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Diffstat (limited to 'src/jogl/classes/com/jogamp/opengl')
96 files changed, 25132 insertions, 0 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/GLUquadricImpl.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/GLUquadricImpl.java new file mode 100644 index 000000000..d7e6a23c1 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/GLUquadricImpl.java @@ -0,0 +1,1212 @@ +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** $Date: 2009-03-04 17:23:34 -0800 (Wed, 04 Mar 2009) $ $Revision: 1856 $ +** $Header$ +*/ + +/* + * Copyright (c) 2002-2004 LWJGL Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of 'LWJGL' nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + */ + +package com.jogamp.opengl.impl.glu; + +import javax.media.opengl.*; +import javax.media.opengl.glu.*; +import com.jogamp.opengl.util.ImmModeSink; +import java.nio.*; + +/** + * GLUquadricImpl.java + * + * + * Created 22-dec-2003 (originally Quadric.java) + * @author Erik Duijs + * @author Kenneth Russell, Sven Gothel + */ + +public class GLUquadricImpl implements GLUquadric { + private boolean useGLSL; + private int drawStyle; + private int orientation; + private boolean textureFlag; + private int normals; + private boolean immModeSinkEnabled; + private boolean immModeSinkImmediate; + public int normalType; + public GL gl; + + public static final boolean USE_NORM = true; + public static final boolean USE_TEXT = false; + + private ImmModeSink immModeSink=null; + + public GLUquadricImpl(GL gl, boolean useGLSL) { + this.gl=gl; + this.useGLSL = useGLSL; + drawStyle = GLU.GLU_FILL; + orientation = GLU.GLU_OUTSIDE; + textureFlag = false; + normals = GLU.GLU_SMOOTH; + normalType = gl.isGLES1()?GL.GL_BYTE:GL.GL_FLOAT; + immModeSinkImmediate=true; + immModeSinkEnabled=!gl.isGL2(); + replaceImmModeSink(); + } + + public void enableImmModeSink(boolean val) { + if(gl.isGL2()) { + immModeSinkEnabled=val; + } else { + immModeSinkEnabled=true; + } + if(null==immModeSink && immModeSinkEnabled) { + replaceImmModeSink(); + } + } + + public boolean isImmModeSinkEnabled() { + return immModeSinkEnabled; + } + + public void setImmMode(boolean val) { + if(immModeSinkEnabled) { + immModeSinkImmediate=val; + } else { + immModeSinkImmediate=true; + } + } + + public boolean getImmMode() { + return immModeSinkImmediate; + } + + public ImmModeSink replaceImmModeSink() { + if(!immModeSinkEnabled) return null; + + ImmModeSink res = immModeSink; + if(useGLSL) { + immModeSink = ImmModeSink.createGLSL (gl, GL.GL_STATIC_DRAW, 32, + 3, GL.GL_FLOAT, // vertex + 0, GL.GL_FLOAT, // color + USE_NORM?3:0, normalType,// normal + USE_TEXT?2:0, GL.GL_FLOAT); // texture + } else { + immModeSink = ImmModeSink.createFixed(gl, GL.GL_STATIC_DRAW, 32, + 3, GL.GL_FLOAT, // vertex + 0, GL.GL_FLOAT, // color + USE_NORM?3:0, normalType,// normal + USE_TEXT?2:0, GL.GL_FLOAT); // texture + } + return res; + } + + public void resetImmModeSink(GL gl) { + if(immModeSinkEnabled) { + immModeSink.reset(gl); + } + } + + /** + * specifies the draw style for quadrics. + * + * The legal values are as follows: + * + * GLU.FILL: Quadrics are rendered with polygon primitives. The polygons + * are drawn in a counterclockwise fashion with respect to + * their normals (as defined with glu.quadricOrientation). + * + * GLU.LINE: Quadrics are rendered as a set of lines. + * + * GLU.SILHOUETTE: Quadrics are rendered as a set of lines, except that edges + * separating coplanar faces will not be drawn. + * + * GLU.POINT: Quadrics are rendered as a set of points. + * + * @param drawStyle The drawStyle to set + */ + public void setDrawStyle(int drawStyle) { + this.drawStyle = drawStyle; + } + + /** + * specifies what kind of normals are desired for quadrics. + * The legal values are as follows: + * + * GLU.NONE: No normals are generated. + * + * GLU.FLAT: One normal is generated for every facet of a quadric. + * + * GLU.SMOOTH: One normal is generated for every vertex of a quadric. This + * is the default. + * + * @param normals The normals to set + */ + public void setNormals(int normals) { + this.normals = normals; + } + + /** + * specifies what kind of orientation is desired for. + * The orientation values are as follows: + * + * GLU.OUTSIDE: Quadrics are drawn with normals pointing outward. + * + * GLU.INSIDE: Normals point inward. The default is GLU.OUTSIDE. + * + * Note that the interpretation of outward and inward depends on the quadric + * being drawn. + * + * @param orientation The orientation to set + */ + public void setOrientation(int orientation) { + this.orientation = orientation; + } + + /** + * specifies if texture coordinates should be generated for + * quadrics rendered with qobj. If the value of textureCoords is true, + * then texture coordinates are generated, and if textureCoords is false, + * they are not.. The default is false. + * + * The manner in which texture coordinates are generated depends upon the + * specific quadric rendered. + * + * @param textureFlag The textureFlag to set + */ + public void setTextureFlag(boolean textureFlag) { + this.textureFlag = textureFlag; + } + + /** + * Returns the drawStyle. + * @return int + */ + public int getDrawStyle() { + return drawStyle; + } + + /** + * Returns the normals. + * @return int + */ + public int getNormals() { + return normals; + } + + /** + * Returns the orientation. + * @return int + */ + public int getOrientation() { + return orientation; + } + + /** + * Returns the textureFlag. + * @return boolean + */ + public boolean getTextureFlag() { + return textureFlag; + } + + + /** + * draws a cylinder oriented along the z axis. The base of the + * cylinder is placed at z = 0, and the top at z=height. Like a sphere, a + * cylinder is subdivided around the z axis into slices, and along the z axis + * into stacks. + * + * Note that if topRadius is set to zero, then this routine will generate a + * cone. + * + * If the orientation is set to GLU.OUTSIDE (with glu.quadricOrientation), then + * any generated normals point away from the z axis. Otherwise, they point + * toward the z axis. + * + * If texturing is turned on (with glu.quadricTexture), then texture + * coordinates are generated so that t ranges linearly from 0.0 at z = 0 to + * 1.0 at z = height, and s ranges from 0.0 at the +y axis, to 0.25 at the +x + * axis, to 0.5 at the -y axis, to 0.75 at the -x axis, and back to 1.0 at the + * +y axis. + * + * @param baseRadius Specifies the radius of the cylinder at z = 0. + * @param topRadius Specifies the radius of the cylinder at z = height. + * @param height Specifies the height of the cylinder. + * @param slices Specifies the number of subdivisions around the z axis. + * @param stacks Specifies the number of subdivisions along the z axis. + */ + public void drawCylinder(GL gl, float baseRadius, float topRadius, float height, int slices, int stacks) { + + float da, r, dr, dz; + float x, y, z, nz, nsign; + int i, j; + + if (orientation == GLU.GLU_INSIDE) { + nsign = -1.0f; + } else { + nsign = 1.0f; + } + + da = 2.0f * PI / slices; + dr = (topRadius - baseRadius) / stacks; + dz = height / stacks; + nz = (baseRadius - topRadius) / height; + // Z component of normal vectors + + if (drawStyle == GLU.GLU_POINT) { + glBegin(gl, GL.GL_POINTS); + for (i = 0; i < slices; i++) { + x = cos((i * da)); + y = sin((i * da)); + normal3f(gl, x * nsign, y * nsign, nz * nsign); + + z = 0.0f; + r = baseRadius; + for (j = 0; j <= stacks; j++) { + glVertex3f(gl, (x * r), (y * r), z); + z += dz; + r += dr; + } + } + glEnd(gl); + } else if (drawStyle == GLU.GLU_LINE || drawStyle == GLU.GLU_SILHOUETTE) { + // Draw rings + if (drawStyle == GLU.GLU_LINE) { + z = 0.0f; + r = baseRadius; + for (j = 0; j <= stacks; j++) { + glBegin(gl, GL.GL_LINE_LOOP); + for (i = 0; i < slices; i++) { + x = cos((i * da)); + y = sin((i * da)); + normal3f(gl, x * nsign, y * nsign, nz * nsign); + glVertex3f(gl, (x * r), (y * r), z); + } + glEnd(gl); + z += dz; + r += dr; + } + } else { + // draw one ring at each end + if (baseRadius != 0.0) { + glBegin(gl, GL.GL_LINE_LOOP); + for (i = 0; i < slices; i++) { + x = cos((i * da)); + y = sin((i * da)); + normal3f(gl, x * nsign, y * nsign, nz * nsign); + glVertex3f(gl, (x * baseRadius), (y * baseRadius), 0.0f); + } + glEnd(gl); + glBegin(gl, GL.GL_LINE_LOOP); + for (i = 0; i < slices; i++) { + x = cos((i * da)); + y = sin((i * da)); + normal3f(gl, x * nsign, y * nsign, nz * nsign); + glVertex3f(gl, (x * topRadius), (y * topRadius), height); + } + glEnd(gl); + } + } + // draw length lines + glBegin(gl, GL.GL_LINES); + for (i = 0; i < slices; i++) { + x = cos((i * da)); + y = sin((i * da)); + normal3f(gl, x * nsign, y * nsign, nz * nsign); + glVertex3f(gl, (x * baseRadius), (y * baseRadius), 0.0f); + glVertex3f(gl, (x * topRadius), (y * topRadius), (height)); + } + glEnd(gl); + } else if (drawStyle == GLU.GLU_FILL) { + float ds = 1.0f / slices; + float dt = 1.0f / stacks; + float t = 0.0f; + z = 0.0f; + r = baseRadius; + for (j = 0; j < stacks; j++) { + float s = 0.0f; + glBegin(gl, immModeSink.GL_QUAD_STRIP); + for (i = 0; i <= slices; i++) { + if (i == slices) { + x = sin(0.0f); + y = cos(0.0f); + } else { + x = sin((i * da)); + y = cos((i * da)); + } + if (nsign == 1.0f) { + normal3f(gl, (x * nsign), (y * nsign), (nz * nsign)); + TXTR_COORD(gl, s, t); + glVertex3f(gl, (x * r), (y * r), z); + normal3f(gl, (x * nsign), (y * nsign), (nz * nsign)); + TXTR_COORD(gl, s, t + dt); + glVertex3f(gl, (x * (r + dr)), (y * (r + dr)), (z + dz)); + } else { + normal3f(gl, x * nsign, y * nsign, nz * nsign); + TXTR_COORD(gl, s, t); + glVertex3f(gl, (x * r), (y * r), z); + normal3f(gl, x * nsign, y * nsign, nz * nsign); + TXTR_COORD(gl, s, t + dt); + glVertex3f(gl, (x * (r + dr)), (y * (r + dr)), (z + dz)); + } + s += ds; + } // for slices + glEnd(gl); + r += dr; + t += dt; + z += dz; + } // for stacks + } + } + + /** + * renders a disk on the z = 0 plane. The disk has a radius of + * outerRadius, and contains a concentric circular hole with a radius of + * innerRadius. If innerRadius is 0, then no hole is generated. The disk is + * subdivided around the z axis into slices (like pizza slices), and also + * about the z axis into rings (as specified by slices and loops, + * respectively). + * + * With respect to orientation, the +z side of the disk is considered to be + * "outside" (see glu.quadricOrientation). This means that if the orientation + * is set to GLU.OUTSIDE, then any normals generated point along the +z axis. + * Otherwise, they point along the -z axis. + * + * If texturing is turned on (with glu.quadricTexture), texture coordinates are + * generated linearly such that where r=outerRadius, the value at (r, 0, 0) is + * (1, 0.5), at (0, r, 0) it is (0.5, 1), at (-r, 0, 0) it is (0, 0.5), and at + * (0, -r, 0) it is (0.5, 0). + */ + public void drawDisk(GL gl, float innerRadius, float outerRadius, int slices, int loops) + { + float da, dr; + + /* Normal vectors */ + if (normals != GLU.GLU_NONE) { + if (orientation == GLU.GLU_OUTSIDE) { + glNormal3f(gl, 0.0f, 0.0f, +1.0f); + } + else { + glNormal3f(gl, 0.0f, 0.0f, -1.0f); + } + } + + da = 2.0f * PI / slices; + dr = (outerRadius - innerRadius) / loops; + + switch (drawStyle) { + case GLU.GLU_FILL: + { + /* texture of a gluDisk is a cut out of the texture unit square + * x, y in [-outerRadius, +outerRadius]; s, t in [0, 1] + * (linear mapping) + */ + float dtc = 2.0f * outerRadius; + float sa, ca; + float r1 = innerRadius; + int l; + for (l = 0; l < loops; l++) { + float r2 = r1 + dr; + if (orientation == GLU.GLU_OUTSIDE) { + int s; + glBegin(gl, immModeSink.GL_QUAD_STRIP); + for (s = 0; s <= slices; s++) { + float a; + if (s == slices) + a = 0.0f; + else + a = s * da; + sa = sin(a); + ca = cos(a); + TXTR_COORD(gl, 0.5f + sa * r2 / dtc, 0.5f + ca * r2 / dtc); + glVertex2f(gl, r2 * sa, r2 * ca); + TXTR_COORD(gl, 0.5f + sa * r1 / dtc, 0.5f + ca * r1 / dtc); + glVertex2f(gl, r1 * sa, r1 * ca); + } + glEnd(gl); + } + else { + int s; + glBegin(gl, immModeSink.GL_QUAD_STRIP); + for (s = slices; s >= 0; s--) { + float a; + if (s == slices) + a = 0.0f; + else + a = s * da; + sa = sin(a); + ca = cos(a); + TXTR_COORD(gl, 0.5f - sa * r2 / dtc, 0.5f + ca * r2 / dtc); + glVertex2f(gl, r2 * sa, r2 * ca); + TXTR_COORD(gl, 0.5f - sa * r1 / dtc, 0.5f + ca * r1 / dtc); + glVertex2f(gl, r1 * sa, r1 * ca); + } + glEnd(gl); + } + r1 = r2; + } + break; + } + case GLU.GLU_LINE: + { + int l, s; + /* draw loops */ + for (l = 0; l <= loops; l++) { + float r = innerRadius + l * dr; + glBegin(gl, GL.GL_LINE_LOOP); + for (s = 0; s < slices; s++) { + float a = s * da; + glVertex2f(gl, r * sin(a), r * cos(a)); + } + glEnd(gl); + } + /* draw spokes */ + for (s = 0; s < slices; s++) { + float a = s * da; + float x = sin(a); + float y = cos(a); + glBegin(gl, GL.GL_LINE_STRIP); + for (l = 0; l <= loops; l++) { + float r = innerRadius + l * dr; + glVertex2f(gl, r * x, r * y); + } + glEnd(gl); + } + break; + } + case GLU.GLU_POINT: + { + int s; + glBegin(gl, GL.GL_POINTS); + for (s = 0; s < slices; s++) { + float a = s * da; + float x = sin(a); + float y = cos(a); + int l; + for (l = 0; l <= loops; l++) { + float r = innerRadius * l * dr; + glVertex2f(gl, r * x, r * y); + } + } + glEnd(gl); + break; + } + case GLU.GLU_SILHOUETTE: + { + if (innerRadius != 0.0) { + float a; + glBegin(gl, GL.GL_LINE_LOOP); + for (a = 0.0f; a < 2.0 * PI; a += da) { + float x = innerRadius * sin(a); + float y = innerRadius * cos(a); + glVertex2f(gl, x, y); + } + glEnd(gl); + } + { + float a; + glBegin(gl, GL.GL_LINE_LOOP); + for (a = 0; a < 2.0f * PI; a += da) { + float x = outerRadius * sin(a); + float y = outerRadius * cos(a); + glVertex2f(gl, x, y); + } + glEnd(gl); + } + break; + } + default: + return; + } + } + + /** + * renders a partial disk on the z=0 plane. A partial disk is similar to a + * full disk, except that only the subset of the disk from startAngle + * through startAngle + sweepAngle is included (where 0 degrees is along + * the +y axis, 90 degrees along the +x axis, 180 along the -y axis, and + * 270 along the -x axis). + * + * The partial disk has a radius of outerRadius, and contains a concentric + * circular hole with a radius of innerRadius. If innerRadius is zero, then + * no hole is generated. The partial disk is subdivided around the z axis + * into slices (like pizza slices), and also about the z axis into rings + * (as specified by slices and loops, respectively). + * + * With respect to orientation, the +z side of the partial disk is + * considered to be outside (see gluQuadricOrientation). This means that if + * the orientation is set to GLU.GLU_OUTSIDE, then any normals generated point + * along the +z axis. Otherwise, they point along the -z axis. + * + * If texturing is turned on (with gluQuadricTexture), texture coordinates + * are generated linearly such that where r=outerRadius, the value at (r, 0, 0) + * is (1, 0.5), at (0, r, 0) it is (0.5, 1), at (-r, 0, 0) it is (0, 0.5), + * and at (0, -r, 0) it is (0.5, 0). + */ + public void drawPartialDisk(GL gl, + float innerRadius, + float outerRadius, + int slices, + int loops, + float startAngle, + float sweepAngle) { + int i, j, max; + float[] sinCache = new float[CACHE_SIZE]; + float[] cosCache = new float[CACHE_SIZE]; + float angle; + float x, y; + float sintemp, costemp; + float deltaRadius; + float radiusLow, radiusHigh; + float texLow = 0, texHigh = 0; + float angleOffset; + int slices2; + int finish; + + if (slices >= CACHE_SIZE) + slices = CACHE_SIZE - 1; + if (slices < 2 + || loops < 1 + || outerRadius <= 0.0f + || innerRadius < 0.0f + || innerRadius > outerRadius) { + //gluQuadricError(qobj, GLU.GLU_INVALID_VALUE); + System.err.println("PartialDisk: GLU_INVALID_VALUE"); + return; + } + + if (sweepAngle < -360.0f) + sweepAngle = 360.0f; + if (sweepAngle > 360.0f) + sweepAngle = 360.0f; + if (sweepAngle < 0) { + startAngle += sweepAngle; + sweepAngle = -sweepAngle; + } + + if (sweepAngle == 360.0f) { + slices2 = slices; + } else { + slices2 = slices + 1; + } + + /* Compute length (needed for normal calculations) */ + deltaRadius = outerRadius - innerRadius; + + /* Cache is the vertex locations cache */ + + angleOffset = startAngle / 180.0f * PI; + for (i = 0; i <= slices; i++) { + angle = angleOffset + ((PI * sweepAngle) / 180.0f) * i / slices; + sinCache[i] = sin(angle); + cosCache[i] = cos(angle); + } + + if (sweepAngle == 360.0f) { + sinCache[slices] = sinCache[0]; + cosCache[slices] = cosCache[0]; + } + + switch (normals) { + case GLU.GLU_FLAT : + case GLU.GLU_SMOOTH : + if (orientation == GLU.GLU_OUTSIDE) { + glNormal3f(gl, 0.0f, 0.0f, 1.0f); + } else { + glNormal3f(gl, 0.0f, 0.0f, -1.0f); + } + break; + default : + case GLU.GLU_NONE : + break; + } + + switch (drawStyle) { + case GLU.GLU_FILL : + if (innerRadius == .0f) { + finish = loops - 1; + /* Triangle strip for inner polygons */ + glBegin(gl, GL.GL_TRIANGLE_FAN); + if (textureFlag) { + glTexCoord2f(gl, 0.5f, 0.5f); + } + glVertex3f(gl, 0.0f, 0.0f, 0.0f); + radiusLow = outerRadius - deltaRadius * ((float) (loops - 1) / loops); + if (textureFlag) { + texLow = radiusLow / outerRadius / 2; + } + + if (orientation == GLU.GLU_OUTSIDE) { + for (i = slices; i >= 0; i--) { + if (textureFlag) { + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); + } + } else { + for (i = 0; i <= slices; i++) { + if (textureFlag) { + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); + } + } + glEnd(gl); + } else { + finish = loops; + } + for (j = 0; j < finish; j++) { + radiusLow = outerRadius - deltaRadius * ((float) j / loops); + radiusHigh = outerRadius - deltaRadius * ((float) (j + 1) / loops); + if (textureFlag) { + texLow = radiusLow / outerRadius / 2; + texHigh = radiusHigh / outerRadius / 2; + } + + glBegin(gl, immModeSink.GL_QUAD_STRIP); + for (i = 0; i <= slices; i++) { + if (orientation == GLU.GLU_OUTSIDE) { + if (textureFlag) { + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); + + if (textureFlag) { + glTexCoord2f(gl, texHigh * sinCache[i] + 0.5f, + texHigh * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusHigh * sinCache[i], + radiusHigh * cosCache[i], + 0.0f); + } else { + if (textureFlag) { + glTexCoord2f(gl, texHigh * sinCache[i] + 0.5f, + texHigh * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusHigh * sinCache[i], + radiusHigh * cosCache[i], + 0.0f); + + if (textureFlag) { + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); + } + } + glEnd(gl); + } + break; + case GLU.GLU_POINT : + glBegin(gl, GL.GL_POINTS); + for (i = 0; i < slices2; i++) { + sintemp = sinCache[i]; + costemp = cosCache[i]; + for (j = 0; j <= loops; j++) { + radiusLow = outerRadius - deltaRadius * ((float) j / loops); + + if (textureFlag) { + texLow = radiusLow / outerRadius / 2; + + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sintemp, radiusLow * costemp, 0.0f); + } + } + glEnd(gl); + break; + case GLU.GLU_LINE : + if (innerRadius == outerRadius) { + glBegin(gl, GL.GL_LINE_STRIP); + + for (i = 0; i <= slices; i++) { + if (textureFlag) { + glTexCoord2f(gl, sinCache[i] / 2 + 0.5f, cosCache[i] / 2 + 0.5f); + } + glVertex3f(gl, innerRadius * sinCache[i], innerRadius * cosCache[i], 0.0f); + } + glEnd(gl); + break; + } + for (j = 0; j <= loops; j++) { + radiusLow = outerRadius - deltaRadius * ((float) j / loops); + if (textureFlag) { + texLow = radiusLow / outerRadius / 2; + } + + glBegin(gl, GL.GL_LINE_STRIP); + for (i = 0; i <= slices; i++) { + if (textureFlag) { + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); + } + glEnd(gl); + } + for (i = 0; i < slices2; i++) { + sintemp = sinCache[i]; + costemp = cosCache[i]; + glBegin(gl, GL.GL_LINE_STRIP); + for (j = 0; j <= loops; j++) { + radiusLow = outerRadius - deltaRadius * ((float) j / loops); + if (textureFlag) { + texLow = radiusLow / outerRadius / 2; + } + + if (textureFlag) { + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sintemp, radiusLow * costemp, 0.0f); + } + glEnd(gl); + } + break; + case GLU.GLU_SILHOUETTE : + if (sweepAngle < 360.0f) { + for (i = 0; i <= slices; i += slices) { + sintemp = sinCache[i]; + costemp = cosCache[i]; + glBegin(gl, GL.GL_LINE_STRIP); + for (j = 0; j <= loops; j++) { + radiusLow = outerRadius - deltaRadius * ((float) j / loops); + + if (textureFlag) { + texLow = radiusLow / outerRadius / 2; + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sintemp, radiusLow * costemp, 0.0f); + } + glEnd(gl); + } + } + for (j = 0; j <= loops; j += loops) { + radiusLow = outerRadius - deltaRadius * ((float) j / loops); + if (textureFlag) { + texLow = radiusLow / outerRadius / 2; + } + + glBegin(gl, GL.GL_LINE_STRIP); + for (i = 0; i <= slices; i++) { + if (textureFlag) { + glTexCoord2f(gl, texLow * sinCache[i] + 0.5f, + texLow * cosCache[i] + 0.5f); + } + glVertex3f(gl, radiusLow * sinCache[i], radiusLow * cosCache[i], 0.0f); + } + glEnd(gl); + if (innerRadius == outerRadius) + break; + } + break; + default : + break; + } + } + + /** + * draws a sphere of the given radius centered around the origin. + * The sphere is subdivided around the z axis into slices and along the z axis + * into stacks (similar to lines of longitude and latitude). + * + * If the orientation is set to GLU.OUTSIDE (with glu.quadricOrientation), then + * any normals generated point away from the center of the sphere. Otherwise, + * they point toward the center of the sphere. + + * If texturing is turned on (with glu.quadricTexture), then texture + * coordinates are generated so that t ranges from 0.0 at z=-radius to 1.0 at + * z=radius (t increases linearly along longitudinal lines), and s ranges from + * 0.0 at the +y axis, to 0.25 at the +x axis, to 0.5 at the -y axis, to 0.75 + * at the -x axis, and back to 1.0 at the +y axis. + */ + public void drawSphere(GL gl, float radius, int slices, int stacks) { + // TODO + + float rho, drho, theta, dtheta; + float x, y, z; + float s, t, ds, dt; + int i, j, imin, imax; + boolean normals; + float nsign; + + normals = (this.normals != GLU.GLU_NONE); + + if (orientation == GLU.GLU_INSIDE) { + nsign = -1.0f; + } else { + nsign = 1.0f; + } + + drho = PI / stacks; + dtheta = 2.0f * PI / slices; + + if (drawStyle == GLU.GLU_FILL) { + if (!textureFlag) { + // draw +Z end as a triangle fan + glBegin(gl, GL.GL_TRIANGLE_FAN); + glNormal3f(gl, 0.0f, 0.0f, 1.0f); + glVertex3f(gl, 0.0f, 0.0f, nsign * radius); + for (j = 0; j <= slices; j++) { + theta = (j == slices) ? 0.0f : j * dtheta; + x = -sin(theta) * sin(drho); + y = cos(theta) * sin(drho); + z = nsign * cos(drho); + if (normals) { + glNormal3f(gl, x * nsign, y * nsign, z * nsign); + } + glVertex3f(gl, x * radius, y * radius, z * radius); + } + glEnd(gl); + } + + ds = 1.0f / slices; + dt = 1.0f / stacks; + t = 1.0f; // because loop now runs from 0 + if (textureFlag) { + imin = 0; + imax = stacks; + } else { + imin = 1; + imax = stacks - 1; + } + + // draw intermediate stacks as quad strips + for (i = imin; i < imax; i++) { + rho = i * drho; + glBegin(gl, immModeSink.GL_QUAD_STRIP); + s = 0.0f; + for (j = 0; j <= slices; j++) { + theta = (j == slices) ? 0.0f : j * dtheta; + x = -sin(theta) * sin(rho); + y = cos(theta) * sin(rho); + z = nsign * cos(rho); + if (normals) { + glNormal3f(gl, x * nsign, y * nsign, z * nsign); + } + TXTR_COORD(gl, s, t); + glVertex3f(gl, x * radius, y * radius, z * radius); + x = -sin(theta) * sin(rho + drho); + y = cos(theta) * sin(rho + drho); + z = nsign * cos(rho + drho); + if (normals) { + glNormal3f(gl, x * nsign, y * nsign, z * nsign); + } + TXTR_COORD(gl, s, t - dt); + s += ds; + glVertex3f(gl, x * radius, y * radius, z * radius); + } + glEnd(gl); + t -= dt; + } + + if (!textureFlag) { + // draw -Z end as a triangle fan + glBegin(gl, GL.GL_TRIANGLE_FAN); + glNormal3f(gl, 0.0f, 0.0f, -1.0f); + glVertex3f(gl, 0.0f, 0.0f, -radius * nsign); + rho = PI - drho; + s = 1.0f; + for (j = slices; j >= 0; j--) { + theta = (j == slices) ? 0.0f : j * dtheta; + x = -sin(theta) * sin(rho); + y = cos(theta) * sin(rho); + z = nsign * cos(rho); + if (normals) + glNormal3f(gl, x * nsign, y * nsign, z * nsign); + s -= ds; + glVertex3f(gl, x * radius, y * radius, z * radius); + } + glEnd(gl); + } + } else if ( + drawStyle == GLU.GLU_LINE + || drawStyle == GLU.GLU_SILHOUETTE) { + // draw stack lines + for (i = 1; + i < stacks; + i++) { // stack line at i==stacks-1 was missing here + rho = i * drho; + glBegin(gl, GL.GL_LINE_LOOP); + for (j = 0; j < slices; j++) { + theta = j * dtheta; + x = cos(theta) * sin(rho); + y = sin(theta) * sin(rho); + z = cos(rho); + if (normals) + glNormal3f(gl, x * nsign, y * nsign, z * nsign); + glVertex3f(gl, x * radius, y * radius, z * radius); + } + glEnd(gl); + } + // draw slice lines + for (j = 0; j < slices; j++) { + theta = j * dtheta; + glBegin(gl, GL.GL_LINE_STRIP); + for (i = 0; i <= stacks; i++) { + rho = i * drho; + x = cos(theta) * sin(rho); + y = sin(theta) * sin(rho); + z = cos(rho); + if (normals) + glNormal3f(gl, x * nsign, y * nsign, z * nsign); + glVertex3f(gl, x * radius, y * radius, z * radius); + } + glEnd(gl); + } + } else if (drawStyle == GLU.GLU_POINT) { + // top and bottom-most points + glBegin(gl, GL.GL_POINTS); + if (normals) + glNormal3f(gl, 0.0f, 0.0f, nsign); + glVertex3f(gl, 0.0f, 0.0f, radius); + if (normals) + glNormal3f(gl, 0.0f, 0.0f, -nsign); + glVertex3f(gl, 0.0f, 0.0f, -radius); + + // loop over stacks + for (i = 1; i < stacks - 1; i++) { + rho = i * drho; + for (j = 0; j < slices; j++) { + theta = j * dtheta; + x = cos(theta) * sin(rho); + y = sin(theta) * sin(rho); + z = cos(rho); + if (normals) + glNormal3f(gl, x * nsign, y * nsign, z * nsign); + glVertex3f(gl, x * radius, y * radius, z * radius); + } + } + glEnd(gl); + } + } + + + //---------------------------------------------------------------------- + // Internals only below this point + // + + private static final float PI = (float)Math.PI; + private static final int CACHE_SIZE = 240; + + private final void glBegin(GL gl, int mode) { + if(immModeSinkEnabled) { + immModeSink.glBegin(mode); + } else { + gl.getGL2().glBegin(mode); + } + } + + private final void glEnd(GL gl) { + if(immModeSinkEnabled) { + immModeSink.glEnd(gl, immModeSinkImmediate); + } else { + gl.getGL2().glEnd(); + } + } + + private final void glVertex2f(GL gl, float x, float y) { + if(immModeSinkEnabled) { + immModeSink.glVertex2f(x, y); + } else { + gl.getGL2().glVertex2f(x, y); + } + } + + private final void glVertex3f(GL gl, float x, float y, float z) { + if(immModeSinkEnabled) { + immModeSink.glVertex3f(x, y, z); + } else { + gl.getGL2().glVertex3f(x, y, z); + } + } + + private final void glNormal3f_s(GL gl, float x, float y, float z) { + short a=(short)(x*0xFFFF); + short b=(short)(y*0xFFFF); + short c=(short)(z*0xFFFF); + if(immModeSinkEnabled) { + immModeSink.glNormal3s(a, b, c); + } else { + gl.getGL2().glNormal3s(a, b, c); + } + } + + private final void glNormal3f_b(GL gl, float x, float y, float z) { + byte a=(byte)(x*0xFF); + byte b=(byte)(y*0xFF); + byte c=(byte)(z*0xFF); + if(immModeSinkEnabled) { + immModeSink.glNormal3b(a, b, c); + } else { + gl.getGL2().glNormal3b(a, b, c); + } + } + + private final void glNormal3f(GL gl, float x, float y, float z) { + switch(normalType) { + case GL.GL_FLOAT: + if(immModeSinkEnabled) { + immModeSink.glNormal3f(x,y,z); + } else { + gl.getGL2().glNormal3f(x,y,z); + } + break; + case GL.GL_SHORT: + glNormal3f_s(gl, x, y, z); + break; + case GL.GL_BYTE: + glNormal3f_b(gl, x, y, z); + break; + } + } + + private final void glTexCoord2f(GL gl, float x, float y) { + if(immModeSinkEnabled) { + immModeSink.glTexCoord2f(x, y); + } else { + gl.getGL2().glTexCoord2f(x, y); + } + } + + /** + * Call glNormal3f after scaling normal to unit length. + * + * @param x + * @param y + * @param z + */ + private void normal3f(GL gl, float x, float y, float z) { + float mag; + + mag = (float)Math.sqrt(x * x + y * y + z * z); + if (mag > 0.00001F) { + x /= mag; + y /= mag; + z /= mag; + } + glNormal3f(gl, x, y, z); + } + + private final void TXTR_COORD(GL gl, float x, float y) { + if (textureFlag) glTexCoord2f(gl, x,y); + } + + private float sin(float r) { + return (float)Math.sin(r); + } + + private float cos(float r) { + return (float)Math.cos(r); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/Glue.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/Glue.java new file mode 100755 index 000000000..7c360c574 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/Glue.java @@ -0,0 +1,114 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu; + +/** + * + * @author Administrator + */ +public class Glue { + private static String[] __gluNurbsErrors = { + " ", + "spline order un-supported", + "too few knots", + "valid knot range is empty", + "decreasing knot sequence knot", + "knot multiplicity greater than order of spline", + "gluEndCurve() must follow gluBeginCurve()", + "gluBeginCurve() must precede gluEndCurve()", + "missing or extra geometric data", + "can't draw piecewise linear trimming curves", + "missing or extra domain data", + "missing or extra domain data", + "gluEndTrim() must precede gluEndSurface()", + "gluBeginSurface() must precede gluEndSurface()", + "curve of improper type passed as trim curve", + "gluBeginSurface() must precede gluBeginTrim()", + "gluEndTrim() must follow gluBeginTrim()", + "gluBeginTrim() must follow gluEndTrim()", + "invalid or missing trim curve", + "gluBeginTrim() must precede gluPwlCurve()", + "piecewise linear trimming curve referenced twice", + "piecewise linear trimming curve and nurbs curve mixed", + "improper usage of trim data type", + "nurbs curve referenced twice", + "nurbs curve and piecewise linear trimming curve mixed", + "nurbs surface referenced twice", + "invalid property", + "gluEndSurface() must follow gluBeginSurface()", + "intersecting or misoriented trim curve", + "intersecting trim curves", + "UNUSED", + "inconnected trim curves", + "unknown knot error", + "negative vertex count encountered", + "negative byte-stride encountered", + "unknown type descriptor", + "null control point reference", + "duplicate point on piecewise linear trimming curve" + } ; + + /** Creates a new instance of Glue */ + public Glue() { + } + + public static String __gluNURBSErrorString( int errno ) { + return( __gluNurbsErrors[ errno ] ); + } + + private static String[] __gluTessErrors = { + " ", + "gluTessBeginPolygon() must precede a gluTessEndPolygon", + "gluTessBeginContour() must precede a gluTessEndContour()", + "gluTessEndPolygon() must follow a gluTessBeginPolygon()", + "gluTessEndContour() must follow a gluTessBeginContour()", + "a coordinate is too large", + "need combine callback" + }; + + public static String __gluTessErrorString( int errno ) { + return( __gluTessErrors[ errno ] ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/error/Error.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/error/Error.java new file mode 100644 index 000000000..7c7e6b0d8 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/error/Error.java @@ -0,0 +1,100 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.error; + +import javax.media.opengl.GL; +import javax.media.opengl.glu.GLU; +import com.jogamp.opengl.impl.glu.Glue; + +/** + * + * @author Administrator + */ +public class Error { + + private static String[] glErrorStrings = { + "invalid enumerant", + "invalid value", + "invalid operation", + "stack overflow", + "stack underflow", + "out of memory", + "invalid framebuffer operation" + }; + + private static String[] gluErrorStrings = { + "invalid enumerant", + "invalid value", + "out of memory", + "", + "invalid operation" + }; + + /** Creates a new instance of Error */ + public Error() { + } + + public static String gluErrorString( int errorCode ) { + if( errorCode == 0 ) { + return( "no error" ); + } + if( (errorCode >= GL.GL_INVALID_ENUM) && (errorCode <= GL.GL_INVALID_FRAMEBUFFER_OPERATION) ) { + return( glErrorStrings[ errorCode - GL.GL_INVALID_ENUM ] ); + } + if( errorCode == 0x8031 /* GL.GL_TABLE_TOO_LARGE */ ) { + return( "table too large" ); + } + if( (errorCode >= GLU.GLU_INVALID_ENUM) && (errorCode <= GLU.GLU_INVALID_OPERATION) ) { + return( gluErrorStrings[ errorCode - GLU.GLU_INVALID_ENUM ] ); + } +// if( (errorCode >= GLU.GLU_NURBS_ERROR1) && (errorCode <= GLU.GLU_NURBS_ERROR37) ) { +// return( gluErrorStrings[ errorCode - (GLU.GLU_NURBS_ERROR1 - 1) ] ); +// } + if( (errorCode >= GLU.GLU_TESS_ERROR1) && (errorCode <= GLU.GLU_TESS_ERROR8) ) { + return( Glue.__gluTessErrorString(errorCode - (GLU.GLU_TESS_ERROR1 - 1)) ); + } + return( "error ("+errorCode+")" ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2Backend.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2Backend.java new file mode 100755 index 000000000..42ddeea50 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2Backend.java @@ -0,0 +1,49 @@ +package com.jogamp.opengl.impl.glu.gl2.nurbs; +import com.jogamp.opengl.impl.glu.nurbs.*; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class responsible for rendering + * @author Tomas Hrasky + * + */ +public class GL2Backend extends Backend { + public GL2Backend() { + super(); + curveEvaluator = new GL2CurveEvaluator(); + surfaceEvaluator = new GL2SurfaceEvaluator(); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2CurveEvaluator.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2CurveEvaluator.java new file mode 100755 index 000000000..adb8c51d8 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2CurveEvaluator.java @@ -0,0 +1,205 @@ +package com.jogamp.opengl.impl.glu.gl2.nurbs; +import com.jogamp.opengl.impl.glu.nurbs.*; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import javax.media.opengl.glu.GLU; +import javax.media.opengl.glu.gl2.GLUgl2; + +/** + * Class rendering curves with OpenGL + * @author Tomáš Hráský + * + */ +class GL2CurveEvaluator implements CurveEvaluator { + + /** + * Output triangles (for callback) or render curve + */ + private boolean output_triangles; + + /** + * OpenGL object + */ + private GL2 gl; + + /** + * Not used + */ + private int vertex_flag; + + /** + * Not used + */ + private int normal_flag; + + /** + * Not used + */ + private int color_flag; + + /** + * Not used + */ + private int texcoord_flag; + + /** + * Number of bezier arc - used for color distinguishing of arcs forming NURBS curve + */ + private int poradi; + + /** + * Makes new Evaluator + */ + public GL2CurveEvaluator() { + gl = GLUgl2.getCurrentGL2(); + } + + /** + * Pushes eval bit + */ + public void bgnmap1f() { + // DONE + if (output_triangles) { + vertex_flag = 0; + normal_flag = 0; + color_flag = 0; + texcoord_flag = 0; + } else { + gl.glPushAttrib(GL2.GL_EVAL_BIT); + } + + } + + /** + * Pops all OpenGL attributes + */ + public void endmap1f() { + // DONE + if (output_triangles) { + + } else { + gl.glPopAttrib(); + } + + } + + /** + * Initializes opengl evaluator + * @param type curve type + * @param ulo lowest u + * @param uhi highest u + * @param stride control point coords + * @param order curve order + * @param ps control points + */ + public void map1f(int type, float ulo, float uhi, int stride, int order, + CArrayOfFloats ps) { + if (output_triangles) { + // TODO code for callback (output_triangles probably indicates callback) + // System.out.println("TODO curveevaluator.map1f-output_triangles"); + } else { + gl.glMap1f(type, ulo, uhi, stride, order, ps.getArray(), ps + .getPointer()); + + // DEBUG - drawing bézier control points + // gl.glColor3d(.5,.5,.5); + // gl.glPointSize(5); + // gl.glBegin(GL2.GL_POINTS); + // float[] ctrlpoints=ps.getArray(); + // for(int i=ps.getPointer();i<ps.getPointer()+order;i++){ + // gl.glVertex3d(ctrlpoints[i * 4], ctrlpoints[i * 4 + 1],0); + // } + // gl.glEnd(); + } + + } + + /** + * Calls opengl enable + * @param type what to enable + */ + public void enable(int type) { + // DONE + gl.glEnable(type); + } + + /** + * Calls glMapGrid1f + * @param nu steps + * @param u1 low u + * @param u2 high u + */ + public void mapgrid1f(int nu, float u1, float u2) { + if (output_triangles) { + // System.out.println("TODO curveevaluator.mapgrid1f"); + } else + gl.glMapGrid1f(nu, u1, u2); + // // System.out.println("upravit NU"); + // gl.glMapGrid1f(50,u1,u2); + } + + /** + * Evaluates a curve using glEvalMesh1f + * @param style Backend.N_MESHFILL/N_MESHLINE/N_MESHPOINT + * @param from lowest param + * @param to highest param + */ + public void mapmesh1f(int style, int from, int to) { + /* //DEBUG drawing control points + this.poradi++; + if (poradi % 2 == 0) + gl.glColor3f(1, 0, 0); + else + gl.glColor3f(0, 1, 0); + */ + if (output_triangles) { + // TODO code for callback + // System.out.println("TODO openglcurveevaluator.mapmesh1f output_triangles"); + } else { + switch (style) { + case Backend.N_MESHFILL: + case Backend.N_MESHLINE: + gl.glEvalMesh1(GL2.GL_LINE, from, to); + break; + case Backend.N_MESHPOINT: + gl.glEvalMesh1(GL2.GL_POINT, from, to); + break; + } + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2SurfaceEvaluator.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2SurfaceEvaluator.java new file mode 100755 index 000000000..393601ff7 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GL2SurfaceEvaluator.java @@ -0,0 +1,217 @@ +package com.jogamp.opengl.impl.glu.gl2.nurbs; +import com.jogamp.opengl.impl.glu.nurbs.*; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import javax.media.opengl.glu.GLU; +import javax.media.opengl.glu.gl2.GLUgl2; + +/** + * Class rendering surfaces with OpenGL + * @author Tomas Hrasky + * + */ +class GL2SurfaceEvaluator implements SurfaceEvaluator { + + /** + * JOGL OpenGL object + */ + private GL2 gl; + + /** + * Output triangles (callback) + */ + private boolean output_triangles; + + /** + * Number of patch - used for distinguishing bezier plates forming NURBS surface with different colors + */ + private int poradi; + + /** + * Creates new evaluator + */ + public GL2SurfaceEvaluator() { + gl = GLUgl2.getCurrentGL2(); + } + + /** + * Pushes eval bit + */ + public void bgnmap2f() { + + if (output_triangles) { + // TODO outp triangles surfaceevaluator bgnmap2f + // System.out.println("TODO surfaceevaluator.bgnmap2f output triangles"); + } else { + gl.glPushAttrib(GL2.GL_EVAL_BIT); + // System.out.println("TODO surfaceevaluator.bgnmap2f glgetintegerv"); + } + + } + + /** + * Sets glPolygonMode + * @param style polygon mode (N_MESHFILL/N_MESHLINE/N_MESHPOINT) + */ + public void polymode(int style) { + if (!output_triangles) { + switch (style) { + default: + case NurbsConsts.N_MESHFILL: + gl.glPolygonMode(GL2.GL_FRONT_AND_BACK, GL2.GL_FILL); + break; + case NurbsConsts.N_MESHLINE: + gl.glPolygonMode(GL2.GL_FRONT_AND_BACK, GL2.GL_LINE); + break; + case NurbsConsts.N_MESHPOINT: + gl.glPolygonMode(GL2.GL_FRONT_AND_BACK, GL2.GL_POINT); + break; + } + } + + } + + /** + * Pops all attributes + */ + public void endmap2f() { + // TODO Auto-generated method stub + if (output_triangles) { + // System.out.println("TODO surfaceevaluator.endmap2f output triangles"); + } else { + gl.glPopAttrib(); + // TODO use LOD + } + } + + /** + * Empty method + * @param ulo + * @param uhi + * @param vlo + * @param vhi + */ + public void domain2f(float ulo, float uhi, float vlo, float vhi) { + // DONE + } + + /** + * Defines 2D mesh + * @param nu number of steps in u direction + * @param u0 lowest u + * @param u1 highest u + * @param nv number of steps in v direction + * @param v0 lowest v + * @param v1 highest v + */ + public void mapgrid2f(int nu, float u0, float u1, int nv, float v0, float v1) { + + if (output_triangles) { + // System.out.println("TODO openglsurfaceavaluator.mapgrid2f output_triangles"); + } else { + gl.glMapGrid2d(nu, u0, u1, nv, v0, v1); + } + + } + + /** + * Evaluates surface + * @param style surface style + * @param umin minimum U + * @param umax maximum U + * @param vmin minimum V + * @param vmax maximum V + */ + public void mapmesh2f(int style, int umin, int umax, int vmin, int vmax) { + if (output_triangles) { + // System.out.println("TODO openglsurfaceavaluator.mapmesh2f output_triangles"); + } else { + /* //DEBUG - draw control points + this.poradi++; + if (poradi % 2 == 0) + gl.glColor3f(1, 0, 0); + else if (poradi % 2 == 1) + gl.glColor3f(0, 1, 0); + */ + switch (style) { + case NurbsConsts.N_MESHFILL: + gl.glEvalMesh2(GL2.GL_FILL, umin, umax, vmin, vmax); + break; + case NurbsConsts.N_MESHLINE: + gl.glEvalMesh2(GL2.GL_LINE, umin, umax, vmin, vmax); + break; + case NurbsConsts.N_MESHPOINT: + gl.glEvalMesh2(GL2.GL_POINT, umin, umax, vmin, vmax); + break; + } + } + } + + /** + * Initializes evaluator + * @param type surface type + * @param ulo lowest u + * @param uhi highest u + * @param ustride number of objects between control points in u direction + * @param uorder surface order in u direction + * @param vlo lowest v + * @param vhi highest v + * @param vstride number of control points' coords + * @param vorder surface order in v direction + * @param pts control points + */ + public void map2f(int type, float ulo, float uhi, int ustride, int uorder, + float vlo, float vhi, int vstride, int vorder, CArrayOfFloats pts) { + // TODO Auto-generated method stub + if (output_triangles) { + // System.out.println("TODO openglsurfaceevaluator.map2f output_triangles"); + } else { + gl.glMap2f(type, ulo, uhi, ustride, uorder, vlo, vhi, vstride, + vorder, pts.getArray(), pts.getPointer()); + } + } + + /** + * Calls opengl enable + * @param type what to enable + */ + public void enable(int type) { + //DONE + gl.glEnable(type); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GLUgl2nurbsImpl.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GLUgl2nurbsImpl.java new file mode 100755 index 000000000..13b68138c --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/gl2/nurbs/GLUgl2nurbsImpl.java @@ -0,0 +1,862 @@ +package com.jogamp.opengl.impl.glu.gl2.nurbs; +import com.jogamp.opengl.impl.glu.nurbs.*; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +import java.lang.reflect.Method; + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import javax.media.opengl.glu.GLUnurbs; + +/** + * Base object for working with NURBS curves and surfaces + * + * @author Tomas Hrasky + * + */ +public class GLUgl2nurbsImpl implements GLUnurbs { + + /** + * Curve type - no type + */ + public static final int CT_NONE = 0; + + /** + * Curve type - NURBS curve + */ + public static final int CT_NURBSCURVE = 1; + + /** + * Curve type - picewise linear curve + */ + public static final int CT_NPWLCURVE = 2; + + /** + * Matrixes autoloading + */ + private boolean autoloadmode; + + /** + * Using callback + */ + private int callBackFlag; + + /** + * Object for error call backs + */ + private Object errorCallback; + + /** + * List of map definitions + */ + Maplist maplist; + + /** + * Indicates validity of data + */ + private int isDataValid; + + /** + * Are we in the middle of curve processing + */ + private int inCurve; + + /** + * Current curve + */ + private O_curve currentCurve; + + /** + * Are we in trim + */ + private boolean inTrim; + + /** + * Are we playbacking curve/surface rendering + */ + private boolean playBack; + + /** + * Next curve in linked list + */ + private O_curve nextCurve; + + /** + * Is curve modified + */ + private int isCurveModified; + + /** + * Object holding rendering settings + */ + private Renderhints renderhints; + + /** + * Display list + */ + private DisplayList dl; + + /** + * Object for subdividing curves and surfaces + */ + private Subdivider subdivider; + + /** + * Object responsible for rendering + */ + private Backend backend; + + /** + * Next picewise linear curve in linked list + */ + private O_pwlcurve nextPwlcurve; + + /** + * Next trimming NURBS curve in linked list + */ + private O_nurbscurve nextNurbscurve; + + /** + * Are we in the middle of surface processing + */ + private int inSurface; + + /** + * Are there any changes in trimming + */ + private boolean isTrimModified; + + /** + * Are there any changes in surface data + */ + private boolean isDataSurfaceModified; + + /** + * Nurber of trmims of processed surface + */ + private int numTrims; + + /** + * Current processed surface + */ + private O_surface currentSurface; + + /** + * Next trimming curve + */ + private O_trim nextTrim; + + /** + * Nextr surface in linked list + */ + private O_nurbssurface nextNurbssurface; + + /** + * Are there any changes in surface + */ + private boolean isSurfaceModified; + + /** + * Initializes default GLUgl2nurbs object + */ + public GLUgl2nurbsImpl() { + // DONE + maplist = new Maplist(backend); + renderhints = new Renderhints(); + subdivider = new Subdivider(); + // original code + + redefineMaps(); + + defineMap(GL2.GL_MAP2_NORMAL, 0, 3); + defineMap(GL2.GL_MAP1_NORMAL, 0, 3); + defineMap(GL2.GL_MAP2_TEXTURE_COORD_1, 0, 1); + defineMap(GL2.GL_MAP1_TEXTURE_COORD_1, 0, 1); + defineMap(GL2.GL_MAP2_TEXTURE_COORD_2, 0, 2); + defineMap(GL2.GL_MAP1_TEXTURE_COORD_2, 0, 2); + defineMap(GL2.GL_MAP2_TEXTURE_COORD_3, 0, 3); + defineMap(GL2.GL_MAP1_TEXTURE_COORD_3, 0, 3); + defineMap(GL2.GL_MAP2_TEXTURE_COORD_4, 1, 4); + defineMap(GL2.GL_MAP1_TEXTURE_COORD_4, 1, 4); + defineMap(GL2.GL_MAP2_VERTEX_4, 1, 4); + defineMap(GL2.GL_MAP1_VERTEX_4, 1, 4); + defineMap(GL2.GL_MAP2_VERTEX_3, 0, 3); + defineMap(GL2.GL_MAP1_VERTEX_3, 0, 3); + defineMap(GL2.GL_MAP2_COLOR_4, 0, 4); + defineMap(GL2.GL_MAP1_COLOR_4, 0, 4); + defineMap(GL2.GL_MAP2_INDEX, 0, 1); + defineMap(GL2.GL_MAP1_INDEX, 0, 1); + + setnurbsproperty(GL2.GL_MAP1_VERTEX_3, NurbsConsts.N_SAMPLINGMETHOD, + (float) NurbsConsts.N_PATHLENGTH); + setnurbsproperty(GL2.GL_MAP1_VERTEX_4, NurbsConsts.N_SAMPLINGMETHOD, + (float) NurbsConsts.N_PATHLENGTH); + setnurbsproperty(GL2.GL_MAP2_VERTEX_3, NurbsConsts.N_SAMPLINGMETHOD, + (float) NurbsConsts.N_PATHLENGTH); + setnurbsproperty(GL2.GL_MAP2_VERTEX_4, NurbsConsts.N_SAMPLINGMETHOD, + (float) NurbsConsts.N_PATHLENGTH); + + setnurbsproperty(GL2.GL_MAP1_VERTEX_3, NurbsConsts.N_PIXEL_TOLERANCE, + (float) 50.0); + setnurbsproperty(GL2.GL_MAP1_VERTEX_4, NurbsConsts.N_PIXEL_TOLERANCE, + (float) 50.0); + setnurbsproperty(GL2.GL_MAP2_VERTEX_3, NurbsConsts.N_PIXEL_TOLERANCE, + (float) 50.0); + setnurbsproperty(GL2.GL_MAP2_VERTEX_4, NurbsConsts.N_PIXEL_TOLERANCE, + (float) 50.0); + + setnurbsproperty(GL2.GL_MAP1_VERTEX_3, NurbsConsts.N_ERROR_TOLERANCE, + (float) 0.50); + setnurbsproperty(GL2.GL_MAP1_VERTEX_4, NurbsConsts.N_ERROR_TOLERANCE, + (float) 0.50); + setnurbsproperty(GL2.GL_MAP2_VERTEX_3, NurbsConsts.N_ERROR_TOLERANCE, + (float) 0.50); + setnurbsproperty(GL2.GL_MAP2_VERTEX_4, NurbsConsts.N_ERROR_TOLERANCE, + (float) 0.50); + + setnurbsproperty(GL2.GL_MAP1_VERTEX_3, NurbsConsts.N_S_STEPS, + (float) 100.0); + setnurbsproperty(GL2.GL_MAP1_VERTEX_4, NurbsConsts.N_S_STEPS, + (float) 100.0); + setnurbsproperty(GL2.GL_MAP2_VERTEX_3, NurbsConsts.N_S_STEPS, + (float) 100.0); + setnurbsproperty(GL2.GL_MAP2_VERTEX_4, NurbsConsts.N_S_STEPS, + (float) 100.0); + + setnurbsproperty(GL2.GL_MAP1_VERTEX_3, NurbsConsts.N_SAMPLINGMETHOD, + NurbsConsts.N_PATHLENGTH); + + set_domain_distance_u_rate(100.0); + set_domain_distance_v_rate(100.0); + set_is_domain_distance_sampling(0); + + this.autoloadmode = true; + + this.callBackFlag = 0; + + this.errorCallback = null; + } + + /** + * Sets domain distance for dom.dist. sampling in u direction + * + * @param d + * distance + */ + private void set_domain_distance_u_rate(double d) { + // DONE + subdivider.set_domain_distance_u_rate(d); + } + + /** + * Sets domain distance for dom.dist. sampling in v direction + * + * @param d + * distance + */ + private void set_domain_distance_v_rate(double d) { + // DONE + subdivider.set_domain_distance_v_rate(d); + } + + /** + * Begins new NURBS curve + */ + public void bgncurve() { + // DONE + O_curve o_curve = new O_curve(); + thread("do_bgncurve", o_curve); + } + + /** + * Calls a method with given name and passes argumet + * + * @param name + * name of a method to be called + * @param arg + * parameter to be passed to called method + */ + private void thread(String name, Object arg) { + // DONE + Class partype[] = new Class[1]; + partype[0] = arg.getClass(); + Method m; + try { + m = this.getClass().getMethod(name, partype); + if (dl != null) { + dl.append(this, m, arg); + } else { + m.invoke(this, new Object[] { arg }); + } + } catch (Throwable e) { + e.printStackTrace(); + } + + } + + /** + * Calls a method with given name + * + * @param name + * name of a method to be called + */ + private void thread2(String name) { + // DONE + try { + Method m = this.getClass().getMethod(name, (Class[]) null); + if (dl != null) { + dl.append(this, m, null); + } else { + m.invoke(this, (Object[]) null); + } + } catch (Throwable e) { + e.printStackTrace(); + } + } + + /** + * Begins a NURBS curve + * + * @param o_curve + * curve object + */ + public void do_bgncurve(O_curve o_curve) { + if (inCurve > 0) { + do_nurbserror(6); + endcurve(); + } + inCurve = 1; + currentCurve = o_curve; + + currentCurve.curvetype = CT_NONE; + + if (inTrim) { + if (!nextCurve.equals(o_curve)) { + isCurveModified = 1; + nextCurve = o_curve; + } + } else { + if (!playBack) + bgnrender(); + isDataValid = 1; + } + nextCurve = o_curve.next; + // kind of solution of union + nextPwlcurve = o_curve.o_pwlcurve; + nextNurbscurve = o_curve.o_nurbscurve; + } + + /** + * Begins new surface + * + * @param o_surface + * surface object + */ + public void do_bgnsurface(O_surface o_surface) { + // DONE + if (inSurface > 0) { + do_nurbserror(27); + endsurface(); + } + inSurface = 1; + if (!playBack) + bgnrender(); + + isTrimModified = false; + isDataSurfaceModified = false; + isDataValid = 1; + numTrims = 0; + currentSurface = o_surface; + nextTrim = o_surface.o_trim; + nextNurbssurface = o_surface.o_nurbssurface; + } + + /** + * End a curve + */ + public void endcurve() { + // DONE + thread2("do_endcurve"); + } + + /** + * Ends surface + */ + public void do_endsurface() { + // DONE + if (inTrim) { + do_nurbserror(12); + endtrim(); + } + + if (inSurface <= 0) { + do_nurbserror(13); + return; + } + + inSurface = 0; + + nextNurbssurface = null; + + if (isDataValid <= 0) { + return; + } + + if (nextTrim != null) { + isTrimModified = true; + nextTrim = null; + } + + // TODO errval ?? + if (numTrims > 0) { + // System.out.println("TODO glunurbs.do_endsurface - numtrims > 0"); + } + + subdivider.beginQuilts(new GL2Backend()); + for (O_nurbssurface n = currentSurface.o_nurbssurface; n != null; n = n.next) { + subdivider.addQuilt(n.bezier_patches); + } + subdivider.endQuilts(); + subdivider.drawSurfaces(); + if (!playBack) + endrender(); + + } + + /** + * Ends a curve + */ + public void do_endcurve() { + // DONE + // // System.out.println("do_endcurve"); + if (inCurve <= 0) { + do_nurbserror(7); + return; + } + inCurve = 0; + + nextCurve = null; + + if (currentCurve.curvetype == CT_NURBSCURVE) { + // nextNurbscurve = null; + // currentCurve.o_nurbscurve=null; + } else { + // nextPwlcurve = null; + // currentCurve.o_pwlcurve=null; + } + if (!inTrim) { + if (isDataValid <= 0) { + return; + } + // TODO errval? + if (currentCurve.curvetype == CT_NURBSCURVE) { + subdivider.beginQuilts(new GL2Backend()); + + for (O_nurbscurve n = currentCurve.o_nurbscurve; n != null; n = n.next) + subdivider.addQuilt(n.bezier_curves); + + subdivider.endQuilts(); + subdivider.drawCurves(); + if (!playBack) + endrender(); + } else { + if (!playBack) + endrender(); + do_nurbserror(9); + } + } + + } + + /** + * Method for handling error codes + * + * @param i + * error code + */ + private void do_nurbserror(int i) { + // TODO nurberror + // System.out.println("TODO nurbserror " + i); + } + + /** + * Begin rendering + */ + private void bgnrender() { + // DONE + if (autoloadmode) { + loadGLMatrices(); + } + } + + /** + * Load matrices from OpenGL state machine + */ + private void loadGLMatrices() { + // TODO Auto-generated method stub + // System.out.println("TODO glunurbs.loadGLMatrices"); + } + + /** + * End rendering + */ + private void endrender() { + // DONE + } + + /** + * Make a NURBS curve + * + * @param nknots + * number of knots in knot vector + * @param knot + * knot vector + * @param stride + * number of control points coordinates + * @param ctlarray + * control points + * @param order + * order of the curve + * @param realType + * type of the curve + */ + public void nurbscurve(int nknots, float[] knot, int stride, + float[] ctlarray, int order, int realType) { + // DONE + Mapdesc mapdesc = maplist.locate(realType); + if (mapdesc == null) { + do_nurbserror(35); + isDataValid = 0; + return; + } + if (ctlarray == null) { + do_nurbserror(36); + isDataValid = 0; + return; + } + if (stride < 0) { + do_nurbserror(34); + isDataValid = 0; + return; + } + Knotvector knots = new Knotvector(nknots, stride, order, knot); + + if (!do_check_knots(knots, "curve")) + return; + + O_nurbscurve o_nurbscurve = new O_nurbscurve(realType); + o_nurbscurve.bezier_curves = new Quilt(mapdesc); + CArrayOfFloats ctrlcarr = new CArrayOfFloats(ctlarray); + o_nurbscurve.bezier_curves.toBezier(knots, ctrlcarr, mapdesc + .getNCoords()); + thread("do_nurbscurve", o_nurbscurve); + } + + /** + * Check knot vector specification + * + * @param knots + * knot vector + * @param msg + * error message + * @return knot vector is / is not valid + */ + public boolean do_check_knots(Knotvector knots, String msg) { + // DONE + int status = knots.validate(); + if (status > 0) { + do_nurbserror(status); + if (renderhints.errorchecking != NurbsConsts.N_NOMSG) + knots.show(msg); + } + return (status > 0) ? false : true; + } + + /** + * Draw a curve + * + * @param o_nurbscurve + * NURBS curve object + */ + public void do_nurbscurve(O_nurbscurve o_nurbscurve) { + // DONE + + if (inCurve <= 0) { + bgncurve(); + inCurve = 2; + } + + if (o_nurbscurve.used) { + do_nurbserror(23); + isDataValid = 0; + return; + } else + o_nurbscurve.used = true; + + if (currentCurve.curvetype == CT_NONE) { + currentCurve.curvetype = CT_NURBSCURVE; + } else if (currentCurve.curvetype != CT_NURBSCURVE) { + do_nurbserror(24); + isDataValid = 0; + return; + } + + // it was necessary to overcome problem with pointer to pointer here + + // if(!o_nurbscurve.equals(nextNurbscurve)){ + if (!o_nurbscurve.equals(currentCurve.o_nurbscurve)) { + isCurveModified = 1; + currentCurve.o_nurbscurve = o_nurbscurve; + // nextNurbscurve=o_nurbscurve; + + } + + nextNurbscurve = o_nurbscurve.next; + + if (!currentCurve.equals(o_nurbscurve.owner)) { + isCurveModified = 1; + o_nurbscurve.owner = currentCurve; + } + + if (o_nurbscurve.owner == null) + isCurveModified = 1; + + if (inCurve == 2) + endcurve(); + } + + /** + * Draw NURBS surface + * + * @param o_nurbssurface + * NURBS surface object + */ + public void do_nurbssurface(O_nurbssurface o_nurbssurface) { + // DONE + if (inSurface <= 0) { + bgnsurface(); + inSurface = 2; + } + if (o_nurbssurface.used) { + do_nurbserror(25); + isDataValid = 0; + return; + } else + o_nurbssurface.used = true; + + if (!o_nurbssurface.equals(nextNurbscurve)) { + isSurfaceModified = true; + // nextNurbssurface=o_nurbssurface; + currentSurface.o_nurbssurface = o_nurbssurface; + } + + if (!currentSurface.equals(o_nurbssurface.owner)) { + isSurfaceModified = true; + o_nurbssurface.owner = currentSurface; + } + + nextNurbssurface = o_nurbssurface.next; + + if (inSurface == 2) + endsurface(); + } + + /** + * (Re)Inicialize maps + */ + public void redefineMaps() { + // DONE + maplist.initialize(); + } + + /** + * Define a map of given properties + * + * @param type + * map type + * @param rational + * is rational + * @param ncoords + * number of control point coordinates + */ + public void defineMap(int type, int rational, int ncoords) { + // DONE + maplist.define(type, rational, ncoords); + } + + /** + * Set NURBS property + * + * @param type + * property type + * @param tag + * property tag + * @param value + * property value + */ + public void setnurbsproperty(int type, int tag, float value) { + // DONE + Mapdesc mapdesc = maplist.locate(type); + if (mapdesc == null) { + do_nurbserror(35); + return; + } + if (!mapdesc.isProperty(tag)) { + do_nurbserror(26); + return; + } + Property prop = new Property(type, tag, value); + thread("do_setnurbsproperty2", prop); + } + + /** + * Set parameters of existing property + * + * @param prop + * property + */ + public void do_setnurbsproperty2(Property prop) { + Mapdesc mapdesc = maplist.find(prop.type); + mapdesc.setProperty(prop.tag, prop.value); + } + + /** + * Set given property to rendering hints + * + * @param prop + * property to be set + */ + public void do_setnurbsproperty(Property prop) { + // DONE + renderhints.setProperty(prop); + // TODO freeproperty? + } + + /** + * Sets wheteher we use domain distance sampling + * + * @param i + * domain distance sampling flag + */ + public void set_is_domain_distance_sampling(int i) { + // DONE + subdivider.set_is_domain_distance_sampling(i); + } + + /** + * Begin new surface + */ + public void bgnsurface() { + // DONE + O_surface o_surface = new O_surface(); + // TODO nuid + // System.out.println("TODO glunurbs.bgnsurface nuid"); + thread("do_bgnsurface", o_surface); + } + + /** + * End current surface + */ + public void endsurface() { + // DONE + thread2("do_endsurface"); + } + + /** + * End surface trimming + */ + private void endtrim() { + // TODO Auto-generated method stub + // System.out.println("TODO glunurbs.endtrim"); + } + + /** + * Make NURBS surface + * + * @param sknot_count + * number of knots in s direction + * @param sknot + * knot vector in s direction + * @param tknot_count + * number of knots in t direction + * @param tknot + * knot vector in t direction + * @param s_stride + * number of coords of control points in s direction + * @param t_stride + * number of coords of control points in t direction + * @param ctlarray + * control points + * @param sorder + * order of curve in s direction + * @param torder + * order of curve in t direction + * @param type + * NURBS surface type (rational,...) + */ + public void nurbssurface(int sknot_count, float[] sknot, int tknot_count, + float[] tknot, int s_stride, int t_stride, float[] ctlarray, + int sorder, int torder, int type) { + // DONE + Mapdesc mapdesc = maplist.locate(type); + if (mapdesc == null) { + do_nurbserror(35); + isDataValid = 0; + return; + } + if (s_stride < 0 || t_stride < 0) { + do_nurbserror(34); + isDataValid = 0; + return; + } + Knotvector sknotvector = new Knotvector(sknot_count, s_stride, sorder, + sknot); + if (!do_check_knots(sknotvector, "surface")) + return; + Knotvector tknotvector = new Knotvector(tknot_count, t_stride, torder, + tknot); + if (!do_check_knots(tknotvector, "surface")) + return; + + O_nurbssurface o_nurbssurface = new O_nurbssurface(type); + o_nurbssurface.bezier_patches = new Quilt(mapdesc); + + CArrayOfFloats ctrlarr = new CArrayOfFloats(ctlarray); + o_nurbssurface.bezier_patches.toBezier(sknotvector, tknotvector, + ctrlarr, mapdesc.getNCoords()); + thread("do_nurbssurface", o_nurbssurface); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/BuildMipmap.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/BuildMipmap.java new file mode 100644 index 000000000..501f5f585 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/BuildMipmap.java @@ -0,0 +1,1598 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import javax.media.opengl.glu.GLU; +import com.jogamp.opengl.impl.Debug; +import com.jogamp.opengl.impl.InternalBufferUtil; +import java.nio.*; +import java.io.*; + +/** + * + * @author Administrator + */ +public class BuildMipmap { + + private static final boolean DEBUG = Debug.debug("BuildMipmap"); + private static final boolean VERBOSE = Debug.verbose(); + + /** Creates a new instance of BuildMipmap */ + public BuildMipmap() { + } + + public static int gluBuild1DMipmapLevelsCore( GL gl, int target, int internalFormat, + int width, int widthPowerOf2, int format, int type, int userLevel, + int baseLevel, int maxLevel, ByteBuffer data ) { + int newwidth; + int level, levels; + ShortBuffer newImage = null; + int newImage_width; + ShortBuffer otherImage = null; + ShortBuffer imageTemp = null; + int memReq; + int maxsize; + int cmpts; + PixelStorageModes psm = new PixelStorageModes(); + + assert( Mipmap.checkMipmapArgs( internalFormat, format, type ) == 0 ); + assert( width >= 1 ); + + newwidth = widthPowerOf2; + levels = Mipmap.computeLog( newwidth ); + + levels += userLevel; + + Mipmap.retrieveStoreModes( gl, psm ); + try { + newImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( Mipmap.image_size( width, 1, format, + GL2.GL_UNSIGNED_SHORT ) )).asShortBuffer(); + } catch( OutOfMemoryError ome ) { + return( GLU.GLU_OUT_OF_MEMORY ); + } + newImage_width = width; + + Image.fill_image( psm, width, 1, format, type, Mipmap.is_index( format ), data, newImage ); + cmpts = Mipmap.elements_per_group( format, type ); + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, 2 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); + + // if swap_bytes was set, swapping occurred in fill_image + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); + + for( level = userLevel; level <= levels; level++ ) { + if( newImage_width == newwidth ) { + // user newimage for this level + if( baseLevel <= level && level <= maxLevel ) { + gl.getGL2().glTexImage1D( target, level, internalFormat, newImage_width, 0, format, + GL2.GL_UNSIGNED_SHORT, newImage ); + } + } else { + if( otherImage == null ) { + memReq = Mipmap.image_size( newwidth, 1, format, GL2.GL_UNSIGNED_SHORT ); + try { + otherImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )).asShortBuffer(); + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + } + ScaleInternal.scale_internal( cmpts, newImage_width, 1, newImage, newwidth, 1, otherImage ); + // swap newImage and otherImage + imageTemp = otherImage; + otherImage = newImage; + newImage = imageTemp; + + newImage_width = newwidth; + if( baseLevel <= level && level <= maxLevel ) { + gl.getGL2().glTexImage1D( target, level, internalFormat, newImage_width, 0, + format, GL2.GL_UNSIGNED_SHORT, newImage ); + } + } + if( newwidth > 1 ) { + newwidth /= 2; + } + } + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + + return( 0 ); + } + + public static int bitmapBuild2DMipmaps( GL gl, int target, int internalFormat, + int width, int height, int format, int type, ByteBuffer data ) { + int newwidth[] = new int[1]; + int newheight[] = new int[1]; + int level, levels; + ShortBuffer newImage = null; + int newImage_width; + int newImage_height; + ShortBuffer otherImage = null; + ShortBuffer tempImage = null; + int memReq; + int maxsize; + int cmpts; + PixelStorageModes psm = new PixelStorageModes(); + + Mipmap.retrieveStoreModes( gl, psm ); + + Mipmap.closestFit( gl, target, width, height, internalFormat, format, type, newwidth, newheight ); + + levels = Mipmap.computeLog( newwidth[0] ); + level = Mipmap.computeLog( newheight[0] ); + if( level > levels ) { + levels = level; + } + + try { + newImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( Mipmap.image_size( width, height, + format, GL2.GL_UNSIGNED_SHORT ) )).asShortBuffer(); + } catch( OutOfMemoryError ome ) { + return( GLU.GLU_OUT_OF_MEMORY ); + } + newImage_width = width; + newImage_height = height; + + Image.fill_image( psm, width, height, format, type, Mipmap.is_index( format ), data, newImage ); + + cmpts = Mipmap.elements_per_group( format, type ); + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, 2 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); + + // if swap_bytes is set, swapping occurred in fill_image + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); + + for( level = 0; level < levels; level++ ) { + if( newImage_width == newwidth[0] && newImage_height == newheight[0] ) { + newImage.rewind(); + gl.glTexImage2D( target, level, internalFormat, newImage_width, + newImage_height, 0, format, GL2.GL_UNSIGNED_SHORT, newImage ); + } else { + if( otherImage == null ) { + memReq = Mipmap.image_size( newwidth[0], newheight[0], format, GL2.GL_UNSIGNED_SHORT ); + try { + otherImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )).asShortBuffer(); + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + } + ScaleInternal.scale_internal( cmpts, newImage_width, newImage_height, + newImage, newwidth[0], newheight[0], otherImage ); + // swap newImage and otherImage + tempImage = otherImage; + otherImage = newImage; + newImage = tempImage; + + newImage_width = newwidth[0]; + newImage_height = newheight[0]; + newImage.rewind(); + gl.glTexImage2D( target, level, internalFormat, newImage_width, newImage_height, + 0, format, GL2.GL_UNSIGNED_SHORT, newImage ); + } + if( newheight[0] > 1 ) { + newwidth[0] /= 2; + } + if( newheight[0] > 1 ) { + newheight[0] /= 2; + } + } + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + + return( 0 ); + } + + public static int gluBuild2DMipmapLevelsCore( GL gl, int target, int internalFormat, + int width, int height, int widthPowerOf2, int heightPowerOf2, + int format, int type, int userLevel, int baseLevel, int maxLevel, + ByteBuffer data ) { // PointerWrapper data + int newwidth; + int newheight; + int level, levels; + int usersImage; + ByteBuffer srcImage = null; + ByteBuffer dstImage = null; + ByteBuffer tempImage = null; + int newImage_width; + int newImage_height; + short[] SWAP_IMAGE = null; + int memReq; + int maxsize; + int cmpts; + int mark=-1; + + boolean myswap_bytes; + int groups_per_line, element_size, group_size; + int rowsize, padding; + PixelStorageModes psm = new PixelStorageModes(); + + assert( Mipmap.checkMipmapArgs( internalFormat, format, type ) == 0 ); + assert( width >= 1 && height >= 1 ); + + if( type == GL2.GL_BITMAP ) { + return( bitmapBuild2DMipmaps( gl, target, internalFormat, width, height, format, type, data ) ); + } + + newwidth = widthPowerOf2; + newheight = heightPowerOf2; + levels = Mipmap.computeLog( newwidth ); + level = Mipmap.computeLog( newheight ); + if( level > levels ) { + levels = level; + } + + levels += userLevel; + + Mipmap.retrieveStoreModes( gl, psm ); + myswap_bytes = psm.getUnpackSwapBytes(); + cmpts = Mipmap.elements_per_group( format, type ); + if( psm.getUnpackRowLength() > 0 ) { + groups_per_line = psm.getUnpackRowLength(); + } else { + groups_per_line = width; + } + + element_size = Mipmap.bytes_per_element( type ); + group_size = element_size * cmpts; + if( element_size == 1 ) { + myswap_bytes = false; + } + + rowsize = groups_per_line * group_size; + padding = ( rowsize % psm.getUnpackAlignment() ); + if( padding != 0 ) { + rowsize += psm.getUnpackAlignment() - padding; + } + + mark = psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * group_size; + data.position( mark ); + + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); + + level = userLevel; + + // already power of two square + if( width == newwidth && height == newheight ) { + // use usersImage for level userLevel + if( baseLevel <= level && level <= maxLevel ) { + data.rewind(); + gl.glTexImage2D( target, level, internalFormat, width, height, 0, format, type, data ); + } + if( levels == 0 ) { /* we're done. clean up and return */ + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( 0 ); + } + int nextWidth = newwidth / 2; + int nextHeight = newheight / 2; + + // clamp to 1 + if( nextWidth < 1 ) { + nextWidth = 1; + } + if( nextHeight < 1 ) { + nextHeight = 1; + } + memReq = Mipmap.image_size( nextWidth, nextHeight, format, type ); + + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + if( dstImage != null ) { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + HalveImage.halveImage_ubyte( cmpts, width, height, data, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_BYTE ): + HalveImage.halveImage_byte( cmpts, width, height, data, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_UNSIGNED_SHORT ): + HalveImage.halveImage_ushort( cmpts, width, height, data, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_SHORT ): + HalveImage.halveImage_short( cmpts, width, height, data, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT ): + HalveImage.halveImage_uint( cmpts, width, height, data, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_INT ): + HalveImage.halveImage_int( cmpts, width, height, data, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_FLOAT ): + HalveImage.halveImage_float( cmpts, width, height, data, dstImage.asFloatBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel( 3, new Extract332(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel( 3, new Extract233rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + HalveImage.halveImagePackedPixel( 3, new Extract565(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + HalveImage.halveImagePackedPixel( 3, new Extract565rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + HalveImage.halveImagePackedPixel( 4, new Extract4444(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract4444rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + HalveImage.halveImagePackedPixel( 4, new Extract5551(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract1555rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + HalveImage.halveImagePackedPixel( 4, new Extract8888(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract8888rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + HalveImage.halveImagePackedPixel( 4, new Extract1010102(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract2101010rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + default: + assert( false ); + break; + } + } + newwidth = width / 2; + newheight = height / 2; + // clamp to 1 + if( newwidth < 1 ) { + newwidth = 1; + } + if( newheight < 1 ) { + newheight = 1; + } + + myswap_bytes = false; + rowsize = newwidth * group_size; + memReq = Mipmap.image_size( newwidth, newheight, format, type ); + // swap srcImage and dstImage + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + // level userLevel+1 is in srcImage; level userLevel already saved + level = userLevel + 1; + } else { // user's image is not nice powerof2 size square + memReq = Mipmap.image_size( newwidth, newheight, format, type ); + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + data.position( mark ); + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + ScaleInternal.scale_internal_ubyte( cmpts, width, height, data, + newwidth, newheight, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_BYTE ): + ScaleInternal.scale_internal_byte( cmpts, width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_UNSIGNED_SHORT ): + ScaleInternal.scale_internal_ushort( cmpts, width, height, data, newwidth, + newheight, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_SHORT ): + ScaleInternal.scale_internal_ushort( cmpts, width, height, data, newwidth, + newheight, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT ): + ScaleInternal.scale_internal_uint( cmpts, width, height, data, newwidth, + newheight, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_INT ): + ScaleInternal.scale_internal_int( cmpts, width, height, data, newwidth, + newheight, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_FLOAT ): + ScaleInternal.scale_internal_float( cmpts, width, height, data, newwidth, + newheight, dstImage.asFloatBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + ScaleInternal.scaleInternalPackedPixel( 3, new Extract332(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + ScaleInternal.scaleInternalPackedPixel( 3, new Extract233rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + ScaleInternal.scaleInternalPackedPixel( 3, new Extract565(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + ScaleInternal.scaleInternalPackedPixel( 3, new Extract565rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract4444(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract4444rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract5551(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract1555rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract8888(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract8888rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract1010102(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract2101010rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + default: + assert( false ); + break; + } + myswap_bytes = false; + rowsize = newwidth * group_size; + // swap dstImage and srcImage + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + + if( levels != 0 ) { // use as little memory as possible + int nextWidth = newwidth / 2; + int nextHeight = newheight / 2; + if( nextWidth < 1 ) { + nextWidth = 1; + } + if( nextHeight < 1 ) { + nextHeight = 1; + } + + memReq = Mipmap.image_size( nextWidth, nextHeight, format, type ); + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + } + // level userLevel is in srcImage; nothing saved yet + level = userLevel; + } + + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); + if( baseLevel <= level && level <= maxLevel ) { + srcImage.rewind(); + gl.glTexImage2D( target, level, internalFormat, newwidth, newheight, 0, format, type, srcImage ); + if (DEBUG) { + System.err.println("GL Error(" + level + "): " + gl.glGetError() ); + if (VERBOSE) { + srcImage.limit( Mipmap.image_size( newwidth, newheight, format, type ) ); + writeTargaFile("glu2DMipmapJ" + level + ".tga", + srcImage, newwidth, newheight); + srcImage.clear(); + } + } + } + + level++; // update current level for the loop + for( ; level <= levels; level++ ) { + srcImage.rewind(); + dstImage.rewind(); + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + HalveImage.halveImage_ubyte( cmpts, newwidth, newheight, srcImage, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_BYTE ): + HalveImage.halveImage_byte( cmpts, newwidth, newheight, srcImage, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_UNSIGNED_SHORT ): + HalveImage.halveImage_ushort( cmpts, newwidth, newheight, srcImage, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_SHORT ): + HalveImage.halveImage_short( cmpts, newwidth, newheight, srcImage, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT ): + HalveImage.halveImage_uint( cmpts, newwidth, newheight, srcImage, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_INT ): + HalveImage.halveImage_int( cmpts, newwidth, newheight, srcImage, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_FLOAT ): + HalveImage.halveImage_float( cmpts, newwidth, newheight, srcImage, dstImage.asFloatBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel( 3, new Extract332(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel( 3, new Extract233rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + HalveImage.halveImagePackedPixel( 3, new Extract565(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + HalveImage.halveImagePackedPixel( 3, new Extract565rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + HalveImage.halveImagePackedPixel( 4, new Extract4444(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract4444rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + HalveImage.halveImagePackedPixel( 4, new Extract5551(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract1555rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + HalveImage.halveImagePackedPixel( 4, new Extract8888(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract8888rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + HalveImage.halveImagePackedPixel( 4, new Extract1010102(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract2101010rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + default: + assert( false ); + break; + } + + // swap dstImage and srcImage + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + + if( newwidth > 1 ) { + newwidth /= 2; + rowsize /= 2; + } + if( newheight > 1 ) { + newheight /= 2; + } + // compute amount to pad per row if any + int rowPad = rowsize % psm.getUnpackAlignment(); + + // should row be padded + if( rowPad == 0 ) { + // call teximage with srcImage untouched since its not padded + if( baseLevel <= level && level <= maxLevel ) { + srcImage.rewind(); + gl.glTexImage2D( target, level, internalFormat, newwidth, newheight, 0, format, type, srcImage ); + if (DEBUG) { + System.err.println("GL Error(" + level + "): " + gl.glGetError() ); + if (VERBOSE) { + srcImage.limit( Mipmap.image_size( newwidth, newheight, format, type ) ); + writeTargaFile("glu2DMipmapJ" + level + ".tga", + srcImage, newwidth, newheight); + srcImage.clear(); + } + } + } + } else { + // compute length of new row in bytes, including padding + int newRowLength = rowsize + psm.getUnpackAlignment() - rowPad; + int ii, jj; + int dstTrav; + int srcTrav; + + // allocate new image for mipmap of size newRowLength x newheight + ByteBuffer newMipmapImage = null; + try { + newMipmapImage = ByteBuffer.allocateDirect( newRowLength * newheight ); + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + srcImage.rewind(); + // copy image from srcImage into newMipmapImage by rows + for( ii = 0; ii < newheight; ii++ ) { + newMipmapImage.position(newRowLength * ii); + for( jj = 0; jj < rowsize; jj++ ) { + newMipmapImage.put( srcImage.get() ); + } + } + + // and use this new image for mipmapping instead + if( baseLevel <= level && level <= maxLevel ) { + newMipmapImage.rewind(); + gl.glTexImage2D( target, level, internalFormat, newwidth, newheight, 0, format, type, newMipmapImage ); + if (DEBUG) { + System.err.println("GL Error(" + level + " padded): " + gl.glGetError() ); + if (VERBOSE) { + writeTargaFile("glu2DMipmapJ" + level + ".tga", + newMipmapImage, newwidth, newheight); + } + } + } + } + } + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + + return( 0 ); + } + + public static int fastBuild2DMipmaps( GL gl, PixelStorageModes psm, int target, + int components, int width, int height, int format, int type, ByteBuffer data ) { + int[] newwidth = new int[1]; + int[] newheight = new int[1]; + int level, levels; + ByteBuffer newImage; + int newImage_width; + int newImage_height; + ByteBuffer otherImage; + ByteBuffer imageTemp; + int memReq; + int maxsize; + int cmpts; + + Mipmap.closestFit( gl, target, width, height, components, format, type, newwidth, + newheight ); + + levels = Mipmap.computeLog( newwidth[0] ); + level = Mipmap.computeLog( newheight[0] ); + if( level > levels ) { + levels = level; + } + + cmpts = Mipmap.elements_per_group( format, type ); + + otherImage = null; + // No need to copy the user data if its packed correctly. + // Make sure that later routines don't change that data. + + if( psm.getUnpackSkipRows() == 0 && psm.getUnpackSkipPixels() == 0 ) { + newImage = data; + newImage_width = width; + newImage_height = height; + } else { + int rowsize; + int group_per_line; + int elements_per_line; + int start; + int iter; + int iter2; + int i, j; + + try { + newImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( Mipmap.image_size( + width, height, format, GL2.GL_UNSIGNED_BYTE ) )); + } catch( OutOfMemoryError err ) { + return( GLU.GLU_OUT_OF_MEMORY ); + } + newImage_width = width; + newImage_height = height; + + // Abbreviated version of fill_image for the restricted case. + if( psm.getUnpackRowLength() > 0 ) { + group_per_line = psm.getUnpackRowLength(); + } else { + group_per_line = width; + } + rowsize = group_per_line * cmpts; + elements_per_line = width * cmpts; + start = psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * cmpts; + + for( i = 0; i < height; i++ ) { + iter = start; + data.position( iter ); + for( j = 0; j < elements_per_line; j++ ) { + newImage.put( data.get() ); + } + start += rowsize; + } + } + + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, 1 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); + + for( level = 0; level <= levels; level++ ) { + if( newImage_width == newwidth[0] && newImage_height == newheight[0] ) { + // use newImage for this level + newImage.rewind(); + gl.glTexImage2D( target, level, components, newImage_width, newImage_height, + 0, format, GL2.GL_UNSIGNED_BYTE, newImage ); + } else { + if( otherImage == null ) { + memReq = Mipmap.image_size( newwidth[0], newheight[0], format, GL2.GL_UNSIGNED_BYTE ); + try { + otherImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + } catch( OutOfMemoryError err ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, ( psm.getUnpackSwapBytes() ? 1 : 0 ) ) ; + return( GLU.GLU_OUT_OF_MEMORY ); + } + } + // swap newImage and otherImage + imageTemp = otherImage; + otherImage = newImage; + newImage = imageTemp; + + newImage_width = newwidth[0]; + newImage_height = newheight[0]; + newImage.rewind(); + gl.glTexImage2D( target, level, components, newImage_width, newImage_height, + 0, format, GL2.GL_UNSIGNED_BYTE, newImage ); + } + if( newwidth[0] > 1 ) { + newwidth[0] /= 2; + } + if( newheight[0] > 1 ) { + newheight[0] /= 2; + } + } + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, ( psm.getUnpackSwapBytes() ? 1 : 0 ) ) ; + + return( 0 ); + } + + public static int gluBuild3DMipmapLevelsCore( GL gl, int target, int internalFormat, + int width, int height, int depth, int widthPowerOf2, int heightPowerOf2, + int depthPowerOf2, int format, int type, int userLevel, int baseLevel, + int maxLevel, ByteBuffer data ) { + int newWidth; + int newHeight; + int newDepth; + int level, levels; + ByteBuffer usersImage; + ByteBuffer srcImage, dstImage, tempImage; + int newImageWidth; + int newImageHeight; + int newImageDepth; + int memReq; + int maxSize; + int cmpts; + int mark=-1; + + boolean myswapBytes; + int groupsPerLine, elementSize, groupSize; + int rowsPerImage, imageSize; + int rowSize, padding; + PixelStorageModes psm = new PixelStorageModes(); + + assert( Mipmap.checkMipmapArgs( internalFormat, format, type ) == 0 ); + assert( width >= 1 && height >= 1 && depth >= 1 ); + assert( type != GL2.GL_BITMAP ); + + srcImage = dstImage = null; + + newWidth = widthPowerOf2; + newHeight = heightPowerOf2; + newDepth = depthPowerOf2; + levels = Mipmap.computeLog( newWidth ); + level = Mipmap.computeLog( newHeight ); + if( level > levels ) { + levels = level; + } + level = Mipmap.computeLog( newDepth ); + if( level > levels ) { + levels = level; + } + + levels += userLevel; + + Mipmap.retrieveStoreModes3D( gl, psm ); + myswapBytes = psm.getUnpackSwapBytes(); + cmpts = Mipmap.elements_per_group( format, type ); + if( psm.getUnpackRowLength() > 0 ) { + groupsPerLine = psm.getUnpackRowLength(); + } else { + groupsPerLine = width; + } + + elementSize = Mipmap.bytes_per_element( type ); + groupSize = elementSize * cmpts; + if( elementSize == 1 ) { + myswapBytes = false; + } + + // 3dstuff + if( psm.getUnpackImageHeight() > 0 ) { + rowsPerImage = psm.getUnpackImageHeight(); + } else { + rowsPerImage = height; + } + + rowSize = groupsPerLine * groupSize; + padding = ( rowSize % psm.getUnpackAlignment() ); + if( padding != 0 ) { + rowSize += psm.getUnpackAlignment() - padding; + } + + imageSize = rowsPerImage * rowSize; + + usersImage = ByteBuffer.wrap(data.array()); + mark = psm.getUnpackSkipRows() * rowSize + + psm.getUnpackSkipPixels() * groupSize + + psm.getUnpackSkipImages() * imageSize; + usersImage.position( mark ); + + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, 0 ); + + level = userLevel; + + if( width == newWidth && height == newHeight && depth == newDepth ) { + // use usersImage for level userlevel + if( baseLevel <= level && level <= maxLevel ) { + gl.getGL2().glTexImage3D( target, level, internalFormat, width, height, depth, + 0, format, type, usersImage ); + } + if( levels == 0 ) { /* we're done. clean up and return */ + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( 0 ); + } + int nextWidth = newWidth / 2; + int nextHeight = newHeight / 2; + int nextDepth = newDepth / 2; + + // clamp to one + if( nextWidth < 1 ) { + nextWidth = 1; + } + if( nextHeight < 1 ) { + nextHeight = 1; + } + if( nextDepth < 1 ) { + nextDepth = 1; + } + memReq = Mipmap.imageSize3D( nextWidth, nextHeight, nextDepth, format, type ); + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError err ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + + if( dstImage != null ) { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUByte(), width, height, depth, + usersImage, dstImage, elementSize, + groupSize, rowSize, imageSize, myswapBytes ); + } else { + HalveImage.halveImage_ubyte( cmpts, width, height, usersImage, + dstImage, elementSize, rowSize, groupSize ); + } + break; + case( GL2.GL_BYTE ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSByte(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_byte( cmpts, width, height, usersImage, + dstImage, elementSize, rowSize, groupSize ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUShort(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_ushort( cmpts, width, height, usersImage, + dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_SHORT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSShort(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_short( cmpts, width, height, usersImage, + dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_UNSIGNED_INT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUInt(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_uint( cmpts, width, height, usersImage, + dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_INT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSInt(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_int( cmpts, width, height, usersImage, + dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_FLOAT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractFloat(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_float( cmpts, width, height, usersImage, + dstImage.asFloatBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel3D( 3, new Extract332(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel3D( 3, new Extract233rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + HalveImage.halveImagePackedPixel3D( 3, new Extract565(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + HalveImage.halveImagePackedPixel3D( 3, new Extract565rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract4444(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract4444rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract5551(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract1555rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract8888(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract8888rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract1010102(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract2101010rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + default: + assert( false ); + break; + } + } + newWidth = width / 2; + newHeight = height / 2; + newDepth = depth / 2; + // clamp to 1 + if( newWidth < 1 ) { + newWidth = 1; + } + if( newHeight < 1 ) { + newHeight = 1; + } + if( newDepth < 1 ) { + newDepth = 1; + } + + myswapBytes = false; + rowSize = newWidth * groupSize; + imageSize = rowSize * newHeight; + memReq = Mipmap.imageSize3D( newWidth, newHeight, newDepth, format, type ); + // swap srcImage and dstImage + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError err ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + + // level userLevel + 1 is in srcImage; level userLevel already saved + level = userLevel + 1; + } else { + memReq = Mipmap.imageSize3D( newWidth, newHeight, newDepth, format, type ); + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError err ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + + ScaleInternal.gluScaleImage3D( gl, format, width, height, depth, type, + usersImage, newWidth, newHeight, newDepth, type, dstImage ); + + myswapBytes = false; + rowSize = newWidth * groupSize; + imageSize = rowSize * newHeight; + // swap dstImage and srcImage + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + + if( levels != 0 ) { + int nextWidth = newWidth / 2; + int nextHeight = newHeight / 2; + int nextDepth = newDepth / 2; + if( nextWidth < 1 ) { + nextWidth = 1; + } + if( nextHeight < 1 ) { + nextHeight = 1; + } + if( nextDepth < 1 ) { + nextDepth = 1; + } + memReq = Mipmap.imageSize3D( nextWidth, nextHeight, nextDepth, format, type ); + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( memReq )); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError err ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + } + // level userLevel is in srcImage; nothing saved yet + level = userLevel; + } + + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); + if( baseLevel <= level && level <= maxLevel ) { + usersImage.position( mark ); + gl.getGL2().glTexImage3D( target, level, internalFormat, width, height, depth, + 0, format, type, usersImage ); + } + level++; + for( ; level <= levels; level++ ) { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUByte(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_ubyte( cmpts, width, height, usersImage, + dstImage, elementSize, rowSize, groupSize ); + } + break; + case( GL2.GL_BYTE ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSByte(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_byte( cmpts, width, height, usersImage, + dstImage, elementSize, rowSize, groupSize ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUShort(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_ushort( cmpts, width, height, usersImage, + dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_SHORT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSShort(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_short( cmpts, width, height, usersImage, + dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_UNSIGNED_INT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUInt(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_uint( cmpts, width, height, usersImage, + dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_INT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSInt(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_int( cmpts, width, height, usersImage, + dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_FLOAT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractFloat(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_float( cmpts, width, height, usersImage, + dstImage.asFloatBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + HalveImage.halveImagePackedPixel3D( 3, new Extract332(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + HalveImage.halveImagePackedPixel3D( 3, new Extract233rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + HalveImage.halveImagePackedPixel3D( 3, new Extract565(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + HalveImage.halveImagePackedPixel3D( 3, new Extract565rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract4444(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract4444rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract5551(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract1555rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract8888(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract8888rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract1010102(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract2101010rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + default: + assert( false ); + break; + } + + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + + if( newWidth > 1 ) { + newWidth /= 2; + rowSize /= 2; + } + if( newHeight > 1 ) { + newHeight /= 2; + imageSize = rowSize * newHeight; + } + if( newDepth > 1 ) { + newDepth /= 2; + } + if( baseLevel <= level && level <= maxLevel ) { + usersImage.position( mark ); + gl.getGL2().glTexImage3D( target, level, internalFormat, width, height, depth, + 0, format, type, usersImage ); + } + } + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( 0 ); + } + + private static final int TARGA_HEADER_SIZE = 18; + private static void writeTargaFile(String filename, ByteBuffer data, + int width, int height) { + try { + FileOutputStream fos = new FileOutputStream(new File(filename)); + ByteBuffer header = ByteBuffer.allocateDirect(TARGA_HEADER_SIZE); + header.put(0, (byte) 0).put(1, (byte) 0); + header.put(2, (byte) 2); // uncompressed type + header.put(12, (byte) (width & 0xFF)); // width + header.put(13, (byte) (width >> 8)); // width + header.put(14, (byte) (height & 0xFF)); // height + header.put(15, (byte) (height >> 8)); // height + header.put(16, (byte) 24); // pixel size + fos.write(header.array()); + fos.write(data.array()); + data.clear(); + fos.close(); + } catch (IOException e) { + e.printStackTrace(); + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract.java new file mode 100644 index 000000000..be86585e7 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract.java @@ -0,0 +1,56 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public interface Extract { + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ); + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ); +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract1010102.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract1010102.java new file mode 100644 index 000000000..7e172b1ce --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract1010102.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class Extract1010102 implements Extract { + + /** Creates a new instance of Extract1010102 */ + public Extract1010102() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + long uint = 0; + + if( isSwap ) { + uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); + } else { + uint = 0x00000000FFFFFFFF & packedPixel.getInt(); + } + + // 11111111,11000000,00000000,00000000 == 0xFFC00000 + // 00000000,00111111,11110000,00000000 == 0x003F0000 + // 00000000,00000000,00001111,11111100 == 0x00000FFC + // 00000000,00000000,00000000,00000011 == 0x00000003 + + extractComponents[0] = (float)( ( uint & 0xFFC00000 ) >> 22 ) / 1023.0f; + extractComponents[1] = (float)( ( uint & 0x003FF000 ) >> 12 ) / 1023.0f; + extractComponents[2] = (float)( ( uint & 0x00000FFC ) >> 2 ) / 1023.0f; + extractComponents[3] = (float)( ( uint & 0x00000003 ) ) / 3.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + long uint = (((int)((shoveComponents[0] * 1023) + 0.5f) << 22) & 0xFFC00000 ); + uint |= (((int)((shoveComponents[1] * 1023) + 0.5f) << 12) & 0x003FF000 ); + uint |= (((int)((shoveComponents[2] * 1023) + 0.5f) << 2) & 0x00000FFC ); + uint |= (((int)((shoveComponents[3] * 3) + 0.5f) ) & 0x00000003 ); + packedPixel.asIntBuffer().put( index, (int)uint ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract1555rev.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract1555rev.java new file mode 100644 index 000000000..37895096e --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract1555rev.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class Extract1555rev implements Extract { + + /** Creates a new instance of Extract1555rev */ + public Extract1555rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 00000000,00011111 == 0x001F + // 00000011,11100000 == 0x03E0 + // 01111100,00000000 == 0x7C00 + // 10000000,00000000 == 0x8000 + + extractComponents[0] = (float)( ( ushort & 0x001F ) ) / 31.0f; + extractComponents[1] = (float)( ( ushort & 0x003E ) >> 5 ) / 31.0f; + extractComponents[2] = (float)( ( ushort & 0x7C00 ) >> 10) / 31.0f; + extractComponents[3] = (float)( ( ushort & 0x8000 ) >> 15); + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 00000000,00011111 == 0x001F + // 00000011,11100000 == 0x03E0 + // 01111100,00000000 == 0x7C00 + // 10000000,00000000 == 0x8000 + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) ) & 0x0000001F ); + ushort |= (((int)((shoveComponents[1] * 31) + 0.5f) << 5) & 0x000003E0 ); + ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) << 10) & 0x00007C00 ); + ushort |= (((int)((shoveComponents[3]) + 0.5f) << 15) & 0x00008000 ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract2101010rev.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract2101010rev.java new file mode 100644 index 000000000..077f3037b --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract2101010rev.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class Extract2101010rev implements Extract { + + /** Creates a new instance of Extract2101010 */ + public Extract2101010rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + long uint = 0; + + if( isSwap ) { + uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); + } else { + uint = 0x00000000FFFFFFFF & packedPixel.getInt(); + } + + // 11111111,11000000,00000000,00000000 == 0xFFC00000 + // 00000000,00111111,11110000,00000000 == 0x003F0000 + // 00000000,00000000,00001111,11111100 == 0x00000FFC + // 00000000,00000000,00000000,00000011 == 0x00000003 + + extractComponents[0] = (float)( ( uint & 0x000003FF ) ) / 1023.0f; + extractComponents[1] = (float)( ( uint & 0x000FFC00 ) >> 10 ) / 1023.0f; + extractComponents[2] = (float)( ( uint & 0x3FF00000 ) >> 20 ) / 1023.0f; + extractComponents[3] = (float)( ( uint & 0xC0000000 ) >> 30 ) / 3.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + long uint = (((int)((shoveComponents[0] * 1023) + 0.5f) ) & 0x000003FF ); + uint |= (((int)((shoveComponents[1] * 1023) + 0.5f) << 10) & 0x000FFC00 ); + uint |= (((int)((shoveComponents[2] * 1023) + 0.5f) << 20) & 0x3FF00000 ); + uint |= (((int)((shoveComponents[3] * 3) + 0.5f) << 30) & 0xC0000000 ); + packedPixel.asIntBuffer().put( index, (int)uint ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract233rev.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract233rev.java new file mode 100644 index 000000000..fa35c6fbc --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract233rev.java @@ -0,0 +1,85 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class Extract233rev implements Extract { + + /** Creates a new instance of Extract223rev */ + public Extract233rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + // 11100000 == 0xe0 + // 00011100 == 0x1c + // 00000011 == 0x03 + byte ubyte = packedPixel.get(); + extractComponents[0] = (float)((ubyte & 0x07) ) / 7.0f; + extractComponents[1] = (float)((ubyte & 0x38) >> 3) / 7.0f; + extractComponents[2] = (float)((ubyte & 0xC0) >> 6) / 3.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11100000 == 0xE0 + // 00011100 == 0x1C + // 00000011 == 0x03 + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + + // due to limited precision, need to round before shoving + byte b = (byte)( ( (int)( ( shoveComponents[0] * 7 ) + 0.5f ) ) & 0x07 ); + b |= (byte)( ( (int)( ( shoveComponents[1] * 7 ) + 0.5f ) << 3 ) & 0x38 ); + b |= (byte)( ( (int)( ( shoveComponents[2] * 3 ) + 0.5f ) << 6 ) & 0xC0 ); + packedPixel.position( index ); + packedPixel.put( b ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract332.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract332.java new file mode 100644 index 000000000..35936466c --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract332.java @@ -0,0 +1,84 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class Extract332 implements Extract { + + /** Creates a new instance of Extract332 */ + public Extract332() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + // 11100000 == 0xe0 + // 00011100 == 0x1c + // 00000011 == 0x03 + byte ubyte = packedPixel.get(); + extractComponents[0] = (float)((ubyte & 0xe0) >> 5) / 7.0f; + extractComponents[1] = (float)((ubyte & 0x1c) >> 2) / 7.0f; + extractComponents[2] = (float)((ubyte & 0x03)) / 3.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11100000 == 0xE0 + // 00011100 == 0x1C + // 00000011 == 0x03 + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + + // due to limited precision, need to round before shoving + byte b = (byte)( ( (int)( ( shoveComponents[0] * 7 ) + 0.5f ) << 5 ) & 0xE0 ); + b |= (byte)( ( (int)( ( shoveComponents[1] * 7 ) + 0.5f ) << 2 ) & 0x1C ); + b |= (byte)( ( (int)( ( shoveComponents[2] * 3 ) + 0.5f ) ) & 0x03 ); + packedPixel.put( index, b ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract4444.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract4444.java new file mode 100644 index 000000000..bac4f57aa --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract4444.java @@ -0,0 +1,96 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract4444 implements Extract { + + /** Creates a new instance of Extract4444 */ + public Extract4444() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + extractComponents[0] = (float)( ( ushort & 0xF000 ) >> 12 ) / 15.0f; + extractComponents[1] = (float)( ( ushort & 0x0F00 ) >> 8 ) / 15.0f; + extractComponents[2] = (float)( ( ushort & 0x00F0 ) >> 4 ) / 15.0f; + extractComponents[3] = (float)( ( ushort & 0x000F ) ) / 15.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 15) + 0.5f) << 12) & 0x0000F000 ); + ushort |= (((int)((shoveComponents[1] * 15) + 0.5f) << 8) & 0x00000F00 ); + ushort |= (((int)((shoveComponents[2] * 15) + 0.5f) << 4) & 0x000000F0 ); + ushort |= (((int)((shoveComponents[3] * 15) + 0.5f) ) & 0x0000000F ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract4444rev.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract4444rev.java new file mode 100644 index 000000000..b1bea75e1 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract4444rev.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract4444rev implements Extract { + + /** Creates a new instance of Extract4444rev */ + public Extract4444rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 00000000,00001111 == 0x000F + // 00000000,11110000 == 0x00F0 + // 00001111,00000000 == 0x0F00 + // 11110000,00000000 == 0xF000 + + extractComponents[0] = (float)( ( ushort & 0x000F ) ) / 15.0f; + extractComponents[1] = (float)( ( ushort & 0x00F0 ) >> 4 ) / 15.0f; + extractComponents[2] = (float)( ( ushort & 0x0F00 ) >> 8 ) / 15.0f; + extractComponents[3] = (float)( ( ushort & 0xF000 ) >> 12 ) / 15.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 15) + 0.5f) ) & 0x0000000F ); + ushort |= (((int)((shoveComponents[1] * 15) + 0.5f) << 4) & 0x000000F0 ); + ushort |= (((int)((shoveComponents[2] * 15) + 0.5f) << 8) & 0x00000F00 ); + ushort |= (((int)((shoveComponents[3] * 15) + 0.5f) << 12) & 0x0000F000 ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract5551.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract5551.java new file mode 100644 index 000000000..a6247844f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract5551.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract5551 implements Extract { + + /** Creates a new instance of Extract5551 */ + public Extract5551() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 11111000,00000000 == 0xF800 + // 00000111,11000000 == 0x07C0 + // 00000000,00111110 == 0x003E + // 00000000,00000001 == 0x0001 + + extractComponents[0] = (float)( ( ushort & 0xF800 ) >> 11 ) / 31.0f; + extractComponents[1] = (float)( ( ushort & 0x00F0 ) >> 6 ) / 31.0f; + extractComponents[2] = (float)( ( ushort & 0x0F00 ) >> 1 ) / 31.0f; + extractComponents[3] = (float)( ( ushort & 0xF000 ) ); + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) << 11) & 0x0000F800 ); + ushort |= (((int)((shoveComponents[1] * 31) + 0.5f) << 6) & 0x000007C0 ); + ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) << 1) & 0x0000003E ); + ushort |= (((int)((shoveComponents[3]) + 0.5f)) & 0x00000001 ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract565.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract565.java new file mode 100644 index 000000000..624a4f3f2 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract565.java @@ -0,0 +1,92 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract565 implements Extract { + + /** Creates a new instance of Extract565 */ + public Extract565() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 11111000,00000000 == 0xF800 + // 00000111,11100000 == 0x07E0 + // 00000000,00111111 == 0x001F + + extractComponents[0] = (float)( ( ushort & 0xF800 ) >> 11 ) / 31.0f; + extractComponents[1] = (float)( ( ushort & 0x07E0 ) >> 5 ) / 63.0f; + extractComponents[2] = (float)( ( ushort & 0x001F ) ) / 31.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11111000,00000000 == 0xF800 + // 00000111,11100000 == 0x07E0 + // 00000000,00111111 == 0x001F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) << 11) & 0x0000F800 ); + ushort |= (((int)((shoveComponents[1] * 63) + 0.5f) << 5) & 0x000007E0 ); + ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) ) & 0x0000001F ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract565rev.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract565rev.java new file mode 100644 index 000000000..4ab6d7e98 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract565rev.java @@ -0,0 +1,92 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract565rev implements Extract { + + /** Creates a new instance of Extract565rev */ + public Extract565rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 00000000,00011111 == 0x001F + // 00000111,11100000 == 0x07E0 + // 11111000,00000000 == 0xF800 + + extractComponents[0] = (float)( ( ushort & 0x001F ) ) / 31.0f; + extractComponents[1] = (float)( ( ushort & 0x07E0 ) >> 5 ) / 63.0f; + extractComponents[2] = (float)( ( ushort & 0xF800 ) >> 11 ) / 31.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 00000000,00111111 == 0x001F + // 00000111,11100000 == 0x07E0 + // 11111000,00000000 == 0xF800 + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) ) & 0x0000001F ); + ushort |= (((int)((shoveComponents[1] * 63) + 0.5f) << 5) & 0x000007E0 ); + ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) << 11) & 0x0000F800 ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract8888.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract8888.java new file mode 100644 index 000000000..90d7e57c9 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract8888.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract8888 implements Extract { + + /** Creates a new instance of Extract8888 */ + public Extract8888() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + long uint = 0; + + if( isSwap ) { + uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); + } else { + uint = 0x00000000FFFFFFFF & packedPixel.getInt(); + } + + // 11111000,00000000 == 0xF800 + // 00000111,11000000 == 0x07C0 + // 00000000,00111110 == 0x003E + // 00000000,00000001 == 0x0001 + + extractComponents[0] = (float)( ( uint & 0xFF000000 ) >> 24 ) / 255.0f; + extractComponents[1] = (float)( ( uint & 0x00FF0000 ) >> 16 ) / 255.0f; + extractComponents[2] = (float)( ( uint & 0x0000FF00 ) >> 8 ) / 255.0f; + extractComponents[3] = (float)( ( uint & 0x000000FF ) ) / 255.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + long uint = (((int)((shoveComponents[0] * 255) + 0.5f) << 24) & 0xFF000000 ); + uint |= (((int)((shoveComponents[1] * 255) + 0.5f) << 16) & 0x00FF0000 ); + uint |= (((int)((shoveComponents[2] * 255) + 0.5f) << 8) & 0x0000FF00 ); + uint |= (((int)((shoveComponents[3] * 255) + 0.5f) ) & 0x000000FF ); + packedPixel.asIntBuffer().put( index, (int)uint ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract8888rev.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract8888rev.java new file mode 100644 index 000000000..10970573b --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Extract8888rev.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract8888rev implements Extract { + + /** Creates a new instance of Extract8888rev */ + public Extract8888rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + long uint = 0; + + if( isSwap ) { + uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); + } else { + uint = 0x00000000FFFFFFFF & packedPixel.getInt(); + } + + // 11111000,00000000 == 0xF800 + // 00000111,11000000 == 0x07C0 + // 00000000,00111110 == 0x003E + // 00000000,00000001 == 0x0001 + + extractComponents[0] = (float)( ( uint & 0x000000FF ) ) / 255.0f; + extractComponents[1] = (float)( ( uint & 0x0000FF00 ) >> 8 ) / 255.0f; + extractComponents[2] = (float)( ( uint & 0x00FF0000 ) >> 16 ) / 255.0f; + extractComponents[3] = (float)( ( uint & 0xFF000000 ) >> 24 ) / 255.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + long uint = (((int)((shoveComponents[0] * 255) + 0.5f) ) & 0x000000FF ); + uint |= (((int)((shoveComponents[1] * 255) + 0.5f) << 8) & 0x0000FF00 ); + uint |= (((int)((shoveComponents[2] * 255) + 0.5f) << 16) & 0x00FF0000 ); + uint |= (((int)((shoveComponents[3] * 255) + 0.5f) << 24) & 0xFF000000 ); + packedPixel.asIntBuffer().put( index, (int)uint ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractFloat.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractFloat.java new file mode 100644 index 000000000..c42799470 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractFloat.java @@ -0,0 +1,74 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ExtractFloat implements ExtractPrimitive { + + /** Creates a new instance of ExtractFloat */ + public ExtractFloat() { + } + + public double extract( boolean isSwap, ByteBuffer data ) { + float f = 0; + if( isSwap ) { + f = Mipmap.GLU_SWAP_4_BYTES( data.getInt() ); + } else { + f = data.getInt(); + } + assert( f <= 1.0f ); + return( f ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < 1.0); + data.asFloatBuffer().put( index, (float)value ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractPrimitive.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractPrimitive.java new file mode 100644 index 000000000..8b986d6d0 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractPrimitive.java @@ -0,0 +1,56 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public interface ExtractPrimitive { + public double extract( boolean isSwap, ByteBuffer pointer ); + public void shove( double value, int index, ByteBuffer pointer ); +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSByte.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSByte.java new file mode 100644 index 000000000..4f61015f4 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSByte.java @@ -0,0 +1,69 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class ExtractSByte implements ExtractPrimitive { + + /** Creates a new instance of ExtractUByte */ + public ExtractSByte() { + } + + public double extract( boolean isSwap, ByteBuffer sbyte ) { + byte b = sbyte.get(); + assert( b <= 127 ); + return( b ); + } + + public void shove( double value, int index, ByteBuffer data ) { + data.position( index ); + data.put( (byte)value ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSInt.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSInt.java new file mode 100644 index 000000000..2d5ac5329 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSInt.java @@ -0,0 +1,76 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ExtractSInt implements ExtractPrimitive { + + /** Creates a new instance of ExtractSInt */ + public ExtractSInt() { + } + + public double extract( boolean isSwap, ByteBuffer uint ) { + int i = 0; + if( isSwap ) { + i = Mipmap.GLU_SWAP_4_BYTES( uint.getInt() ); + } else { + i = uint.getInt(); + } + assert( i <= 0x7FFFFFFF ); + return( i ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < Integer.MAX_VALUE); + IntBuffer ib = data.asIntBuffer(); + ib.position( index ); + ib.put( (int)value ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSShort.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSShort.java new file mode 100644 index 000000000..8b8d50cbf --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractSShort.java @@ -0,0 +1,76 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ExtractSShort implements ExtractPrimitive { + + /** Creates a new instance of ExtractSShort */ + public ExtractSShort() { + } + + public double extract( boolean isSwap, ByteBuffer ushort ) { + short s = 0; + if( isSwap ) { + s = Mipmap.GLU_SWAP_2_BYTES( ushort.getShort() ); + } else { + s = ushort.getShort(); + } + assert( s <= 32767 ); + return( s ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < 32768.0); + ShortBuffer sb = data.asShortBuffer(); + sb.position( index ); + sb.put( (short)value ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUByte.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUByte.java new file mode 100644 index 000000000..d33213f89 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUByte.java @@ -0,0 +1,70 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class ExtractUByte implements ExtractPrimitive { + + /** Creates a new instance of ExtractUByte */ + public ExtractUByte() { + } + + public double extract( boolean isSwap, ByteBuffer ubyte ) { + int i = 0x000000FF & ubyte.get(); + assert( i <= 255 ); + return( i ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < 256.0); + data.position( index ); + data.put( (byte)value ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUInt.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUInt.java new file mode 100644 index 000000000..873668a43 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUInt.java @@ -0,0 +1,76 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ExtractUInt implements ExtractPrimitive { + + /** Creates a new instance of ExtractUInt */ + public ExtractUInt() { + } + + public double extract( boolean isSwap, ByteBuffer uint ) { + long i = 0; + if( isSwap ) { + i = 0xFFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( uint.getInt() ); + } else { + i = 0xFFFFFFFF & uint.getInt(); + } + assert( i <= 0xFFFFFFFF ); + return( i ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < 0xFFFFFFFF); + IntBuffer ib = data.asIntBuffer(); + ib.position( index ); + ib.put( (int)value ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUShort.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUShort.java new file mode 100644 index 000000000..86bbb95f1 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ExtractUShort.java @@ -0,0 +1,76 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ExtractUShort implements ExtractPrimitive { + + /** Creates a new instance of ExtracUShort */ + public ExtractUShort() { + } + + public double extract( boolean isSwap, ByteBuffer ushort ) { + int i = 0; + if( isSwap ) { + i = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( ushort.getShort() ); + } else { + i = 0x0000FFFF & ushort.getShort(); + } + assert( i <= 65535 ); + return( i ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < 65536.0); + ShortBuffer sb = data.asShortBuffer(); + sb.position( index ); + sb.put( (short)value ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/HalveImage.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/HalveImage.java new file mode 100644 index 000000000..893d33c66 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/HalveImage.java @@ -0,0 +1,1533 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import javax.media.opengl.GL; +import java.nio.*; + +/** + * + * @author Administrator + */ +public class HalveImage { + + private static final int BOX2 = 2; + private static final int BOX4 = 4; + private static final int BOX8 = 8; + + public static void halveImage( int components, int width, int height, + ShortBuffer datain, ShortBuffer dataout ) { + int i, j, k; + int newwidth, newheight; + int delta; + int t = 0; + short temp = 0; + + newwidth = width / 2; + newheight = height /2; + delta = width * components; + + // Piece of cake + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = datain.get(); + datain.position( t + components ); + temp += datain.get(); + datain.position( t + delta ); + temp += datain.get(); + datain.position( t + delta + components ); + temp +=datain.get(); + temp += 2; + temp /= 4; + dataout.put( temp ); + t++; + } + t += components; + } + t += delta; + } + } + + public static void halveImage_ubyte( int components, int width, int height, + ByteBuffer datain, ByteBuffer dataout, + int element_size, int ysize, int group_size ) { + int i, j, k; + int newwidth, newheight; + int s; + int t; + + // Handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_ubyte( components, width, height, datain, dataout, element_size, ysize, group_size ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + s = 0; + t = 0; + + int temp = 0; + // piece of cake + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = ( 0x000000FF & datain.get() ); + datain.position( t + group_size ); + temp += ( 0x000000FF & datain.get() ); + datain.position( t + ysize ); + temp += ( 0x000000FF & datain.get() ); + datain.position( t + ysize + group_size ); + temp += ( 0x000000FF & datain.get() ) + 2; + dataout.put( (byte)(temp / 4) ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + + public static void halve1Dimage_ubyte( int components, int width, int height, + ByteBuffer datain, ByteBuffer dataout, + int element_size, int ysize, int group_size ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + int temp = 0; + + assert( width == 1 || height == 1 ); // Must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // widthxheight can't be 1x1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + datain.position( src ); + temp = ( 0x000000FF & datain.get() ); + datain.position( src + group_size ); + temp += ( 0x000000FF & datain.get() ); + temp /= 2; + dataout.put( (byte)temp ); + /* + dataout.setByte( (byte)(((0x000000FF & datain.setIndexInBytes(src).getByte()) + + (0x000000FF & datain.setIndexInBytes( src + group_size ).getByte())) / 2 ) ); + */ + src += element_size; + //dataout.plusPlus(); + dest++; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { // 1 column + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + datain.position( src ); + temp = ( 0x000000FF & datain.get() ); + datain.position( src + ysize ); + temp += ( 0x000000FF & datain.get() ); + temp /= 2; + dataout.put( (byte)temp ); + /* + dataout.setByte( (byte)(((0x000000FF & datain.setIndexInBytes(src).getByte()) + + (0x000000FF & datain.setIndexInBytes(src + ysize).getByte()) ) / 2 ) ); + */ + src += element_size; + //dataout.plusPlus(); + dest++; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + } + assert( src == ysize * height ); + assert( dest == components * element_size * halfWidth * halfHeight ); + } + + public static void halveImage_byte( int components, int width, int height, + ByteBuffer datain, ByteBuffer dataout, int element_size, + int ysize, int group_size ) { + int i, j, k; + int newwidth, newheight; + int s = 0; + int t = 0; + byte temp = (byte)0; + + // handle case where there is only 1 column + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); + halve1Dimage_byte( components, width, height, datain, dataout, element_size, + ysize, group_size ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = datain.get(); + datain.position( t + group_size ); + temp += datain.get(); + datain.position( t + ysize ); + temp += datain.get(); + datain.position( t + ysize + group_size ); + temp += datain.get(); + temp += 2; + temp /= 4; + dataout.put( temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + + public static void halve1Dimage_byte( int components, int width, int height, + ByteBuffer datain, ByteBuffer dataout, + int element_size, int ysize, int group_size ) { + int halfWidth = width / 2; + int halfHeight = width / 2; + int src = 0; + int dest = 0; + int jj; + byte temp = (byte)0; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // widthxheight can't be 1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + datain.position( src ); + temp = datain.get(); + datain.position( src + group_size ); + temp += datain.get(); + temp /= 2; + dataout.put( temp ); + src += element_size; + dest++; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assert only + } else if( width == 1 ) { // 1 column + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); // widthxheight can't be 1 + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + datain.position( src ); + temp = datain.get(); + datain.position( src + ysize ); + temp += datain.get(); + temp /= 2; + src += element_size; + dest++; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == components * element_size * halfWidth * halfHeight ); + } + + public static void halveImage_ushort( int components, int width, int height, + ByteBuffer datain, ShortBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int i, j, k, l; + int newwidth, newheight; + int s = 0; + int t = 0; + int temp = 0; + // handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_ushort( components, width, height, datain, dataout, element_size, + ysize, group_size, myswap_bytes ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + // Piece of cake + if( !myswap_bytes ) { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = ( 0x0000FFFF & datain.getShort() ); + datain.position( t + group_size ); + temp += ( 0x0000FFFF & datain.getShort() ); + datain.position( t + ysize ); + temp += ( 0x0000FFFF & datain.getShort() ); + datain.position( t + ysize + group_size ); + temp += ( 0x0000FFFF & datain.getShort() ); + dataout.put( (short)( ( temp + 2 ) / 4 ) ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } else { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + datain.position( t + group_size ); + temp += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + datain.position( t + ysize ); + temp += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + datain.position( t + ysize + group_size ); + temp += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + dataout.put( (short)( ( temp + 2 ) / 4 ) ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + } + + public static void halve1Dimage_ushort( int components, int width, int height, + ByteBuffer datain, ShortBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // widthxheight can't be 1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < halfHeight; kk++ ) { + int[] ushort = new int[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + ushort[0] = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + datain.position( src + group_size ); + ushort[1] = (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + } else { + datain.position( src ); + ushort[0] = (0x0000FFFF & datain.getShort() ); + datain.position( src + group_size ); + ushort[1] = (0x0000FFFF & datain.getShort() ); + } + dataout.put( (short)( (ushort[0] + ushort[1]) / 2 ) ); + src += element_size; + dest += 2; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { // 1 column + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); // widthxheight can't be 1 + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + int[] ushort = new int[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + ushort[0] = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + datain.position( src + ysize ); + ushort[0] = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + } else { + datain.position( src ); + ushort[0] = ( 0x0000FFFF & datain.getShort() ); + datain.position( src + ysize ); + ushort[1] = ( 0x0000FFFF & datain.getShort() ); + } + dataout.put( (short)((ushort[0] + ushort[1]) / 2) ); + src += element_size; + dest += 2; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == components * element_size * halfWidth * halfHeight ); + } + + public static void halveImage_short( int components, int width, int height, + ByteBuffer datain, ShortBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int i, j, k, l; + int newwidth, newheight; + int s = 0; + int t = 0; + short temp = (short)0; + // handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_short( components, width, height, datain, dataout, element_size, + ysize, group_size, myswap_bytes ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + // Piece of cake + if( !myswap_bytes ) { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = datain.getShort(); + datain.position( t + group_size ); + temp += datain.getShort(); + datain.position( t + ysize ); + temp += datain.getShort(); + datain.position( t + ysize + group_size ); + temp += datain.getShort(); + temp += 2; + temp /= 4; + dataout.put( (short)temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } else { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + short b; + int buf; + datain.position( t ); + temp = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + datain.position( t + group_size ); + temp += Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + datain.position( t + ysize ); + temp += Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + datain.position( t + ysize + group_size ); + temp += Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + temp += 2; + temp /= 4; + dataout.put( temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + } + + public static void halve1Dimage_short( int components, int width, int height, + ByteBuffer datain, ShortBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // can't be 1x1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + short[] sshort = new short[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + sshort[0] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + datain.position( src + group_size ); + sshort[1] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + } else { + datain.position( src ); + sshort[0] = datain.getShort(); + datain.position( src + group_size ); + sshort[1] = datain.getShort(); + } + dataout.put( (short)(( sshort[0] + sshort[1] ) / 2) ); + src += element_size; + dest += 2; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + short[] sshort = new short[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + sshort[0] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + datain.position( src + ysize ); + sshort[1] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + } else { + datain.position( src ); + sshort[0] = datain.getShort(); + datain.position( src + ysize ); + sshort[1] = datain.getShort(); + } + dataout.put( (short)(( sshort[0] + sshort[1] ) / 2) ); + src += element_size; + dest += 2; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == ( components * element_size * halfWidth * halfHeight ) ); + } + + public static void halveImage_uint( int components, int width, int height, + ByteBuffer datain, IntBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int i, j, k, l; + int newwidth, newheight; + int s = 0; + int t = 0; + double temp = 0; + + // handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_uint( components, width, height, datain, dataout, element_size, + ysize, group_size, myswap_bytes ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + // Piece of cake + if( !myswap_bytes ) { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = (0x000000007FFFFFFFL & datain.getInt() ); + datain.position( t + group_size ); + temp += (0x000000007FFFFFFFL & datain.getInt() ); + datain.position( t + ysize ); + temp += (0x000000007FFFFFFFL & datain.getInt() ); + datain.position( t + ysize + group_size ); + temp += (0x000000007FFFFFFFL & datain.getInt() ); + dataout.put( (int)( ( temp / 4 ) + 0.5 ) ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } else { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + // need to cast to double to hold large unsigned ints + double buf; + datain.position( t ); + buf = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( t + group_size ); + buf += ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( t + ysize ); + buf += ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( t + ysize + group_size ); + buf += ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + temp /= 4; + temp += 0.5; + dataout.put( (int)temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + } + + public static void halve1Dimage_uint( int components, int width, int height, + ByteBuffer datain, IntBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // widthxheight can't be 1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < halfHeight; kk++ ) { + long[] uint = new long[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( src + group_size ); + uint[1] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + } else { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); + datain.position( src + group_size ); + uint[1] = (0x00000000FFFFFFFF & datain.getInt() ); + } + dataout.put( (int)( ( uint[0] + uint[1] ) / 2.0 ) ); + src += element_size; + dest += 4; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { // 1 column + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); // widthxheight can't be 1 + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + long[] uint = new long[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( src + group_size ); + uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + } else { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); + datain.position( src + ysize ); + uint[1] = ( 0x00000000FFFFFFFF & datain.getInt() ); + } + dataout.put( (int)( ( uint[0] + uint[1] ) / 2.0 ) ); + src += element_size; + dest += 4; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == components * element_size * halfWidth * halfHeight ); + } + + public static void halveImage_int( int components, int width, int height, + ByteBuffer datain, IntBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int i, j, k, l; + int newwidth, newheight; + int s = 0; + int t = 0; + int temp = 0; + + // handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_int( components, width, height, datain, dataout, element_size, + ysize, group_size, myswap_bytes ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + // Piece of cake + if( !myswap_bytes ) { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = datain.getInt(); + datain.position( t + group_size ); + temp += datain.getInt(); + datain.position( t + ysize ); + temp += datain.getInt(); + datain.position( t + ysize + group_size ); + temp += datain.getInt(); + temp = (int)( ( temp / 4.0f ) + 0.5f ); + dataout.put( temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } else { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + long b; + float buf; + datain.position( t ); + b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + buf = b; + datain.position( t + group_size ); + b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + buf += b; + datain.position( t + ysize ); + b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + buf += b; + datain.position( t + ysize + group_size ); + b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + buf += b; + dataout.put( (int)( ( buf / 4.0f ) + 0.5f ) ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + } + + public static void halve1Dimage_int( int components, int width, int height, + ByteBuffer datain, IntBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // can't be 1x1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + long[] uint = new long[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( src + group_size ); + uint[1] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + } else { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); + datain.position( src + group_size ); + uint[1] = ( 0x00000000FFFFFFFF & datain.getInt() ); + } + dataout.put( (int)( ( (float)uint[0] + (float)uint[1] ) / 2.0f) ); + src += element_size; + dest += 4; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + long[] uint = new long[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( src + ysize ); + uint[1] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + } else { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); + datain.position( src + ysize ); + uint[1] = ( 0x00000000FFFFFFFF & datain.getInt() ); + } + dataout.put( (int)(( (float)uint[0] + (float)uint[1] ) / 2.0f) ); + src += element_size; + dest += 4; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == ( components * element_size * halfWidth * halfHeight ) ); + } + + public static void halveImage_float( int components, int width, int height, + ByteBuffer datain, FloatBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int i, j, k, l; + int newwidth, newheight; + int s = 0; + int t = 0; + float temp = 0.0f; + // handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_float( components, width, height, datain, dataout, element_size, + ysize, group_size, myswap_bytes ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + // Piece of cake + if( !myswap_bytes ) { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = datain.getFloat(); + datain.position( t + group_size ); + temp += datain.getFloat(); + datain.position( t + ysize ); + temp += datain.getFloat(); + datain.position( t + ysize + group_size ); + temp /= 4.0f; + dataout.put( temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } else { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + float buf; + datain.position( t ); + buf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + datain.position( t + group_size ); + buf += Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + datain.position( t + ysize ); + buf += Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + datain.position( t + ysize + group_size ); + buf += Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + dataout.put( buf / 4.0f ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + } + + public static void halve1Dimage_float( int components, int width, int height, + ByteBuffer datain, FloatBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // can't be 1x1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + float[] sfloat = new float[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + sfloat[0] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + datain.position( src + group_size ); + sfloat[1] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + } else { + datain.position( src ); + sfloat[0] = datain.getFloat(); + datain.position( src + group_size ); + sfloat[1] = datain.getFloat(); + } + dataout.put( (sfloat[0] + sfloat[1]) / 2.0f ); + src += element_size; + dest += 4; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + float[] sfloat = new float[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + sfloat[0] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + datain.position( src + ysize ); + sfloat[1] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + } else { + datain.position( src ); + sfloat[0] = datain.getFloat(); + datain.position( src + ysize ); + sfloat[1] = datain.getFloat(); + } + dataout.put( ( sfloat[0] + sfloat[1] ) / 2.0f ); + src += element_size; + dest += 4; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == ( components * element_size * halfWidth * halfHeight ) ); + } + + public static void halveImagePackedPixel( int components, Extract extract, int width, + int height, ByteBuffer datain, ByteBuffer dataout, + int pixelSizeInBytes, int rowSizeInBytes, boolean isSwap ) { + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); + halve1DimagePackedPixel( components, extract, width, height, datain, dataout, + pixelSizeInBytes, rowSizeInBytes, isSwap ); + return; + } + int ii, jj; + + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); + int outIndex = 0; + + for( ii = 0; ii < halfHeight; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + float totals[] = new float[4]; + float extractTotals[][] = new float[BOX4][4]; + int cc; + + datain.position( src ); + extract.extract( isSwap, datain, extractTotals[0] ); + datain.position( src + pixelSizeInBytes ); + extract.extract( isSwap, datain, extractTotals[1] ); + datain.position( src + rowSizeInBytes ); + extract.extract( isSwap, datain, extractTotals[2] ); + datain.position( src + rowSizeInBytes + pixelSizeInBytes ); + extract.extract( isSwap, datain, extractTotals[3] ); + for( cc = 0; cc < components; cc++ ) { + int kk = 0; + // grab 4 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX4; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= BOX4; + } + extract.shove( totals, outIndex, dataout ); + outIndex++; + src += pixelSizeInBytes + pixelSizeInBytes; + } + // skip past pad bytes, if any, to get to next row + src += padBytes; + src += rowSizeInBytes; + } + assert( src == rowSizeInBytes * height ); + assert( outIndex == halfWidth * halfHeight ); + } + + public static void halve1DimagePackedPixel( int components, Extract extract, int width, + int height, ByteBuffer datain, ByteBuffer dataout, + int pixelSizeInBytes, int rowSizeInBytes, boolean isSwap ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int jj; + + assert( width == 1 || height == 1 ); + assert( width != height ); + + if( height == 1 ) { + int outIndex = 0; + + assert( width != 1 ); + halfHeight = 1; + + // one horizontal row with possible pad bytes + + for( jj = 0; jj < halfWidth; jj++ ) { + float[] totals = new float[4]; + float[][] extractTotals = new float[BOX2][4]; + int cc; + + datain.position( src ); + extract.extract( isSwap, datain, extractTotals[0] ); + datain.position( src + pixelSizeInBytes ); + extract.extract( isSwap, datain, extractTotals[1] ); + for( cc = 0; cc < components; cc++ ) { + int kk = 0; + // grab 4 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX2; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= BOX2; + } + extract.shove( totals, outIndex, dataout ); + outIndex++; + // skip over to next group of 2 + src += pixelSizeInBytes + pixelSizeInBytes; + } + int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); + src += padBytes; + + assert( src == rowSizeInBytes ); + assert( outIndex == halfWidth * halfHeight ); + } else if( width == 1 ) { + int outIndex = 0; + + assert( height != 1 ); + halfWidth = 1; + // one vertical volumn with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + float[] totals = new float[4]; + float[][] extractTotals = new float[BOX2][4]; + int cc; + // average two at a time, instead of four + datain.position( src ); + extract.extract( isSwap, datain, extractTotals[0] ); + datain.position( src + rowSizeInBytes ); + extract.extract( isSwap, datain, extractTotals[1] ); + for( cc = 0; cc < components; cc++ ) { + int kk = 0; + // grab 4 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX2; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= BOX2; + } + extract.shove( totals, outIndex, dataout ); + outIndex++; + // skip over to next group of 2 + src += rowSizeInBytes + rowSizeInBytes; + } + assert( src == rowSizeInBytes ); + assert( outIndex == halfWidth * halfHeight ); + } + } + + public static void halveImagePackedPixelSlice( int components, Extract extract, + int width, int height, int depth, ByteBuffer dataIn, + ByteBuffer dataOut, int pixelSizeInBytes, int rowSizeInBytes, + int imageSizeInBytes, boolean isSwap ) { + int ii, jj; + int halfWidth = width / 2; + int halfHeight = height / 2; + int halfDepth = depth / 2; + int src = 0; + int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); + int outIndex = 0; + + assert( (width == 1 || height == 1) && depth >= 2 ); + + if( width == height ) { + assert( width == 1 && height == 1 ); + assert( depth >= 2 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + float totals[] = new float[4]; + float extractTotals[][] = new float[BOX2][4]; + int cc; + + dataIn.position( src ); + extract.extract( isSwap, dataIn, extractTotals[0] ); + dataIn.position( src + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[1] ); + + for( cc = 0; cc < components; cc++ ) { + int kk; + + // average only 2 pixels since a column + totals[cc]= 0.0f; + for( kk = 0; kk < BOX2; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= BOX2; + } // for cc + + extract.shove( totals, outIndex, dataOut ); + outIndex++; + // skip over to next group of 2 + src += imageSizeInBytes + imageSizeInBytes; + } // for ii + } else if( height == 1 ) { + assert( width != 1 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + float totals[] = new float[4]; + float extractTotals[][] = new float[BOX4][4]; + int cc; + + dataIn.position( src ); + extract.extract( isSwap, dataIn, extractTotals[0] ); + dataIn.position( src + pixelSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[1] ); + dataIn.position( src + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[2] ); + dataIn.position( src + pixelSizeInBytes + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[3] ); + + for( cc = 0; cc < components; cc++ ) { + int kk; + + // grab 4 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX4; kk++ ) { + totals[cc]+= extractTotals[kk][cc]; + } + totals[cc]/= (float)BOX4; + } + extract.shove( totals, outIndex, dataOut ); + outIndex++; + // skip over to next horizontal square of 4 + src += imageSizeInBytes + imageSizeInBytes; + } + } + } else if( width == 1 ) { + assert( height != 1 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + float totals[] = new float[4]; + float extractTotals[][] = new float[BOX4][4]; + int cc; + + dataIn.position( src ); + extract.extract( isSwap, dataIn, extractTotals[0] ); + dataIn.position( src + rowSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[1] ); + dataIn.position( src + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[2] ); + dataIn.position( src + rowSizeInBytes + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[3] ); + + for( cc = 0; cc < components; cc++ ) { + int kk; + + // grab 4 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX4; kk++ ) { + totals[cc]+= extractTotals[kk][cc]; + } + totals[cc]/= (float)BOX4; + } + extract.shove( totals, outIndex, dataOut ); + outIndex++; + // skip over to next horizontal square of 4 + src += imageSizeInBytes + imageSizeInBytes; + } + } + } + } + + public static void halveImageSlice( int components, ExtractPrimitive extract, int width, + int height, int depth, ByteBuffer dataIn, ByteBuffer dataOut, + int elementSizeInBytes, int groupSizeInBytes, int rowSizeInBytes, + int imageSizeInBytes, boolean isSwap ) { + int ii, jj; + int halfWidth = width / 2; + int halfHeight = height / 2; + int halfDepth = depth / 2; + int src = 0; + int padBytes = rowSizeInBytes - ( width * groupSizeInBytes ); + int outIndex = 0; + + assert( (width == 1 || height == 1) && depth >= 2 ); + + if( width == height ) { + assert( width == 1 && height == 1 ); + assert( depth >= 2 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + int cc; + for( cc = 0; cc < components; cc++ ) { + double[] totals = new double[4]; + double[][] extractTotals = new double[BOX2][4]; + int kk; + + dataIn.position( src ); + extractTotals[0][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes ); + extractTotals[1][cc] = extract.extract( isSwap, dataIn ); + + // average 2 pixels since only a column + totals[cc] = 0.0f; + // totals[red] = extractTotals[0][red] + extractTotals[1][red]; + // totals[red] = red / 2; + for( kk = 0; kk < BOX2; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= (double)BOX2; + + extract.shove( totals[cc], outIndex, dataOut ); + outIndex++; + src += elementSizeInBytes; + } // for cc + // skip over next group of 2 + src += rowSizeInBytes; + } // for ii + + assert( src == rowSizeInBytes * height * depth ); + assert( outIndex == halfDepth * components ); + } else if( height == 1 ) { + assert( width != 1 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + int cc; + for( cc = 0; cc < components; cc++ ) { + int kk; + double totals[] = new double[4]; + double extractTotals[][] = new double[BOX4][4]; + + dataIn.position( src ); + extractTotals[0][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + groupSizeInBytes ); + extractTotals[1][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes ); + extractTotals[2][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes + groupSizeInBytes ); + extractTotals[3][cc] = extract.extract( isSwap, dataIn ); + + // grab 4 pixels to average + totals[cc] = 0.0f; + // totals[red] = extractTotals[0][red] + extractTotals[1][red] + + // extractTotals[2][red] + extractTotals[3][red]; + // totals[red] /= (double)BOX4; + for( kk = 0; kk < BOX4; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= (double)BOX4; + + extract.shove( totals[cc], outIndex, dataOut ); + outIndex++; + src += elementSizeInBytes; + } // for cc + // skip over to next horizontal square of 4 + src += elementSizeInBytes; + } // for jj + src += padBytes; + src += rowSizeInBytes; + } // for ii + assert( src == rowSizeInBytes * height * depth ); + assert( outIndex == halfWidth * halfDepth * components ); + } else if( width == 1 ) { + assert( height != 1 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + for( jj = 0; jj < halfHeight; jj++ ) { + int cc; + for( cc = 0; cc < components; cc++ ) { + int kk; + double totals[] = new double[4]; + double extractTotals[][] = new double[BOX4][4]; + + dataIn.position( src ); + extractTotals[0][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + rowSizeInBytes ); + extractTotals[1][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes ); + extractTotals[2][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes + groupSizeInBytes ); + extractTotals[3][cc] = extract.extract( isSwap, dataIn ); + + + // grab 4 pixels to average + totals[cc] = 0.0f; + // totals[red] = extractTotals[0][red] + extractTotals[1][red] + + // extractTotals[2][red] + extractTotals[3][red]; + // totals[red] /= (double)BOX4; + for( kk = 0; kk < BOX4; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= (double)BOX4; + + extract.shove( totals[cc], outIndex, dataOut ); + outIndex++; + src += elementSizeInBytes; + } // for cc + // skip over to next horizontal square of 4 + src += padBytes; + src += rowSizeInBytes; + } // for jj + src += imageSizeInBytes; + } // for ii + assert( src == rowSizeInBytes * height * depth ); + assert( outIndex == halfWidth * halfDepth * components ); + } + } + + public static void halveImage3D( int components, ExtractPrimitive extract, + int width, int height, int depth, ByteBuffer dataIn, ByteBuffer dataOut, + int elementSizeInBytes, int groupSizeInBytes, int rowSizeInBytes, + int imageSizeInBytes, boolean isSwap ) { + assert( depth > 1 ); + + // horizontal/vertical/onecolumn slice viewed from top + if( width == 1 || height == 1 ) { + assert( 1 <= depth ); + + halveImageSlice( components, extract, width, height, depth, dataIn, dataOut, + elementSizeInBytes, groupSizeInBytes, rowSizeInBytes, imageSizeInBytes, + isSwap ); + return; + } + + int ii, jj, dd; + + int halfWidth = width / 2; + int halfHeight = height / 2; + int halfDepth = depth / 2; + int src = 0; + int padBytes = rowSizeInBytes - ( width * groupSizeInBytes ); + int outIndex = 0; + + for( dd = 0; dd < halfDepth; dd++ ) { + for( ii = 0; ii < halfHeight; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + int cc; + for( cc = 0; cc < components; cc++ ) { + int kk; + double totals[] = new double[4]; + double extractTotals[][] = new double[BOX8][4]; + + dataIn.position( src ); + extractTotals[0][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + groupSizeInBytes ); + extractTotals[1][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + rowSizeInBytes ); + extractTotals[2][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + rowSizeInBytes + groupSizeInBytes ); + extractTotals[3][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes ); + extractTotals[4][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + groupSizeInBytes + imageSizeInBytes ); + extractTotals[5][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + rowSizeInBytes + imageSizeInBytes ); + extractTotals[6][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + rowSizeInBytes + imageSizeInBytes + groupSizeInBytes ); + extractTotals[7][cc] = extract.extract( isSwap, dataIn ); + + totals[cc] = 0.0f; + + for( kk = 0; kk < BOX8; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= (double)BOX8; + + extract.shove( totals[cc], outIndex, dataOut ); + outIndex++; + + src += elementSizeInBytes; + } // for cc + // skip over to next square of 4 + src += groupSizeInBytes; + } // for jj + // skip past pad bytes, if any, to get to next row + src += padBytes; + src += rowSizeInBytes; + } // for ii + src += imageSizeInBytes; + } // for dd + assert( src == rowSizeInBytes * height * depth ); + assert( outIndex == halfWidth * halfHeight * halfDepth * components ); + } + + public static void halveImagePackedPixel3D( int components, Extract extract, + int width, int height, int depth, ByteBuffer dataIn, + ByteBuffer dataOut, int pixelSizeInBytes, int rowSizeInBytes, + int imageSizeInBytes, boolean isSwap ) { + if( depth == 1 ) { + assert( 1 <= width && 1 <= height ); + + halveImagePackedPixel( components, extract, width, height, dataIn, dataOut, + pixelSizeInBytes, rowSizeInBytes, isSwap ); + return; + } else if( width == 1 || height == 1 ) { // a horizontal or vertical slice viewed from top + assert( 1 <= depth ); + + halveImagePackedPixelSlice( components, extract, width, height, depth, dataIn, + dataOut, pixelSizeInBytes, rowSizeInBytes, imageSizeInBytes, isSwap ); + return; + } + int ii, jj, dd; + + int halfWidth = width / 2; + int halfHeight = height / 2; + int halfDepth = depth / 2; + int src = 0; + int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); + int outIndex = 0; + + for( dd = 0; dd < halfDepth; dd++ ) { + for( ii = 0; ii < halfHeight; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + float totals[] = new float[4]; // 4 is max components + float extractTotals[][] = new float[BOX8][4]; + int cc; + + dataIn.position( src ); + extract.extract( isSwap, dataIn, extractTotals[0] ); + dataIn.position( src + pixelSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[1] ); + dataIn.position( src + rowSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[2] ); + dataIn.position( src + rowSizeInBytes + pixelSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[3] ); + dataIn.position( src + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[4] ); + dataIn.position( src + pixelSizeInBytes + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[5] ); + dataIn.position( src + rowSizeInBytes + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[6] ); + dataIn.position( src + rowSizeInBytes + pixelSizeInBytes + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[7] ); + + for( cc = 0; cc < components; cc++ ) { + int kk; + // grab 8 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX8; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= (float)BOX8; + } + extract.shove( totals, outIndex, dataOut ); + outIndex++; + // skip over to next square of 4 + src += pixelSizeInBytes + pixelSizeInBytes; + } + // skip past pad bytes, if any, to get to next row + src += padBytes; + src += rowSizeInBytes; + } + src += imageSizeInBytes; + } + assert( src == rowSizeInBytes * height * depth ); + assert( outIndex == halfWidth * halfHeight * halfDepth ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Image.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Image.java new file mode 100644 index 000000000..b2aaad2f7 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Image.java @@ -0,0 +1,1413 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Image { + + /** Creates a new instance of Image */ + public Image() { + } + + public static short getShortFromByteArray( byte[] array, int index ) { + short s; + s = (short)(array[index] << 8 ); + s |= (short)(0x00FF & array[index+1]); + return( s ); + } + + public static int getIntFromByteArray( byte[] array, int index ) { + int i; + i = ( array[index] << 24 ) & 0xFF000000; + i |= ( array[index+1] << 16 ) & 0x00FF0000; + i |= ( array[index+2] << 8 ) & 0x0000FF00; + i |= ( array[index+3] ) & 0x000000FF; + return( i ); + } + + public static float getFloatFromByteArray( byte[] array, int index ) { + int i = getIntFromByteArray( array, index ); + return( Float.intBitsToFloat(i) ); + } + + /* + * Extract array from user's data applying all pixel store modes. + * The internal format used is an array of unsigned shorts. + */ + public static void fill_image( PixelStorageModes psm, int width, int height, + int format, int type, boolean index_format, ByteBuffer userdata, + ShortBuffer newimage ) { + int components; + int element_size; + int rowsize; + int padding; + int groups_per_line; + int group_size; + int elements_per_line; + int start; + int iter = 0; + int iter2; + int i, j, k; + boolean myswap_bytes; + + // Create a Extract interface object + Extract extract = null; + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + extract = new Extract332(); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + extract = new Extract233rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + extract = new Extract565(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + extract = new Extract565rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + extract = new Extract4444(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + extract = new Extract4444rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + extract = new Extract5551(); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + extract = new Extract1555rev(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + extract = new Extract8888(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + extract = new Extract8888rev(); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + extract = new Extract1010102(); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract = new Extract2101010rev(); + break; + } + + myswap_bytes = psm.getUnpackSwapBytes(); + components = Mipmap.elements_per_group( format, type ); + if( psm.getUnpackRowLength() > 0 ) { + groups_per_line = psm.getUnpackRowLength(); + } else { + groups_per_line = width; + } + + // All formats except GL_BITMAP fall out trivially + if( type == GL2.GL_BITMAP ) { + int bit_offset; + int current_bit; + + rowsize = ( groups_per_line * components + 7 ) / 8; + padding = ( rowsize % psm.getUnpackAlignment() ); + if( padding != 0 ) { + rowsize += psm.getUnpackAlignment() - padding; + } + start = psm.getUnpackSkipRows() * rowsize + ( psm.getUnpackSkipPixels() * components / 8 ); + elements_per_line = width * components; + iter2 = 0; + for( i = 0; i < height; i++ ) { + iter = start; + userdata.position( iter ); // **************************************** + bit_offset = (psm.getUnpackSkipPixels() * components) % 8; + for( j = 0; j < elements_per_line; j++ ) { + // retrieve bit + if( psm.getUnpackLsbFirst() ) { + userdata.position( iter ); + current_bit = ( userdata.get() & 0x000000FF ) & ( 1 << bit_offset );//userdata[iter] & ( 1 << bit_offset ); + } else { + current_bit = ( userdata.get() & 0x000000FF ) & ( 1 << ( 7 - bit_offset ) ); + } + if( current_bit != 0 ) { + if( index_format ) { + newimage.position( iter2 ); + newimage.put( (short)1 ); + } else { + newimage.position( iter2 ); + newimage.put( (short)65535 ); + } + } else { + newimage.position( iter2 ); + newimage.put( (short)0 ); + } + bit_offset++; + if( bit_offset == 8 ) { + bit_offset = 0; + iter++; + } + iter2++; + } + start += rowsize; + } + } else { + element_size = Mipmap.bytes_per_element( type ); + group_size = element_size * components; + if( element_size == 1 ) { + myswap_bytes = false; + } + + rowsize = groups_per_line * group_size; + padding = ( rowsize % psm.getUnpackAlignment() ); + if( padding != 0 ) { + rowsize += psm.getUnpackAlignment() - padding; + } + start = psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * group_size; + elements_per_line = width * components; + + iter2 = 0; + for( i = 0; i < height; i++ ) { + iter = start; + userdata.position( iter ); //*************************************** + for( j = 0; j < elements_per_line; j++ ) { + Type_Widget widget = new Type_Widget(); + float[] extractComponents = new float[4]; + userdata.position( iter ); + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + extract.extract( false, userdata /*userdata[iter]*/, extractComponents ); + for( k = 0; k < 3; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + extract.extract( false, userdata /*userdata[iter]*/, extractComponents ); + for( k = 0; k < 3; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_BYTE ): + if( index_format ) { + newimage.put( iter2++, (short)( 0x000000FF & userdata.get() ) );//userdata[iter]; + } else { + newimage.put( iter2++, (short)( 0x000000FF & userdata.get()/*userdata[iter]*/ * 257 ) ); + } + break; + case( GL2.GL_BYTE ): + if( index_format ) { + newimage.put( iter2++, userdata.get() ); //userdata[iter]; + } else { + newimage.put( iter2++, (short)(userdata.get()/*userdata[iter]*/ * 516 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + extract.extract( myswap_bytes, userdata/*userdata[iter]*/, extractComponents ); + for( k = 0; k < 3; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 3; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + if( myswap_bytes ) { + widget.setUB1( userdata.get() ); + widget.setUB0( userdata.get() ); + } else { + widget.setUB0( userdata.get() ); + widget.setUB1( userdata.get() ); + } + if( type == GL2.GL_SHORT ) { + if( index_format ) { + newimage.put( iter2++, widget.getS0() ); + } else { + newimage.put( iter2++, (short)(widget.getS0() * 2) ); + } + } else { + newimage.put( iter2++, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_FLOAT ): + if( myswap_bytes ) { + widget.setUB3( userdata.get() ); + widget.setUB2( userdata.get() ); + widget.setUB1( userdata.get() ); + widget.setUB0( userdata.get() ); + } else { + widget.setUB0( userdata.get() ); + widget.setUB1( userdata.get() ); + widget.setUB2( userdata.get() ); + widget.setUB3( userdata.get() ); + } + if( type == GL2.GL_FLOAT ) { + if( index_format ) { + newimage.put( iter2++, (short)widget.getF() ); + } else { + newimage.put( iter2++, (short)(widget.getF() * 65535 ) ); + } + } else if( type == GL2.GL_UNSIGNED_INT ) { + if( index_format ) { + newimage.put( iter2++, (short)( widget.getUI() ) ); + } else { + newimage.put( iter2++, (short)( widget.getUI() >> 16 ) ); + } + } else { + if( index_format ) { + newimage.put( iter2++, (short)( widget.getI() ) ); + } else { + newimage.put( iter2++, (short)( widget.getI() >> 15 ) ); + } + } + break; + } + iter += element_size; + } // for j + start += rowsize; + // want iter pointing at start, not within, row for assertion purposes + iter = start; + } // for i + + // iterators should be one byte past end + if( !Mipmap.isTypePackedPixel( type ) ) { + assert( iter2 == ( width * height * components ) ); + } else { + assert( iter2 == ( width * height * Mipmap.elements_per_group( format, 0 ) ) ); + } + assert( iter == ( rowsize * height + psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * group_size ) ); + } + } + + /* + * Insert array into user's data applying all pixel store modes. + * Theinternal format is an array of unsigned shorts. + * empty_image() because it is the opposet of fill_image(). + */ + public static void empty_image( PixelStorageModes psm, int width, int height, + int format, int type, boolean index_format, + ShortBuffer oldimage, ByteBuffer userdata ) { + + int components; + int element_size; + int rowsize; + int padding; + int groups_per_line; + int group_size; + int elements_per_line; + int start; + int iter = 0; + int iter2; + int i, j, k; + boolean myswap_bytes; + + // Create a Extract interface object + Extract extract = null; + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + extract = new Extract332(); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + extract = new Extract233rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + extract = new Extract565(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + extract = new Extract565rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + extract = new Extract4444(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + extract = new Extract4444rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + extract = new Extract5551(); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + extract = new Extract1555rev(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + extract = new Extract8888(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + extract = new Extract8888rev(); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + extract = new Extract1010102(); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract = new Extract2101010rev(); + break; + } + + myswap_bytes = psm.getPackSwapBytes(); + components = Mipmap.elements_per_group( format, type ); + if( psm.getPackRowLength() > 0 ) { + groups_per_line = psm.getPackRowLength(); + } else { + groups_per_line = width; + } + + // all formats except GL_BITMAP fall out trivially + if( type == GL2.GL_BITMAP ) { + int bit_offset; + int current_bit; + + rowsize = ( groups_per_line * components + 7 ) / 8; + padding = ( rowsize % psm.getPackAlignment() ); + if( padding != 0 ) { + rowsize += psm.getPackAlignment() - padding; + } + start = psm.getPackSkipRows() * rowsize + psm.getPackSkipPixels() * components / 8; + elements_per_line = width * components; + iter2 = 0; + for( i = 0; i < height; i++ ) { + iter = start; + bit_offset = ( psm.getPackSkipPixels() * components ) % 8; + for( j = 0; j < elements_per_line; j++ ) { + if( index_format ) { + current_bit = oldimage.get( iter2 ) & 1; + } else { + if( oldimage.get( iter2 ) < 0 ) { // must check for negative rather than 32767 + current_bit = 1; + } else { + current_bit = 0; + } + } + + if( current_bit != 0 ) { + if( psm.getPackLsbFirst() ) { + userdata.put( iter, (byte)( ( userdata.get( iter ) | ( 1 << bit_offset ) ) ) ); + } else { + userdata.put( iter, (byte)( ( userdata.get( iter ) | ( 7 - bit_offset ) ) ) ); + } + } else { + if( psm.getPackLsbFirst() ) { + //userdata[iter] &= ~( 1 << bit_offset ); + userdata.put( iter, (byte)( ( userdata.get( iter ) & ~( 1 << bit_offset ) ) ) ); + } else { + //userdata[iter] &= ~( 1 << ( 7 - bit_offset ) ); + userdata.put( iter, (byte)( ( userdata.get( iter ) & ~( 7 - bit_offset ) ) ) ); + } + } + + bit_offset++; + if( bit_offset == 8 ) { + bit_offset = 0; + iter++; + } + iter2++; + } + start += rowsize; + } + } else { + float shoveComponents[] = new float[4]; + + element_size = Mipmap.bytes_per_element( type ); + group_size = element_size * components; + if( element_size == 1 ) { + myswap_bytes = false; + } + + rowsize = groups_per_line * group_size; + padding = ( rowsize % psm.getPackAlignment() ); + if( padding != 0 ) { + rowsize += psm.getPackAlignment() - padding; + } + start = psm.getPackSkipRows() * rowsize + psm.getPackSkipPixels() * group_size; + elements_per_line = width * components; + + iter2 = 0; + for( i = 0; i < height; i++ ) { + iter = start; + for( j = 0; j < elements_per_line; j++ ) { + Type_Widget widget = new Type_Widget(); + + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, userdata ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; + } + extract.shove( shoveComponents, 0, userdata ); + break; + case( GL2.GL_UNSIGNED_BYTE ): + if( index_format ) { + //userdata[iter] = (byte)oldimage[iter2++]; + userdata.put( iter, (byte)oldimage.get(iter2++) ); + } else { + //userdata[iter] = (byte)( oldimage[iter2++] >> 8 ); + userdata.put( iter, (byte)( oldimage.get(iter2++) ) ); + } + break; + case( GL2.GL_BYTE ): + if( index_format ) { + //userdata[iter] = (byte)oldimage[iter2++]; + userdata.put( iter, (byte)oldimage.get(iter2++) ); + } else { + //userdata[iter] = (byte)( oldimage[iter2++] >> 9 ); + userdata.put( iter, (byte)( oldimage.get(iter2++) ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1,widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + if( type == GL2.GL_SHORT ) { + if( index_format ) { + widget.setS0( oldimage.get( iter2++ ) ); + } else { + widget.setS0( (short)(oldimage.get( iter2++ ) >> 1) ); + } + } else { + widget.setUS0( oldimage.get( iter2++ ) ); + } + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter+3] = widget.getUB0(); + //userdata[iter+2] = widget.getUB1(); + //userdata[iter+1] = widget.getUB2(); + //userdata[iter ] = widget.getUB3(); + userdata.put( iter + 3, widget.getUB0() ); + userdata.put( iter + 2, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB2() ); + userdata.put( iter , widget.getUB3() ); + } else { + userdata.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter+3] = widget.getUB0(); + //userdata[iter+2] = widget.getUB1(); + //userdata[iter+1] = widget.getUB2(); + //userdata[iter ] = widget.getUB3(); + userdata.put( iter + 3, widget.getUB0() ); + userdata.put( iter + 2, widget.getUB1() ); + userdata.put( iter + 2, widget.getUB2() ); + userdata.put( iter , widget.getUB3() ); + } else { + userdata.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter+3] = widget.getUB0(); + //userdata[iter+2] = widget.getUB1(); + //userdata[iter+1] = widget.getUB2(); + //userdata[iter ] = widget.getUB3(); + userdata.put( iter + 3, widget.getUB0() ); + userdata.put( iter + 2, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB2() ); + userdata.put( iter , widget.getUB3() ); + } else { + userdata.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter+3] = widget.getUB0(); + //userdata[iter+2] = widget.getUB1(); + //userdata[iter+1] = widget.getUB2(); + //userdata[iter ] = widget.getUB3(); + userdata.put( iter + 3, widget.getUB0() ); + userdata.put( iter + 2, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB2() ); + userdata.put( iter , widget.getUB3() ); + } else { + userdata.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_FLOAT ): + if( type == GL2.GL_FLOAT ) { + if( index_format ) { + widget.setF( oldimage.get( iter2++ ) ); + } else { + widget.setF( oldimage.get( iter2++ ) / 65535.0f ); + } + } else if( type == GL2.GL_UNSIGNED_INT ) { + if( index_format ) { + widget.setUI( oldimage.get( iter2++ ) ); + } else { + widget.setUI( oldimage.get( iter2++ ) * 65537 ); + } + } else { + if( index_format ) { + widget.setI( oldimage.get( iter2++ ) ); + } else { + widget.setI( (oldimage.get( iter2++ ) * 65537) / 2 ); + } + } + if( myswap_bytes ) { + userdata.put( iter + 3, widget.getUB0() ); + userdata.put( iter + 2, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB2() ); + userdata.put( iter , widget.getUB3() ); + } else { + userdata.put( iter , widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + userdata.put( iter + 2, widget.getUB2() ); + userdata.put( iter + 3, widget.getUB3() ); + } + break; + } + iter += element_size; + } // for j + start += rowsize; + // want iter pointing at start, not within, row for assertion purposes + iter = start; + } // for i + // iterators should be one byte past end + if( !Mipmap.isTypePackedPixel( type ) ) { + assert( iter2 == width * height * components ); + } else { + assert( iter2 == width * height * Mipmap.elements_per_group( format, 0 ) ); + } + assert( iter == rowsize * height + psm.getPackSkipRows() * rowsize + psm.getPackSkipPixels() * group_size ); + } + } + + public static void fillImage3D( PixelStorageModes psm, int width, int height, + int depth, int format, int type, boolean indexFormat, ByteBuffer userImage, + ShortBuffer newImage ) { + boolean myswapBytes; + int components; + int groupsPerLine; + int elementSize; + int groupSize; + int rowSize; + int padding; + int elementsPerLine; + int rowsPerImage; + int imageSize; + int start, rowStart; + int iter = 0; + int iter2 = 0; + int ww, hh, dd, k; + Type_Widget widget = new Type_Widget(); + float extractComponents[] = new float[4]; + + // Create a Extract interface object + Extract extract = null; + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + extract = new Extract332(); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + extract = new Extract233rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + extract = new Extract565(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + extract = new Extract565rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + extract = new Extract4444(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + extract = new Extract4444rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + extract = new Extract5551(); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + extract = new Extract1555rev(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + extract = new Extract8888(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + extract = new Extract8888rev(); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + extract = new Extract1010102(); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract = new Extract2101010rev(); + break; + } + + myswapBytes = psm.getUnpackSwapBytes(); + components = Mipmap.elements_per_group( format, type ); + if( psm.getUnpackRowLength() > 0 ) { + groupsPerLine = psm.getUnpackRowLength(); + } else { + groupsPerLine = width; + } + elementSize = Mipmap.bytes_per_element( type ); + groupSize = elementSize * components; + if( elementSize == 1 ) { + myswapBytes = false; + } + + // 3dstuff begin + if( psm.getUnpackImageHeight() > 0 ) { + rowsPerImage = psm.getUnpackImageHeight(); + } else { + rowsPerImage = height; + } + // 3dstuff end + + rowSize = groupsPerLine * groupSize; + padding = rowSize % psm.getUnpackAlignment(); + if( padding != 0 ) { + rowSize += psm.getUnpackAlignment() - padding; + } + + imageSize = rowsPerImage * rowSize; // 3dstuff + + start = psm.getUnpackSkipRows() * rowSize + + psm.getUnpackSkipPixels() * groupSize + + psm.getUnpackSkipImages() * imageSize; + elementsPerLine = width * components; + + iter2 = 0; + for( dd = 0; dd < depth; dd++ ) { + rowStart = start; + for( hh = 0; hh < height; hh++ ) { + iter = rowStart; + for( ww = 0; ww < elementsPerLine; ww++ ) { + + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + if( indexFormat ) { + newImage.put( iter2++, (short)(0x000000FF & userImage.get( iter ) ) ); + } else { + newImage.put( iter2++, (short)((0x000000FF & userImage.get( iter ) ) * 257 ) ); + } + break; + case( GL2.GL_BYTE ): + if( indexFormat ) { + newImage.put( iter2++, userImage.get( iter ) ); + } else { + newImage.put( iter2++, (short)(userImage.get( iter ) * 516 ) ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + userImage.position( iter ); + extract.extract( false, userImage, extractComponents ); + for( k = 0; k < 3; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + userImage.position( iter ); + extract.extract( false, userImage, extractComponents ); + for( k = 0; k < 3; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + if( myswapBytes ) { + widget.setUB0( userImage.get( iter + 1 ) ); + widget.setUB1( userImage.get( iter ) ); + } else { + widget.setUB0( userImage.get( iter ) ); + widget.setUB1( userImage.get( iter + 1 ) ); + } + if( type == GL2.GL_SHORT ) { + if( indexFormat ) { + newImage.put( iter2++, widget.getUS0() ); + } else { + newImage.put( iter2++, (short)(widget.getUS0() * 2) ); + } + } else { + newImage.put( iter2++, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_FLOAT ): + if( myswapBytes ) { + widget.setUB0( userImage.get( iter + 3 ) ); + widget.setUB1( userImage.get( iter + 2 ) ); + widget.setUB2( userImage.get( iter + 1 ) ); + widget.setUB3( userImage.get( iter ) ); + } else { + widget.setUB0( userImage.get( iter ) ); + widget.setUB1( userImage.get( iter + 1 ) ); + widget.setUB2( userImage.get( iter + 2 ) ); + widget.setUB3( userImage.get( iter + 3 ) ); + } + if( type == GL2.GL_FLOAT ) { + if( indexFormat ) { + newImage.put( iter2++, (short)widget.getF() ); + } else { + newImage.put( iter2++, (short)( widget.getF() * 65535.0f ) ); + } + } else if( type == GL2.GL_UNSIGNED_INT ) { + if( indexFormat ) { + newImage.put( iter2++, (short)widget.getUI() ); + } else { + newImage.put( iter2++, (short)(widget.getUI() >> 16) ); + } + } else { + if( indexFormat ) { + newImage.put( iter2++, (short)widget.getI() ); + } else { + newImage.put( iter2++, (short)(widget.getI() >> 15) ); + } + } + break; + default: + assert( false ); + } + iter += elementSize; + } // for ww + rowStart += rowSize; + iter = rowStart; // for assert + } // for hh + start += imageSize; + }// for dd + + // iterators should be one byte past end + if( !Mipmap.isTypePackedPixel( type ) ) { + assert( iter2 == width * height * depth * components ); + } else { + assert( iter2 == width * height * depth * Mipmap.elements_per_group( format, 0 ) ); + } + assert( iter == rowSize * height * depth + psm.getUnpackSkipRows() * rowSize + + psm.getUnpackSkipPixels() * groupSize + + psm.getUnpackSkipImages() * imageSize ); + } + + public static void emptyImage3D( PixelStorageModes psm, int width, int height, int depth, + int format, int type, boolean indexFormat, ShortBuffer oldImage, ByteBuffer userImage ) { + boolean myswapBytes; + int components; + int groupsPerLine; + int elementSize; + int groupSize; + int rowSize; + int padding; + int start, rowStart, iter; + int elementsPerLine; + int iter2; + int ii, jj, dd, k; + int rowsPerImage; + int imageSize; + Type_Widget widget = new Type_Widget(); + float[] shoveComponents = new float[4]; + + // Create a Extract interface object + Extract extract = null; + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + extract = new Extract332(); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + extract = new Extract233rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + extract = new Extract565(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + extract = new Extract565rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + extract = new Extract4444(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + extract = new Extract4444rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + extract = new Extract5551(); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + extract = new Extract1555rev(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + extract = new Extract8888(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + extract = new Extract8888rev(); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + extract = new Extract1010102(); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract = new Extract2101010rev(); + break; + } + + iter = 0; + + myswapBytes = psm.getPackSwapBytes(); + components = Mipmap.elements_per_group( format, type ); + if( psm.getPackRowLength() > 0 ) { + groupsPerLine = psm.getPackRowLength(); + } else { + groupsPerLine = width; + } + + elementSize = Mipmap.bytes_per_element( type ); + groupSize = elementSize * components; + if( elementSize == 1 ) { + myswapBytes = false; + } + + // 3dstuff begin + if( psm.getPackImageHeight() > 0 ) { + rowsPerImage = psm.getPackImageHeight(); + } else { + rowsPerImage = height; + } + + // 3dstuff end + + rowSize = groupsPerLine * groupSize; + padding = rowSize % psm.getPackAlignment(); + if( padding != 0 ) { + rowSize += psm.getPackAlignment() - padding; + } + + imageSize = rowsPerImage * rowSize; + + start = psm.getPackSkipRows() * rowSize + + psm.getPackSkipPixels() * groupSize + + psm.getPackSkipImages() * imageSize; + elementsPerLine = width * components; + + iter2 = 0; + for( dd = 0; dd < depth; dd++ ) { + rowStart = start; + + for( ii = 0; ii < height; ii++ ) { + iter = rowStart; + + for( jj = 0; jj < elementsPerLine; jj++ ) { + + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + if( indexFormat ) { + userImage.put( iter, (byte)(oldImage.get( iter2++ ) ) ); + } else { + userImage.put( iter, (byte)(oldImage.get( iter2++ ) >> 8 ) ); + } + break; + case( GL2.GL_BYTE ): + if( indexFormat ) { + userImage.put( iter, (byte)(oldImage.get(iter2++) ) ); + } else { + userImage.put( iter, (byte)(oldImage.get(iter2++) >> 9) ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, userImage ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, userImage ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.putShort( iter, widget.getUB1() ); + userImage.putShort( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + if( type == GL2.GL_SHORT ) { + if( indexFormat ) { + widget.setS0( (short)oldImage.get( iter2++ ) ); + } else { + widget.setS0( (short)(oldImage.get( iter2++ ) >> 1) ); + } + } else { + widget.setUS0( (short)oldImage.get( iter2++ ) ); + } + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.put( iter, widget.getUB0() ); + userImage.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter + 3, widget.getUB0() ); + userImage.put( iter + 2, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB2() ); + userImage.put( iter , widget.getUB3() ); + } else { + userImage.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter + 3, widget.getUB0() ); + userImage.put( iter + 2, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB2() ); + userImage.put( iter , widget.getUB3() ); + } else { + userImage.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter + 3, widget.getUB0() ); + userImage.put( iter + 2, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB2() ); + userImage.put( iter ,widget.getUB3() ); + } else { + userImage.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter + 3, widget.getUB0() ); + userImage.put( iter + 2, widget.getUB2() ); + userImage.put( iter + 1, widget.getUB1() ); + userImage.put( iter , widget.getUB0() ); + } else { + userImage.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_FLOAT ): + if( type == GL2.GL_FLOAT ) { + if( indexFormat ) { + widget.setF( oldImage.get( iter2++ ) ); + } else { + widget.setF( oldImage.get( iter2++ ) / 65535.0f ); + } + } else if( type == GL2.GL_UNSIGNED_INT ) { + if( indexFormat ) { + widget.setUI( oldImage.get( iter2++ ) ); + } else { + widget.setUI( oldImage.get( iter2++ ) * 65537 ); + } + } else { + if( indexFormat ) { + widget.setI( oldImage.get( iter2++ ) ); + } else { + widget.setI( ( oldImage.get( iter2++ ) * 65535 ) / 2 ); + } + } + if( myswapBytes ) { + userImage.put( iter + 3, widget.getUB0() ); + userImage.put( iter + 2, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB2() ); + userImage.put( iter , widget.getUB3() ); + } else { + userImage.put( iter , widget.getUB0() ); + userImage.put( iter + 1, widget.getUB1() ); + userImage.put( iter + 2, widget.getUB2() ); + userImage.put( iter + 3, widget.getUB3() ); + } + break; + default: + assert( false ); + } + + iter += elementSize; + } // for jj + rowStart += rowSize; + } // for ii + start += imageSize; + } // for dd + + if( !Mipmap.isTypePackedPixel( type ) ) { + assert( iter2 == width * height * depth * components ); + } else { + assert( iter2 == width * height * depth * Mipmap.elements_per_group( format, 0 ) ); + } + assert( iter == rowSize * height * depth + + psm.getUnpackSkipRows() * rowSize + + psm.getUnpackSkipPixels() * groupSize + + psm.getUnpackSkipImages() * imageSize ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Mipmap.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Mipmap.java new file mode 100644 index 000000000..2c3f60d32 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Mipmap.java @@ -0,0 +1,867 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import javax.media.opengl.glu.GLU; +import javax.media.opengl.GLException; +import java.nio.*; +import com.jogamp.opengl.impl.InternalBufferUtil; + +/** + * + * @author Administrator + */ +public class Mipmap { + + /** Creates a new instance of Mipmap */ + public Mipmap() { + } + + public static int computeLog( int value ) { + int i = 0; + // Error + if( value == 0 ) { + return( -1 ); + } + for( ;; ) { + if( (value & 1) >= 1 ) { + if( value != 1 ) { + return( -1 ); + } + return( i ); + } + value = value >> 1; + i++; + } + } + + /* Compute the nearest power of 2 number. This algorithm is a little strange + * but it works quite well. + */ + public static int nearestPower( int value ) { + int i = 1; + // Error! + if( value == 0 ) { + return( -1 ); + } + for( ;; ) { + if( value == 1 ) { + return( i ); + } else if( value == 3 ) { + return( i * 4 ); + } + value = value >> 1; + i *= 2; + } + } + + public static short GLU_SWAP_2_BYTES( short s ) { + byte b = 0; + b = (byte)( s >>> 8 ); + s = (short)( s << 8 ); + s = (short)( s | (0x00FF & b) ); + return( s ); + } + + public static int GLU_SWAP_4_BYTES( int i ) { + int t = i << 24; + t |= 0x00FF0000 & ( i << 8 ); + t |= 0x0000FF00 & ( i >>> 8 ); + t |= 0x000000FF & ( i >>> 24 ); + return( t ); + } + + public static float GLU_SWAP_4_BYTES( float f ) { + int i = Float.floatToRawIntBits( f ); + float temp = Float.intBitsToFloat( i ); + return( temp ); + } + + public static int checkMipmapArgs( int internalFormat, int format, int type ) { + if( !legalFormat( format ) || !legalType( type ) ) { + return( GLU.GLU_INVALID_ENUM ); + } + if( format == GL2.GL_STENCIL_INDEX ) { + return( GLU.GLU_INVALID_ENUM ); + } + if( !isLegalFormatForPackedPixelType( format, type ) ) { + return( GLU.GLU_INVALID_OPERATION ); + } + return( 0 ); + } + + public static boolean legalFormat( int format ) { + switch( format ) { + case( GL2.GL_COLOR_INDEX ): + case( GL2.GL_STENCIL_INDEX ): + case( GL2.GL_DEPTH_COMPONENT ): + case( GL2.GL_RED ): + case( GL2.GL_GREEN ): + case( GL2.GL_BLUE ): + case( GL2.GL_ALPHA ): + case( GL2.GL_RGB ): + case( GL2.GL_RGBA ): + case( GL2.GL_LUMINANCE ): + case( GL2.GL_LUMINANCE_ALPHA ): + case( GL2.GL_BGR ): + case( GL2.GL_BGRA ): + return( true ); + default: + return( false ); + } + } + + public static boolean legalType( int type ) { + switch( type ) { + case( GL2.GL_BITMAP ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + return( true ); + default: + return( false ); + } + } + + public static boolean isTypePackedPixel( int type ) { + assert( legalType( type ) ); + + if( type == GL2.GL_UNSIGNED_BYTE_3_3_2 || + type == GL2.GL_UNSIGNED_BYTE_2_3_3_REV || + type == GL2.GL_UNSIGNED_SHORT_5_6_5 || + type == GL2.GL_UNSIGNED_SHORT_5_6_5_REV || + type == GL2.GL_UNSIGNED_SHORT_4_4_4_4 || + type == GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV || + type == GL2.GL_UNSIGNED_SHORT_5_5_5_1 || + type == GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV || + type == GL2.GL_UNSIGNED_INT_8_8_8_8 || + type == GL2.GL_UNSIGNED_INT_8_8_8_8_REV || + type == GL2.GL_UNSIGNED_INT_10_10_10_2 || + type == GL2.GL_UNSIGNED_INT_2_10_10_10_REV ) { + return( true ); + } + return( false ); + } + + public static boolean isLegalFormatForPackedPixelType( int format, int type ) { + // if not a packed pixel type then return true + if( isTypePackedPixel( type ) ) { + return( true ); + } + + // 3_3_2/2_3_3_REV & 5_6_5/5_6_5_REV are only compatible with RGB + if( (type == GL2.GL_UNSIGNED_BYTE_3_3_2 || type == GL2.GL_UNSIGNED_BYTE_2_3_3_REV || + type == GL2.GL_UNSIGNED_SHORT_5_6_5 || type == GL2.GL_UNSIGNED_SHORT_5_6_5_REV ) + & format != GL2.GL_RGB ) { + return( false ); + } + + // 4_4_4_4/4_4_4_4_REV & 5_5_5_1/1_5_5_5_REV & 8_8_8_8/8_8_8_8_REV & + // 10_10_10_2/2_10_10_10_REV are only campatible with RGBA, BGRA & ARGB_EXT + if( ( type == GL2.GL_UNSIGNED_SHORT_4_4_4_4 || + type == GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV || + type == GL2.GL_UNSIGNED_SHORT_5_5_5_1 || + type == GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV || + type == GL2.GL_UNSIGNED_INT_8_8_8_8 || + type == GL2.GL_UNSIGNED_INT_8_8_8_8_REV || + type == GL2.GL_UNSIGNED_INT_10_10_10_2 || + type == GL2.GL_UNSIGNED_INT_2_10_10_10_REV ) && + (format != GL2.GL_RGBA && format != GL2.GL_BGRA) ) { + return( false ); + } + return( true ); + } + + public static boolean isLegalLevels( int userLevel, int baseLevel, int maxLevel, + int totalLevels ) { + if( (baseLevel < 0) || (baseLevel < userLevel) || (maxLevel < baseLevel) || + (totalLevels < maxLevel) ) { + return( false ); + } + return( true ); + } + + /* Given user requested textures size, determine if it fits. If it doesn't then + * halve both sides and make the determination again until it does fit ( for + * IR only ). + * Note that proxy textures are not implemented in RE* even though they + * advertise the texture extension. + * Note that proxy textures are implemented but not according to spec in IMPACT* + */ + public static void closestFit( GL gl, int target, int width, int height, int internalFormat, + int format, int type, int[] newWidth, int[] newHeight ) { + // Use proxy textures if OpenGL version >= 1.1 + if( Double.parseDouble( gl.glGetString( GL.GL_VERSION ).trim().substring( 0, 3 ) ) >= 1.1 ) { + int widthPowerOf2 = nearestPower( width ); + int heightPowerOf2 = nearestPower( height ); + int[] proxyWidth = new int[1]; + boolean noProxyTextures = false; + + // Some drivers (in particular, ATI's) seem to set a GL error + // when proxy textures are used even though this is in violation + // of the spec. Guard against this and interactions with the + // DebugGL by watching for GLException. + try { + do { + // compute level 1 width & height, clamping each at 1 + int widthAtLevelOne = ( ( width > 1 ) ? (widthPowerOf2 >> 1) : widthPowerOf2 ); + int heightAtLevelOne = ( ( height > 1 ) ? (heightPowerOf2 >> 1) : heightPowerOf2 ); + int proxyTarget; + + assert( widthAtLevelOne > 0 ); + assert( heightAtLevelOne > 0 ); + + // does width x height at level 1 & all their mipmaps fit? + if( target == GL2.GL_TEXTURE_2D || target == GL2.GL_PROXY_TEXTURE_2D ) { + proxyTarget = GL2.GL_PROXY_TEXTURE_2D; + gl.glTexImage2D( proxyTarget, 1, internalFormat, widthAtLevelOne, + heightAtLevelOne, 0, format, type, null ); + } else if( (target == GL2.GL_TEXTURE_CUBE_MAP_POSITIVE_X) || + (target == GL2.GL_TEXTURE_CUBE_MAP_NEGATIVE_X) || + (target == GL2.GL_TEXTURE_CUBE_MAP_POSITIVE_Y) || + (target == GL2.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y) || + (target == GL2.GL_TEXTURE_CUBE_MAP_POSITIVE_Z) || + (target == GL2.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z) ) { + proxyTarget = GL2.GL_PROXY_TEXTURE_CUBE_MAP; + gl.glTexImage2D( proxyTarget, 1, internalFormat, widthAtLevelOne, + heightAtLevelOne, 0, format, type, null ); + } else { + assert( target == GL2.GL_TEXTURE_1D || target == GL2.GL_PROXY_TEXTURE_1D ); + proxyTarget = GL2.GL_PROXY_TEXTURE_1D; + gl.getGL2().glTexImage1D( proxyTarget, 1, internalFormat, widthAtLevelOne, + 0, format, type, null ); + } + if(gl.isGL2()) { + gl.getGL2().glGetTexLevelParameteriv( proxyTarget, 1, GL2.GL_TEXTURE_WIDTH, proxyWidth, 0 ); + } else { + proxyWidth[0] = 0; + } + // does it fit? + if( proxyWidth[0] == 0 ) { // nope, so try again with theses sizes + if( widthPowerOf2 == 1 && heightPowerOf2 == 1 ) { + /* A 1x1 texture couldn't fit for some reason so break out. This + * should never happen. But things happen. The disadvantage with + * this if-statement is that we will never be aware of when this + * happens since it will silently branch out. + */ + noProxyTextures = true; + break; + } + widthPowerOf2 = widthAtLevelOne; + heightPowerOf2 = heightAtLevelOne; + } + // else it does fit + } while( proxyWidth[0] == 0 ); + } catch (GLException e) { + noProxyTextures = true; + } + // loop must terminate + // return the width & height at level 0 that fits + if( !noProxyTextures ) { + newWidth[0] = widthPowerOf2; + newHeight[0] = heightPowerOf2; + return; + } + } + int[] maxsize = new int[1]; + gl.glGetIntegerv( GL2.GL_MAX_TEXTURE_SIZE, maxsize , 0); + // clamp user's texture sizes to maximum sizes, if necessary + newWidth[0] = nearestPower( width ); + if( newWidth[0] > maxsize[0] ) { + newWidth[0] = maxsize[0]; + } + newHeight[0] = nearestPower( height ); + if( newHeight[0] > maxsize[0] ) { + newHeight[0] = maxsize[0]; + } + } + + public static void closestFit3D( GL gl, int target, int width, int height, int depth, + int internalFormat, int format, int type, int[] newWidth, int[] newHeight, + int[] newDepth ) { + int widthPowerOf2 = nearestPower( width ); + int heightPowerOf2 = nearestPower( height ); + int depthPowerOf2 = nearestPower( depth ); + int[] proxyWidth = new int[1]; + + do { + // compute level 1 width & height & depth, clamping each at 1 + int widthAtLevelOne = (widthPowerOf2 > 1) ? widthPowerOf2 >> 1 : widthPowerOf2; + int heightAtLevelOne = (heightPowerOf2 > 1) ? heightPowerOf2 >> 1 : heightPowerOf2; + int depthAtLevelOne = (depthPowerOf2 > 1) ? depthPowerOf2 >> 1 : depthPowerOf2; + int proxyTarget = 0; + assert( widthAtLevelOne > 0 ); + assert( heightAtLevelOne > 0 ); + assert( depthAtLevelOne > 0 ); + + // does width x height x depth at level 1 & all their mipmaps fit? + if( target == GL2.GL_TEXTURE_3D || target == GL2.GL_PROXY_TEXTURE_3D ) { + proxyTarget = GL2.GL_PROXY_TEXTURE_3D; + gl.getGL2().glTexImage3D( proxyTarget, 1, internalFormat, widthAtLevelOne, + heightAtLevelOne, depthAtLevelOne, 0, format, type, null ); + } + if(gl.isGL2()) { + gl.getGL2().glGetTexLevelParameteriv( proxyTarget, 1, GL2.GL_TEXTURE_WIDTH, proxyWidth, 0 ); + } else { + proxyWidth[0] = 0; + } + // does it fit + if( proxyWidth[0] == 0 ) { + if( widthPowerOf2 == 1 && heightPowerOf2 == 1 && depthPowerOf2 == 1 ) { + newWidth[0] = newHeight[0] = newDepth[0] = 1; + return; + } + widthPowerOf2 = widthAtLevelOne; + heightPowerOf2 = heightAtLevelOne; + depthPowerOf2 = depthAtLevelOne; + } + } while( proxyWidth[0] == 0 ); + // loop must terminate + + // return the width & height at level 0 that fits + newWidth[0] = widthPowerOf2; + newHeight[0] = heightPowerOf2; + newDepth[0] = depthPowerOf2; + } + + public static int elements_per_group( int format, int type ) { + // Return the number of elements per grtoup of a specified gromat + + // If the type is packedpixels then answer is 1 + if( type == GL2.GL_UNSIGNED_BYTE_3_3_2 || + type == GL2.GL_UNSIGNED_BYTE_2_3_3_REV || + type == GL2.GL_UNSIGNED_SHORT_5_6_5 || + type == GL2.GL_UNSIGNED_SHORT_5_6_5_REV || + type == GL2.GL_UNSIGNED_SHORT_4_4_4_4 || + type == GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV || + type == GL2.GL_UNSIGNED_SHORT_5_5_5_1 || + type == GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV || + type == GL2.GL_UNSIGNED_INT_8_8_8_8 || + type == GL2.GL_UNSIGNED_INT_8_8_8_8_REV || + type == GL2.GL_UNSIGNED_INT_10_10_10_2 || + type == GL2.GL_UNSIGNED_INT_2_10_10_10_REV ) { + return( 1 ); + } + + // Types are not packed pixels so get elements per group + switch( format ) { + case( GL2.GL_RGB ): + case( GL2.GL_BGR ): + return( 3 ); + case( GL2.GL_LUMINANCE_ALPHA ): + return( 2 ); + case( GL2.GL_RGBA ): + case( GL2.GL_BGRA ): + return( 4 ); + default: + return( 1 ); + } + } + + public static int bytes_per_element( int type ) { + // return the number of bytes per element, based on the element type + + switch( type ) { + case( GL2.GL_BITMAP ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + return( 1 ); + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + return( 2 ); + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + case( GL2.GL_FLOAT ): + return( 4 ); + default: + return( 4 ); + } + } + + public static boolean is_index( int format ) { + return( format == GL2.GL_COLOR_INDEX || format == GL2.GL_STENCIL_INDEX ); + } + + /* Compute memory required for internal packed array of data of given type and format. */ + + public static int image_size( int width, int height, int format, int type ) { + int bytes_per_row; + int components; + + assert( width > 0 ); + assert( height > 0 ); + components = elements_per_group( format, type ); + if( type == GL2.GL_BITMAP ) { + bytes_per_row = (width + 7) / 8; + } else { + bytes_per_row = bytes_per_element( type ) * width; + } + return( bytes_per_row * height * components ); + } + + public static int imageSize3D( int width, int height, int depth, int format, int type ) { + int components = elements_per_group( format, type ); + int bytes_per_row = bytes_per_element( type ) * width; + + assert( width > 0 && height > 0 && depth > 0 ); + assert( type != GL2.GL_BITMAP ); + + return( bytes_per_row * height * depth * components ); + } + + public static void retrieveStoreModes( GL gl, PixelStorageModes psm ) { + int[] a = new int[1]; + gl.glGetIntegerv( GL2.GL_UNPACK_ALIGNMENT, a, 0); + psm.setUnpackAlignment( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_ROW_LENGTH, a, 0); + psm.setUnpackRowLength( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_ROWS, a, 0); + psm.setUnpackSkipRows( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_PIXELS, a, 0); + psm.setUnpackSkipPixels( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_LSB_FIRST, a, 0); + psm.setUnpackLsbFirst( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_UNPACK_SWAP_BYTES, a, 0); + psm.setUnpackSwapBytes( ( a[0] == 1 ) ); + + gl.glGetIntegerv( GL2.GL_PACK_ALIGNMENT, a, 0); + psm.setPackAlignment( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_ROW_LENGTH, a, 0); + psm.setPackRowLength( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_SKIP_ROWS, a, 0); + psm.setPackSkipRows( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_SKIP_PIXELS, a, 0); + psm.setPackSkipPixels( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_LSB_FIRST, a, 0); + psm.setPackLsbFirst( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_PACK_SWAP_BYTES, a, 0); + psm.setPackSwapBytes( ( a[0] == 1 ) ); + } + + public static void retrieveStoreModes3D( GL gl, PixelStorageModes psm ) { + int[] a = new int[1]; + gl.glGetIntegerv( GL2.GL_UNPACK_ALIGNMENT, a, 0); + psm.setUnpackAlignment( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_ROW_LENGTH, a, 0); + psm.setUnpackRowLength( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_ROWS, a, 0); + psm.setUnpackSkipRows( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_PIXELS, a, 0); + psm.setUnpackSkipPixels( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_LSB_FIRST, a, 0); + psm.setUnpackLsbFirst( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_UNPACK_SWAP_BYTES, a, 0); + psm.setUnpackSwapBytes( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_IMAGES, a, 0); + psm.setUnpackSkipImages( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_IMAGE_HEIGHT, a, 0); + psm.setUnpackImageHeight( a[0] ); + + gl.glGetIntegerv( GL2.GL_PACK_ALIGNMENT, a, 0); + psm.setPackAlignment( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_ROW_LENGTH, a, 0); + psm.setPackRowLength( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_SKIP_ROWS, a, 0); + psm.setPackSkipRows( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_SKIP_PIXELS, a, 0 ); + psm.setPackSkipPixels( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_LSB_FIRST, a, 0 ); + psm.setPackLsbFirst( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_PACK_SWAP_BYTES, a, 0 ); + psm.setPackSwapBytes( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_PACK_SKIP_IMAGES, a, 0 ); + psm.setPackSkipImages( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_IMAGE_HEIGHT, a, 0 ); + psm.setPackImageHeight( a[0] ); + } + + public static int gluScaleImage( GL gl, int format, int widthin, int heightin, + int typein, ByteBuffer datain, int widthout, int heightout, + int typeout, ByteBuffer dataout ) { + int datainPos = datain.position(); + int dataoutPos = dataout.position(); + try { + + int components; + ByteBuffer beforeimage; + ByteBuffer afterimage; + PixelStorageModes psm = new PixelStorageModes(); + + if( (widthin == 0) || (heightin == 0) || (widthout == 0) || (heightout == 0) ) { + return( 0 ); + } + if( (widthin < 0) || (heightin < 0) || (widthout < 0) || (heightout < 0) ) { + return( GLU.GLU_INVALID_VALUE ); + } + if( !legalFormat( format ) || !legalType( typein ) || !legalType( typeout ) ) { + return( GLU.GLU_INVALID_ENUM ); + } + if( !isLegalFormatForPackedPixelType( format, typein ) ) { + return( GLU.GLU_INVALID_OPERATION ); + } + if( !isLegalFormatForPackedPixelType( format, typeout ) ) { + return( GLU.GLU_INVALID_OPERATION ); + } + beforeimage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( image_size( widthin, heightin, format, GL2.GL_UNSIGNED_SHORT ) )); + afterimage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( image_size( widthout, heightout, format, GL2.GL_UNSIGNED_SHORT ) )); + if( beforeimage == null || afterimage == null ) { + return( GLU.GLU_OUT_OF_MEMORY ); + } + + retrieveStoreModes( gl, psm ); + Image.fill_image( psm, widthin, heightin, format, typein, is_index( format ), datain, beforeimage.asShortBuffer() ); + components = elements_per_group( format, 0 ); + ScaleInternal.scale_internal( components, widthin, heightin, beforeimage.asShortBuffer(), widthout, heightout, afterimage.asShortBuffer() ); + Image.empty_image( psm, widthout, heightout, format, typeout, is_index( format ), afterimage.asShortBuffer(), dataout ); + + return( 0 ); + } finally { + datain.position(datainPos); + dataout.position(dataoutPos); + } + } + + public static int gluBuild1DMipmapLevels( GL gl, int target, int internalFormat, + int width, int format, int type, int userLevel, int baseLevel, + int maxLevel, ByteBuffer data ) { + int dataPos = data.position(); + try { + + int levels; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + levels = computeLog( width ); + + levels += userLevel; + if( !isLegalLevels( userLevel, baseLevel, maxLevel, levels ) ) { + return( GLU.GLU_INVALID_VALUE ); + } + + return( BuildMipmap.gluBuild1DMipmapLevelsCore( gl, target, internalFormat, width, + width, format, type, userLevel, baseLevel, maxLevel, data ) ); + } finally { + data.position(dataPos); + } + } + + public static int gluBuild1DMipmaps( GL gl, int target, int internalFormat, int width, + int format, int type, ByteBuffer data ) { + int dataPos = data.position(); + + try { + int[] widthPowerOf2 = new int[1]; + int levels; + int[] dummy = new int[1]; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + closestFit( gl, target, width, 1, internalFormat, format, type, widthPowerOf2, dummy ); + levels = computeLog( widthPowerOf2[0] ); + + return( BuildMipmap.gluBuild1DMipmapLevelsCore( gl, target, internalFormat, + width, widthPowerOf2[0], format, type, 0, 0, levels, data ) ); + } finally { + data.position(dataPos); + } + } + + + public static int gluBuild2DMipmapLevels( GL gl, int target, int internalFormat, + int width, int height, int format, int type, int userLevel, + int baseLevel, int maxLevel, Object data ) { + int dataPos = 0; + + int level, levels; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 || height < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + levels = computeLog( width ); + level = computeLog( height ); + if( level > levels ) { + levels = level; + } + + levels += userLevel; + if( !isLegalLevels( userLevel, baseLevel, maxLevel, levels ) ) { + return( GLU.GLU_INVALID_VALUE ); + } + + //PointerWrapper pointer = PointerWrapperFactory.getPointerWrapper( data ); + ByteBuffer buffer = null; + if( data instanceof ByteBuffer ) { + buffer = (ByteBuffer)data; + dataPos = buffer.position(); + } else if( data instanceof byte[] ) { + byte[] array = (byte[])data; + buffer = ByteBuffer.allocateDirect(array.length); + buffer.put(array); + } else if( data instanceof short[] ) { + short[] array = (short[])data; + buffer = ByteBuffer.allocateDirect( array.length * 2 ); + ShortBuffer sb = buffer.asShortBuffer(); + sb.put( array ); + } else if( data instanceof int[] ) { + int[] array = (int[])data; + buffer = ByteBuffer.allocateDirect( array.length * 4 ); + IntBuffer ib = buffer.asIntBuffer(); + ib.put( array ); + } else if( data instanceof float[] ) { + float[] array = (float[])data; + buffer = ByteBuffer.allocateDirect( array.length * 4 ); + FloatBuffer fb = buffer.asFloatBuffer(); + fb.put( array ); + } + + try { + return( BuildMipmap.gluBuild2DMipmapLevelsCore( gl, target, internalFormat, + width, height, width, height, format, type, userLevel, baseLevel, + maxLevel, buffer ) ); + } finally { + buffer.position(dataPos); + } + } + + + public static int gluBuild2DMipmaps( GL gl, int target, int internalFormat, + int width, int height, int format, int type, Object data ) { + int dataPos = 0; + + int[] widthPowerOf2 = new int[1]; + int[] heightPowerOf2 = new int[1]; + int level, levels; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 || height < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + closestFit( gl, target, width, height, internalFormat, format, type, + widthPowerOf2, heightPowerOf2 ); + + levels = computeLog( widthPowerOf2[0] ); + level = computeLog( heightPowerOf2[0] ); + if( level > levels ) { + levels = level; + } + + //PointerWrapper pointer = PointerWrapperFactory.getPointerWrapper( data ); + ByteBuffer buffer = null; + if( data instanceof ByteBuffer ) { + buffer = (ByteBuffer)data; + dataPos = buffer.position(); + } else if( data instanceof byte[] ) { + byte[] array = (byte[])data; + buffer = ByteBuffer.allocateDirect(array.length); + buffer.put(array); + } else if( data instanceof short[] ) { + short[] array = (short[])data; + buffer = ByteBuffer.allocateDirect( array.length * 2 ); + ShortBuffer sb = buffer.asShortBuffer(); + sb.put( array ); + } else if( data instanceof int[] ) { + int[] array = (int[])data; + buffer = ByteBuffer.allocateDirect( array.length * 4 ); + IntBuffer ib = buffer.asIntBuffer(); + ib.put( array ); + } else if( data instanceof float[] ) { + float[] array = (float[])data; + buffer = ByteBuffer.allocateDirect( array.length * 4 ); + FloatBuffer fb = buffer.asFloatBuffer(); + fb.put( array ); + } + + try { + return( BuildMipmap.gluBuild2DMipmapLevelsCore( gl, target, internalFormat, + width, height, widthPowerOf2[0], heightPowerOf2[0], format, type, 0, + 0, levels, buffer ) ); + } finally { + buffer.position(dataPos); + } + } + + + public static int gluBuild3DMipmaps( GL gl, int target, int internalFormat, + int width, int height, int depth, int format, int type, ByteBuffer data ) { + int dataPos = data.position(); + try { + + int[] widthPowerOf2 = new int[1]; + int[] heightPowerOf2 = new int[1]; + int[] depthPowerOf2 = new int[1]; + int level, levels; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 || height < 1 || depth < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + if( type == GL2.GL_BITMAP ) { + return( GLU.GLU_INVALID_ENUM ); + } + + closestFit3D( gl, target, width, height, depth, internalFormat, format, + type, widthPowerOf2, heightPowerOf2, depthPowerOf2 ); + + levels = computeLog( widthPowerOf2[0] ); + level = computeLog( heightPowerOf2[0] ); + if( level > levels ) { + levels = level; + } + level = computeLog( depthPowerOf2[0] ); + if( level > levels ) { + levels = level; + } + + return( BuildMipmap.gluBuild3DMipmapLevelsCore( gl, target, internalFormat, width, + height, depth, widthPowerOf2[0], heightPowerOf2[0], depthPowerOf2[0], + format, type, 0, 0, levels, data ) ); + } finally { + data.position(dataPos); + } + } + + public static int gluBuild3DMipmapLevels( GL gl, int target, int internalFormat, + int width, int height, int depth, int format, int type, int userLevel, + int baseLevel, int maxLevel, ByteBuffer data ) { + int dataPos = data.position(); + try { + int level, levels; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 || height < 1 || depth < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + if( type == GL2.GL_BITMAP ) { + return( GLU.GLU_INVALID_ENUM ); + } + + levels = computeLog( width ); + level = computeLog( height ); + if( level > levels ) { + levels = level; + } + level = computeLog( depth ); + if( level > levels ) { + levels = level; + } + + levels += userLevel; + if( !isLegalLevels( userLevel, baseLevel, maxLevel, levels ) ) { + return( GLU.GLU_INVALID_VALUE ); + } + + return( BuildMipmap.gluBuild3DMipmapLevelsCore( gl, target, internalFormat, width, + height, depth, width, height, depth, format, type, userLevel, + baseLevel, maxLevel, data ) ); + } finally { + data.position(dataPos); + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/PixelStorageModes.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/PixelStorageModes.java new file mode 100644 index 000000000..43b5c5691 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/PixelStorageModes.java @@ -0,0 +1,426 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +/** + * + * @author Administrator + */ +public class PixelStorageModes { + + /** + * Holds value of property packAlignment. + */ + private int packAlignment; + + /** + * Holds value of property packRowLength. + */ + private int packRowLength; + + /** + * Holds value of property packSkipRows. + */ + private int packSkipRows; + + /** + * Holds value of property packSkipPixels. + */ + private int packSkipPixels; + + /** + * Holds value of property packLsbFirst. + */ + private boolean packLsbFirst; + + /** + * Holds value of property packSwapBytes. + */ + private boolean packSwapBytes; + + /** + * Holds value of property packSkipImages. + */ + private int packSkipImages; + + /** + * Holds value of property packImageHeight. + */ + private int packImageHeight; + + /** + * Holds value of property unpackAlignment. + */ + private int unpackAlignment; + + /** + * Holds value of property unpackRowLength. + */ + private int unpackRowLength; + + /** + * Holds value of property unpackSkipRows. + */ + private int unpackSkipRows; + + /** + * Holds value of property unpackSkipPixels. + */ + private int unpackSkipPixels; + + /** + * Holds value of property unpackLsbFirst. + */ + private boolean unpackLsbFirst; + + /** + * Holds value of property unpackSwapBytes. + */ + private boolean unpackSwapBytes; + + /** + * Holds value of property unpackSkipImages. + */ + private int unpackSkipImages; + + /** + * Holds value of property unpackImageHeight. + */ + private int unpackImageHeight; + + /** Creates a new instance of PixelStorageModes */ + public PixelStorageModes() { + } + + /** + * Getter for property packAlignment. + * @return Value of property packAlignment. + */ + public int getPackAlignment() { + + return this.packAlignment; + } + + /** + * Setter for property packAlignment. + * @param packAlignment New value of property packAlignment. + */ + public void setPackAlignment(int packAlignment) { + + this.packAlignment = packAlignment; + } + + /** + * Getter for property packRowLength. + * @return Value of property packRowLength. + */ + public int getPackRowLength() { + + return this.packRowLength; + } + + /** + * Setter for property packRowLength. + * @param packRowLength New value of property packRowLength. + */ + public void setPackRowLength(int packRowLength) { + + this.packRowLength = packRowLength; + } + + /** + * Getter for property packSkipRows. + * @return Value of property packSkipRows. + */ + public int getPackSkipRows() { + + return this.packSkipRows; + } + + /** + * Setter for property packSkipRows. + * @param packSkipRows New value of property packSkipRows. + */ + public void setPackSkipRows(int packSkipRows) { + + this.packSkipRows = packSkipRows; + } + + /** + * Getter for property packSkipPixels. + * @return Value of property packSkipPixels. + */ + public int getPackSkipPixels() { + + return this.packSkipPixels; + } + + /** + * Setter for property packSkipPixels. + * @param packSkipPixels New value of property packSkipPixels. + */ + public void setPackSkipPixels(int packSkipPixels) { + + this.packSkipPixels = packSkipPixels; + } + + /** + * Getter for property packLsbFirst. + * @return Value of property packLsbFirst. + */ + public boolean getPackLsbFirst() { + + return this.packLsbFirst; + } + + /** + * Setter for property packLsbFirst. + * @param packLsbFirst New value of property packLsbFirst. + */ + public void setPackLsbFirst(boolean packLsbFirst) { + + this.packLsbFirst = packLsbFirst; + } + + /** + * Getter for property packSwapBytes. + * @return Value of property packSwapBytes. + */ + public boolean getPackSwapBytes() { + + return this.packSwapBytes; + } + + /** + * Setter for property packSwapBytes. + * @param packSwapBytes New value of property packSwapBytes. + */ + public void setPackSwapBytes(boolean packSwapBytes) { + + this.packSwapBytes = packSwapBytes; + } + + /** + * Getter for property packSkipImages. + * @return Value of property packSkipImages. + */ + public int getPackSkipImages() { + + return this.packSkipImages; + } + + /** + * Setter for property packSkipImages. + * @param packSkipImages New value of property packSkipImages. + */ + public void setPackSkipImages(int packSkipImages) { + + this.packSkipImages = packSkipImages; + } + + /** + * Getter for property packImageHeight. + * @return Value of property packImageHeight. + */ + public int getPackImageHeight() { + + return this.packImageHeight; + } + + /** + * Setter for property packImageHeight. + * @param packImageHeight New value of property packImageHeight. + */ + public void setPackImageHeight(int packImageHeight) { + + this.packImageHeight = packImageHeight; + } + + /** + * Getter for property unpackAlignment. + * @return Value of property unpackAlignment. + */ + public int getUnpackAlignment() { + + return this.unpackAlignment; + } + + /** + * Setter for property unpackAlignment. + * @param unpackAlignment New value of property unpackAlignment. + */ + public void setUnpackAlignment(int unpackAlignment) { + + this.unpackAlignment = unpackAlignment; + } + + /** + * Getter for property unpackRowLength. + * @return Value of property unpackRowLength. + */ + public int getUnpackRowLength() { + + return this.unpackRowLength; + } + + /** + * Setter for property unpackRowLength. + * @param unpackRowLength New value of property unpackRowLength. + */ + public void setUnpackRowLength(int unpackRowLength) { + + this.unpackRowLength = unpackRowLength; + } + + /** + * Getter for property unpackSkipRows. + * @return Value of property unpackSkipRows. + */ + public int getUnpackSkipRows() { + + return this.unpackSkipRows; + } + + /** + * Setter for property unpackSkipRows. + * @param unpackSkipRows New value of property unpackSkipRows. + */ + public void setUnpackSkipRows(int unpackSkipRows) { + + this.unpackSkipRows = unpackSkipRows; + } + + /** + * Getter for property unpackSkipPixels. + * @return Value of property unpackSkipPixels. + */ + public int getUnpackSkipPixels() { + + return this.unpackSkipPixels; + } + + /** + * Setter for property unpackSkipPixels. + * @param unpackSkipPixels New value of property unpackSkipPixels. + */ + public void setUnpackSkipPixels(int unpackSkipPixels) { + + this.unpackSkipPixels = unpackSkipPixels; + } + + /** + * Getter for property unpackLsbFirst. + * @return Value of property unpackLsbFirst. + */ + public boolean getUnpackLsbFirst() { + + return this.unpackLsbFirst; + } + + /** + * Setter for property unpackLsbFirst. + * @param unpackLsbFirst New value of property unpackLsbFirst. + */ + public void setUnpackLsbFirst(boolean unpackLsbFirst) { + + this.unpackLsbFirst = unpackLsbFirst; + } + + /** + * Getter for property unpackSwapBytes. + * @return Value of property unpackSwapBytes. + */ + public boolean getUnpackSwapBytes() { + + return this.unpackSwapBytes; + } + + /** + * Setter for property unpackSwapBytes. + * @param unpackSwapBytes New value of property unpackSwapBytes. + */ + public void setUnpackSwapBytes(boolean unpackSwapBytes) { + + this.unpackSwapBytes = unpackSwapBytes; + } + + /** + * Getter for property unpackSkipImages. + * @return Value of property unpackSkipImages. + */ + public int getUnpackSkipImages() { + + return this.unpackSkipImages; + } + + /** + * Setter for property unpackSkipImages. + * @param unpackSkipImages New value of property unpackSkipImages. + */ + public void setUnpackSkipImages(int unpackSkipImages) { + + this.unpackSkipImages = unpackSkipImages; + } + + /** + * Getter for property unpackImageHeight. + * @return Value of property unpackImageHeight. + */ + public int getUnpackImageHeight() { + + return this.unpackImageHeight; + } + + /** + * Setter for property unpackImageHeight. + * @param unpackImageHeight New value of property unpackImageHeight. + */ + public void setUnpackImageHeight(int unpackImageHeight) { + + this.unpackImageHeight = unpackImageHeight; + } + + +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ScaleInternal.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ScaleInternal.java new file mode 100644 index 000000000..f0bb7fb33 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/ScaleInternal.java @@ -0,0 +1,2447 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import javax.media.opengl.glu.GLU; +import java.nio.*; +import com.jogamp.opengl.impl.InternalBufferUtil; + +/** + * + * @author Administrator + */ +public class ScaleInternal { + + public static final float UINT_MAX = (float)(0x00000000FFFFFFFF); + + public static void scale_internal( int components, int widthin, int heightin, + ShortBuffer datain, int widthout, int heightout, ShortBuffer dataout ) { + float x, lowx, highx, convx, halfconvx; + float y, lowy, highy, convy, halfconvy; + float xpercent, ypercent; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, yint, xint, xindex, yindex; + int temp; + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage( components, widthin, heightin, datain, dataout ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + halfconvx = convx / 2; + halfconvy = convy / 2; + for( i = 0; i < heightout; i++ ) { + y = convy * ( i + 0.5f ); + if( heightin > heightout ) { + highy = y + halfconvy; + lowy = y - halfconvy; + } else { + highy = y + 0.5f; + lowy = y - 0.5f; + } + for( j = 0; j < widthout; j++ ) { + x = convx * ( j + 0.5f ); + if( widthin > widthout ) { + highx = x + halfconvx; + lowx = x - halfconvx; + } else { + highx = x + 0.5f; + lowx = x - 0.5f; + } + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + area = 0.0f; + + y = lowy; + yint = (int)Math.floor( y ); + while( y < highy ) { + yindex = ( yint + heightin ) % heightin; + if( highy < yint + 1 ) { + ypercent = highy - y; + } else { + ypercent = yint + 1 - y; + } + + x = lowx; + xint = (int)Math.floor( x ); + + while( x < highx ) { + xindex = ( xint + widthin ) % widthin; + if( highx < xint + 1 ) { + xpercent = highx -x; + } else { + xpercent = xint + 1 - x; + } + + percent = xpercent * ypercent; + area += percent; + temp = ( xindex + ( yindex * widthin) ) * components; + for( k = 0; k < components; k++ ) { + totals[k] += datain.get( temp + k ) * percent; + } + + xint++; + x = xint; + } + yint++; + y = yint; + } + + temp = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + // totals[] should be rounded in the case of enlarging an RGB + // ramp when the type is 332 or 4444 + dataout.put( temp + k, (short)((totals[k] + 0.5f) / area) ); + } + } + } + } + + public static void scale_internal_ubyte( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + ByteBuffer dataout, int element_size, int ysize, int group_size ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_ubyte( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * y_percent; + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * y_percent; + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + float f = 0.0f; + datain.position( left ); + f = ( 0x000000FF & datain.get() ) * ( 1.0f - lowx_float ); + datain.position( right ); + f += ( 0x000000FF & datain.get() ) * highx_float; + totals[k] += f; + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * x_percent; + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * y_percent; + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ); + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (byte)(totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_byte( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + ByteBuffer dataout, int element_size, int ysize, + int group_size ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_byte( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * y_percent; + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * y_percent; + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + float f = 0.0f; + datain.position( left ); + f = datain.get() * ( 1 - lowx_float ); + datain.position( right ); + f += datain.get() * highx_float; + totals[k] += f; + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * x_percent; + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * y_percent; + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get(); + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (byte)(totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_ushort( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + ShortBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_ushort( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size, myswap_bytes ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & ((int)Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ))) * percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort() ) * percent; + } + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & ((int)Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ))) * y_percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort()) * y_percent; + } + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & (Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ))) * percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort()) * percent; + } + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort() ) * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * y_percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort()) * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort()) * percent; + } + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + if( myswap_bytes ) { + datain.position( left ); + float f = (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES(datain.getShort())) * ( 1 - lowx_float ); + datain.position( right ); + f += ((0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES(datain.getShort())) * highx_float); + totals[k] += f; + } else { + datain.position( left ); + float f = ((0x0000FFFF & datain.getShort()) * ( 1 - lowx_float )); + datain.position( right ); + f += ((0x0000FFFF & datain.getShort()) * highx_float); + totals[k] += f; + } + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() )) * percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * percent; + } + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * x_percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * x_percent; + } + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() )) * percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * percent; + } + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * y_percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * percent; + } + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * percent; + } + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort())); + } else { + totals[k] += (0x0000FFFF & datain.getShort()); + } + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (short)(totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_short( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + ShortBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + int swapbuf; // unsigned buffer + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_short( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size, myswap_bytes ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getShort() * y_percent; + } + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getShort() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + if( myswap_bytes ) { + datain.position( left ); + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * ( 1 - lowx_float ); + datain.position( right ); + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * highx_float; + } else { + datain.position( left ); + totals[k] += datain.getShort() * ( 1 - lowx_float ); + datain.position( right ); + totals[k] += datain.getShort() * highx_float; + } + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort()); + totals[k] += swapbuf * x_percent; + } else { + totals[k] += datain.getShort() * x_percent; + } + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getShort() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf; + } else { + totals[k] += datain.getShort(); + } + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (short)(totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_uint( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + IntBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_uint( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size, myswap_bytes ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * y_percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * y_percent; + } + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * y_percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + if( myswap_bytes ) { + datain.position( left ); + totals[k] += ((0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES(datain.getInt())) * ( 1 - lowx_float )); + datain.position( right ); + totals[k] += ((0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES(datain.getInt())) * highx_float); + } else { + datain.position( left ); + totals[k] += ((0x00000000FFFFFFFF & datain.getInt()) * ( 1 - lowx_float )); + datain.position( right ); + totals[k] += ((0x00000000FFFFFFFF & datain.getInt()) * highx_float); + } + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * x_percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * x_percent; + } + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * y_percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + long tempInt0 = ( 0xFFFFFFFFL & datain.getInt( temp_index ) ); + datain.position( temp_index ); + long tempInt1 = ( 0xFFFFFFFFL & datain.getInt() ); + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())); + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()); + } + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + float value = 0.0f; + for( k = 0; k < components; k++ ) { + value = totals[k] / area; + dataout.position( outindex + k ); + if( value >= UINT_MAX ) { + dataout.put( (int)value ); + } else { + dataout.put( (int)(totals[k] / area) ); + } + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_int( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + IntBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + long swapbuf; // unsigned buffer + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_int( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size, myswap_bytes ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getInt() * y_percent; + } + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getInt() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + if( myswap_bytes ) { + datain.position( left ); + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * ( 1 - lowx_float ); + datain.position( right ); + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * highx_float; + } else { + datain.position( left ); + totals[k] += (datain.getInt() * ( 1 - lowx_float )); + datain.position( right ); + totals[k] += (datain.getInt() * highx_float); + } + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * x_percent; + } else { + totals[k] += datain.getInt() * x_percent; + } + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getInt() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf; + } else { + totals[k] += datain.getInt(); + } + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (int)(totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_float( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + FloatBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + float swapbuf; // unsigned buffer + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_float( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size, myswap_bytes ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getFloat() * y_percent; + } + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getFloat() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + if( myswap_bytes ) { + datain.position( left ); + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * ( 1 - lowx_float ); + datain.position( right ); + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * highx_float; + } else { + datain.position( left ); + totals[k] += (datain.getFloat() * ( 1 - lowx_float )); + datain.position( right ); + totals[k] += (datain.getFloat() * highx_float); + } + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * x_percent; + } else { + totals[k] += datain.getFloat() * x_percent; + } + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getFloat() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf; + } else { + totals[k] += datain.getFloat(); + } + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scaleInternalPackedPixel( int components, Extract extract, + int widthIn, int heightIn, ByteBuffer dataIn, int widthOut, + int heightOut, ByteBuffer dataOut, int pixelSizeInBytes, + int rowSizeInBytes, boolean isSwap ) { + float x, convx; + float y, convy; + float percent; + + // max components in a format is 4, so + float[] totals = new float[4]; + float[] extractTotals = new float[4]; + float[] extractMoreTotals = new float[4]; + float[] shoveTotals = new float[4]; + + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outIndex = 0; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + if( widthIn == widthOut * 2 && heightIn == heightOut * 2 ) { + HalveImage.halveImagePackedPixel( components, extract, widthIn, heightIn, dataIn, dataOut, + pixelSizeInBytes, rowSizeInBytes, isSwap ); + return; + } + convy = (float)heightIn / (float)heightOut; + convx = (float)widthIn / (float)widthOut; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convx_float; + + for( i = 0; i < heightOut; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightIn) + highy_int = heightIn - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthOut; j++ ) { + // ok now apply box filter to box that goes from( lowx, lowy ) + // to ( highx, highy ) on input data into this pixel on output data + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // calculate that value for pixels in the 1st row + xindex = lowx_int * pixelSizeInBytes; + if( (highy_int > lowy_int) && (highx_int > lowx_int) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * rowSizeInBytes; + percent = y_percent * ( 1 - lowx_float ); + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += pixelSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * y_percent; + } + } + temp += pixelSizeInBytes; + right = temp; + percent = y_percent * highx_float; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + // calculate the value for pixels in the last row + + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += pixelSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * y_percent; + } + } + temp += pixelSizeInBytes; + percent = y_percent * highx_float; + dataIn.position( temp ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + + // calculate the value for pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += rowSizeInBytes; + right += rowSizeInBytes; + dataIn.position( left ); + extract.extract( isSwap, dataIn, extractTotals ); + dataIn.position( right ); + extract.extract( isSwap, dataIn, extractMoreTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += ( extractTotals[k] * ( 1 - lowx_float ) + extractMoreTotals[k] * highx_float ); + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float ) * x_percent; + temp = xindex + lowy_int * rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * x_percent; + } + } + percent = x_percent * highy_float; + temp += rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + lowy_int * rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += pixelSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * y_percent; + } + } + temp += pixelSizeInBytes; + percent = y_percent * highx_float; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + lowy_int * rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + } + + // this is for the pixels in the body + temp0 = xindex + pixelSizeInBytes + ( lowy_int + 1 ) * rowSizeInBytes; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + temp += pixelSizeInBytes; + } + temp0 += rowSizeInBytes; + } + + outIndex = ( j + ( i * widthOut ) ); + for( k = 0; k < components; k++ ) { + shoveTotals[k] = totals[k] / area; + } + extract.shove( shoveTotals, outIndex, dataOut ); + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthIn - 1) { + int delta = (highx_int - widthIn + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + assert( outIndex == ( widthOut * heightOut - 1) ); + } + + public static void scaleInternal3D( int components, int widthIn, int heightIn, + int depthIn, ShortBuffer dataIn, int widthOut, int heightOut, + int depthOut, ShortBuffer dataOut ) { + float x, lowx, highx, convx, halfconvx; + float y, lowy, highy, convy, halfconvy; + float z, lowz, highz, convz, halfconvz; + float xpercent, ypercent, zpercent; + float percent; + // max compnents in a format is 4 + float[] totals = new float[4]; + float volume; + int i, j, d, k, zint, yint, xint, xindex, yindex, zindex; + int temp; + + lowy = highy = lowx = highx = 0.0f; + + convz = (float)depthIn / depthOut; + convy = (float)heightIn / heightOut; + convx = (float)widthIn / widthOut; + halfconvz = convz / 2.0f; + halfconvy = convy / 2.0f; + halfconvx = convx / 2.0f; + for( d = 0; d < depthOut; d++ ) { + z = convz * ( d + 0.5f ); + if( depthIn > depthOut ) { + highz = z + halfconvz; + lowz = z - halfconvz; + } else { + highz = z + 0.5f; + lowz = z - 0.5f; + } + for( i = 0; i < heightOut; i++ ) { + y = convy * ( i + 0.5f ); + if( heightIn > heightOut ) { + highz = y + halfconvy; + lowz = y - halfconvy; + } else { + highz = y + 0.5f; + lowz = y - 0.5f; + } + for( j = 0; j < widthOut; j++ ) { + x = convx * ( j + 0.5f ); + if( depthIn > depthOut ) { + highz = x + halfconvx; + lowz = x - halfconvx; + } else { + highz = x + 0.5f; + lowz = x - 0.5f; + } + + // Ok, now apply box filter to box that goes from ( lowx, lowy, lowz ) + // to ( highx, highy, highz ) on input data into this pixel on output data + + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + volume = 0.0f; + + z = lowz; + zint = (int)(Math.floor( z ) ); + while( z < highz ) { + zindex = ( zint + depthIn ) % depthIn; + if( highz < zint + 1 ) { + zpercent = highz - z; + } else { + zpercent = zint + 1 - z; + } + + y = lowy; + yint = (int)(Math.floor( y ) ); + while( y < highy ) { + yindex = ( yint + heightIn ) % heightIn; + if( highy < yint + 1 ) { + ypercent = highy - y; + } else { + ypercent = yint + 1 - y; + } + + x = lowx; + xint = (int)(Math.floor( x ) ); + + while( x < highx ) { + xindex = (xint + widthIn ) % widthIn; + if( highx < xint + 1 ) { + xpercent = highx - x; + } else { + xpercent = xint + 1 - x; + } + + percent = xpercent * ypercent * zpercent; + volume += percent; + + temp = (xindex + ( yindex *widthIn) + (zindex * widthIn *heightIn)) * components; + for( k = 0; k < components; k++ ) { + assert( 0 <= (temp+k) && (temp+k) < (widthIn * heightIn * depthIn * components) ); + totals[k] += dataIn.get( temp + k ) * percent; + } + xint++; + x = xint; + } // while x + yint++; + y = yint; + } // while y + zint++; + z = zint; + } // while z + + temp = ( j + ( i * widthOut ) + (d * widthOut * heightOut ) ) * components; + for( k = 0; k < components; k++ ) { + // totals should be rounded in the case of enlarging an rgb ramp when the type is 332 or 4444 + assert( 0 <= ( temp + k ) && ( temp + k ) < (widthOut * heightOut* depthOut * components) ); + dataOut.put( temp + k, (short)((totals[k] + 0.5f) / volume ) ); + } + } + } + } + } + + public static int gluScaleImage3D( GL gl, int format, int widthIn, int heightIn, + int depthIn, int typeIn, ByteBuffer dataIn, int widthOut, int heightOut, + int depthOut, int typeOut, ByteBuffer dataOut ) { + int components; + ShortBuffer beforeImage, afterImage; + PixelStorageModes psm = new PixelStorageModes(); + + if( widthIn == 0 || heightIn == 0 || depthIn == 0 || + widthOut == 0 || heightOut == 0 || depthOut == 0 ) { + return( 0 ); + } + + if( widthIn < 0 || heightIn < 0 || depthIn < 0 || + widthOut < 0 || heightOut < 0 || depthOut < 0 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + if( !Mipmap.legalFormat(format) || !Mipmap.legalType(typeIn) || + !Mipmap.legalType(typeOut) || typeIn == GL2.GL_BITMAP || + typeOut == GL2.GL_BITMAP ) { + return( GLU.GLU_INVALID_ENUM ); + } + + if( !Mipmap.isLegalFormatForPackedPixelType( format, typeIn ) ) { + return( GLU.GLU_INVALID_OPERATION ); + } + + if( !Mipmap.isLegalFormatForPackedPixelType( format, typeOut ) ) { + return( GLU.GLU_INVALID_OPERATION ); + } + + try { + beforeImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( Mipmap.imageSize3D( widthIn, + heightIn, depthIn, format, GL2.GL_UNSIGNED_SHORT ) )).asShortBuffer(); + afterImage = InternalBufferUtil.nativeOrder(ByteBuffer.allocateDirect( Mipmap.imageSize3D( widthIn, + heightIn, depthIn, format, GL2.GL_UNSIGNED_SHORT ) )).asShortBuffer(); + } catch( OutOfMemoryError err ) { + return( GLU.GLU_OUT_OF_MEMORY ); + } + Mipmap.retrieveStoreModes3D( gl, psm ); + + Image.fillImage3D( psm, widthIn, heightIn, depthIn, format, typeIn, + Mipmap.is_index( format ), dataIn, beforeImage ); + components = Mipmap.elements_per_group( format, 0 ); + ScaleInternal.scaleInternal3D( components, widthIn, heightIn, depthIn, + beforeImage, widthOut, heightOut, depthOut, afterImage ); + Image.emptyImage3D( psm, widthOut, heightOut, depthOut, format, typeOut, + Mipmap.is_index( format ), afterImage, dataOut ); + + return( 0 ); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Type_Widget.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Type_Widget.java new file mode 100644 index 000000000..b329840ef --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/mipmap/Type_Widget.java @@ -0,0 +1,224 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Type_Widget { + + ByteBuffer buffer; + + /** Creates a new instance of Type_Widget */ + public Type_Widget() { + buffer = ByteBuffer.allocateDirect( 4 ); + } + + public void setUB0( byte b ) { + buffer.position( 0 ); + buffer.put( b ); + } + + public byte getUB0() { + buffer.position( 0 ); + return( buffer.get() ); + } + + public void setUB1( byte b ) { + buffer.position( 1 ); + buffer.put( b ); + } + + public byte getUB1() { + buffer.position( 1 ); + return( buffer.get() ); + } + + public void setUB2( byte b ) { + buffer.position( 2 ); + buffer.put( b ); + } + + public byte getUB2() { + buffer.position( 2 ); + return( buffer.get() ); + } + + public void setUB3( byte b ) { + buffer.position( 3 ); + buffer.put( b ); + } + + public byte getUB3() { + buffer.position( 3 ); + return( buffer.get() ); + } + + public void setUS0( short s ) { + buffer.position( 0 ); + buffer.putShort( s ); + } + + public short getUS0() { + buffer.position( 0 ); + return( buffer.getShort() ); + } + + public void setUS1( short s ) { + buffer.position( 2 ); + buffer.putShort( s ); + } + + public short getUS1() { + buffer.position( 2 ); + return( buffer.getShort() ); + } + + public void setUI( int i ) { + buffer.position( 0 ); + buffer.putInt( i ); + } + + public int getUI() { + buffer.position( 0 ); + return( buffer.getInt() ); + } + + public void setB0( byte b ) { + buffer.position( 0 ); + buffer.put( b ); + } + + public byte getB0() { + buffer.position( 0 ); + return( buffer.get() ); + } + + public void setB1( byte b ) { + buffer.position( 1 ); + buffer.put( b ); + } + + public byte getB1() { + buffer.position( 1 ); + return( buffer.get() ); + } + + public void setB2( byte b ) { + buffer.position( 2 ); + buffer.put( b ); + } + + public byte getB2() { + buffer.position( 2 ); + return( buffer.get() ); + } + + public void setB3( byte b ) { + buffer.position( 3 ); + buffer.put( b ); + } + + public byte getB3() { + buffer.position( 3 ); + return( buffer.get() ); + } + + public void setS0( short s ) { + buffer.position( 0 ); + buffer.putShort( s ); + } + + public short getS0() { + buffer.position( 0 ); + return( buffer.getShort() ); + } + + public void setS1( short s ) { + buffer.position( 2 ); + buffer.putShort( s ); + } + + public short getS1() { + buffer.position( 2 ); + return( buffer.getShort() ); + } + + public void setI( int i ) { + buffer.position( 0 ); + buffer.putInt( i ); + } + + public int getI() { + buffer.position( 0 ); + return( buffer.getInt() ); + } + + public void setF( float f ) { + buffer.position( 0 ); + buffer.putFloat( f ); + } + + public float getF() { + buffer.position( 0 ); + return( buffer.getFloat() ); + } + + public ByteBuffer getBuffer() { + buffer.rewind(); + return( buffer ); + } + + public static void main( String args[] ) { + Type_Widget t = new Type_Widget(); + t.setI( 1000000 ); + + System.out.println("int: " + Integer.toHexString( t.getI() ) ); + + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Arc.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Arc.java new file mode 100755 index 000000000..9ee2494a1 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Arc.java @@ -0,0 +1,258 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +*/ + +/** + * Trimming arc + * @author Tomas Hrasky + * + */ +public class Arc { + /** + * Corresponding picewise-linear arc + */ + public PwlArc pwlArc; + + /** + * Arc type + */ + private long type; + + /** + * Arc link in linked list + */ + public Arc link; + + /** + * Previous arc + */ + Arc prev; + + /** + * Next arc + */ + Arc next; + + /** + * Corresponding berizer type arc + */ + private BezierArc bezierArc; + + /** + * Makes new arc at specified side + * + * @param side + * which side doeas this arc form + */ + public Arc(int side) { + bezierArc = null; + pwlArc = null; + type = 0; + setside(side); + // nuid=_nuid + } + + /** + * Sets side the arc is at + * + * @param side + * arc side + */ + private void setside(int side) { + // DONE + clearside(); + type |= side << 8; + } + + /** + * Unsets side + */ + private void clearside() { + // DONE + type &= ~(0x7 << 8); + } + + // this one replaces enum arc_side + /** + * Side not specified + */ + public static final int ARC_NONE = 0; + + /** + * Arc on right + */ + public static final int ARC_RIGHT = 1; + + /** + * Arc on top + */ + public static final int ARC_TOP = 2; + + /** + * Arc on left + */ + public static final int ARC_LEFT = 3; + + /** + * Arc on bottom + */ + public static final int ARC_BOTTOM = 4; + + /** + * Bezier type flag + */ + private static final long BEZIER_TAG = 1 << 13; + + /** + * Arc type flag + */ + private static final long ARC_TAG = 1 << 3; + + /** + * Tail type tag + */ + private static final long TAIL_TAG = 1 << 6; + + /** + * Appends arc to the list + * + * @param jarc + * arc to be append + * @return this + */ + public Arc append(Arc jarc) { + // DONE + if (jarc != null) { + next = jarc.next; + prev = jarc; + next.prev = this; + prev.next = this; + } else { + next = this; + prev = this; + } + + return this; + } + + /** + * Unused + * + * @return true + */ + public boolean check() { + return true; + } + + /** + * Sets bezier type flag + */ + public void setbezier() { + // DONE + type |= BEZIER_TAG; + + } + + /** + * Returns tail of linked list coords + * + * @return tail coords + */ + public float[] tail() { + // DONE + return pwlArc.pts[0].param; + } + + /** + * Returns head of linked list coords + * + * @return head coords + */ + public float[] head() { + // DONE + return next.pwlArc.pts[0].param; + } + + /** + * Returns whether arc is marked with arc_tag + * + * @return is arc marked with arc_tag + */ + public boolean ismarked() { + // DONE + return ((type & ARC_TAG) > 0) ? true : false; + } + + /** + * Cleans arc_tag flag + */ + public void clearmark() { + // DONE + type &= (~ARC_TAG); + } + + /** + * Sets arc_tag flag + */ + public void setmark() { + // DONE + type |= ARC_TAG; + } + + /** + * sets tail tag + */ + public void setitail() { + // DONE + type |= TAIL_TAG; + } + + /** + * Returns whether arc is marked tail + * + * @return is tail + */ + public boolean getitail() { + return false; + } + + /** + * Unsets tail tag + */ + public void clearitail() { + // DONE + type &= (~TAIL_TAG); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcSdirSorter.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcSdirSorter.java new file mode 100755 index 000000000..3955e3176 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcSdirSorter.java @@ -0,0 +1,63 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class for sorting list of Arcs + * @author Tomas Hrasky + * + */ +public class ArcSdirSorter { + + /** + * Makes new ArcSdirSorter with Subdivider + * @param subdivider subdivider + */ + public ArcSdirSorter(Subdivider subdivider) { + //TODO + // System.out.println("TODO arcsdirsorter.constructor"); + } + + /** + * Sorts list of arcs + * @param list arc list to be sorted + * @param count size of list + */ + public void qsort(CArrayOfArcs list, int count) { + // TODO + // System.out.println("TODO arcsdirsorter.qsort"); + } + +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcTdirSorter.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcTdirSorter.java new file mode 100755 index 000000000..098ba97b7 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcTdirSorter.java @@ -0,0 +1,60 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class for sorting list of Arcs + * @author Tomas Hrasky + * + */ +public class ArcTdirSorter { + /** + * Makes new ArcSdirSorter with Subdivider + * @param subdivider subdivider + */ + public ArcTdirSorter(Subdivider subdivider) { + // TODO Auto-generated constructor stub + // System.out.println("TODO arcTsorter.konstruktor"); + } + /** + * Sorts list of arcs + * @param list arc list to be sorted + * @param count size of list + */ + public void qsort(CArrayOfArcs list, int count) { + // TODO Auto-generated method stub + // System.out.println("TODO arcTsorter.qsort"); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcTesselator.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcTesselator.java new file mode 100755 index 000000000..edfb8905f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/ArcTesselator.java @@ -0,0 +1,90 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class for arc tesselation + * @author Tomas Hrasky + * + */ +public class ArcTesselator { + + /** + * Makes given arc an bezier arc + * @param arc arc to work with + * @param s1 minimum s param + * @param s2 maximum s param + * @param t1 minimum t param + * @param t2 maximum s param + */ + public void bezier(Arc arc, float s1, float s2, float t1, float t2) { + // DONE + TrimVertex[] p = new TrimVertex[2]; + p[0] = new TrimVertex(); + p[1] = new TrimVertex(); + arc.pwlArc = new PwlArc(2, p); + p[0].param[0] = s1; + p[0].param[1] = s2; + p[1].param[0] = t1; + p[1].param[1] = t2; + arc.setbezier(); + } + + /** + * Empty method + * @param newright arc to work with + * @param s first tail + * @param t2 second tail + * @param t1 third tail + * @param f stepsize + */ + public void pwl_right(Arc newright, float s, float t1, float t2, float f) { + // TODO Auto-generated method stub + // System.out.println("TODO arctesselator.pwl_right"); + } + + /** + * Empty method + * @param newright arc to work with + * @param s first tail + * @param t2 second tail + * @param t1 third tail + * @param f stepsize + */ + public void pwl_left(Arc newright, float s, float t2, float t1, float f) { + // TODO Auto-generated method stub + // System.out.println("TODO arctesselator.pwl_left"); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Backend.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Backend.java new file mode 100755 index 000000000..39097720c --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Backend.java @@ -0,0 +1,217 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class responsible for rendering + * @author Tomas Hrasky + * + */ +public abstract class Backend { + + /** + * Fill surface + */ + public static final int N_MESHFILL = 0; + + /** + * Draw surface as wire model + */ + public static final int N_MESHLINE = 1; + + /** + * Draw surface with points + */ + public static final int N_MESHPOINT = 2; + + /** + * Object rendering curves + */ + protected CurveEvaluator curveEvaluator; + + /** + * Object rendering surfaces + */ + protected SurfaceEvaluator surfaceEvaluator; + + /** + * Makes new backend + */ + public Backend() { + // curveEvaluator = new OpenGLCurveEvaluator(); + // surfaceEvaluator = new OpenGLSurfaceEvaluator(); + } + + /** + * Begin a curve + */ + public void bgncurv() { + // DONE + curveEvaluator.bgnmap1f(); + + } + + /** + * End a curve + */ + public void endcurv() { + // DONE + curveEvaluator.endmap1f(); + + } + + /** + * Make cuve with given parameters + * @param type curve type + * @param ps control points + * @param stride control points coordinates number + * @param order order of curve + * @param ulo smallest u + * @param uhi highest u + */ + public void curvpts(int type, CArrayOfFloats ps, int stride, int order, + float ulo, float uhi) { + // DONE + curveEvaluator.map1f(type, ulo, uhi, stride, order, ps); + curveEvaluator.enable(type); + } + + /** + * Draw curve + * @param u1 smallest u + * @param u2 highest u + * @param nu number of pieces + */ + public void curvgrid(float u1, float u2, int nu) { + // DONE + curveEvaluator.mapgrid1f(nu, u1, u2); + + } + + /** + * Evaluates curve mesh + * @param from low param + * @param n step + */ + public void curvmesh(int from, int n) { + // DONE + curveEvaluator.mapmesh1f(N_MESHFILL, from, from + n); + } + + /** + * Begin surface + * @param wiretris use triangles + * @param wirequads use quads + */ + public void bgnsurf(int wiretris, int wirequads) { + // DONE + surfaceEvaluator.bgnmap2f(); + + if (wiretris > 0) + surfaceEvaluator.polymode(NurbsConsts.N_MESHLINE); + else + surfaceEvaluator.polymode(NurbsConsts.N_MESHFILL); + } + + /** + * End surface + */ + public void endsurf() { + // DONE + surfaceEvaluator.endmap2f(); + } + + /** + * Empty method + * @param ulo low u param + * @param uhi hig u param + * @param vlo low v param + * @param vhi high v param + */ + public void patch(float ulo, float uhi, float vlo, float vhi) { + // DONE + surfaceEvaluator.domain2f(ulo, uhi, vlo, vhi); + } + + /** + * Draw surface + * @param u0 lowest u + * @param u1 highest u + * @param nu number of pieces in u direction + * @param v0 lowest v + * @param v1 highest v + * @param nv number of pieces in v direction + */ + public void surfgrid(float u0, float u1, int nu, float v0, float v1, int nv) { + // DONE + surfaceEvaluator.mapgrid2f(nu, u0, u1, nv, v0, v1); + + } + + /** + * Evaluates surface mesh + * @param u u param + * @param v v param + * @param n step in u direction + * @param m step in v direction + */ + public void surfmesh(int u, int v, int n, int m) { + // System.out.println("TODO backend.surfmesh wireframequads"); + // TODO wireframequads + surfaceEvaluator.mapmesh2f(NurbsConsts.N_MESHFILL, u, u + n, v, v + m); + } + + /** + * Make surface + * @param type surface type + * @param pts control points + * @param ustride control points coordinates in u direction + * @param vstride control points coordinates in v direction + * @param uorder surface order in u direction + * @param vorder surface order in v direction + * @param ulo lowest u + * @param uhi hightest u + * @param vlo lowest v + * @param vhi hightest v + */ + public void surfpts(int type, CArrayOfFloats pts, int ustride, int vstride, + int uorder, int vorder, float ulo, float uhi, float vlo, float vhi) { + // DONE + surfaceEvaluator.map2f(type, ulo, uhi, ustride, uorder, vlo, vhi, + vstride, vorder, pts); + surfaceEvaluator.enable(type); + + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/BezierArc.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/BezierArc.java new file mode 100755 index 000000000..d9b390b67 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/BezierArc.java @@ -0,0 +1,44 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Empty class + * @author Tomas Hrasky + * + */ +public class BezierArc { + +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Bin.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Bin.java new file mode 100755 index 000000000..61316f348 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Bin.java @@ -0,0 +1,155 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class holding trimming arcs + * @author Tomas Hrasky + * + */ +public class Bin { + + /** + * Head of linked list of arcs + */ + private Arc head; + + /** + * Current arc + */ + private Arc current; + + /** + * Indicates whether there are any Arcs in linked list + * @return true if there are any Arcs in linked list + */ + public boolean isnonempty() { + // DONE + return this.head != null ? true : false; + } + + /** + * Adds and arc to linked list + * @param jarc added arc + */ + public void addarc(Arc jarc) { + // DONE + // if (head == null) + // head = jarc; + // else { + jarc.link = head; + head = jarc; + // } + + } + + /** + * Returns number of arcs in linked list + * @return number of arcs + */ + public int numarcs() { + // DONE + int count = 0; + for (Arc jarc = firstarc(); jarc != null; jarc = nextarc()) + count++; + return count; + } + + /** + * Removes first arc in list + * @return new linked list head + */ + public Arc removearc() { + // DONE + Arc jarc = head; + if (jarc != null) + head = jarc.link; + return jarc; + + } + + /** + * Consolidates linked list + */ + public void adopt() { + // DONE + markall(); + + Arc orphan; + while ((orphan = removearc()) != null) { + for (Arc parent = orphan.next; !parent.equals(orphan); parent = parent.next) { + if (!parent.ismarked()) { + orphan.link = parent.link; + parent.link = orphan; + orphan.clearmark(); + break; + } + } + } + + } + + /** + * Marks all arc in linked list + */ + private void markall() { + // DONE + for (Arc jarc = firstarc(); jarc != null; jarc = nextarc()) + jarc.setmark(); + } + + /** + * Returns first arc in linked list + * @return first arc in linked list + */ + private Arc firstarc() { + // DONE + current = head; + return nextarc(); + } + + /** + * Returns next arc in linked list + * @return next arc + * + */ + private Arc nextarc() { + // DONE + Arc jarc = current; + if (jarc != null) + current = jarc.link; + return jarc; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Breakpt.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Breakpt.java new file mode 100755 index 000000000..b5b88ad96 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Breakpt.java @@ -0,0 +1,59 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class holding break point parameters + * + * @author Tomas Hrasky + * + */ +public class Breakpt { + + /** + * Breakpoint multiplicity + */ + public int multi; + + /** + * Breakpint value + */ + public float value; + + /** + * Breakpoint deficit (how many times it has to be added) + */ + public int def; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfArcs.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfArcs.java new file mode 100755 index 000000000..0646e1d9f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfArcs.java @@ -0,0 +1,194 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/** + * Class replacing C language pointer + * + * @author Tomas Hrasky + * + */ +public class CArrayOfArcs { + /** + * Underlaying array + */ + private Arc[] array; + + /** + * Pointer to array member + */ + private int pointer; + + /** + * Don't check for array borders? + */ + private boolean noCheck = true; + + /** + * Makes new CArray + * + * @param array + * underlaying array + * @param pointer + * pointer (index) to array + */ + public CArrayOfArcs(Arc[] array, int pointer) { + this.array = array; + // this.pointer=pointer; + setPointer(pointer); + } + + /** + * Makes new CArray from other CArray + * + * @param carray + * reference array + */ + public CArrayOfArcs(CArrayOfArcs carray) { + this.array = carray.array; + // this.pointer=carray.pointer; + setPointer(carray.pointer); + } + + /** + * Makes new CArray with pointer set to 0 + * + * @param ctlarray + * underlaying array + */ + public CArrayOfArcs(Arc[] ctlarray) { + this.array = ctlarray; + this.pointer = 0; + } + + /** + * Returns element at pointer + * + * @return element at pointer + */ + public Arc get() { + return array[pointer]; + } + + /** + * Increases pointer by one (++) + */ + public void pp() { + // pointer++; + setPointer(pointer + 1); + } + + /** + * Sets element at pointer + * + * @param f + * desired value + */ + public void set(Arc f) { + array[pointer] = f; + + } + + /** + * Returns array element at specified index + * + * @param i + * array index + * @return element at index + */ + public Arc get(int i) { + return array[i]; + } + + /** + * Returns array element at specified index relatively to pointer + * + * @param i + * relative index + * @return element at relative index + */ + public Arc getRelative(int i) { + return array[pointer + i]; + } + + /** + * Sets value of element at specified index relatively to pointer + * + * @param i + * relative index + * @param value + * value to be set + */ + public void setRelative(int i, Arc value) { + array[pointer + i] = value; + } + + /** + * Lessens pointer by value + * + * @param i + * lessen by + */ + public void lessenPointerBy(int i) { + // pointer-=i; + setPointer(pointer - i); + } + + /** + * Returns pointer value + * + * @return pointer value + */ + public int getPointer() { + return pointer; + } + + /** + * Sets ponter value + * + * @param pointer + * pointer value to be set + */ + public void setPointer(int pointer) { + if (!noCheck && pointer > array.length) + throw new IllegalArgumentException("Pointer " + pointer + + " out of bounds " + array.length); + this.pointer = pointer; + } + + /** + * Raises pointer by value + * + * @param i + * raise by + */ + public void raisePointerBy(int i) { + // pointer+=i; + setPointer(pointer + i); + } + + /** + * Lessens ponter by one (--) + */ + public void mm() { + // pointer--; + setPointer(pointer - 1); + } + + /** + * Returns underlaying array + * + * @return underlaying array + */ + public Arc[] getArray() { + return array; + } + + /** + * Sets underlaying array + * + * @param array + * underlaying array + */ + public void setArray(Arc[] array) { + this.array = array; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfBreakpts.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfBreakpts.java new file mode 100755 index 000000000..e47fdf966 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfBreakpts.java @@ -0,0 +1,130 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/** + * Class replacing C language pointer + * + * @author Tomas Hrasky + * + */ +public class CArrayOfBreakpts { + /** + * Underlaying array + */ + private Breakpt[] pole; + + /** + * Pointer to array member + */ + private int pointer; + + /** + * Makes new CArray + * + * @param array + * underlaying array + * @param pointer + * pointer (index) to array + */ + public CArrayOfBreakpts(Breakpt[] array, int pointer) { + this.pole = array; + this.pointer = pointer; + } + + /** + * Makes new CArray from other CArray + * + * @param carray + * reference array + */ + public CArrayOfBreakpts(CArrayOfBreakpts carray) { + this.pole = carray.pole; + this.pointer = carray.pointer; + } + + /** + * Returns element at pointer + * + * @return element at pointer + */ + public Breakpt get() { + return pole[pointer]; + } + + /** + * Increases pointer by one (++) + */ + public void pp() { + pointer++; + } + + /** + * Sets element at pointer + * + * @param f + * desired value + */ + public void set(Breakpt f) { + pole[pointer] = f; + + } + + /** + * Returns array element at specified index + * + * @param i + * array index + * @return element at index + */ + public Breakpt get(int i) { + return pole[i]; + } + + /** + * Lessens pointer by value + * + * @param i + * lessen by + */ + public void lessenPointerBy(int i) { + pointer -= i; + + } + + /** + * Returns pointer value + * + * @return pointer value + */ + public int getPointer() { + return pointer; + } + + /** + * Sets ponter value + * + * @param pointer + * pointer value to be set + */ + public void setPointer(int pointer) { + this.pointer = pointer; + } + + /** + * Raises pointer by value + * + * @param i + * raise by + */ + public void raisePointerBy(int i) { + pointer += i; + + } + + /** + * Lessens ponter by one (--) + */ + public void mm() { + pointer--; + + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfFloats.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfFloats.java new file mode 100755 index 000000000..60cef9919 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfFloats.java @@ -0,0 +1,195 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/** + * Class replacing C language pointer + * + * @author Tomas Hrasky + * + */ +public class CArrayOfFloats { + + /** + * Underlaying array + */ + private float[] array; + + /** + * Pointer to array member + */ + private int pointer; + + /** + * Don't check for array borders? + */ + private boolean noCheck = true; + + /** + * Makes new CArray + * + * @param array + * underlaying array + * @param pointer + * pointer (index) to array + */ + public CArrayOfFloats(float[] array, int pointer) { + this.array = array; + // this.pointer=pointer; + setPointer(pointer); + } + + /** + * Makes new CArray from other CArray + * + * @param carray + * reference array + */ + public CArrayOfFloats(CArrayOfFloats carray) { + this.array = carray.array; + // this.pointer=carray.pointer; + setPointer(carray.pointer); + } + + /** + * Makes new CArray with pointer set to 0 + * + * @param ctlarray + * underlaying array + */ + public CArrayOfFloats(float[] ctlarray) { + this.array = ctlarray; + this.pointer = 0; + } + + /** + * Returns element at pointer + * + * @return element at pointer + */ + public float get() { + return array[pointer]; + } + + /** + * Increases pointer by one (++) + */ + public void pp() { + // pointer++; + setPointer(pointer + 1); + } + + /** + * Sets element at pointer + * + * @param f + * desired value + */ + public void set(float f) { + array[pointer] = f; + + } + + /** + * Returns array element at specified index + * + * @param i + * array index + * @return element at index + */ + public float get(int i) { + return array[i]; + } + + /** + * Returns array element at specified index relatively to pointer + * + * @param i + * relative index + * @return element at relative index + */ + public float getRelative(int i) { + return array[pointer + i]; + } + + /** + * Sets value of element at specified index relatively to pointer + * + * @param i + * relative index + * @param value + * value to be set + */ + public void setRelative(int i, float value) { + array[pointer + i] = value; + } + + /** + * Lessens pointer by value + * + * @param i + * lessen by + */ + public void lessenPointerBy(int i) { + // pointer-=i; + setPointer(pointer - i); + } + + /** + * Returns pointer value + * + * @return pointer value + */ + public int getPointer() { + return pointer; + } + + /** + * Sets ponter value + * + * @param pointer + * pointer value to be set + */ + public void setPointer(int pointer) { + if (!noCheck && pointer > array.length) + throw new IllegalArgumentException("Pointer " + pointer + + " out of bounds " + array.length); + this.pointer = pointer; + } + + /** + * Raises pointer by value + * + * @param i + * raise by + */ + public void raisePointerBy(int i) { + // pointer+=i; + setPointer(pointer + i); + } + + /** + * Lessens ponter by one (--) + */ + public void mm() { + // pointer--; + setPointer(pointer - 1); + } + + /** + * Returns underlaying array + * + * @return underlaying array + */ + public float[] getArray() { + return array; + } + + /** + * Sets underlaying array + * + * @param array + * underlaying array + */ + public void setArray(float[] array) { + this.array = array; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfQuiltspecs.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfQuiltspecs.java new file mode 100755 index 000000000..ef16a8204 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CArrayOfQuiltspecs.java @@ -0,0 +1,160 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/** + * Class replacing C language pointer + * + * @author Tomas Hrasky + * + */ +public class CArrayOfQuiltspecs { + /** + * Underlaying array + */ + private Quiltspec[] array; + + /** + * Pointer to array member + */ + private int pointer; + + /** + * Makes new CArray + * + * @param array + * underlaying array + * @param pointer + * pointer (index) to array + */ + public CArrayOfQuiltspecs(Quiltspec[] array, int pointer) { + this.array = array; + this.pointer = pointer; + } + + /** + * Makes new CArray from other CArray + * + * @param carray + * reference array + */ + public CArrayOfQuiltspecs(CArrayOfQuiltspecs carray) { + this.array = carray.array; + this.pointer = carray.pointer; + } + + /** + * Makes new CArray with pointer set to 0 + * + * @param array + * underlaying array + */ + public CArrayOfQuiltspecs(Quiltspec[] array) { + this.array = array; + this.pointer = 0; + } + + /** + * Returns element at pointer + * + * @return element at pointer + */ + public Quiltspec get() { + return array[pointer]; + } + + /** + * Increases pointer by one (++) + */ + public void pp() { + pointer++; + } + + /** + * Sets element at pointer + * + * @param f + * desired value + */ + public void set(Quiltspec f) { + array[pointer] = f; + + } + + /** + * Returns array element at specified index + * + * @param i + * array index + * @return element at index + */ + public Quiltspec get(int i) { + return array[i]; + } + + /** + * Lessens pointer by value + * + * @param i + * lessen by + */ + public void lessenPointerBy(int i) { + pointer -= i; + + } + + /** + * Returns pointer value + * + * @return pointer value + */ + public int getPointer() { + return pointer; + } + + /** + * Sets ponter value + * + * @param pointer + * pointer value to be set + */ + public void setPointer(int pointer) { + this.pointer = pointer; + } + + /** + * Raises pointer by value + * + * @param i + * raise by + */ + public void raisePointerBy(int i) { + pointer += i; + + } + + /** + * Lessens ponter by one (--) + */ + public void mm() { + pointer--; + + } + + /** + * Returns underlaying array + * + * @return underlaying array + */ + public Quiltspec[] getArray() { + return array; + } + + /** + * Sets underlaying array + * + * @param array + * underlaying array + */ + public void setArray(Quiltspec[] array) { + this.array = array; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Curve.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Curve.java new file mode 100755 index 000000000..fb1a5acea --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Curve.java @@ -0,0 +1,238 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class holding curve definition + * @author Tomáš Hráský + * + */ +public class Curve { + + /** + * Maximum coordinates per control point + */ + private static final int MAXCOORDS = 5; + + /** + * Max curve order + */ + private static final int MAXORDER = 24; + + /** + * Next curve in linked list + */ + public Curve next; + + /** + * OpenGL maps + */ + private Mapdesc mapdesc; + + /** + * Does the curve need sampling + */ + private boolean needsSampling; + + /** + * Culling + */ + private int cullval; + + /** + * Number of coords + */ + private int stride; + + /** + * Curve order + */ + private int order; + + /** + * Holds conversion range borders + */ + private float[] range; + + /** + * Subdivision stepsize + */ + public float stepsize; + + /** + * Minimal subdivision stepsize + */ + private float minstepsize; + + /** + * Sampling points + */ + float[] spts; + + /** + * Makes new Curve + * + * @param geo + * @param pta + * @param ptb + * @param c + * next curve in linked list + */ + public Curve(Quilt geo, float[] pta, float[] ptb, Curve c) { + + spts = new float[MAXORDER * MAXCOORDS]; + + mapdesc = geo.mapdesc; + + next = c; + needsSampling = mapdesc.isRangeSampling() ? true : false; + + cullval = mapdesc.isCulling() ? Subdivider.CULL_ACCEPT + : Subdivider.CULL_TRIVIAL_REJECT; + order = geo.qspec.get(0).order; + stride = MAXCOORDS; + + // CArrayOfFloats ps = geo.cpts; + CArrayOfFloats ps = new CArrayOfFloats(geo.cpts.getArray(), 0); + CArrayOfQuiltspecs qs = geo.qspec; + ps.raisePointerBy(qs.get().offset); + ps.raisePointerBy(qs.get().index * qs.get().order * qs.get().stride); + + if (needsSampling) { + mapdesc.xformSampling(ps, qs.get().order, qs.get().stride, spts, + stride); + } + if (cullval == Subdivider.CULL_ACCEPT) { + // System.out.println("TODO curve.Curve-cullval"); + // mapdesc.xformCulling(ps,qs.get().order,qs.get().stride,cpts,stride); + } + + range = new float[3]; + range[0] = qs.get().breakpoints[qs.get().index]; + range[1] = qs.get().breakpoints[qs.get().index + 1]; + range[2] = range[1] - range[0]; + // TODO it is necessary to solve problem with "this" pointer here + if (range[0] != pta[0]) { + // System.out.println("TODO curve.Curve-range0"); + // Curve lower=new Curve(this,pta,0); + // lower.next=next; + // this=lower; + } + if (range[1] != ptb[0]) { + // System.out.println("TODO curve.Curve-range1"); + // Curve lower=new Curve(this,ptb,0); + } + } + + /** + * Checks culling type + * @return Subdivider.CULL_ACCEPT + */ + public int cullCheck() { + if (cullval == Subdivider.CULL_ACCEPT) { + // System.out.println("TODO curve.cullval"); + // cullval=mapdesc.cullCheck(cpts,order,stride); + } + // TODO compute cullval and return the computed value + // return cullval; + return Subdivider.CULL_ACCEPT; + } + + /** + * Computes subdivision step size + */ + public void getStepSize() { + minstepsize = 0; + if (mapdesc.isConstantSampling()) { + setstepsize(mapdesc.maxrate); + } else if (mapdesc.isDomainSampling()) { + setstepsize(mapdesc.maxrate * range[2]); + } else { + assert (order <= MAXORDER); + + float tmp[][] = new float[MAXORDER][MAXCOORDS]; + + int tstride = (MAXORDER); + + int val = 0; + // mapdesc.project(spts,stride,tmp,tstride,order); + + // System.out.println("TODO curve.getsptepsize mapdesc.project"); + + if (val == 0) { + setstepsize(mapdesc.maxrate); + } else { + float t = mapdesc.getProperty(NurbsConsts.N_PIXEL_TOLERANCE); + if (mapdesc.isParametricDistanceSampling()) { + // System.out.println("TODO curve.getstepsize - parametric"); + } else if (mapdesc.isPathLengthSampling()) { + // System.out.println("TODO curve.getstepsize - pathlength"); + } else { + setstepsize(mapdesc.maxrate); + } + } + + } + + } + + /** + * Sets maximum subdivision step size + * @param max maximum subdivision step size + */ + private void setstepsize(float max) { + // DONE + stepsize = (max >= 1) ? (range[2] / max) : range[2]; + minstepsize = stepsize; + } + + /** + * Clamps the curve + */ + public void clamp() { + // DONE + if (stepsize < minstepsize) + stepsize = mapdesc.clampfactor * minstepsize; + } + + /** + * Tells whether curve needs subdivision + * + * @return curve needs subdivison + */ + public boolean needsSamplingSubdivision() { + return (stepsize < minstepsize); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CurveEvaluator.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CurveEvaluator.java new file mode 100755 index 000000000..c27ffd4c4 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/CurveEvaluator.java @@ -0,0 +1,86 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class rendering curves with OpenGL + * @author Tomáš Hráský + * + */ +public interface CurveEvaluator { + /** + * Pushes eval bit + */ + public void bgnmap1f(); + + /** + * Pops all OpenGL attributes + */ + public void endmap1f() ; + + /** + * Initializes opengl evaluator + * @param type curve type + * @param ulo lowest u + * @param uhi highest u + * @param stride control point coords + * @param order curve order + * @param ps control points + */ + public void map1f(int type, float ulo, float uhi, int stride, int order, + CArrayOfFloats ps) ; + + /** + * Calls opengl enable + * @param type what to enable + */ + public void enable(int type) ; + + /** + * Calls glMapGrid1f + * @param nu steps + * @param u1 low u + * @param u2 high u + */ + public void mapgrid1f(int nu, float u1, float u2) ; + + /** + * Evaluates a curve using glEvalMesh1f + * @param style Backend.N_MESHFILL/N_MESHLINE/N_MESHPOINT + * @param from lowest param + * @param to highest param + */ + public void mapmesh1f(int style, int from, int to) ; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Curvelist.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Curvelist.java new file mode 100755 index 000000000..fc3018833 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Curvelist.java @@ -0,0 +1,121 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class for woking with linked list of curves + * @author Tomas Hrasky + * + */ +public class Curvelist { + + /** + * Head of linked list + */ + private Curve curve; + + /** + * Holds conversion range borders + */ + float[] range; + + /** + * Subdivision step size + */ + public float stepsize; + + /** + * Do curves need subdivision? + */ + private boolean needsSubdivision; + + /** + * Makes new instance on top of specified lis of Quilts + * @param qlist underlaying list of quilts + * @param pta range start + * @param ptb range end + */ + public Curvelist(Quilt qlist, float[] pta, float[] ptb) { + // DONE + curve = null; + range = new float[3]; + + for (Quilt q = qlist; q != null; q = q.next) { + curve = new Curve(q, pta, ptb, curve); + } + range[0] = pta[0]; + range[1] = ptb[0]; + range[2] = range[1] - range[0]; + } + + /** + * Compute step size + */ + public void getstepsize() { + // DONE + stepsize = range[2]; + Curve c; + for (c = curve; c != null; c = c.next) { + c.getStepSize(); + c.clamp(); + stepsize = (c.stepsize < stepsize) ? c.stepsize : stepsize; + if (c.needsSamplingSubdivision()) + break; + } + needsSubdivision = (c != null) ? true : false; + + } + + /** + * Indicates whether curves need subdivision + * @return curves need subdivision + */ + public boolean needsSamplingSubdivision() { + // DONE + return needsSubdivision; + } + + /** + * Checks for culling + * @return Subdivider.CULL_TRIVIAL_REJECT or Subdivider.CULL_ACCEPT + */ + public int cullCheck() { + // DONE + for (Curve c = curve; c != null; c = c.next) + if (c.cullCheck() == Subdivider.CULL_TRIVIAL_REJECT) + return Subdivider.CULL_TRIVIAL_REJECT; + return Subdivider.CULL_ACCEPT; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/DisplayList.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/DisplayList.java new file mode 100755 index 000000000..39a3a28f4 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/DisplayList.java @@ -0,0 +1,56 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +import java.lang.reflect.Method; + +/** + * Display list + * @author Tomas Hrasky + * + */ +public class DisplayList { + + /** + * Append action to the display list + * @param src source object to invoke method on + * @param m invoked method + * @param arg method argument + */ + public void append(Object src, Method m, Object arg) { + // TODO Auto-generated method stub + // System.out.println("TODO displaylist append"); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Flist.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Flist.java new file mode 100755 index 000000000..00757ed7e --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Flist.java @@ -0,0 +1,130 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +import java.util.Arrays; + +/** + * List of breakpoints + * @author Tomas Hrasky + * + */ +public class Flist { + + /** + * Data elements end index + * + */ + public int end; + + /** + *Data elements start index + */ + public int start; + + /** + * Breakpoint values + */ + public float[] pts; + + /** + * Number of array fields + */ + private int npts; + + /** + * Grows list + * @param maxpts maximum desired size + */ + public void grow(int maxpts) { + // DONE + if (npts < maxpts) { + // npts=2*maxpts; + npts = maxpts; + pts = new float[npts]; + } + start = 0; + end = 0; + } + + /** + * Removes duplicate array elemnts + */ + public void filter() { + // INFO the aim of this method is to remove duplicates from array + + Arrays.sort(pts); + + start = 0; + + int j = 0; + + for (int i = 1; i < end; i++) { + if (pts[i] == pts[i - j - 1]) + j++; + pts[i - j] = pts[i]; + } + + end -= j; + + } + + /** + * Sets start and and to real start and end of array elements + * @param from start from + * @param to end at + */ + public void taper(float from, float to) { + // DONE + + while (pts[start] != from) { + start++; + } + + while (pts[end - 1] != to) { + end--; + } + + } + + /** + * Adds breakpoint value + * @param f value + */ + public void add(float f) { + //DONE + pts[end++] = f; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Knotspec.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Knotspec.java new file mode 100755 index 000000000..9251aa231 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Knotspec.java @@ -0,0 +1,557 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Knot vector specification + * + * @author Tomas Hrasky + * + */ +public class Knotspec { + + /** + * Begin of input knots + */ + public CArrayOfFloats inkbegin; + + /** + * End of input knots + */ + public CArrayOfFloats inkend; + + /** + * Stride before knot operations + */ + public int prestride; + + /** + * Curve order + */ + public int order; + + /** + * Next knot specification in linked list (used in surfaces) + */ + public Knotspec next; + + /** + * Last knot + */ + public CArrayOfFloats klast; + + /** + * First knot + */ + CArrayOfFloats kfirst; + + /** + * Beginning of breakpoints + */ + CArrayOfBreakpts bbegin; + + /** + * End of breakpoints + */ + CArrayOfBreakpts bend; + + /** + * Considered left end knot + */ + CArrayOfFloats kleft; + + /** + * Considered right end knot + */ + CArrayOfFloats kright; + + /** + * Offset before knot operations + */ + int preoffset; + + /** + * Control points array Length after knot operations + */ + int postwidth; + + /** + * Beginning of coeficients array + */ + private CArrayOfFloats sbegin; + + /** + * Beginning of output knots + */ + private CArrayOfFloats outkbegin; + + /** + * End of output knots + */ + private CArrayOfFloats outkend; + + /** + * Control points aray length before knot operations + */ + int prewidth; + + /** + * Offset after knot operations + */ + int postoffset; + + /** + * Number of control points' coordinates after knot operations + */ + public int poststride; + + /** + * Number of control points' coordinates + */ + public int ncoords; + + /** + * Tell whether knotspec has already benn transformed + */ + public boolean istransformed; + + /** + * Knotspec to be transformed + */ + public Knotspec kspectotrans; + + /** + * Finds knot border of knot insertion and required multiplicities + */ + public void preselect() { + // DONE + float kval; + + klast = new CArrayOfFloats(inkend); + klast.lessenPointerBy(order); + for (kval = klast.get(); klast.getPointer() != inkend.getPointer(); klast + .pp()) { + if (!Knotvector.identical(klast.get(), kval)) + break; + } + + kfirst = new CArrayOfFloats(inkbegin); + kfirst.raisePointerBy(order - 1); + for (kval = kfirst.get(); kfirst.getPointer() != inkend.getPointer(); kfirst + .pp()) { + if (!Knotvector.identical(kfirst.get(), kval)) + break; + } + + CArrayOfFloats k = new CArrayOfFloats(kfirst); + k.mm(); + + for (; k.getPointer() >= inkbegin.getPointer(); k.mm()) + if (!Knotvector.identical(kval, k.get())) + break; + k.pp(); + + Breakpt[] bbeginArray = new Breakpt[(klast.getPointer() - kfirst + .getPointer()) + 1]; + for (int i = 0; i < bbeginArray.length; i++) + bbeginArray[i] = new Breakpt(); + bbegin = new CArrayOfBreakpts(bbeginArray, 0); + bbegin.get().multi = kfirst.getPointer() - k.getPointer(); + bbegin.get().value = kval; + + bend = new CArrayOfBreakpts(bbegin); + kleft = new CArrayOfFloats(kfirst); + kright = new CArrayOfFloats(kfirst); + + } + + /** + * Perpares knotspec for transformation + */ + public void select() { + // DONE + breakpoints(); + knots(); + factors(); + + preoffset = kleft.getPointer() - (inkbegin.getPointer() + order); + postwidth = ((bend.getPointer() - bbegin.getPointer()) * order); + prewidth = (outkend.getPointer() - outkbegin.getPointer()) - order; + postoffset = (bbegin.get().def > 1) ? (bbegin.get().def - 1) : 0; + + } + + /** + * Computes alpha factors for computing new control points + */ + private void factors() { + // DONE + CArrayOfFloats mid = new CArrayOfFloats(outkend.getArray(), (outkend + .getPointer() - 1) + - order + bend.get().multi); + + CArrayOfFloats fptr = null; + if (sbegin != null) + fptr = new CArrayOfFloats(sbegin); + + for (CArrayOfBreakpts bpt = new CArrayOfBreakpts(bend); bpt + .getPointer() >= bbegin.getPointer(); bpt.mm()) { + mid.lessenPointerBy(bpt.get().multi); + int def = bpt.get().def - 1; + if (def < 0) + continue; + float kv = bpt.get().value; + + CArrayOfFloats kf = new CArrayOfFloats(mid.getArray(), (mid + .getPointer() - def) + + (order - 1)); + for (CArrayOfFloats kl = new CArrayOfFloats(kf.getArray(), kf + .getPointer() + + def); kl.getPointer() != kf.getPointer(); kl.mm()) { + CArrayOfFloats kh, kt; + for (kt = new CArrayOfFloats(kl), kh = new CArrayOfFloats(mid); kt + .getPointer() != kf.getPointer(); kh.mm(), kt.mm()) { + fptr.set((kv - kh.get()) / (kt.get() - kh.get())); + fptr.pp(); + } + kl.set(kv); + } + } + + } + + /** + * Makes new knot vector + */ + private void knots() { + // DONE + CArrayOfFloats inkpt = new CArrayOfFloats(kleft.getArray(), kleft + .getPointer() + - order); + CArrayOfFloats inkend = new CArrayOfFloats(kright.getArray(), kright + .getPointer() + + bend.get().def); + + outkbegin = new CArrayOfFloats(new float[inkend.getPointer() + - inkpt.getPointer()], 0); + CArrayOfFloats outkpt; + for (outkpt = new CArrayOfFloats(outkbegin); inkpt.getPointer() != inkend + .getPointer(); inkpt.pp(), outkpt.pp()) { + outkpt.set(inkpt.get()); + } + outkend = new CArrayOfFloats(outkpt); + } + + /** + * Analyzes breakpoints + */ + private void breakpoints() { + // DONE + CArrayOfBreakpts ubpt = new CArrayOfBreakpts(bbegin); + CArrayOfBreakpts ubend = new CArrayOfBreakpts(bend); + int nfactors = 0; + + ubpt.get().value = ubend.get().value; + ubpt.get().multi = ubend.get().multi; + + kleft = new CArrayOfFloats(kright); + + for (; kright.getPointer() != klast.getPointer(); kright.pp()) { + if (Knotvector.identical(kright.get(), ubpt.get().value)) { + ubpt.get().multi++; + } else { + ubpt.get().def = order - ubpt.get().multi; + nfactors += (ubpt.get().def * (ubpt.get().def - 1)) / 2; + ubpt.pp(); + ubpt.get().value = kright.get(); + ubpt.get().multi = 1; + } + } + ubpt.get().def = order - ubpt.get().multi; + nfactors += (ubpt.get().def * (ubpt.get().def - 1)) / 2; + + bend = new CArrayOfBreakpts(ubpt); + + if (nfactors > 0) { + sbegin = new CArrayOfFloats(new float[nfactors], 0); + } else { + sbegin = null; + } + + } + + /** + * Copies control points + * + * @param _inpt + * input control points + * @param _outpt + * output control points + */ + public void copy(CArrayOfFloats _inpt, CArrayOfFloats _outpt) { + CArrayOfFloats inpt = new CArrayOfFloats(_inpt); + CArrayOfFloats outpt = new CArrayOfFloats(_outpt); + + inpt.raisePointerBy(preoffset); + if (next != null) { + for (CArrayOfFloats lpt = new CArrayOfFloats(outpt.getArray(), + outpt.getPointer() + prewidth); outpt.getPointer() != lpt + .getPointer(); outpt.raisePointerBy(poststride)) { + next.copy(inpt, outpt); + inpt.raisePointerBy(prestride); + } + + } else { + for (CArrayOfFloats lpt = new CArrayOfFloats(outpt.getArray(), + outpt.getPointer() + prewidth); outpt.getPointer() != lpt + .getPointer(); outpt.raisePointerBy(poststride)) { + pt_io_copy(outpt, inpt); + inpt.raisePointerBy(prestride); + } + } + + } + + /** + * Copies one control point to other + * + * @param topt + * source control point + * @param frompt + * destination control point + */ + private void pt_io_copy(CArrayOfFloats topt, CArrayOfFloats frompt) { + // DONE + switch (ncoords) { + case 4: + topt.setRelative(3, frompt.getRelative(3)); + case 3: + topt.setRelative(2, frompt.getRelative(2)); + case 2: + topt.setRelative(1, frompt.getRelative(1)); + case 1: + topt.set(frompt.get()); + break; + default: + // TODO break with copying in general case + // System.out.println("TODO knotspec.pt_io_copy"); + break; + } + + } + + /** + * Inserts a knot + * + * @param _p + * inserted knot + */ + public void transform(CArrayOfFloats _p) { + CArrayOfFloats p = new CArrayOfFloats(_p); + // DONE + if (next != null) {//surface code + if (this.equals(kspectotrans)) { + next.transform(p); + } else { + if (istransformed) { + p.raisePointerBy(postoffset); + for (CArrayOfFloats pend = new CArrayOfFloats(p.getArray(), + p.getPointer() + postwidth); p.getPointer() != pend + .getPointer(); p.raisePointerBy(poststride)) + next.transform(p); + + } else { + CArrayOfFloats pend = new CArrayOfFloats(p.getArray(), p + .getPointer() + + prewidth); + for (; p.getPointer() != pend.getPointer(); p + .raisePointerBy(poststride)) + next.transform(p); + } + } + + } else {//code for curve + if (this.equals(kspectotrans)) { + insert(p); + } else { + if (istransformed) { + p.raisePointerBy(postoffset); + for (CArrayOfFloats pend = new CArrayOfFloats(p.getArray(), + p.getPointer() + postwidth); p.getPointer() != pend + .getPointer(); p.raisePointerBy(poststride)) { + kspectotrans.insert(p); + } + } else { + CArrayOfFloats pend = new CArrayOfFloats(p.getArray(), p + .getPointer() + + prewidth); + for (; p.getPointer() != pend.getPointer(); p + .raisePointerBy(poststride)) + kspectotrans.insert(p); + } + } + } + + } + + /** + * Inserts a knot and computes new control points + * + * @param p + * inserted knot + */ + private void insert(CArrayOfFloats p) { + // DONE + CArrayOfFloats fptr = null; + if (sbegin != null) + fptr = new CArrayOfFloats(sbegin); + CArrayOfFloats srcpt = new CArrayOfFloats(p.getArray(), p.getPointer() + + prewidth - poststride); + // CArrayOfFloats srcpt = new CArrayOfFloats(p.getArray(), prewidth - + // poststride); + CArrayOfFloats dstpt = new CArrayOfFloats(p.getArray(), p.getPointer() + + postwidth + postoffset - poststride); + // CArrayOfFloats dstpt = new CArrayOfFloats(p.getArray(), postwidth + + // postoffset - poststride); + CArrayOfBreakpts bpt = new CArrayOfBreakpts(bend); + + for (CArrayOfFloats pend = new CArrayOfFloats(srcpt.getArray(), srcpt + .getPointer() + - poststride * bpt.get().def); srcpt.getPointer() != pend + .getPointer(); pend.raisePointerBy(poststride)) { + CArrayOfFloats p1 = new CArrayOfFloats(srcpt); + for (CArrayOfFloats p2 = new CArrayOfFloats(srcpt.getArray(), srcpt + .getPointer() + - poststride); p2.getPointer() != pend.getPointer(); p1 + .setPointer(p2.getPointer()), p2 + .lessenPointerBy(poststride)) { + pt_oo_sum(p1, p1, p2, fptr.get(), 1.0 - fptr.get()); + fptr.pp(); + } + } + bpt.mm(); + for (; bpt.getPointer() >= bbegin.getPointer(); bpt.mm()) { + + for (int multi = bpt.get().multi; multi > 0; multi--) { + pt_oo_copy(dstpt, srcpt); + dstpt.lessenPointerBy(poststride); + srcpt.lessenPointerBy(poststride); + } + for (CArrayOfFloats pend = new CArrayOfFloats(srcpt.getArray(), + srcpt.getPointer() - poststride * bpt.get().def); srcpt + .getPointer() != pend.getPointer(); pend + .raisePointerBy(poststride), dstpt + .lessenPointerBy(poststride)) { + pt_oo_copy(dstpt, srcpt); + CArrayOfFloats p1 = new CArrayOfFloats(srcpt); + + for (CArrayOfFloats p2 = new CArrayOfFloats(srcpt.getArray(), + srcpt.getPointer() - poststride); p2.getPointer() != pend + .getPointer(); p1.setPointer(p2.getPointer()), p2 + .lessenPointerBy(poststride)) { + pt_oo_sum(p1, p1, p2, fptr.get(), 1.0 - fptr.get()); + fptr.pp(); + } + } + } + } + + /** + * Copies one control point to another + * + * @param topt + * source ctrl point + * @param frompt + * distance ctrl point + */ + private void pt_oo_copy(CArrayOfFloats topt, CArrayOfFloats frompt) { + // DONE + // this is a "trick" with case - "break" is omitted so it comes through all cases + switch (ncoords) { + case 4: + topt.setRelative(3, frompt.getRelative(3)); + case 3: + topt.setRelative(2, frompt.getRelative(2)); + case 2: + topt.setRelative(1, frompt.getRelative(1)); + case 1: + topt.setRelative(0, frompt.getRelative(0)); + break; + default: + // default uses memcpy but it is not needed (we probably won't have more than 4 coords) + // TODO not sure about it + break; + } + + } + + /** + * Computes new control point + * + * @param x + * first point + * @param y + * second point + * @param z + * third pont + * @param a + * alpha + * @param b + * 1 - alpha + */ + private void pt_oo_sum(CArrayOfFloats x, CArrayOfFloats y, + CArrayOfFloats z, float a, double b) { + // DONE + switch (ncoords) { + case 4: + x.setRelative(3, (float) (a * y.getRelative(3) + b + * z.getRelative(3))); + case 3: + x.setRelative(2, (float) (a * y.getRelative(2) + b + * z.getRelative(2))); + case 2: + x.setRelative(1, (float) (a * y.getRelative(1) + b + * z.getRelative(1))); + case 1: + x.setRelative(0, (float) (a * y.getRelative(0) + b + * z.getRelative(0))); + break; + default: + //no need of default - see previous method and its case statement + // System.out.println("TODO pt_oo_sum default"); + break; + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Knotvector.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Knotvector.java new file mode 100755 index 000000000..658a1cbda --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Knotvector.java @@ -0,0 +1,179 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Knot vector used in curve specification + * + * @author Tomas Hrasky + * + */ +public class Knotvector { + + /** + * Tolerance used when comparing knots - when difference is smaller, knots + * are considered equal + */ + public static final float TOLERANCE = 1.0e-5f; + + /** + * Maximum curve order + */ + private static final int MAXORDER = 24; + + /** + * Number of knots + */ + int knotcount; + + /** + * Number of control points' coordinates + */ + int stride; + + /** + * Curve order + */ + int order; + + /** + * Knots + */ + float[] knotlist; + + /** + * Makes new knotvector + * + * @param nknots + * number of knots + * @param stride + * number of ctrl points' corrdinates + * @param order + * curve order + * @param knot + * knots + */ + public Knotvector(int nknots, int stride, int order, float[] knot) { + // DONE + init(nknots, stride, order, knot); + } + + /** + * Initializes knotvector + * + * @param nknots + * number of knots + * @param stride + * number of ctrl points' corrdinates + * @param order + * curve order + * @param knot + * knots + */ + public void init(int nknots, int stride, int order, float[] knot) { + // DONE + this.knotcount = nknots; + this.stride = stride; + this.order = order; + this.knotlist = new float[nknots]; + for (int i = 0; i < nknots; i++) { + this.knotlist[i] = knot[i]; + } + + } + + /** + * Validates knot vector parameters + * + * @return knot vector validity + */ + public int validate() { + int kindex = knotcount - 1; + if (order < 1 || order > MAXORDER) { + return 1; + } + if (knotcount < 2 * order) { + return 2; + } + if (identical(knotlist[kindex - (order - 1)], knotlist[order - 1])) { + return 3; + } + for (int i = 0; i < kindex; i++) { + if (knotlist[i] > knotlist[i + 1]) + return 4; + } + int multi = 1; + for (; kindex >= 1; kindex--) { + if (knotlist[kindex] - knotlist[kindex - 1] < TOLERANCE) { + multi++; + continue; + } + if (multi > order) { + return 5; + } + multi = 1; + } + if (multi > order) { + return 5; + } + + return 0; + } + + /** + * Show specified message + * + * @param msg + * message to be shown + */ + public void show(String msg) { + // TODO Auto-generated method stub + // System.out.println("TODO knotvector.show"); + + } + + /** + * Compares two knots for equality + * + * @param a + * first knot + * @param b + * second knot + * @return knots are/are not equal + */ + public static boolean identical(float a, float b) { + return ((a - b) < TOLERANCE) ? true : false; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Mapdesc.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Mapdesc.java new file mode 100755 index 000000000..568eddc51 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Mapdesc.java @@ -0,0 +1,442 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class holding properties of OpenGL map + * @author Tomas Hrasky + * + */ +public class Mapdesc { + + /** + * Maximum control point coords + */ + private static final int MAXCOORDS = 5; + + /** + * Next description in list + */ + public Mapdesc next; + + /** + * Is map rational + */ + public int isrational; + + /** + * Number of control point coords + */ + public int ncoords; + + /** + * Map type + */ + private int type; + + /** + * Number of homogenous coords + */ + private int hcoords; + + /** + * Number of inhomogenous coords + */ + private int inhcoords; + + /** + * Not used + */ + private int mask; + + /** + * Value of N_PIXEL_TOLERANCE property + */ + private float pixel_tolerance; + + /** + * Value of N_ERROR_TOLERANCE property + */ + private float error_tolerance; + + /** + * Value of N_BBOX_SUBDIVIDING property + */ + private float bbox_subdividing; + + /** + * Value of N_CULLING property + */ + private float culling_method; + + /** + * Value of N_SAMPLINGMETHOD property + */ + private float sampling_method; + + /** + * Value of N_CLAMPFACTOR property + */ + float clampfactor; + + /** + * Value of N_MINSAVINGS property + */ + private float minsavings; + + /** + * Steps in u direction + */ + private float s_steps; + + /** + * Steps in v direction + */ + private float t_steps; + + /** + * Maximal step + */ + float maxrate; + + /** + * Maximal u direction step + */ + private float maxsrate; + + /** + * Maximal v direction step + */ + private float maxtrate; + + /** + * Not used + */ + private float[][] bmat; + + /** + * Sampling matrix + */ + private float[][] smat; + + /** + * Not used + */ + private float[][] cmat; + + /** + * Not used + */ + private float[] bboxsize; + + /** + * Makes new mapdesc + * @param type map type + * @param rational is rational + * @param ncoords number of control points coords + * @param backend backend object + */ + public Mapdesc(int type, int rational, int ncoords, Backend backend) { + // DONE + this.type = type; + this.isrational = rational; + this.ncoords = ncoords; + this.hcoords = ncoords + (isrational > 0 ? 0 : 1); + this.inhcoords = ncoords - (isrational > 0 ? 1 : 0); + this.mask = ((1 << (inhcoords * 2)) - 1); + next = null; + + assert (hcoords <= MAXCOORDS); + assert (inhcoords >= 1); + + pixel_tolerance = 1f; + error_tolerance = 1f; + bbox_subdividing = NurbsConsts.N_NOBBOXSUBDIVISION; + culling_method = NurbsConsts.N_NOCULLING; + sampling_method = NurbsConsts.N_NOSAMPLING; + clampfactor = NurbsConsts.N_NOCLAMPING; + minsavings = NurbsConsts.N_NOSAVINGSSUBDIVISION; + s_steps = 0f; + t_steps = 0f; + + maxrate = (s_steps < 0) ? 0 : s_steps; + maxsrate = (s_steps < 0) ? 0 : s_steps; + maxtrate = (t_steps < 0) ? 0 : t_steps; + bmat = new float[MAXCOORDS][MAXCOORDS]; + cmat = new float[MAXCOORDS][MAXCOORDS]; + smat = new float[MAXCOORDS][MAXCOORDS]; + + identify(bmat); + identify(cmat); + identify(smat); + bboxsize = new float[MAXCOORDS]; + for (int i = 0; i < inhcoords; i++) + bboxsize[i] = 1; + } + + /** + * Make matrix identity matrix + * @param arr matrix + */ + private void identify(float[][] arr) { + // DONE + for (int i = 0; i < MAXCOORDS; i++) + for (int j = 0; j < MAXCOORDS; j++) + arr[i][j] = 0; + for (int i = 0; i < MAXCOORDS; i++) + arr[i][i] = 1; + + } + + /** + * Tells whether tag is property tag + * @param tag property tag + * @return is/is not property + */ + public boolean isProperty(int tag) { + boolean ret; + switch (tag) { + case NurbsConsts.N_PIXEL_TOLERANCE: + case NurbsConsts.N_ERROR_TOLERANCE: + case NurbsConsts.N_CULLING: + case NurbsConsts.N_BBOX_SUBDIVIDING: + case NurbsConsts.N_S_STEPS: + case NurbsConsts.N_T_STEPS: + case NurbsConsts.N_SAMPLINGMETHOD: + case NurbsConsts.N_CLAMPFACTOR: + case NurbsConsts.N_MINSAVINGS: + ret = true; + break; + default: + ret = false; + break; + } + return ret; + } + + /** + * Returns number of control points' coords + * @return number of control points' coords + */ + public int getNCoords() { + return ncoords; + } + + /** + * Returns map type + * @return map type + */ + public int getType() { + return type; + } + + /** + * Tells whether map is range sampling + * @return is map range sampling + */ + public boolean isRangeSampling() { + // DONE + return (isParametricDistanceSampling() || isPathLengthSampling() + || isSurfaceAreaSampling() || isObjectSpaceParaSampling() || isObjectSpacePathSampling()); + } + + /** + * Tells whether map is object space sampling + * @return is map object space sampling + */ + private boolean isObjectSpacePathSampling() { + // DONE + return sampling_method == NurbsConsts.N_OBJECTSPACE_PATH; + } + + /** + * Tells whether map is object space parasampling + * @return is map object space parasampling + */ + private boolean isObjectSpaceParaSampling() { + // DONE + return sampling_method == NurbsConsts.N_OBJECTSPACE_PARA; + } + + /** + * Tells whether map is area sampling surface + * @return is map area sampling surface + */ + private boolean isSurfaceAreaSampling() { + // DONE + return sampling_method == NurbsConsts.N_SURFACEAREA; + } + + /** + * Tells whether map is path length sampling + * @return is map path length sampling + */ + boolean isPathLengthSampling() { + // DONE + return sampling_method == NurbsConsts.N_PATHLENGTH; + } + + /** + * Tells whether map is parametric distance sampling + * @return is map parametric distance sampling + */ + boolean isParametricDistanceSampling() { + // DONE + return sampling_method == NurbsConsts.N_PARAMETRICDISTANCE; + } + + /** + * Tells whether map is culling + * @return is map culling + */ + public boolean isCulling() { + // DONE + return culling_method != NurbsConsts.N_NOCULLING ? true : false; + } + + /** + * Tells whether map is constantly sampling + * @return is map constant sampling + */ + public boolean isConstantSampling() { + return (sampling_method == NurbsConsts.N_FIXEDRATE) ? true : false; + } + + /** + * Tells whether map is domain sampling + * @return is map domain sampling + */ + public boolean isDomainSampling() { + return (sampling_method == NurbsConsts.N_DOMAINDISTANCE) ? true : false; + } + + /** + * Returns property of specified tag value + * @param tag property tag + * @return property value + */ + public float getProperty(int tag) { + // TODO Auto-generated method stub + // System.out.println("TODO mapdesc.getproperty"); + return 0; + } + + /** + * Sets property with given tag + * @param tag property tag + * @param value desired value + */ + public void setProperty(int tag, float value) { + // TODO Auto-generated method stub + switch (tag) { + case NurbsConsts.N_PIXEL_TOLERANCE: + pixel_tolerance = value; + break; + case NurbsConsts.N_ERROR_TOLERANCE: + error_tolerance = value; + break; + case NurbsConsts.N_CULLING: + culling_method = value; + break; + case NurbsConsts.N_BBOX_SUBDIVIDING: + if (value <= 0) + value = NurbsConsts.N_NOBBOXSUBDIVISION; + bbox_subdividing = value; + break; + case NurbsConsts.N_S_STEPS: + if (value < 0) + value = 0; + s_steps = value; + maxrate = value; + maxsrate = value; + break; + case NurbsConsts.N_T_STEPS: + if (value < 0) + value = 0; + t_steps = value; + maxtrate = value; + break; + case NurbsConsts.N_SAMPLINGMETHOD: + sampling_method = value; + break; + case NurbsConsts.N_CLAMPFACTOR: + if (value < 0) + value = 0; + clampfactor = value; + break; + case NurbsConsts.N_MINSAVINGS: + if (value <= 0) + value = NurbsConsts.N_NOSAVINGSSUBDIVISION; + minsavings = value; + break; + } + } + + /** + * Samples curve + * @param pts control points + * @param order curve order + * @param stride number of control points' coordinates + * @param sp breakpoints + * @param outstride output number of control points' coordinates + */ + public void xformSampling(CArrayOfFloats pts, int order, int stride, + float[] sp, int outstride) { + // DONE + xFormMat(smat, pts, order, stride, sp, outstride); + } + + /** + * Empty method + * @param mat sampling matrix + * @param pts ontrol points + * @param order curve order + * @param stride number of control points' coordinates + * @param cp breakpoints + * @param outstride output number of control points' coordinates + */ + private void xFormMat(float[][] mat, CArrayOfFloats pts, int order, + int stride, float[] cp, int outstride) { + // TODO Auto-generated method stub + + // System.out.println("TODO mapdsc.xformmat ; change cp from float[] to carrayoffloats"); + + if (isrational > 0) { + + } else { + + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Maplist.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Maplist.java new file mode 100755 index 000000000..b23a1f665 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Maplist.java @@ -0,0 +1,122 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class holding list of Mapdescs + * @author Tomáš Hráský + * + */ +public class Maplist { + /** + * Head of linked list + */ + private Mapdesc maps; + + /** + * Backend class + */ + private Backend backend; + + /** + * Makes new Maplist + * @param backend Backend class + */ + public Maplist(Backend backend) { + this.backend = backend; + } + + /** + * Sets linked list beginning to null + */ + public void initialize() { + // TODO mapdespool.clear ? + maps = null; + } + + /** + * Defines new Mapdesc if it is not defined and appends it to linked list + * @param type map type + * @param rational is map rational + * @param ncoords number of coords + */ + public void define(int type, int rational, int ncoords) { + // DONE + Mapdesc m = locate(type); + assert (m == null || (m.isrational == rational && m.ncoords == ncoords)); + add(type, rational, ncoords); + + } + + /** + * Adds new Mapdesc to linked list + * @param type map type + * @param rational is map rational + * @param ncoords number of coords + */ + private void add(int type, int rational, int ncoords) { + // DONE + Mapdesc map = new Mapdesc(type, rational, ncoords, backend); + if (maps == null) { + maps = map; + } else { + map.next = maps; + maps = map; + } + } + + /** + * Tries to find Mapdesc in linked list + * @param type map type + * @return Mapdesc of type or null if there is no such map + */ + public Mapdesc locate(int type) { + // DONE + Mapdesc m = null; + for (m = maps; m != null; m = m.next) + if (m.getType() == type) + break; + return m; + } + + /** + * Alias for locate + * @param type maptype + * @return Mapdesc of type or null if there is no such map + */ + public Mapdesc find(int type) { + return locate(type); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/NurbsConsts.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/NurbsConsts.java new file mode 100755 index 000000000..ee7f3b31b --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/NurbsConsts.java @@ -0,0 +1,184 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class hodling NURBS constants as seen in OpenGL GLU documentation + * @author JOGL project + * + */ +public class NurbsConsts { + /* + * NURBS Properties - one set per map, each takes a single INREAL arg + */ + public static final int N_SAMPLING_TOLERANCE = 1; + + public static final int N_S_RATE = 6; + + public static final int N_T_RATE = 7; + + public static final int N_CLAMPFACTOR = 13; + + public static final float N_NOCLAMPING = 0.0f; + + public static final int N_MINSAVINGS = 14; + + public static final float N_NOSAVINGSSUBDIVISION = 0.0f; + + /* + * NURBS Properties - one set per map, each takes an enumerated value + */ + public static final int N_CULLING = 2; + + public static final float N_NOCULLING = 0.0f; + + public static final float N_CULLINGON = 1.0f; + + public static final int N_SAMPLINGMETHOD = 10; + + public static final float N_NOSAMPLING = 0.0f; + + public static final float N_FIXEDRATE = 3.0f; + + public static final float N_DOMAINDISTANCE = 2.0f; + + public static final float N_PARAMETRICDISTANCE = 5.0f; + + public static final float N_PATHLENGTH = 6.0f; + + public static final float N_SURFACEAREA = 7.0f; + + public static final float N_OBJECTSPACE_PARA = 8.0f; + + public static final float N_OBJECTSPACE_PATH = 9.0f; + + public static final int N_BBOX_SUBDIVIDING = 17; + + public static final float N_NOBBOXSUBDIVISION = 0.0f; + + public static final float N_BBOXTIGHT = 1.0f; + + public static final float N_BBOXROUND = 2.0f; + + /* + * NURBS Rendering Properties - one set per renderer each takes an + * enumerated value + */ + public static final int N_DISPLAY = 3; + + public static final int N_FILL = 1; + + public static final int N_OUTLINE_POLY = 2; + + public static final int N_OUTLINE_TRI = 3; + + public static final int N_OUTLINE_QUAD = 4; + + public static final int N_OUTLINE_PATCH = 5; + + public static final int N_OUTLINE_PARAM = 6; + + public static final int N_OUTLINE_PARAM_S = 7; + + public static final int N_OUTLINE_PARAM_ST = 8; + + public static final int N_OUTLINE_SUBDIV = 9; + + public static final int N_OUTLINE_SUBDIV_S = 10; + + public static final int N_OUTLINE_SUBDIV_ST = 11; + + public static final int N_ISOLINE_S = 12; + + public static final int N_ERRORCHECKING = 4; + + public static final int N_NOMSG = 0; + + public static final int N_MSG = 1; + + /* GL 4.0 propeties not defined above */ + + public static final int N_PIXEL_TOLERANCE = N_SAMPLING_TOLERANCE; + + public static final int N_ERROR_TOLERANCE = 20; + + public static final int N_SUBDIVISIONS = 5; + + public static final int N_TILES = 8; + + public static final int N_TMP1 = 9; + + public static final int N_TMP2 = N_SAMPLINGMETHOD; + + public static final int N_TMP3 = 11; + + public static final int N_TMP4 = 12; + + public static final int N_TMP5 = N_CLAMPFACTOR; + + public static final int N_TMP6 = N_MINSAVINGS; + + public static final int N_S_STEPS = N_S_RATE; + + public static final int N_T_STEPS = N_T_RATE; + + /* + * NURBS Rendering Properties - one set per map, each takes an INREAL matrix + * argument + */ + public static final int N_CULLINGMATRIX = 1; + + public static final int N_SAMPLINGMATRIX = 2; + + public static final int N_BBOXMATRIX = 3; + + /* + * NURBS Rendering Properties - one set per map, each takes an INREAL vector + * argument + */ + public static final int N_BBOXSIZE = 4; + + /* type argument for trimming curves */ + + public static final int N_P2D = 0x8; + + public static final int N_P2DR = 0xd; + + public static final int N_MESHLINE = 1; + + public static final int N_MESHFILL = 0; + + public static final int N_MESHPOINT = 2; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_curve.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_curve.java new file mode 100755 index 000000000..900f8e56f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_curve.java @@ -0,0 +1,63 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Struct holding curve links + * @author Tomáš Hráský + * + */ +public class O_curve { + + /** + * Curve type + */ + public int curvetype; + + /** + * Next curve in linked list + */ + public O_curve next; + + /** + * Curve of picewiselinear type + */ + public O_pwlcurve o_pwlcurve; + + /** + * NURBS curve + */ + public O_nurbscurve o_nurbscurve; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_nurbscurve.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_nurbscurve.java new file mode 100755 index 000000000..81110813f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_nurbscurve.java @@ -0,0 +1,80 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * NURBS curve object + * @author Tomáš Hráský + * + */ +public class O_nurbscurve { + + /** + * List of bezier curves + */ + public Quilt bezier_curves; + + /** + * Curve type + */ + public int type; + + /** + * Was curve used ? + */ + public boolean used; + + /** + * Parent curve + */ + public O_curve owner; + + /** + * Next curve in list + */ + public O_nurbscurve next; + + /** + * Makes new O_nurbscurve + * @param realType type of curve + */ + public O_nurbscurve(int realType) { + // DONE + this.type = realType; + this.owner = null; + this.next = null; + this.used = false; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_nurbssurface.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_nurbssurface.java new file mode 100755 index 000000000..b598f525d --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_nurbssurface.java @@ -0,0 +1,79 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * NURBS surface object + * @author Tomáš Hráský + * + */ +public class O_nurbssurface { + + /** + * List of bezier patches forming NURBS surface + */ + public Quilt bezier_patches; + + /** + * Was surface used + */ + public boolean used; + + /** + * Parent O_surface + */ + public O_surface owner; + + /** + * Next surface in list + */ + public O_nurbssurface next; + + /** + * Surface type + */ + private int type; + + /** + * Makes new O_nurbssurface of type + * @param type surface type + */ + public O_nurbssurface(int type) { + this.type = type; + this.owner = null; + this.next = null; + this.used = false; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_pwlcurve.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_pwlcurve.java new file mode 100755 index 000000000..e50f41d81 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_pwlcurve.java @@ -0,0 +1,44 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Empty class + * @author Tomáš Hráský + * + */ +public class O_pwlcurve { + +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_surface.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_surface.java new file mode 100755 index 000000000..76ac79f0a --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_surface.java @@ -0,0 +1,52 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Surface object + * @author Tomáš Hráský + * + */ +public class O_surface { + /** + * NURBS surface + */ + public O_nurbssurface o_nurbssurface; + + /** + * Trims + */ + public O_trim o_trim; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_trim.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_trim.java new file mode 100755 index 000000000..17e5002df --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/O_trim.java @@ -0,0 +1,44 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Empty class + * @author Tomáš Hráský + * + */ +public class O_trim { + +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Patch.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Patch.java new file mode 100755 index 000000000..d3066cc84 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Patch.java @@ -0,0 +1,54 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Empty class + * @author Tomas Hrasky + * + */ +public class Patch { + + /** + * Empty constructor + * @param q + * @param pta + * @param ptb + * @param patch + */ + public Patch(Quilt q, float[] pta, float[] ptb, Patch patch) { + // System.out.println("TODO patch.constructor"); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Patchlist.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Patchlist.java new file mode 100755 index 000000000..8b439a02f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Patchlist.java @@ -0,0 +1,145 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * List of patches + * @author Tomáš Hráský + * + */ +public class Patchlist { + + /** + * Array of ranges + */ + public Pspec[] pspec; + + /** + * head of list of patches + */ + private Patch patch; + + /** + * Makes new list of patches + * @param quilts list of quilts + * @param pta low border + * @param ptb high border + */ + public Patchlist(Quilt quilts, float[] pta, float[] ptb) { + // DONE + patch = null; + + for (Quilt q = quilts; q != null; q = q.next) + patch = new Patch(q, pta, ptb, patch); + pspec[0] = new Pspec(); + pspec[0].range[0] = pta[0]; + pspec[0].range[1] = ptb[0]; + pspec[0].range[2] = ptb[0] - pta[0]; + pspec[1] = new Pspec(); + pspec[1].range[0] = pta[1]; + pspec[1].range[1] = ptb[1]; + pspec[1].range[2] = ptb[1] - pta[1]; + + } + + /** + * Empty constructor + * @param patchlist + * @param param + * @param mid + */ + public Patchlist(Patchlist patchlist, int param, float mid) { + // TODO Auto-generated constructor stub + // System.out.println("TODO patchlist.konstruktor 2"); + } + + /** + * Empty method + * @return 0 + */ + public int cullCheck() { + // TODO Auto-generated method stub + // System.out.println("TODO patchlist.cullcheck"); + return 0; + } + + /** + * Empty method + */ + public void getstepsize() { + // System.out.println("TODO patchlist.getsptepsize"); + // TODO Auto-generated method stub + + } + + /** + * Empty method + * @return false + */ + public boolean needsSamplingSubdivision() { + // TODO Auto-generated method stub + // System.out.println("patchlist.needsSamplingSubdivision"); + return false; + } + + /** + * Empty method + * @param i + * @return false + */ + public boolean needsSubdivision(int i) { + // TODO Auto-generated method stub + // System.out.println("TODO patchlist.needsSubdivision"); + return false; + } + + /** + * Empty method + * @return false + */ + public boolean needsNonSamplingSubdivision() { + // TODO Auto-generated method stub + // System.out.println("TODO patchlist.needsNonSamplingSubdivision"); + return false; + } + + /** + * Empty method + */ + public void bbox() { + // TODO Auto-generated method stub + // System.out.println("TODO patchlist.bbox"); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Property.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Property.java new file mode 100755 index 000000000..b486a0ead --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Property.java @@ -0,0 +1,75 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class representing property + * + * @author Tomas Hrasky + * + */ +public class Property { + + /** + * Property type + */ + public int type; + + /** + * Property id + */ + public int tag; + + /** + * Property value + */ + public float value; + + /** + * Makes new property with given parameters + * + * @param type + * property type + * @param tag + * property id + * @param value + * property value + */ + public Property(int type, int tag, float value) { + this.type = type; + this.tag = tag; + this.value = value; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Pspec.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Pspec.java new file mode 100755 index 000000000..1e60ed335 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Pspec.java @@ -0,0 +1,47 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class holding range + * @author Tomáš Hráský + * + */ +public class Pspec { + /** + * Range + */ + public float[] range; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/PwlArc.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/PwlArc.java new file mode 100755 index 000000000..0c9eca91e --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/PwlArc.java @@ -0,0 +1,71 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Picewiselinar trimming arc + * @author Tomáš Hráský + * + */ +public class PwlArc { + + /** + * Number of points + */ + private int npts; + + /** + * Vertexes + */ + public TrimVertex[] pts; + + /** + * Arc type + */ + private int type; + + /** + * Makes new trimming arc + * @param i num ber of vertexes + * @param p trimming vertexes array + */ + public PwlArc(int i, TrimVertex[] p) { + // DONE + this.npts = i; + this.pts = p; + type = NurbsConsts.N_P2D; + + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Quilt.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Quilt.java new file mode 100755 index 000000000..03e809d23 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Quilt.java @@ -0,0 +1,282 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class for converting NURBS curves and surfaces to list of bezier arcs or patches repectively + * @author Tomáš Hráský + * + */ +public class Quilt { + /** + * Maximum quilt dimension + */ + private static final int MAXDIM = 2; + + /** + * List of map descriptions + */ + Mapdesc mapdesc; + + /** + * Array of quiltspecs pointer + */ + public CArrayOfQuiltspecs qspec; + + /** + * End array of quilt specs pointer + */ + public CArrayOfQuiltspecs eqspec; + + /** + * Control points + */ + public CArrayOfFloats cpts; + + /** + * Next quilt in list + */ + public Quilt next; + + /** + * Makes new quilt with mapdesc + * @param mapdesc map description + */ + public Quilt(Mapdesc mapdesc) { + // DONE + this.mapdesc = mapdesc; + Quiltspec[] tmpquilts = new Quiltspec[MAXDIM]; + for (int i = 0; i < tmpquilts.length; i++) + tmpquilts[i] = new Quiltspec(); + this.qspec = new CArrayOfQuiltspecs(tmpquilts); + + } + + /** + * Converts NURBS surface to bezier patches + * @param sknotvector knots in u direction + * @param tknotvector knots in v direction + * @param ctrlarr control points + * @param coords control points coords + */ + public void toBezier(Knotvector sknotvector, Knotvector tknotvector, + CArrayOfFloats ctrlarr, int coords) { + Splinespec spline = new Splinespec(2); + spline.kspecinit(sknotvector, tknotvector); + spline.select(); + spline.layout(coords); + spline.setupquilt(this); + spline.copy(ctrlarr); + spline.transform(); + } + + /** + * Converts NURBS curve to list of bezier curves + * @param knots knot vector + * @param ctlarray control points + * @param ncoords number of coordinates + */ + public void toBezier(Knotvector knots, CArrayOfFloats ctlarray, int ncoords) { + // DONE + Splinespec spline = new Splinespec(1); + spline.kspecinit(knots); + spline.select(); + spline.layout(ncoords); + spline.setupquilt(this); + spline.copy(ctlarray); + spline.transform(); + } + + /** + * Walks thru all arcs/patches + * @param pta low border + * @param ptb high border + * @param backend Backend + */ + public void downloadAll(float[] pta, float[] ptb, Backend backend) { + // DONE + for (Quilt m = this; m != null; m = m.next) { + m.select(pta, ptb); + m.download(backend); + } + + } + + /** + * Renders arcs/patches + * @param backend Backend for rendering + */ + private void download(Backend backend) { + // DONE + if (getDimension() == 2) { + + CArrayOfFloats ps = new CArrayOfFloats(cpts); + ps.raisePointerBy(qspec.get(0).offset); + ps.raisePointerBy(qspec.get(1).offset); + ps.raisePointerBy(qspec.get(0).index * qspec.get(0).order + * qspec.get(0).stride); + ps.raisePointerBy(qspec.get(1).index * qspec.get(1).order + * qspec.get(1).stride); + + backend.surfpts(mapdesc.getType(), ps, qspec.get(0).stride, qspec + .get(1).stride, qspec.get(0).order, qspec.get(1).order, + qspec.get(0).breakpoints[qspec.get(0).index], + qspec.get(0).breakpoints[qspec.get(0).index + 1], qspec + .get(1).breakpoints[qspec.get(1).index], qspec + .get(1).breakpoints[qspec.get(1).index + 1]); + + } else {// code for curves + // CArrayOfFloats ps=new CArrayOfFloats(cpts); + CArrayOfFloats ps = new CArrayOfFloats(cpts.getArray(), 0); + ps.raisePointerBy(qspec.get(0).offset); + ps.raisePointerBy(qspec.get(0).index * qspec.get(0).order + * qspec.get(0).stride); + backend.curvpts(mapdesc.getType(), ps, qspec.get(0).stride, qspec + .get(0).order, + qspec.get(0).breakpoints[qspec.get(0).index], + qspec.get(0).breakpoints[qspec.get(0).index + 1]); + } + + } + + /** + * Returns quilt dimension + * @return quilt dimesion + */ + private int getDimension() { + // DONE + return eqspec.getPointer() - qspec.getPointer(); + } + + /** + * Finds Quiltspec.index + * @param pta range + * @param ptb range + */ + private void select(float[] pta, float[] ptb) { + // DONE + int dim = eqspec.getPointer() - qspec.getPointer(); + int i, j; + for (i = 0; i < dim; i++) { + for (j = qspec.get(i).width - 1; j >= 0; j--) + if (qspec.get(i).breakpoints[j] <= pta[i] + && ptb[i] <= qspec.get(i).breakpoints[j + 1]) + break; + assert (j != -1); + qspec.get(i).index = j; + } + } + + /** + * Find range according to breakpoints + * @param from low param + * @param to high param + * @param bpts breakpoints + */ + public void getRange(float[] from, float[] to, Flist bpts) { + // DONE + getRange(from, to, 0, bpts); + + } + + /** + * Find range according to breakpoints + * @param from low param + * @param to high param + * @param i from/to array index + * @param list breakpoints + */ + private void getRange(float[] from, float[] to, int i, Flist list) { + // DONE + Quilt maps = this; + from[i] = maps.qspec.get(i).breakpoints[0]; + to[i] = maps.qspec.get(i).breakpoints[maps.qspec.get(i).width]; + int maxpts = 0; + Quilt m; + for (m = maps; m != null; m = m.next) { + if (m.qspec.get(i).breakpoints[0] > from[i]) + from[i] = m.qspec.get(i).breakpoints[0]; + if (m.qspec.get(i).breakpoints[m.qspec.get(i).width] < to[i]) + to[i] = m.qspec.get(i).breakpoints[m.qspec.get(i).width]; + maxpts += m.qspec.get(i).width + 1; + } + list.grow(maxpts); + for (m = maps; m != null; m = m.next) { + for (int j = 0; j <= m.qspec.get(i).width; j++) { + list.add(m.qspec.get(i).breakpoints[j]); + } + } + list.filter(); + list.taper(from[i], to[i]); + } + + /** + * Is this quilt culled + * @return 0 or Subdivider.CULL_ACCEPT + */ + public int isCulled() { + if (mapdesc.isCulling()) { + // System.out.println("TODO quilt.isculled mapdesc.isculling"); + return 0; + } else { + return Subdivider.CULL_ACCEPT; + } + } + + /** + * Finds range for surface + * @param from low param + * @param to high param + * @param slist u direction breakpoints + * @param tlist v direction breakpoints + */ + public void getRange(float[] from, float[] to, Flist slist, Flist tlist) { + // DONE + getRange(from, to, 0, slist); + getRange(from, to, 1, tlist); + + } + + /** + * Empty method + * @param sbrkpts + * @param tbrkpts + * @param rate + */ + public void findRates(Flist sbrkpts, Flist tbrkpts, float[] rate) { + // TODO Auto-generated method stub + // System.out.println("TODO quilt.findrates"); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Quiltspec.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Quiltspec.java new file mode 100755 index 000000000..6c8e55e06 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Quiltspec.java @@ -0,0 +1,85 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Quilt definition + * @author Tomas Hrasky + * + */ +public class Quiltspec { + + /** + * Stride between control points + */ + public int stride; + + /** + * Quilt width in breakpoints + */ + public int width; + + /** + * Quilt order + */ + public int order; + + /** + * Start offset + */ + public int offset; + + /** + * Breakpoint index + */ + public int index; + + /** + * Boundary + */ + public int[] bdry; + + /** + * Breakpoints + */ + public float[] breakpoints; + + /** + * Makes new quiltspec + */ + public Quiltspec() { + this.bdry = new int[2]; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/README.txt b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/README.txt new file mode 100755 index 000000000..89630c71e --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/README.txt @@ -0,0 +1,59 @@ +Unimplemented functionality + - tesselation and callbacks + - trimming + - setting NURBS properties (-> sampling etc.) +Differences from C++ source + - no pooling + - pointers to arrays are replaced by CArrayOf... classes and their methods +Unimplemented or incomplete "calltree top" methods (according to glu.def in Mesa 6.5) + gluBeginTrim + gluDeleteNurbsRenderer - won't be needed + gluEndTrim + gluGetNurbsProperty + gluLoadSamplingMatrices + gluNurbsCallback + gluNurbsCallbackData + gluNurbsCallbackDataEXT + gluNurbsCurve - TODO type switch + gluNurbsProperty + gluPwlCurve + gluQuadricCallback - not a NURBS method +As of files + - Arc[ST]dirSorter.java - unimplemented (part of tesselation) + - Backend.java:194 - wireframe quads - part of tesselation/callback + - Curve.java:141-204 - culling + - DisplayList.java:57 - append to DL - not sure whether it will be needed + - GLUnurbs.java :443,484 - error values + :445 - trimming + :512 - error handling (callback) + :530 - loadGLmatrices + :786 - nuid - nurbs object id - won't be needed I think + :803 - end trim + - GLUwNURBS.java:68,176 - NUBRS properties + - Knotspec.java :371 - copying in general case (more than 4 coords) + :517 - copying with more than 4 coords + :556 - pt_oo_sum default + - Knotvector.java:165 - show method (probably debugging) + - Mapdesc.java :354 - get property + :435 - xFormMat - change param cp to CArrayOfFloats; probably sampling functionality + - Maplist.java:68 - clear ? + - OpenGLCurveEvaluator.java :132 - tess./callback code + :168 - mapgrid1f + :190 - tess./callback code (output triangles) + - OpenGLSurfaceEvaluator.java :77 . tess./callback code + :81 - glGetIntegerValue + :114 - tess./callback code + :117 - Level of detail + :144,161,201 - tess./callback code - output triangles + - Patch.java:55 - constructor stuff ? + - Patchlist.java:55 - constructor stuff ? + :97 - cull check + :105 - step size + :115 - need of sampling subdivision + :126 - need of subdivision + :137 - need of non sampling subd. + :146 - bbox (??) + -Quilt.java :254 - culling + :282 - rates + -Subdivider.java - all TODOs - it's stuff about trimming probably + :545 - jumpbuffer - not sure purpose it exactly served in original source diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Renderhints.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Renderhints.java new file mode 100755 index 000000000..d1a23fbab --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Renderhints.java @@ -0,0 +1,128 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class holding rendering params + * @author Tomas Hrasky + * + */ +public class Renderhints { + + /** + * Check for errors + */ + public int errorchecking; + + /** + * Maximum subdivisions + */ + public int maxsubdivisions; + + /** + * Number of subdivisions + */ + private int subdivisions; + + /** + * Display method + */ + int display_method; + + /** + * Output triangles + */ + int wiretris; + + /** + * Output quads + */ + int wirequads; + + /** + * Makes new Renderinghints + */ + public Renderhints() { + display_method = NurbsConsts.N_FILL; + errorchecking = NurbsConsts.N_MSG; + subdivisions = 6; + // tmp1=0; + } + + /** + * Set property value + * @param prop property + */ + public void setProperty(Property prop) { + switch (prop.type) { + case NurbsConsts.N_DISPLAY: + display_method = (int) prop.value; + break; + case NurbsConsts.N_ERRORCHECKING: + errorchecking = (int) prop.value; + break; + case NurbsConsts.N_SUBDIVISIONS: + subdivisions = (int) prop.value; + break; + default: + // abort - end program + break; + } + } + + /** + * Initialization + */ + public void init() { + // DONE + maxsubdivisions = subdivisions; + if (maxsubdivisions < 0) + maxsubdivisions = 0; + + if (display_method == NurbsConsts.N_FILL) { + wiretris = 0; + wirequads = 0; + } else if (display_method == NurbsConsts.N_OUTLINE_TRI) { + wiretris = 1; + wirequads = 0; + } else if (display_method == NurbsConsts.N_OUTLINE_QUAD) { + wiretris = 0; + wirequads = 1; + } else { + wiretris = 1; + wirequads = 1; + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Splinespec.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Splinespec.java new file mode 100755 index 000000000..487b47f2d --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Splinespec.java @@ -0,0 +1,204 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * NURBS definition + * @author Tomas Hrasky + * + */ +public class Splinespec { + + /** + * Dimension + */ + private int dim; + + /** + * Knot vector specs + */ + private Knotspec kspec; + + /** + * Control points after conversion + */ + private CArrayOfFloats outcpts; + + /** + * Makes new Splinespec with given dimension + * @param i dimension + */ + public Splinespec(int i) { + // DONE + this.dim = i; + } + + /** + * Initializes knotspec according to knotvector + * @param knotvector basic knotvector + */ + public void kspecinit(Knotvector knotvector) { + // DONE + this.kspec = new Knotspec(); + kspec.inkbegin = new CArrayOfFloats(knotvector.knotlist, 0); + kspec.inkend = new CArrayOfFloats(knotvector.knotlist, + knotvector.knotcount); + kspec.prestride = knotvector.stride; + kspec.order = knotvector.order; + kspec.next = null; + } + + /** + * Initializes knotspec according to knotvector - SURFACE + * @param sknotvector knotvector in u dir + * @param tknotvector knotvector in v dir + */ + public void kspecinit(Knotvector sknotvector, Knotvector tknotvector) { + // DONE + this.kspec = new Knotspec(); + Knotspec tkspec = new Knotspec(); + + kspec.inkbegin = new CArrayOfFloats(sknotvector.knotlist, 0); + kspec.inkend = new CArrayOfFloats(sknotvector.knotlist, + sknotvector.knotcount); + kspec.prestride = sknotvector.stride; + kspec.order = sknotvector.order; + kspec.next = tkspec; + + tkspec.inkbegin = new CArrayOfFloats(tknotvector.knotlist, 0); + tkspec.inkend = new CArrayOfFloats(tknotvector.knotlist, + tknotvector.knotcount); + tkspec.prestride = tknotvector.stride; + tkspec.order = tknotvector.order; + tkspec.next = null; + } + + /** + * Preselect and select knotspecs + */ + public void select() { + // DONE + for (Knotspec knotspec = kspec; knotspec != null; knotspec = knotspec.next) { + knotspec.preselect(); + knotspec.select(); + } + + } + + /** + * Prepares for conversion + * @param ncoords number of coords + */ + public void layout(int ncoords) { + // DONE + int stride = ncoords; + for (Knotspec knotspec = kspec; knotspec != null; knotspec = knotspec.next) { + knotspec.poststride = stride; + stride *= (knotspec.bend.getPointer() - knotspec.bbegin + .getPointer()) + * knotspec.order + knotspec.postoffset; + knotspec.preoffset *= knotspec.prestride; + knotspec.prewidth *= knotspec.poststride; + knotspec.postwidth *= knotspec.poststride; + knotspec.postoffset *= knotspec.poststride; + knotspec.ncoords = ncoords; + } + outcpts = new CArrayOfFloats(new float[stride]); + + } + + /** + * Prepares quilt for conversion + * @param quilt quilt to work with + */ + public void setupquilt(Quilt quilt) { + // DONE + CArrayOfQuiltspecs qspec = new CArrayOfQuiltspecs(quilt.qspec); + quilt.eqspec = new CArrayOfQuiltspecs(qspec.getArray(), dim); + for (Knotspec knotspec = kspec; knotspec != null;) { + qspec.get().stride = knotspec.poststride; + qspec.get().width = knotspec.bend.getPointer() + - knotspec.bbegin.getPointer(); + qspec.get().order = knotspec.order; + qspec.get().offset = knotspec.postoffset; + qspec.get().index = 0; + qspec.get().bdry[0] = (knotspec.kleft.getPointer() == knotspec.kfirst + .getPointer()) ? 1 : 0; + qspec.get().bdry[1] = (knotspec.kright.getPointer() == knotspec.klast + .getPointer()) ? 1 : 0; + qspec.get().breakpoints = new float[qspec.get().width + 1]; + CArrayOfFloats k = new CArrayOfFloats(qspec.get().breakpoints, 0); + for (CArrayOfBreakpts bk = new CArrayOfBreakpts(knotspec.bbegin); bk + .getPointer() <= knotspec.bend.getPointer(); bk.pp()) { + k.set(bk.get().value); + k.pp(); + } + knotspec = knotspec.next; + if (knotspec != null) + qspec.pp(); + } + quilt.cpts = new CArrayOfFloats(outcpts); + quilt.next = null; + } + + /** + * Copies array of control points to output array + * @param ctlarray control points array + */ + public void copy(CArrayOfFloats ctlarray) { + // DONE + kspec.copy(ctlarray, outcpts); + + } + + /** + * Transforms knotspecs - conversion + */ + public void transform() { + // DONE + Knotspec knotspec; + outcpts.setPointer(0); + for (knotspec = kspec; knotspec != null; knotspec = knotspec.next) + knotspec.istransformed = false; + + for (knotspec = kspec; knotspec != null; knotspec = knotspec.next) { + for (Knotspec kspec2 = kspec; kspec2 != null; kspec2 = kspec2.next) + kspec2.kspectotrans = knotspec; + kspec.transform(outcpts); + knotspec.istransformed = true; + } + + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Subdivider.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Subdivider.java new file mode 100755 index 000000000..99c1b740b --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/Subdivider.java @@ -0,0 +1,1167 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class working with curves and surfaces + * @author Tomas Hrasky + * + */ +public class Subdivider { + /** + * Cull type + */ + public static final int CULL_TRIVIAL_REJECT = 0; + + /** + * Cull type + */ + public static final int CULL_ACCEPT = 1; + + /** + * Maximum trimming arcs + */ + private static final int MAXARCS = 10; + + /** + * Linked list of Quilts + */ + Quilt qlist; + + /** + * Object holding rendering honts information + */ + private Renderhints renderhints; + + /** + * Backend object + */ + private Backend backend; + + /** + * Number of subdivisions + */ + private int subdivisions; + + /** + * U step when using domain distance sampling + */ + private float domain_distance_u_rate; + + /** + * Use domain distance sampling + */ + private int is_domain_distance_sampling; + + /** + * Initial class holding trimming arcs + */ + private Bin initialbin; + + /** + * Not used + */ + private boolean showDegenerate; + + /** + * Is triming arc type bezier arc + */ + private boolean isArcTypeBezier; + + /** + * Breakpoints in v direction + */ + private Flist tpbrkpts; + + /** + * Breakpoints in u direction + */ + private Flist spbrkpts; + + /** + * Unused + */ + private int s_index; + + /** + * Head of linked list of trimming arcs + */ + private Arc pjarc; + + /** + * Class tesselating trimming arcs + */ + private ArcTesselator arctesselator; + + /** + * Unused + */ + private int t_index; + + /** + * Breakpoints + */ + private Flist smbrkpts; + + /** + * Not used + */ + private float[] stepsizes; + + /** + * Domain distance in V direction + */ + private float domain_distance_v_rate; + + /** + * Initializes quilt list + */ + public void beginQuilts(Backend backend) { + // DONE + qlist = null; + renderhints = new Renderhints(); + this.backend = backend; + + initialbin = new Bin(); + arctesselator = new ArcTesselator(); + } + + /** + * Adds quilt to linked list + * @param quilt added quilt + */ + public void addQuilt(Quilt quilt) { + // DONE + if (qlist == null) + qlist = quilt; + else { + quilt.next = qlist; + qlist = quilt; + } + + } + + /** + * Empty method + */ + public void endQuilts() { + // DONE + } + + /** + * Draws a surface + */ + public void drawSurfaces() { + renderhints.init(); + + if (qlist == null) { + // System.out.println("qlist is null"); + return; + } + + for (Quilt q = qlist; q != null; q = q.next) { + if (q.isCulled() == CULL_TRIVIAL_REJECT) { + freejarcs(initialbin); + return; + } + } + + float[] from = new float[2]; + float[] to = new float[2]; + + spbrkpts = new Flist(); + tpbrkpts = new Flist(); + qlist.getRange(from, to, spbrkpts, tpbrkpts); + + boolean optimize = (is_domain_distance_sampling > 0 && (renderhints.display_method != NurbsConsts.N_OUTLINE_PATCH)); + + // TODO decide whether to optimize (when there is gluNurbsProperty implemented) + optimize = true; + + if (!initialbin.isnonempty()) { + if (!optimize) { + makeBorderTrim(from, to); + } + } else { + float[] rate = new float[2]; + qlist.findRates(spbrkpts, tpbrkpts, rate); + // System.out.println("subdivider.drawsurfaces decompose"); + } + + backend.bgnsurf(renderhints.wiretris, renderhints.wirequads); + + // TODO partition test + + if (!initialbin.isnonempty() && optimize) { + + int i, j; + int num_u_steps; + int num_v_steps; + for (i = spbrkpts.start; i < spbrkpts.end - 1; i++) { + for (j = tpbrkpts.start; j < tpbrkpts.end - 1; j++) { + float[] pta = new float[2]; + float[] ptb = new float[2]; + + pta[0] = spbrkpts.pts[i]; + ptb[0] = spbrkpts.pts[i + 1]; + pta[1] = tpbrkpts.pts[j]; + ptb[1] = tpbrkpts.pts[j + 1]; + qlist.downloadAll(pta, ptb, backend); + + num_u_steps = (int) (domain_distance_u_rate * (ptb[0] - pta[0])); + num_v_steps = (int) (domain_distance_v_rate * (ptb[1] - pta[1])); + + if (num_u_steps <= 0) + num_u_steps = 1; + if (num_v_steps <= 0) + num_v_steps = 1; + + backend.surfgrid(pta[0], ptb[0], num_u_steps, ptb[1], + pta[1], num_v_steps); + backend.surfmesh(0, 0, num_u_steps, num_v_steps); + + } + } + + } else + + subdivideInS(initialbin); + + backend.endsurf(); + } + + /** + * Empty method + * @param initialbin2 + */ + private void freejarcs(Bin initialbin2) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.freejarcs"); + } + + /** + * Subdivide in U direction + * @param source Trimming arcs source + */ + private void subdivideInS(Bin source) { + // DONE + if (renderhints.display_method == NurbsConsts.N_OUTLINE_PARAM) { + outline(source); + freejarcs(source); + } else { + setArcTypeBezier(); + setNonDegenerate(); + splitInS(source, spbrkpts.start, spbrkpts.end); + } + + } + + /** + * Split in U direction + * @param source Trimming arcs source + * @param start breakpoints start + * @param end breakpoints end + */ + private void splitInS(Bin source, int start, int end) { + // DONE + if (source.isnonempty()) { + if (start != end) { + int i = start + (end - start) / 2; + Bin left = new Bin(); + Bin right = new Bin(); + + split(source, left, right, 0, spbrkpts.pts[i]); + splitInS(left, start, i); + splitInS(right, i + 1, end); + } else { + if (start == spbrkpts.start || start == spbrkpts.end) { + freejarcs(source); + } else if (renderhints.display_method == NurbsConsts.N_OUTLINE_PARAM_S) { + outline(source); + freejarcs(source); + } else { + setArcTypeBezier(); + setNonDegenerate(); + s_index = start; + splitInT(source, tpbrkpts.start, tpbrkpts.end); + } + } + } else{ + // System.out.println("Source is empty - subdivider.splitins"); + } + } + + /** + * Split in V direction + * @param source + * @param start + * @param end + */ + private void splitInT(Bin source, int start, int end) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.splitint"); + + if (source.isnonempty()) { + if (start != end) { + int i = start + (end - start) / 2; + Bin left = new Bin(); + Bin right = new Bin(); + split(source, left, right, 1, tpbrkpts.pts[i + 1]); + splitInT(left, start, i); + splitInT(right, i + 1, end); + } else { + if (start == tpbrkpts.start || start == tpbrkpts.end) { + freejarcs(source); + } else if (renderhints.display_method == NurbsConsts.N_OUTLINE_PARAM_ST) { + outline(source); + freejarcs(source); + } else { + t_index = start; + setArcTypeBezier(); + setDegenerate(); + + float[] pta = new float[2]; + float[] ptb = new float[2]; + + pta[0] = spbrkpts.pts[s_index - 1]; + pta[1] = tpbrkpts.pts[t_index - 1]; + + ptb[0] = spbrkpts.pts[s_index]; + ptb[1] = tpbrkpts.pts[t_index]; + qlist.downloadAll(pta, ptb, backend); + + Patchlist patchlist = new Patchlist(qlist, pta, ptb); + + samplingSplit(source, patchlist, + renderhints.maxsubdivisions, 0); + setNonDegenerate(); + setArcTypeBezier(); + } + } + } + + } + + /** + * Sample + * @param source + * @param patchlist + * @param subdivisions + * @param param + */ + private void samplingSplit(Bin source, Patchlist patchlist, + int subdivisions, int param) { + // DONE + if (!source.isnonempty()) + return; + if (patchlist.cullCheck() == CULL_TRIVIAL_REJECT) { + freejarcs(source); + return; + } + + patchlist.getstepsize(); + if (renderhints.display_method == NurbsConsts.N_OUTLINE_PATCH) { + tesselation(source, patchlist); + outline(source); + freejarcs(source); + return; + } + + tesselation(source, patchlist); + if (patchlist.needsSamplingSubdivision() && subdivisions > 0) { + if (!patchlist.needsSubdivision(0)) { + param = 1; + } else if (patchlist.needsSubdivision(1)) + param = 0; + else + param = 1 - param; + + Bin left = new Bin(); + Bin right = new Bin(); + + float mid = (float) ((patchlist.pspec[param].range[0] + patchlist.pspec[param].range[1]) * .5); + + split(source, left, right, param, mid); + Patchlist subpatchlist = new Patchlist(patchlist, param, mid); + samplingSplit(left, subpatchlist, subdivisions - 1, param); + samplingSplit(right, subpatchlist, subdivisions - 1, param); + } else { + setArcTypePwl(); + setDegenerate(); + nonSamplingSplit(source, patchlist, subdivisions, param); + setDegenerate(); + setArcTypeBezier(); + } + } + + /** + * Not used + * @param source + * @param patchlist + * @param subdivisions + * @param param + */ + private void nonSamplingSplit(Bin source, Patchlist patchlist, + int subdivisions, int param) { + // DONE + if (patchlist.needsNonSamplingSubdivision() && subdivisions > 0) { + param = 1 - param; + + Bin left = new Bin(); + Bin right = new Bin(); + + float mid = (float) ((patchlist.pspec[param].range[0] + patchlist.pspec[param].range[1]) * .5); + split(source, left, right, param, mid); + Patchlist subpatchlist = new Patchlist(patchlist, param, mid); + if (left.isnonempty()) { + if (subpatchlist.cullCheck() == CULL_TRIVIAL_REJECT) + freejarcs(left); + else + nonSamplingSplit(left, subpatchlist, subdivisions - 1, + param); + } + if (right.isnonempty()) { + if (patchlist.cullCheck() == CULL_TRIVIAL_REJECT) + freejarcs(right); + else + nonSamplingSplit(right, subpatchlist, subdivisions - 1, + param); + } + } else { + patchlist.bbox(); + backend.patch(patchlist.pspec[0].range[0], + patchlist.pspec[0].range[1], patchlist.pspec[1].range[0], + patchlist.pspec[1].range[1]); + if (renderhints.display_method == NurbsConsts.N_OUTLINE_SUBDIV) { + outline(source); + freejarcs(source); + } else { + setArcTypePwl(); + setDegenerate(); + findIrregularS(source); + monosplitInS(source, smbrkpts.start, smbrkpts.end); + } + } + + } + + /** + * Not used + * @param source + * @param start + * @param end + */ + private void monosplitInS(Bin source, int start, int end) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.monosplitins"); + } + + /** + * Not used + * @param source + */ + private void findIrregularS(Bin source) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.findIrregularS"); + } + + /** + * Not used + */ + private void setArcTypePwl() { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.setarctypepwl"); + } + + /** + * Not used + * @param source + * @param patchlist + */ + private void tesselation(Bin source, Patchlist patchlist) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.tesselation"); + } + + /** + * Not used + */ + private void setDegenerate() { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.setdegenerate"); + } + + /** + * Not used + * @param bin + * @param left + * @param right + * @param param + * @param value + */ + private void split(Bin bin, Bin left, Bin right, int param, float value) { + // DONE + Bin intersections = new Bin(); + Bin unknown = new Bin(); + + partition(bin, left, intersections, right, unknown, param, value); + + int count = intersections.numarcs(); + // TODO jumpbuffer ?? + + if (count % 2 == 0) { + + Arc[] arclist = new Arc[MAXARCS]; + CArrayOfArcs list; + if (count >= MAXARCS) { + list = new CArrayOfArcs(new Arc[count]); + } else { + list = new CArrayOfArcs(arclist); + } + + CArrayOfArcs last, lptr; + Arc jarc; + + for (last = new CArrayOfArcs(list); (jarc = intersections + .removearc()) != null; last.pp()) + last.set(jarc); + + if (param == 0) {// sort into incrasing t order + ArcSdirSorter sorter = new ArcSdirSorter(this); + sorter.qsort(list, count); + + for (lptr = new CArrayOfArcs(list); lptr.getPointer() < last + .getPointer(); lptr.raisePointerBy(2)) + check_s(lptr.get(), lptr.getRelative(1)); + for (lptr = new CArrayOfArcs(list); lptr.getPointer() < last + .getPointer(); lptr.raisePointerBy(2)) + join_s(left, right, lptr.get(), lptr.getRelative(1)); + for (lptr = new CArrayOfArcs(list); lptr.getPointer() != last + .getPointer(); lptr.pp()) { + if (lptr.get().head()[0] <= value + && lptr.get().tail()[0] <= value) + left.addarc(lptr.get()); + else + right.addarc(lptr.get()); + } + + } else {// sort into decreasing s order + ArcTdirSorter sorter = new ArcTdirSorter(this); + sorter.qsort(list, count); + + for (lptr = new CArrayOfArcs(list); lptr.getPointer() < last + .getPointer(); lptr.raisePointerBy(2)) + check_t(lptr.get(), lptr.getRelative(1)); + for (lptr = new CArrayOfArcs(list); lptr.getPointer() < last + .getPointer(); lptr.raisePointerBy(2)) + join_t(left, right, lptr.get(), lptr.getRelative(1)); + for (lptr = new CArrayOfArcs(list); lptr.getPointer() != last + .getPointer(); lptr.raisePointerBy(2)) { + if (lptr.get().head()[0] <= value + && lptr.get().tail()[0] <= value) + left.addarc(lptr.get()); + else + right.addarc(lptr.get()); + } + + } + + unknown.adopt(); + } + } + + /** + * Not used + * @param left + * @param right + * @param arc + * @param relative + */ + private void join_t(Bin left, Bin right, Arc arc, Arc relative) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.join_t"); + } + + /** + * Not used + * @param arc + * @param relative + */ + private void check_t(Arc arc, Arc relative) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.check_t"); + } + + /** + * Not used + * @param left + * @param right + * @param jarc1 + * @param jarc2 + */ + private void join_s(Bin left, Bin right, Arc jarc1, Arc jarc2) { + // DONE + if (!jarc1.getitail()) + jarc1 = jarc1.next; + if (!jarc2.getitail()) + jarc2 = jarc2.next; + + float s = jarc1.tail()[0]; + float t1 = jarc1.tail()[1]; + float t2 = jarc2.tail()[1]; + + if (t1 == t2) { + simplelink(jarc1, jarc2); + } else { + Arc newright = new Arc(Arc.ARC_RIGHT); + Arc newleft = new Arc(Arc.ARC_LEFT); + if (isBezierArcType()) { + arctesselator.bezier(newright, s, s, t1, t2); + arctesselator.bezier(newleft, s, s, t2, t1); + } else { + arctesselator.pwl_right(newright, s, t1, t2, stepsizes[0]); + arctesselator.pwl_left(newright, s, t2, t1, stepsizes[2]); + } + link(jarc1, jarc2, newright, newleft); + left.addarc(newright); + right.addarc(newleft); + } + + } + + /** + * Not used + * @param jarc1 + * @param jarc2 + * @param newright + * @param newleft + */ + private void link(Arc jarc1, Arc jarc2, Arc newright, Arc newleft) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.link"); + } + + /** + * Not used + * @return true + */ + private boolean isBezierArcType() { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.isbezierarc"); + return true; + } + + /** + * Not used + * @param jarc1 + * @param jarc2 + */ + private void simplelink(Arc jarc1, Arc jarc2) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.simplelink"); + } + + /** + * Not used + * @param arc + * @param relative + */ + private void check_s(Arc arc, Arc relative) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.check_s"); + + } + + /** + * Not used + * @param bin + * @param left + * @param intersections + * @param right + * @param unknown + * @param param + * @param value + */ + private void partition(Bin bin, Bin left, Bin intersections, Bin right, + Bin unknown, int param, float value) { + + Bin headonleft = new Bin(); + Bin headonright = new Bin(); + Bin tailonleft = new Bin(); + Bin tailonright = new Bin(); + + for (Arc jarc = bin.removearc(); jarc != null; jarc = bin.removearc()) { + float tdiff = jarc.tail()[param] - value; + float hdiff = jarc.head()[param] - value; + + if (tdiff > 0) { + if (hdiff > 0) { + right.addarc(jarc); + } else if (hdiff == 0) { + tailonright.addarc(jarc); + } else { + Arc jtemp; + switch (arc_split(jarc, param, value, 0)) { + case 2: + tailonright.addarc(jarc); + headonleft.addarc(jarc.next); + break; + // TODO rest cases + default: + System.out + .println("TODO subdivider.partition rest cases"); + break; + } + } + } else if (tdiff == 0) { + if (hdiff > 0) { + headonright.addarc(jarc); + } else if (hdiff == 0) { + unknown.addarc(jarc); + } else { + headonright.addarc(jarc); + } + } else { + if (hdiff > 0) { + // TODO rest + // System.out.println("TODO subdivider.partition rest of else"); + } else if (hdiff == 0) { + tailonleft.addarc(jarc); + } else { + left.addarc(jarc); + } + } + + } + if (param == 0) { + classify_headonleft_s(headonleft, intersections, left, value); + classify_tailonleft_s(tailonleft, intersections, left, value); + classify_headonright_s(headonright, intersections, right, value); + classify_tailonright_s(tailonright, intersections, right, value); + } else { + classify_headonleft_t(headonleft, intersections, left, value); + classify_tailonleft_t(tailonleft, intersections, left, value); + classify_headonright_t(headonright, intersections, right, value); + classify_tailonright_t(tailonright, intersections, right, value); + } + } + + /** + * Not used + * @param tailonright + * @param intersections + * @param right + * @param value + */ + private void classify_tailonright_t(Bin tailonright, Bin intersections, + Bin right, float value) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.classify_tailonright_t"); + + } + + /** + * Not used + * @param bin + * @param in + * @param out + * @param val + */ + private void classify_tailonleft_s(Bin bin, Bin in, Bin out, float val) { + + // DONE + Arc j; + while ((j = bin.removearc()) != null) { + j.clearitail(); + + float diff = j.next.head()[0] - val; + if (diff > 0) { + in.addarc(j); + } else if (diff < 0) { + if (ccwTurn_sl(j, j.next)) + out.addarc(j); + else + in.addarc(j); + } else { + if (j.next.tail()[1] > j.next.head()[1]) + in.addarc(j); + else + out.addarc(j); + } + } + + } + + /** + * Not used + * @param bin + * @param in + * @param out + * @param val + */ + private void classify_headonright_s(Bin bin, Bin in, Bin out, float val) { + // DONE + Arc j; + while ((j = bin.removearc()) != null) { + j.setitail(); + + float diff = j.prev.tail()[0] - val; + if (diff > 0) { + if (ccwTurn_sr(j.prev, j)) + out.addarc(j); + else + in.addarc(j); + } else if (diff < 0) { + out.addarc(j); + } else { + if (j.prev.tail()[1] > j.prev.head()[1]) + out.addarc(j); + else + in.addarc(j); + } + } + } + + /** + * Not used + * @param prev + * @param j + * @return false + */ + private boolean ccwTurn_sr(Arc prev, Arc j) { + // TODO Auto-generated method stub + // System.out.println("TODO ccwTurn_sr"); + return false; + } + + /** + * Not used + * @param headonright + * @param intersections + * @param right + * @param value + */ + private void classify_headonright_t(Bin headonright, Bin intersections, + Bin right, float value) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.classify_headonright_t"); + } + + /** + * Not used + * @param tailonleft + * @param intersections + * @param left + * @param value + */ + private void classify_tailonleft_t(Bin tailonleft, Bin intersections, + Bin left, float value) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.classify_tailonleft_t"); + } + + /** + * Not used + * @param bin + * @param in + * @param out + * @param val + */ + private void classify_headonleft_t(Bin bin, Bin in, Bin out, float val) { + // DONE + Arc j; + while ((j = bin.removearc()) != null) { + j.setitail(); + + float diff = j.prev.tail()[1] - val; + if (diff > 0) { + out.addarc(j); + } else if (diff < 0) { + if (ccwTurn_tl(j.prev, j)) + out.addarc(j); + else + in.addarc(j); + } else { + if (j.prev.tail()[0] > j.prev.head()[0]) + out.addarc(j); + else + in.addarc(j); + } + } + } + + /** + * Not used + * @param prev + * @param j + * @return false + */ + private boolean ccwTurn_tl(Arc prev, Arc j) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.ccwTurn_tl"); + return false; + } + + /** + * Not used + * @param bin + * @param in + * @param out + * @param val + */ + private void classify_tailonright_s(Bin bin, Bin in, Bin out, float val) { + // DONE + Arc j; + while ((j = bin.removearc()) != null) { + j.clearitail(); + + float diff = j.next.head()[0] - val; + if (diff > 0) { + if (ccwTurn_sr(j, j.next)) + out.addarc(j); + else + in.addarc(j); + } else if (diff < 0) { + in.addarc(j); + } else { + if (j.next.tail()[1] > j.next.head()[1]) + out.addarc(j); + else + in.addarc(j); + } + } + + } + + /** + * Not used + * @param bin + * @param in + * @param out + * @param val + */ + private void classify_headonleft_s(Bin bin, Bin in, Bin out, float val) { + // DONE + Arc j; + while ((j = bin.removearc()) != null) { + j.setitail(); + + float diff = j.prev.tail()[0] - val; + if (diff > 0) { + out.addarc(j); + } else if (diff < 0) { + if (ccwTurn_sl(j.prev, j)) + out.addarc(j); + else + in.addarc(j); + } else { + if (j.prev.tail()[1] > j.prev.head()[1]) + in.addarc(j); + else + out.addarc(j); + } + } + + } + + /** + * Not used + * @param prev + * @param j + * @return false + */ + private boolean ccwTurn_sl(Arc prev, Arc j) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.ccwTurn_sl"); + return false; + } + + /** + * Not used + * @param jarc + * @param param + * @param value + * @param i + * @return 0 + */ + private int arc_split(Arc jarc, int param, float value, int i) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.arc_split"); + return 0; + } + + /** + * Not used + */ + private void setNonDegenerate() { + // DONE + this.showDegenerate = false; + + } + + /** + * sets trimming arc default type to bezier + */ + private void setArcTypeBezier() { + // DONE + isArcTypeBezier = true; + } + + /** + * Not used + * @param source + */ + private void outline(Bin source) { + // TODO Auto-generated method stub + // System.out.println("TODO subdivider.outline"); + } + + /** + * Makes default trim along surface borders + * @param from range beginnings + * @param to range ends + */ + private void makeBorderTrim(float[] from, float[] to) { + // DONE + float smin = from[0]; + float smax = to[0]; + + float tmin = from[1]; + float tmax = to[1]; + + pjarc = null; + Arc jarc = null; + + jarc = new Arc(Arc.ARC_BOTTOM); + arctesselator.bezier(jarc, smin, smax, tmin, tmin); + initialbin.addarc(jarc); + pjarc = jarc.append(pjarc); + + jarc = new Arc(Arc.ARC_RIGHT); + arctesselator.bezier(jarc, smax, smax, tmin, tmax); + initialbin.addarc(jarc); + pjarc = jarc.append(pjarc); + + jarc = new Arc(Arc.ARC_TOP); + arctesselator.bezier(jarc, smax, smin, tmax, tmax); + initialbin.addarc(jarc); + pjarc = jarc.append(pjarc); + + jarc = new Arc(Arc.ARC_LEFT); + arctesselator.bezier(jarc, smin, smin, tmax, tmin); + initialbin.addarc(jarc); + jarc = jarc.append(pjarc); + + // assert (jarc.check() == true); + } + + /** + * Draws NURBS curve + */ + public void drawCurves() { + // DONE + float[] from = new float[1]; + float[] to = new float[1]; + + Flist bpts = new Flist(); + qlist.getRange(from, to, bpts); + + renderhints.init(); + + backend.bgncurv(); + + for (int i = bpts.start; i < bpts.end - 1; i++) { + float[] pta = new float[1]; + float[] ptb = new float[1]; + pta[0] = bpts.pts[i]; + ptb[0] = bpts.pts[i + 1]; + + qlist.downloadAll(pta, ptb, backend); + Curvelist curvelist = new Curvelist(qlist, pta, ptb); + samplingSplit(curvelist, renderhints.maxsubdivisions); + } + backend.endcurv(); + } + + /** + * Samples a curve in case of need, or sends curve to backend + * @param curvelist list of curves + * @param maxsubdivisions maximum number of subdivisions + */ + private void samplingSplit(Curvelist curvelist, int maxsubdivisions) { + if (curvelist.cullCheck() == CULL_TRIVIAL_REJECT) + return; + + curvelist.getstepsize(); + + if (curvelist.needsSamplingSubdivision() && (subdivisions > 0)) { + // TODO kód + // System.out.println("TODO subdivider-needsSamplingSubdivision"); + } else { + int nu = (int) (1 + curvelist.range[2] / curvelist.stepsize); + backend.curvgrid(curvelist.range[0], curvelist.range[1], nu); + backend.curvmesh(0, nu); + } + + } + + /** + * Sets new domain_distance_u_rate value + * @param d new domain_distance_u_rate value + + */ + public void set_domain_distance_u_rate(double d) { + // DONE + domain_distance_u_rate = (float) d; + } + + /** + * Sets new domain_distance_v_rate value + * @param d new domain_distance_v_rate value + */ + public void set_domain_distance_v_rate(double d) { + // DONE + domain_distance_v_rate = (float) d; + } + + /** + * Sets new is_domain_distance_sampling value + * @param i new is_domain_distance_sampling value + */ + public void set_is_domain_distance_sampling(int i) { + // DONE + this.is_domain_distance_sampling = i; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/SurfaceEvaluator.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/SurfaceEvaluator.java new file mode 100755 index 000000000..fe23f9c08 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/SurfaceEvaluator.java @@ -0,0 +1,111 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Class rendering surfaces with OpenGL + * @author Tomas Hrasky + * + */ +public interface SurfaceEvaluator { + + /** + * Pushes eval bit + */ + public void bgnmap2f() ; + + /** + * Sets glPolygonMode + * @param style polygon mode (N_MESHFILL/N_MESHLINE/N_MESHPOINT) + */ + public void polymode(int style) ; + + /** + * Pops all attributes + */ + public void endmap2f() ; + + /** + * Empty method + * @param ulo + * @param uhi + * @param vlo + * @param vhi + */ + public void domain2f(float ulo, float uhi, float vlo, float vhi) ; + + /** + * Defines 2D mesh + * @param nu number of steps in u direction + * @param u0 lowest u + * @param u1 highest u + * @param nv number of steps in v direction + * @param v0 lowest v + * @param v1 highest v + */ + public void mapgrid2f(int nu, float u0, float u1, int nv, float v0, float v1) ; + + /** + * Evaluates surface + * @param style surface style + * @param umin minimum U + * @param umax maximum U + * @param vmin minimum V + * @param vmax maximum V + */ + public void mapmesh2f(int style, int umin, int umax, int vmin, int vmax) ; + + /** + * Initializes evaluator + * @param type surface type + * @param ulo lowest u + * @param uhi highest u + * @param ustride number of objects between control points in u direction + * @param uorder surface order in u direction + * @param vlo lowest v + * @param vhi highest v + * @param vstride number of control points' coords + * @param vorder surface order in v direction + * @param pts control points + */ + public void map2f(int type, float ulo, float uhi, int ustride, int uorder, + float vlo, float vhi, int vstride, int vorder, CArrayOfFloats pts) ; + + /** + * Calls opengl enable + * @param type what to enable + */ + public void enable(int type) ; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/TrimVertex.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/TrimVertex.java new file mode 100755 index 000000000..6608f8f40 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/nurbs/TrimVertex.java @@ -0,0 +1,56 @@ +package com.jogamp.opengl.impl.glu.nurbs; + +/* + ** License Applicability. Except to the extent portions of this file are + ** made subject to an alternative license as permitted in the SGI Free + ** Software License B, Version 2.0 (the "License"), the contents of this + ** file are subject only to the provisions of the License. You may not use + ** this file except in compliance with the License. You may obtain a copy + ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + ** + ** http://oss.sgi.com/projects/FreeB + ** + ** Note that, as provided in the License, the Software is distributed on an + ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + ** + ** Original Code. The Original Code is: OpenGL Sample Implementation, + ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + ** Copyright in any portions created by third parties is as indicated + ** elsewhere herein. All Rights Reserved. + ** + ** Additional Notice Provisions: The application programming interfaces + ** established by SGI in conjunction with the Original Code are The + ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + ** Window System(R) (Version 1.3), released October 19, 1998. This software + ** was created using the OpenGL(R) version 1.2.1 Sample Implementation + ** published by SGI, but has not been independently verified as being + ** compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +/** + * Holds vertex used in trim + * + * @author Tomas Hrasky + * + */ +public class TrimVertex { + + /** + * Trim vertex coords + */ + public float[] param; + + /** + * Makes new empty trim vertex + */ + public TrimVertex() { + param = new float[2]; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/registry/Registry.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/registry/Registry.java new file mode 100644 index 000000000..21b15f4d4 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/registry/Registry.java @@ -0,0 +1,79 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 2.0 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.jogamp.opengl.impl.glu.registry; + +import javax.media.opengl.glu.GLU; + +/** + * + * @author Administrator + */ +public class Registry { + + /** Creates a new instance of Registry */ + public Registry() { + } + + public static String gluGetString(int name) { + if( name == GLU.GLU_VERSION ) { + return( "1.3" ); + } else if( name == GLU.GLU_EXTENSIONS ) { + return( "GLU_EXT_nurbs_tessellator GLU_EXT_object_space_tess " ); + } + return( null ); + } + + public static boolean gluCheckExtension( String extName, String extString ) { + if( extName == null || extString == null ) { + return( false ); + } + if ((extString.indexOf(extName + " ") >= 0) || + extString.endsWith(extName) || + extString.equals(extName)) { + return true; + } + return false; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/ActiveRegion.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/ActiveRegion.java new file mode 100644 index 000000000..85397dd6a --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/ActiveRegion.java @@ -0,0 +1,69 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + + +class ActiveRegion { + GLUhalfEdge eUp; /* upper edge, directed right to left */ + DictNode nodeUp; /* dictionary node corresponding to eUp */ + int windingNumber; /* used to determine which regions are + * inside the polygon */ + boolean inside; /* is this region inside the polygon? */ + boolean sentinel; /* marks fake edges at t = +/-infinity */ + boolean dirty; /* marks regions where the upper or lower + * edge has changed, but we haven't checked + * whether they intersect yet */ + boolean fixUpperEdge; /* marks temporary edges introduced when + * we process a "right vertex" (one without + * any edges leaving to the right) */ +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/CachedVertex.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/CachedVertex.java new file mode 100644 index 000000000..8948acfec --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/CachedVertex.java @@ -0,0 +1,58 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class CachedVertex { + public double[] coords = new double[3]; + public Object data; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Dict.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Dict.java new file mode 100644 index 000000000..d26948e7f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Dict.java @@ -0,0 +1,140 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class Dict { + DictNode head; + Object frame; + DictLeq leq; + + private Dict() { + } + + static Dict dictNewDict(Object frame, DictLeq leq) { + Dict dict = new Dict(); + dict.head = new DictNode(); + + dict.head.key = null; + dict.head.next = dict.head; + dict.head.prev = dict.head; + + dict.frame = frame; + dict.leq = leq; + + return dict; + } + + static void dictDeleteDict(Dict dict) { + dict.head = null; + dict.frame = null; + dict.leq = null; + } + + static DictNode dictInsert(Dict dict, Object key) { + return dictInsertBefore(dict, dict.head, key); + } + + static DictNode dictInsertBefore(Dict dict, DictNode node, Object key) { + do { + node = node.prev; + } while (node.key != null && !dict.leq.leq(dict.frame, node.key, key)); + + DictNode newNode = new DictNode(); + newNode.key = key; + newNode.next = node.next; + node.next.prev = newNode; + newNode.prev = node; + node.next = newNode; + + return newNode; + } + + static Object dictKey(DictNode aNode) { + return aNode.key; + } + + static DictNode dictSucc(DictNode aNode) { + return aNode.next; + } + + static DictNode dictPred(DictNode aNode) { + return aNode.prev; + } + + static DictNode dictMin(Dict aDict) { + return aDict.head.next; + } + + static DictNode dictMax(Dict aDict) { + return aDict.head.prev; + } + + static void dictDelete(Dict dict, DictNode node) { + node.next.prev = node.prev; + node.prev.next = node.next; + } + + static DictNode dictSearch(Dict dict, Object key) { + DictNode node = dict.head; + + do { + node = node.next; + } while (node.key != null && !(dict.leq.leq(dict.frame, key, node.key))); + + return node; + } + + public interface DictLeq { + boolean leq(Object frame, Object key1, Object key2); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/DictNode.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/DictNode.java new file mode 100644 index 000000000..8864de127 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/DictNode.java @@ -0,0 +1,59 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class DictNode { + Object key; + DictNode next; + DictNode prev; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUface.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUface.java new file mode 100644 index 000000000..2ff4aae59 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUface.java @@ -0,0 +1,65 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class GLUface { + public GLUface next; /* next face (never NULL) */ + public GLUface prev; /* previous face (never NULL) */ + public GLUhalfEdge anEdge; /* a half edge with this left face */ + public Object data; /* room for client's data */ + + /* Internal data (keep hidden) */ + public GLUface trail; /* "stack" for conversion to strips */ + public boolean marked; /* flag for conversion to strips */ + public boolean inside; /* this face is in the polygon interior */ +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUhalfEdge.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUhalfEdge.java new file mode 100644 index 000000000..c2128b616 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUhalfEdge.java @@ -0,0 +1,71 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class GLUhalfEdge { + public GLUhalfEdge next; /* doubly-linked list (prev==Sym->next) */ + public GLUhalfEdge Sym; /* same edge, opposite direction */ + public GLUhalfEdge Onext; /* next edge CCW around origin */ + public GLUhalfEdge Lnext; /* next edge CCW around left face */ + public GLUvertex Org; /* origin vertex (Overtex too long) */ + public com.jogamp.opengl.impl.glu.tessellator.GLUface Lface; /* left face */ + + /* Internal data (keep hidden) */ + public com.jogamp.opengl.impl.glu.tessellator.ActiveRegion activeRegion; /* a region with this upper edge (sweep.c) */ + public int winding; /* change in winding number when crossing */ + public boolean first; + + public GLUhalfEdge(boolean first) { + this.first = first; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUmesh.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUmesh.java new file mode 100644 index 000000000..493eb20f4 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUmesh.java @@ -0,0 +1,60 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class GLUmesh { + GLUvertex vHead = new GLUvertex(); /* dummy header for vertex list */ + com.jogamp.opengl.impl.glu.tessellator.GLUface fHead = new GLUface(); /* dummy header for face list */ + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eHead = new GLUhalfEdge(true); /* dummy header for edge list */ + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eHeadSym = new GLUhalfEdge(false); /* and its symmetric counterpart */ +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUtessellatorImpl.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUtessellatorImpl.java new file mode 100644 index 000000000..b21998355 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUtessellatorImpl.java @@ -0,0 +1,646 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +import com.jogamp.opengl.impl.glu.tessellator.*; +import javax.media.opengl.*; +import javax.media.opengl.glu.*; + +public class GLUtessellatorImpl implements GLUtessellator { + public static final int TESS_MAX_CACHE = 100; + + private int state; /* what begin/end calls have we seen? */ + + private GLUhalfEdge lastEdge; /* lastEdge->Org is the most recent vertex */ + GLUmesh mesh; /* stores the input contours, and eventually + the tessellation itself */ + + /*** state needed for projecting onto the sweep plane ***/ + + double[] normal = new double[3]; /* user-specified normal (if provided) */ + double[] sUnit = new double[3]; /* unit vector in s-direction (debugging) */ + double[] tUnit = new double[3]; /* unit vector in t-direction (debugging) */ + + /*** state needed for the line sweep ***/ + + private double relTolerance; /* tolerance for merging features */ + int windingRule; /* rule for determining polygon interior */ + boolean fatalError; /* fatal error: needed combine callback */ + + Dict dict; /* edge dictionary for sweep line */ + PriorityQ pq; /* priority queue of vertex events */ + GLUvertex event; /* current sweep event being processed */ + + /*** state needed for rendering callbacks (see render.c) ***/ + + boolean flagBoundary; /* mark boundary edges (use EdgeFlag) */ + boolean boundaryOnly; /* Extract contours, not triangles */ + boolean avoidDegenerateTris; /* JOGL-specific hint to try to improve triangulation + by avoiding producing degenerate (zero-area) triangles; + has not been tested exhaustively and is therefore an option */ + + GLUface lonelyTriList; + /* list of triangles which could not be rendered as strips or fans */ + + + + /*** state needed to cache single-contour polygons for renderCache() */ + + private boolean flushCacheOnNextVertex; /* empty cache on next vertex() call */ + int cacheCount; /* number of cached vertices */ + CachedVertex[] cache = new CachedVertex[TESS_MAX_CACHE]; /* the vertex data */ + + /*** rendering callbacks that also pass polygon data ***/ + private Object polygonData; /* client data for current polygon */ + + private GLUtessellatorCallback callBegin; + private GLUtessellatorCallback callEdgeFlag; + private GLUtessellatorCallback callVertex; + private GLUtessellatorCallback callEnd; +// private GLUtessellatorCallback callMesh; + private GLUtessellatorCallback callError; + private GLUtessellatorCallback callCombine; + + private GLUtessellatorCallback callBeginData; + private GLUtessellatorCallback callEdgeFlagData; + private GLUtessellatorCallback callVertexData; + private GLUtessellatorCallback callEndData; +// private GLUtessellatorCallback callMeshData; + private GLUtessellatorCallback callErrorData; + private GLUtessellatorCallback callCombineData; + + private static final double GLU_TESS_DEFAULT_TOLERANCE = 0.0; +// private static final int GLU_TESS_MESH = 100112; /* void (*)(GLUmesh *mesh) */ + private static GLUtessellatorCallback NULL_CB = new GLUtessellatorCallbackAdapter(); + +// #define MAX_FAST_ALLOC (MAX(sizeof(EdgePair), \ +// MAX(sizeof(GLUvertex),sizeof(GLUface)))) + + private GLUtessellatorImpl() { + state = TessState.T_DORMANT; + + normal[0] = 0; + normal[1] = 0; + normal[2] = 0; + + relTolerance = GLU_TESS_DEFAULT_TOLERANCE; + windingRule = GLU.GLU_TESS_WINDING_ODD; + flagBoundary = false; + boundaryOnly = false; + + callBegin = NULL_CB; + callEdgeFlag = NULL_CB; + callVertex = NULL_CB; + callEnd = NULL_CB; + callError = NULL_CB; + callCombine = NULL_CB; +// callMesh = NULL_CB; + + callBeginData = NULL_CB; + callEdgeFlagData = NULL_CB; + callVertexData = NULL_CB; + callEndData = NULL_CB; + callErrorData = NULL_CB; + callCombineData = NULL_CB; + + polygonData = null; + + for (int i = 0; i < cache.length; i++) { + cache[i] = new CachedVertex(); + } + } + + static public GLUtessellator gluNewTess() + { + return new GLUtessellatorImpl(); + } + + + private void makeDormant() { + /* Return the tessellator to its original dormant state. */ + + if (mesh != null) { + Mesh.__gl_meshDeleteMesh(mesh); + } + state = TessState.T_DORMANT; + lastEdge = null; + mesh = null; + } + + private void requireState(int newState) { + if (state != newState) gotoState(newState); + } + + private void gotoState(int newState) { + while (state != newState) { + /* We change the current state one level at a time, to get to + * the desired state. + */ + if (state < newState) { + if (state == TessState.T_DORMANT) { + callErrorOrErrorData(GLU.GLU_TESS_MISSING_BEGIN_POLYGON); + gluTessBeginPolygon(null); + } else if (state == TessState.T_IN_POLYGON) { + callErrorOrErrorData(GLU.GLU_TESS_MISSING_BEGIN_CONTOUR); + gluTessBeginContour(); + } + } else { + if (state == TessState.T_IN_CONTOUR) { + callErrorOrErrorData(GLU.GLU_TESS_MISSING_END_CONTOUR); + gluTessEndContour(); + } else if (state == TessState.T_IN_POLYGON) { + callErrorOrErrorData(GLU.GLU_TESS_MISSING_END_POLYGON); + /* gluTessEndPolygon( tess ) is too much work! */ + makeDormant(); + } + } + } + } + + public void gluDeleteTess() { + requireState(TessState.T_DORMANT); + } + + public void gluTessProperty(int which, double value) { + switch (which) { + case GLU.GLU_TESS_TOLERANCE: + if (value < 0.0 || value > 1.0) break; + relTolerance = value; + return; + + case GLU.GLU_TESS_WINDING_RULE: + int windingRule = (int) value; + if (windingRule != value) break; /* not an integer */ + + switch (windingRule) { + case GLU.GLU_TESS_WINDING_ODD: + case GLU.GLU_TESS_WINDING_NONZERO: + case GLU.GLU_TESS_WINDING_POSITIVE: + case GLU.GLU_TESS_WINDING_NEGATIVE: + case GLU.GLU_TESS_WINDING_ABS_GEQ_TWO: + this.windingRule = windingRule; + return; + default: + break; + } + + case GLU.GLU_TESS_BOUNDARY_ONLY: + boundaryOnly = (value != 0); + return; + + case GLU.GLU_TESS_AVOID_DEGENERATE_TRIANGLES: + avoidDegenerateTris = (value != 0); + return; + + default: + callErrorOrErrorData(GLU.GLU_INVALID_ENUM); + return; + } + callErrorOrErrorData(GLU.GLU_INVALID_VALUE); + } + +/* Returns tessellator property */ + public void gluGetTessProperty(int which, double[] value, int value_offset) { + switch (which) { + case GLU.GLU_TESS_TOLERANCE: +/* tolerance should be in range [0..1] */ + assert (0.0 <= relTolerance && relTolerance <= 1.0); + value[value_offset] = relTolerance; + break; + case GLU.GLU_TESS_WINDING_RULE: + assert (windingRule == GLU.GLU_TESS_WINDING_ODD || + windingRule == GLU.GLU_TESS_WINDING_NONZERO || + windingRule == GLU.GLU_TESS_WINDING_POSITIVE || + windingRule == GLU.GLU_TESS_WINDING_NEGATIVE || + windingRule == GLU.GLU_TESS_WINDING_ABS_GEQ_TWO); + value[value_offset] = windingRule; + break; + case GLU.GLU_TESS_BOUNDARY_ONLY: + assert (boundaryOnly == true || boundaryOnly == false); + value[value_offset] = boundaryOnly ? 1 : 0; + break; + case GLU.GLU_TESS_AVOID_DEGENERATE_TRIANGLES: + value[value_offset] = avoidDegenerateTris ? 1 : 0; + break; + default: + value[value_offset] = 0.0; + callErrorOrErrorData(GLU.GLU_INVALID_ENUM); + break; + } + } /* gluGetTessProperty() */ + + public void gluTessNormal(double x, double y, double z) { + normal[0] = x; + normal[1] = y; + normal[2] = z; + } + + public void gluTessCallback(int which, GLUtessellatorCallback aCallback) { + switch (which) { + case GLU.GLU_TESS_BEGIN: + callBegin = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_BEGIN_DATA: + callBeginData = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_EDGE_FLAG: + callEdgeFlag = aCallback == null ? NULL_CB : aCallback; +/* If the client wants boundary edges to be flagged, + * we render everything as separate triangles (no strips or fans). + */ + flagBoundary = aCallback != null; + return; + case GLU.GLU_TESS_EDGE_FLAG_DATA: + callEdgeFlagData = callBegin = aCallback == null ? NULL_CB : aCallback; +/* If the client wants boundary edges to be flagged, + * we render everything as separate triangles (no strips or fans). + */ + flagBoundary = (aCallback != null); + return; + case GLU.GLU_TESS_VERTEX: + callVertex = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_VERTEX_DATA: + callVertexData = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_END: + callEnd = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_END_DATA: + callEndData = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_ERROR: + callError = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_ERROR_DATA: + callErrorData = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_COMBINE: + callCombine = aCallback == null ? NULL_CB : aCallback; + return; + case GLU.GLU_TESS_COMBINE_DATA: + callCombineData = aCallback == null ? NULL_CB : aCallback; + return; +// case GLU_TESS_MESH: +// callMesh = aCallback == null ? NULL_CB : aCallback; +// return; + default: + callErrorOrErrorData(GLU.GLU_INVALID_ENUM); + return; + } + } + + private boolean addVertex(double[] coords, Object vertexData) { + GLUhalfEdge e; + + e = lastEdge; + if (e == null) { +/* Make a self-loop (one vertex, one edge). */ + + e = Mesh.__gl_meshMakeEdge(mesh); + if (e == null) return false; + if (!Mesh.__gl_meshSplice(e, e.Sym)) return false; + } else { +/* Create a new vertex and edge which immediately follow e + * in the ordering around the left face. + */ + if (Mesh.__gl_meshSplitEdge(e) == null) return false; + e = e.Lnext; + } + +/* The new vertex is now e.Org. */ + e.Org.data = vertexData; + e.Org.coords[0] = coords[0]; + e.Org.coords[1] = coords[1]; + e.Org.coords[2] = coords[2]; + +/* The winding of an edge says how the winding number changes as we + * cross from the edge''s right face to its left face. We add the + * vertices in such an order that a CCW contour will add +1 to + * the winding number of the region inside the contour. + */ + e.winding = 1; + e.Sym.winding = -1; + + lastEdge = e; + + return true; + } + + private void cacheVertex(double[] coords, Object vertexData) { + if (cache[cacheCount] == null) { + cache[cacheCount] = new CachedVertex(); + } + + CachedVertex v = cache[cacheCount]; + + v.data = vertexData; + v.coords[0] = coords[0]; + v.coords[1] = coords[1]; + v.coords[2] = coords[2]; + ++cacheCount; + } + + + private boolean flushCache() { + CachedVertex[] v = cache; + + mesh = Mesh.__gl_meshNewMesh(); + if (mesh == null) return false; + + for (int i = 0; i < cacheCount; i++) { + CachedVertex vertex = v[i]; + if (!addVertex(vertex.coords, vertex.data)) return false; + } + cacheCount = 0; + flushCacheOnNextVertex = false; + + return true; + } + + public void gluTessVertex(double[] coords, int coords_offset, Object vertexData) { + int i; + boolean tooLarge = false; + double x; + double[] clamped = new double[3]; + + requireState(TessState.T_IN_CONTOUR); + + if (flushCacheOnNextVertex) { + if (!flushCache()) { + callErrorOrErrorData(GLU.GLU_OUT_OF_MEMORY); + return; + } + lastEdge = null; + } + for (i = 0; i < 3; ++i) { + x = coords[i+coords_offset]; + if (x < -GLU.GLU_TESS_MAX_COORD) { + x = -GLU.GLU_TESS_MAX_COORD; + tooLarge = true; + } + if (x > GLU.GLU_TESS_MAX_COORD) { + x = GLU.GLU_TESS_MAX_COORD; + tooLarge = true; + } + clamped[i] = x; + } + if (tooLarge) { + callErrorOrErrorData(GLU.GLU_TESS_COORD_TOO_LARGE); + } + + if (mesh == null) { + if (cacheCount < TESS_MAX_CACHE) { + cacheVertex(clamped, vertexData); + return; + } + if (!flushCache()) { + callErrorOrErrorData(GLU.GLU_OUT_OF_MEMORY); + return; + } + } + + if (!addVertex(clamped, vertexData)) { + callErrorOrErrorData(GLU.GLU_OUT_OF_MEMORY); + } + } + + + public void gluTessBeginPolygon(Object data) { + requireState(TessState.T_DORMANT); + + state = TessState.T_IN_POLYGON; + cacheCount = 0; + flushCacheOnNextVertex = false; + mesh = null; + + polygonData = data; + } + + + public void gluTessBeginContour() { + requireState(TessState.T_IN_POLYGON); + + state = TessState.T_IN_CONTOUR; + lastEdge = null; + if (cacheCount > 0) { +/* Just set a flag so we don't get confused by empty contours + * -- these can be generated accidentally with the obsolete + * NextContour() interface. + */ + flushCacheOnNextVertex = true; + } + } + + + public void gluTessEndContour() { + requireState(TessState.T_IN_CONTOUR); + state = TessState.T_IN_POLYGON; + } + + public void gluTessEndPolygon() { + GLUmesh mesh; + + try { + requireState(TessState.T_IN_POLYGON); + state = TessState.T_DORMANT; + + if (this.mesh == null) { + if (!flagBoundary /*&& callMesh == NULL_CB*/) { + +/* Try some special code to make the easy cases go quickly + * (eg. convex polygons). This code does NOT handle multiple contours, + * intersections, edge flags, and of course it does not generate + * an explicit mesh either. + */ + if (Render.__gl_renderCache(this)) { + polygonData = null; + return; + } + } + if (!flushCache()) throw new RuntimeException(); /* could've used a label*/ + } + +/* Determine the polygon normal and project vertices onto the plane + * of the polygon. + */ + Normal.__gl_projectPolygon(this); + +/* __gl_computeInterior( tess ) computes the planar arrangement specified + * by the given contours, and further subdivides this arrangement + * into regions. Each region is marked "inside" if it belongs + * to the polygon, according to the rule given by windingRule. + * Each interior region is guaranteed be monotone. + */ + if (!Sweep.__gl_computeInterior(this)) { + throw new RuntimeException(); /* could've used a label */ + } + + mesh = this.mesh; + if (!fatalError) { + boolean rc = true; + +/* If the user wants only the boundary contours, we throw away all edges + * except those which separate the interior from the exterior. + * Otherwise we tessellate all the regions marked "inside". + */ + if (boundaryOnly) { + rc = TessMono.__gl_meshSetWindingNumber(mesh, 1, true); + } else { + rc = TessMono.__gl_meshTessellateInterior(mesh, avoidDegenerateTris); + } + if (!rc) throw new RuntimeException(); /* could've used a label */ + + Mesh.__gl_meshCheckMesh(mesh); + + if (callBegin != NULL_CB || callEnd != NULL_CB + || callVertex != NULL_CB || callEdgeFlag != NULL_CB + || callBeginData != NULL_CB + || callEndData != NULL_CB + || callVertexData != NULL_CB + || callEdgeFlagData != NULL_CB) { + if (boundaryOnly) { + Render.__gl_renderBoundary(this, mesh); /* output boundary contours */ + } else { + Render.__gl_renderMesh(this, mesh); /* output strips and fans */ + } + } +// if (callMesh != NULL_CB) { +// +///* Throw away the exterior faces, so that all faces are interior. +// * This way the user doesn't have to check the "inside" flag, +// * and we don't need to even reveal its existence. It also leaves +// * the freedom for an implementation to not generate the exterior +// * faces in the first place. +// */ +// TessMono.__gl_meshDiscardExterior(mesh); +// callMesh.mesh(mesh); /* user wants the mesh itself */ +// mesh = null; +// polygonData = null; +// return; +// } + } + Mesh.__gl_meshDeleteMesh(mesh); + polygonData = null; + mesh = null; + } catch (Exception e) { + e.printStackTrace(); + callErrorOrErrorData(GLU.GLU_OUT_OF_MEMORY); + } + } + + /*******************************************************/ + +/* Obsolete calls -- for backward compatibility */ + + public void gluBeginPolygon() { + gluTessBeginPolygon(null); + gluTessBeginContour(); + } + + +/*ARGSUSED*/ + public void gluNextContour(int type) { + gluTessEndContour(); + gluTessBeginContour(); + } + + + public void gluEndPolygon() { + gluTessEndContour(); + gluTessEndPolygon(); + } + + void callBeginOrBeginData(int a) { + if (callBeginData != NULL_CB) + callBeginData.beginData(a, polygonData); + else + callBegin.begin(a); + } + + void callVertexOrVertexData(Object a) { + if (callVertexData != NULL_CB) + callVertexData.vertexData(a, polygonData); + else + callVertex.vertex(a); + } + + void callEdgeFlagOrEdgeFlagData(boolean a) { + if (callEdgeFlagData != NULL_CB) + callEdgeFlagData.edgeFlagData(a, polygonData); + else + callEdgeFlag.edgeFlag(a); + } + + void callEndOrEndData() { + if (callEndData != NULL_CB) + callEndData.endData(polygonData); + else + callEnd.end(); + } + + void callCombineOrCombineData(double[] coords, Object[] vertexData, float[] weights, Object[] outData) { + if (callCombineData != NULL_CB) + callCombineData.combineData(coords, vertexData, weights, outData, polygonData); + else + callCombine.combine(coords, vertexData, weights, outData); + } + + void callErrorOrErrorData(int a) { + if (callErrorData != NULL_CB) + callErrorData.errorData(a, polygonData); + else + callError.error(a); + } + +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUvertex.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUvertex.java new file mode 100644 index 000000000..af294caad --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/GLUvertex.java @@ -0,0 +1,65 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class GLUvertex { + public GLUvertex next; /* next vertex (never NULL) */ + public GLUvertex prev; /* previous vertex (never NULL) */ + public com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge anEdge; /* a half-edge with this origin */ + public Object data; /* client's data */ + + /* Internal data (keep hidden) */ + public double[] coords = new double[3]; /* vertex location in 3D */ + public double s, t; /* projection onto the sweep plane */ + public int pqHandle; /* to allow deletion from priority queue */ +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Geom.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Geom.java new file mode 100644 index 000000000..2710346d1 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Geom.java @@ -0,0 +1,338 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class Geom { + private Geom() { + } + + /* Given three vertices u,v,w such that VertLeq(u,v) && VertLeq(v,w), + * evaluates the t-coord of the edge uw at the s-coord of the vertex v. + * Returns v->t - (uw)(v->s), ie. the signed distance from uw to v. + * If uw is vertical (and thus passes thru v), the result is zero. + * + * The calculation is extremely accurate and stable, even when v + * is very close to u or w. In particular if we set v->t = 0 and + * let r be the negated result (this evaluates (uw)(v->s)), then + * r is guaranteed to satisfy MIN(u->t,w->t) <= r <= MAX(u->t,w->t). + */ + static double EdgeEval(GLUvertex u, GLUvertex v, GLUvertex w) { + double gapL, gapR; + + assert (VertLeq(u, v) && VertLeq(v, w)); + + gapL = v.s - u.s; + gapR = w.s - v.s; + + if (gapL + gapR > 0) { + if (gapL < gapR) { + return (v.t - u.t) + (u.t - w.t) * (gapL / (gapL + gapR)); + } else { + return (v.t - w.t) + (w.t - u.t) * (gapR / (gapL + gapR)); + } + } + /* vertical line */ + return 0; + } + + static double EdgeSign(GLUvertex u, GLUvertex v, GLUvertex w) { + double gapL, gapR; + + assert (VertLeq(u, v) && VertLeq(v, w)); + + gapL = v.s - u.s; + gapR = w.s - v.s; + + if (gapL + gapR > 0) { + return (v.t - w.t) * gapL + (v.t - u.t) * gapR; + } + /* vertical line */ + return 0; + } + + + /*********************************************************************** + * Define versions of EdgeSign, EdgeEval with s and t transposed. + */ + + static double TransEval(GLUvertex u, GLUvertex v, GLUvertex w) { + /* Given three vertices u,v,w such that TransLeq(u,v) && TransLeq(v,w), + * evaluates the t-coord of the edge uw at the s-coord of the vertex v. + * Returns v->s - (uw)(v->t), ie. the signed distance from uw to v. + * If uw is vertical (and thus passes thru v), the result is zero. + * + * The calculation is extremely accurate and stable, even when v + * is very close to u or w. In particular if we set v->s = 0 and + * let r be the negated result (this evaluates (uw)(v->t)), then + * r is guaranteed to satisfy MIN(u->s,w->s) <= r <= MAX(u->s,w->s). + */ + double gapL, gapR; + + assert (TransLeq(u, v) && TransLeq(v, w)); + + gapL = v.t - u.t; + gapR = w.t - v.t; + + if (gapL + gapR > 0) { + if (gapL < gapR) { + return (v.s - u.s) + (u.s - w.s) * (gapL / (gapL + gapR)); + } else { + return (v.s - w.s) + (w.s - u.s) * (gapR / (gapL + gapR)); + } + } + /* vertical line */ + return 0; + } + + static double TransSign(GLUvertex u, GLUvertex v, GLUvertex w) { + /* Returns a number whose sign matches TransEval(u,v,w) but which + * is cheaper to evaluate. Returns > 0, == 0 , or < 0 + * as v is above, on, or below the edge uw. + */ + double gapL, gapR; + + assert (TransLeq(u, v) && TransLeq(v, w)); + + gapL = v.t - u.t; + gapR = w.t - v.t; + + if (gapL + gapR > 0) { + return (v.s - w.s) * gapL + (v.s - u.s) * gapR; + } + /* vertical line */ + return 0; + } + + + static boolean VertCCW(GLUvertex u, GLUvertex v, GLUvertex w) { + /* For almost-degenerate situations, the results are not reliable. + * Unless the floating-point arithmetic can be performed without + * rounding errors, *any* implementation will give incorrect results + * on some degenerate inputs, so the client must have some way to + * handle this situation. + */ + return (u.s * (v.t - w.t) + v.s * (w.t - u.t) + w.s * (u.t - v.t)) >= 0; + } + +/* Given parameters a,x,b,y returns the value (b*x+a*y)/(a+b), + * or (x+y)/2 if a==b==0. It requires that a,b >= 0, and enforces + * this in the rare case that one argument is slightly negative. + * The implementation is extremely stable numerically. + * In particular it guarantees that the result r satisfies + * MIN(x,y) <= r <= MAX(x,y), and the results are very accurate + * even when a and b differ greatly in magnitude. + */ + static double Interpolate(double a, double x, double b, double y) { + a = (a < 0) ? 0 : a; + b = (b < 0) ? 0 : b; + if (a <= b) { + if (b == 0) { + return (x + y) / 2.0; + } else { + return (x + (y - x) * (a / (a + b))); + } + } else { + return (y + (x - y) * (b / (a + b))); + } + } + + static void EdgeIntersect(GLUvertex o1, GLUvertex d1, + GLUvertex o2, GLUvertex d2, + GLUvertex v) +/* Given edges (o1,d1) and (o2,d2), compute their point of intersection. + * The computed point is guaranteed to lie in the intersection of the + * bounding rectangles defined by each edge. + */ { + double z1, z2; + + /* This is certainly not the most efficient way to find the intersection + * of two line segments, but it is very numerically stable. + * + * Strategy: find the two middle vertices in the VertLeq ordering, + * and interpolate the intersection s-value from these. Then repeat + * using the TransLeq ordering to find the intersection t-value. + */ + + if (!VertLeq(o1, d1)) { + GLUvertex temp = o1; + o1 = d1; + d1 = temp; + } + if (!VertLeq(o2, d2)) { + GLUvertex temp = o2; + o2 = d2; + d2 = temp; + } + if (!VertLeq(o1, o2)) { + GLUvertex temp = o1; + o1 = o2; + o2 = temp; + temp = d1; + d1 = d2; + d2 = temp; + } + + if (!VertLeq(o2, d1)) { + /* Technically, no intersection -- do our best */ + v.s = (o2.s + d1.s) / 2.0; + } else if (VertLeq(d1, d2)) { + /* Interpolate between o2 and d1 */ + z1 = EdgeEval(o1, o2, d1); + z2 = EdgeEval(o2, d1, d2); + if (z1 + z2 < 0) { + z1 = -z1; + z2 = -z2; + } + v.s = Interpolate(z1, o2.s, z2, d1.s); + } else { + /* Interpolate between o2 and d2 */ + z1 = EdgeSign(o1, o2, d1); + z2 = -EdgeSign(o1, d2, d1); + if (z1 + z2 < 0) { + z1 = -z1; + z2 = -z2; + } + v.s = Interpolate(z1, o2.s, z2, d2.s); + } + + /* Now repeat the process for t */ + + if (!TransLeq(o1, d1)) { + GLUvertex temp = o1; + o1 = d1; + d1 = temp; + } + if (!TransLeq(o2, d2)) { + GLUvertex temp = o2; + o2 = d2; + d2 = temp; + } + if (!TransLeq(o1, o2)) { + GLUvertex temp = o2; + o2 = o1; + o1 = temp; + temp = d2; + d2 = d1; + d1 = temp; + } + + if (!TransLeq(o2, d1)) { + /* Technically, no intersection -- do our best */ + v.t = (o2.t + d1.t) / 2.0; + } else if (TransLeq(d1, d2)) { + /* Interpolate between o2 and d1 */ + z1 = TransEval(o1, o2, d1); + z2 = TransEval(o2, d1, d2); + if (z1 + z2 < 0) { + z1 = -z1; + z2 = -z2; + } + v.t = Interpolate(z1, o2.t, z2, d1.t); + } else { + /* Interpolate between o2 and d2 */ + z1 = TransSign(o1, o2, d1); + z2 = -TransSign(o1, d2, d1); + if (z1 + z2 < 0) { + z1 = -z1; + z2 = -z2; + } + v.t = Interpolate(z1, o2.t, z2, d2.t); + } + } + + static boolean VertEq(GLUvertex u, GLUvertex v) { + return u.s == v.s && u.t == v.t; + } + + static boolean VertLeq(GLUvertex u, GLUvertex v) { + return u.s < v.s || (u.s == v.s && u.t <= v.t); + } + +/* Versions of VertLeq, EdgeSign, EdgeEval with s and t transposed. */ + + static boolean TransLeq(GLUvertex u, GLUvertex v) { + return u.t < v.t || (u.t == v.t && u.s <= v.s); + } + + static boolean EdgeGoesLeft(GLUhalfEdge e) { + return VertLeq(e.Sym.Org, e.Org); + } + + static boolean EdgeGoesRight(GLUhalfEdge e) { + return VertLeq(e.Org, e.Sym.Org); + } + + static double VertL1dist(GLUvertex u, GLUvertex v) { + return Math.abs(u.s - v.s) + Math.abs(u.t - v.t); + } + + /***********************************************************************/ + + // Compute the cosine of the angle between the edges between o and + // v1 and between o and v2 + static double EdgeCos(GLUvertex o, GLUvertex v1, GLUvertex v2) { + double ov1s = v1.s - o.s; + double ov1t = v1.t - o.t; + double ov2s = v2.s - o.s; + double ov2t = v2.t - o.t; + double dotp = ov1s * ov2s + ov1t * ov2t; + double len = Math.sqrt(ov1s * ov1s + ov1t * ov1t) * Math.sqrt(ov2s * ov2s + ov2t * ov2t); + if (len > 0.0) { + dotp /= len; + } + return dotp; + } + + static final double EPSILON = 1.0e-5; + static final double ONE_MINUS_EPSILON = 1.0 - EPSILON; +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Mesh.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Mesh.java new file mode 100644 index 000000000..b8be9f80f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Mesh.java @@ -0,0 +1,734 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class Mesh { + private Mesh() { + } + + /************************ Utility Routines ************************/ +/* MakeEdge creates a new pair of half-edges which form their own loop. + * No vertex or face structures are allocated, but these must be assigned + * before the current edge operation is completed. + */ + static com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge MakeEdge(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eNext) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eSym; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge ePrev; + +// EdgePair * pair = (EdgePair *) +// memAlloc(sizeof(EdgePair)); +// if (pair == NULL) return NULL; +// +// e = &pair - > e; + e = new com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge(true); +// eSym = &pair - > eSym; + eSym = new com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge(false); + + + /* Make sure eNext points to the first edge of the edge pair */ + if (!eNext.first) { + eNext = eNext.Sym; + } + + /* Insert in circular doubly-linked list before eNext. + * Note that the prev pointer is stored in Sym->next. + */ + ePrev = eNext.Sym.next; + eSym.next = ePrev; + ePrev.Sym.next = e; + e.next = eNext; + eNext.Sym.next = eSym; + + e.Sym = eSym; + e.Onext = e; + e.Lnext = eSym; + e.Org = null; + e.Lface = null; + e.winding = 0; + e.activeRegion = null; + + eSym.Sym = e; + eSym.Onext = eSym; + eSym.Lnext = e; + eSym.Org = null; + eSym.Lface = null; + eSym.winding = 0; + eSym.activeRegion = null; + + return e; + } + +/* Splice( a, b ) is best described by the Guibas/Stolfi paper or the + * CS348a notes (see mesh.h). Basically it modifies the mesh so that + * a->Onext and b->Onext are exchanged. This can have various effects + * depending on whether a and b belong to different face or vertex rings. + * For more explanation see __gl_meshSplice() below. + */ + static void Splice(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge a, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge b) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge aOnext = a.Onext; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge bOnext = b.Onext; + + aOnext.Sym.Lnext = b; + bOnext.Sym.Lnext = a; + a.Onext = bOnext; + b.Onext = aOnext; + } + +/* MakeVertex( newVertex, eOrig, vNext ) attaches a new vertex and makes it the + * origin of all edges in the vertex loop to which eOrig belongs. "vNext" gives + * a place to insert the new vertex in the global vertex list. We insert + * the new vertex *before* vNext so that algorithms which walk the vertex + * list will not see the newly created vertices. + */ + static void MakeVertex(com.jogamp.opengl.impl.glu.tessellator.GLUvertex newVertex, + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrig, com.jogamp.opengl.impl.glu.tessellator.GLUvertex vNext) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex vPrev; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex vNew = newVertex; + + assert (vNew != null); + + /* insert in circular doubly-linked list before vNext */ + vPrev = vNext.prev; + vNew.prev = vPrev; + vPrev.next = vNew; + vNew.next = vNext; + vNext.prev = vNew; + + vNew.anEdge = eOrig; + vNew.data = null; + /* leave coords, s, t undefined */ + + /* fix other edges on this vertex loop */ + e = eOrig; + do { + e.Org = vNew; + e = e.Onext; + } while (e != eOrig); + } + +/* MakeFace( newFace, eOrig, fNext ) attaches a new face and makes it the left + * face of all edges in the face loop to which eOrig belongs. "fNext" gives + * a place to insert the new face in the global face list. We insert + * the new face *before* fNext so that algorithms which walk the face + * list will not see the newly created faces. + */ + static void MakeFace(com.jogamp.opengl.impl.glu.tessellator.GLUface newFace, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrig, com.jogamp.opengl.impl.glu.tessellator.GLUface fNext) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + com.jogamp.opengl.impl.glu.tessellator.GLUface fPrev; + com.jogamp.opengl.impl.glu.tessellator.GLUface fNew = newFace; + + assert (fNew != null); + + /* insert in circular doubly-linked list before fNext */ + fPrev = fNext.prev; + fNew.prev = fPrev; + fPrev.next = fNew; + fNew.next = fNext; + fNext.prev = fNew; + + fNew.anEdge = eOrig; + fNew.data = null; + fNew.trail = null; + fNew.marked = false; + + /* The new face is marked "inside" if the old one was. This is a + * convenience for the common case where a face has been split in two. + */ + fNew.inside = fNext.inside; + + /* fix other edges on this face loop */ + e = eOrig; + do { + e.Lface = fNew; + e = e.Lnext; + } while (e != eOrig); + } + +/* KillEdge( eDel ) destroys an edge (the half-edges eDel and eDel->Sym), + * and removes from the global edge list. + */ + static void KillEdge(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eDel) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge ePrev, eNext; + + /* Half-edges are allocated in pairs, see EdgePair above */ + if (!eDel.first) { + eDel = eDel.Sym; + } + + /* delete from circular doubly-linked list */ + eNext = eDel.next; + ePrev = eDel.Sym.next; + eNext.Sym.next = ePrev; + ePrev.Sym.next = eNext; + } + + +/* KillVertex( vDel ) destroys a vertex and removes it from the global + * vertex list. It updates the vertex loop to point to a given new vertex. + */ + static void KillVertex(com.jogamp.opengl.impl.glu.tessellator.GLUvertex vDel, com.jogamp.opengl.impl.glu.tessellator.GLUvertex newOrg) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, eStart = vDel.anEdge; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex vPrev, vNext; + + /* change the origin of all affected edges */ + e = eStart; + do { + e.Org = newOrg; + e = e.Onext; + } while (e != eStart); + + /* delete from circular doubly-linked list */ + vPrev = vDel.prev; + vNext = vDel.next; + vNext.prev = vPrev; + vPrev.next = vNext; + } + +/* KillFace( fDel ) destroys a face and removes it from the global face + * list. It updates the face loop to point to a given new face. + */ + static void KillFace(com.jogamp.opengl.impl.glu.tessellator.GLUface fDel, com.jogamp.opengl.impl.glu.tessellator.GLUface newLface) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, eStart = fDel.anEdge; + com.jogamp.opengl.impl.glu.tessellator.GLUface fPrev, fNext; + + /* change the left face of all affected edges */ + e = eStart; + do { + e.Lface = newLface; + e = e.Lnext; + } while (e != eStart); + + /* delete from circular doubly-linked list */ + fPrev = fDel.prev; + fNext = fDel.next; + fNext.prev = fPrev; + fPrev.next = fNext; + } + + + /****************** Basic Edge Operations **********************/ + +/* __gl_meshMakeEdge creates one edge, two vertices, and a loop (face). + * The loop consists of the two new half-edges. + */ + public static com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge __gl_meshMakeEdge(com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh) { + com.jogamp.opengl.impl.glu.tessellator.GLUvertex newVertex1 = new com.jogamp.opengl.impl.glu.tessellator.GLUvertex(); + com.jogamp.opengl.impl.glu.tessellator.GLUvertex newVertex2 = new com.jogamp.opengl.impl.glu.tessellator.GLUvertex(); + com.jogamp.opengl.impl.glu.tessellator.GLUface newFace = new com.jogamp.opengl.impl.glu.tessellator.GLUface(); + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + + e = MakeEdge(mesh.eHead); + if (e == null) return null; + + MakeVertex(newVertex1, e, mesh.vHead); + MakeVertex(newVertex2, e.Sym, mesh.vHead); + MakeFace(newFace, e, mesh.fHead); + return e; + } + + +/* __gl_meshSplice( eOrg, eDst ) is the basic operation for changing the + * mesh connectivity and topology. It changes the mesh so that + * eOrg->Onext <- OLD( eDst->Onext ) + * eDst->Onext <- OLD( eOrg->Onext ) + * where OLD(...) means the value before the meshSplice operation. + * + * This can have two effects on the vertex structure: + * - if eOrg->Org != eDst->Org, the two vertices are merged together + * - if eOrg->Org == eDst->Org, the origin is split into two vertices + * In both cases, eDst->Org is changed and eOrg->Org is untouched. + * + * Similarly (and independently) for the face structure, + * - if eOrg->Lface == eDst->Lface, one loop is split into two + * - if eOrg->Lface != eDst->Lface, two distinct loops are joined into one + * In both cases, eDst->Lface is changed and eOrg->Lface is unaffected. + * + * Some special cases: + * If eDst == eOrg, the operation has no effect. + * If eDst == eOrg->Lnext, the new face will have a single edge. + * If eDst == eOrg->Lprev, the old face will have a single edge. + * If eDst == eOrg->Onext, the new vertex will have a single edge. + * If eDst == eOrg->Oprev, the old vertex will have a single edge. + */ + public static boolean __gl_meshSplice(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrg, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eDst) { + boolean joiningLoops = false; + boolean joiningVertices = false; + + if (eOrg == eDst) return true; + + if (eDst.Org != eOrg.Org) { + /* We are merging two disjoint vertices -- destroy eDst->Org */ + joiningVertices = true; + KillVertex(eDst.Org, eOrg.Org); + } + if (eDst.Lface != eOrg.Lface) { + /* We are connecting two disjoint loops -- destroy eDst.Lface */ + joiningLoops = true; + KillFace(eDst.Lface, eOrg.Lface); + } + + /* Change the edge structure */ + Splice(eDst, eOrg); + + if (!joiningVertices) { + com.jogamp.opengl.impl.glu.tessellator.GLUvertex newVertex = new com.jogamp.opengl.impl.glu.tessellator.GLUvertex(); + + /* We split one vertex into two -- the new vertex is eDst.Org. + * Make sure the old vertex points to a valid half-edge. + */ + MakeVertex(newVertex, eDst, eOrg.Org); + eOrg.Org.anEdge = eOrg; + } + if (!joiningLoops) { + com.jogamp.opengl.impl.glu.tessellator.GLUface newFace = new com.jogamp.opengl.impl.glu.tessellator.GLUface(); + + /* We split one loop into two -- the new loop is eDst.Lface. + * Make sure the old face points to a valid half-edge. + */ + MakeFace(newFace, eDst, eOrg.Lface); + eOrg.Lface.anEdge = eOrg; + } + + return true; + } + + +/* __gl_meshDelete( eDel ) removes the edge eDel. There are several cases: + * if (eDel.Lface != eDel.Rface), we join two loops into one; the loop + * eDel.Lface is deleted. Otherwise, we are splitting one loop into two; + * the newly created loop will contain eDel.Dst. If the deletion of eDel + * would create isolated vertices, those are deleted as well. + * + * This function could be implemented as two calls to __gl_meshSplice + * plus a few calls to memFree, but this would allocate and delete + * unnecessary vertices and faces. + */ + static boolean __gl_meshDelete(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eDel) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eDelSym = eDel.Sym; + boolean joiningLoops = false; + + /* First step: disconnect the origin vertex eDel.Org. We make all + * changes to get a consistent mesh in this "intermediate" state. + */ + if (eDel.Lface != eDel.Sym.Lface) { + /* We are joining two loops into one -- remove the left face */ + joiningLoops = true; + KillFace(eDel.Lface, eDel.Sym.Lface); + } + + if (eDel.Onext == eDel) { + KillVertex(eDel.Org, null); + } else { + /* Make sure that eDel.Org and eDel.Sym.Lface point to valid half-edges */ + eDel.Sym.Lface.anEdge = eDel.Sym.Lnext; + eDel.Org.anEdge = eDel.Onext; + + Splice(eDel, eDel.Sym.Lnext); + if (!joiningLoops) { + com.jogamp.opengl.impl.glu.tessellator.GLUface newFace = new com.jogamp.opengl.impl.glu.tessellator.GLUface(); + + /* We are splitting one loop into two -- create a new loop for eDel. */ + MakeFace(newFace, eDel, eDel.Lface); + } + } + + /* Claim: the mesh is now in a consistent state, except that eDel.Org + * may have been deleted. Now we disconnect eDel.Dst. + */ + if (eDelSym.Onext == eDelSym) { + KillVertex(eDelSym.Org, null); + KillFace(eDelSym.Lface, null); + } else { + /* Make sure that eDel.Dst and eDel.Lface point to valid half-edges */ + eDel.Lface.anEdge = eDelSym.Sym.Lnext; + eDelSym.Org.anEdge = eDelSym.Onext; + Splice(eDelSym, eDelSym.Sym.Lnext); + } + + /* Any isolated vertices or faces have already been freed. */ + KillEdge(eDel); + + return true; + } + + + /******************** Other Edge Operations **********************/ + +/* All these routines can be implemented with the basic edge + * operations above. They are provided for convenience and efficiency. + */ + + +/* __gl_meshAddEdgeVertex( eOrg ) creates a new edge eNew such that + * eNew == eOrg.Lnext, and eNew.Dst is a newly created vertex. + * eOrg and eNew will have the same left face. + */ + static com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge __gl_meshAddEdgeVertex(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrg) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eNewSym; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eNew = MakeEdge(eOrg); + + eNewSym = eNew.Sym; + + /* Connect the new edge appropriately */ + Splice(eNew, eOrg.Lnext); + + /* Set the vertex and face information */ + eNew.Org = eOrg.Sym.Org; + { + com.jogamp.opengl.impl.glu.tessellator.GLUvertex newVertex = new com.jogamp.opengl.impl.glu.tessellator.GLUvertex(); + + MakeVertex(newVertex, eNewSym, eNew.Org); + } + eNew.Lface = eNewSym.Lface = eOrg.Lface; + + return eNew; + } + + +/* __gl_meshSplitEdge( eOrg ) splits eOrg into two edges eOrg and eNew, + * such that eNew == eOrg.Lnext. The new vertex is eOrg.Sym.Org == eNew.Org. + * eOrg and eNew will have the same left face. + */ + public static com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge __gl_meshSplitEdge(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrg) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eNew; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge tempHalfEdge = __gl_meshAddEdgeVertex(eOrg); + + eNew = tempHalfEdge.Sym; + + /* Disconnect eOrg from eOrg.Sym.Org and connect it to eNew.Org */ + Splice(eOrg.Sym, eOrg.Sym.Sym.Lnext); + Splice(eOrg.Sym, eNew); + + /* Set the vertex and face information */ + eOrg.Sym.Org = eNew.Org; + eNew.Sym.Org.anEdge = eNew.Sym; /* may have pointed to eOrg.Sym */ + eNew.Sym.Lface = eOrg.Sym.Lface; + eNew.winding = eOrg.winding; /* copy old winding information */ + eNew.Sym.winding = eOrg.Sym.winding; + + return eNew; + } + + +/* __gl_meshConnect( eOrg, eDst ) creates a new edge from eOrg.Sym.Org + * to eDst.Org, and returns the corresponding half-edge eNew. + * If eOrg.Lface == eDst.Lface, this splits one loop into two, + * and the newly created loop is eNew.Lface. Otherwise, two disjoint + * loops are merged into one, and the loop eDst.Lface is destroyed. + * + * If (eOrg == eDst), the new face will have only two edges. + * If (eOrg.Lnext == eDst), the old face is reduced to a single edge. + * If (eOrg.Lnext.Lnext == eDst), the old face is reduced to two edges. + */ + static com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge __gl_meshConnect(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrg, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eDst) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eNewSym; + boolean joiningLoops = false; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eNew = MakeEdge(eOrg); + + eNewSym = eNew.Sym; + + if (eDst.Lface != eOrg.Lface) { + /* We are connecting two disjoint loops -- destroy eDst.Lface */ + joiningLoops = true; + KillFace(eDst.Lface, eOrg.Lface); + } + + /* Connect the new edge appropriately */ + Splice(eNew, eOrg.Lnext); + Splice(eNewSym, eDst); + + /* Set the vertex and face information */ + eNew.Org = eOrg.Sym.Org; + eNewSym.Org = eDst.Org; + eNew.Lface = eNewSym.Lface = eOrg.Lface; + + /* Make sure the old face points to a valid half-edge */ + eOrg.Lface.anEdge = eNewSym; + + if (!joiningLoops) { + com.jogamp.opengl.impl.glu.tessellator.GLUface newFace = new com.jogamp.opengl.impl.glu.tessellator.GLUface(); + + /* We split one loop into two -- the new loop is eNew.Lface */ + MakeFace(newFace, eNew, eOrg.Lface); + } + return eNew; + } + + + /******************** Other Operations **********************/ + +/* __gl_meshZapFace( fZap ) destroys a face and removes it from the + * global face list. All edges of fZap will have a null pointer as their + * left face. Any edges which also have a null pointer as their right face + * are deleted entirely (along with any isolated vertices this produces). + * An entire mesh can be deleted by zapping its faces, one at a time, + * in any order. Zapped faces cannot be used in further mesh operations! + */ + static void __gl_meshZapFace(com.jogamp.opengl.impl.glu.tessellator.GLUface fZap) { + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eStart = fZap.anEdge; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, eNext, eSym; + com.jogamp.opengl.impl.glu.tessellator.GLUface fPrev, fNext; + + /* walk around face, deleting edges whose right face is also null */ + eNext = eStart.Lnext; + do { + e = eNext; + eNext = e.Lnext; + + e.Lface = null; + if (e.Sym.Lface == null) { + /* delete the edge -- see __gl_MeshDelete above */ + + if (e.Onext == e) { + KillVertex(e.Org, null); + } else { + /* Make sure that e.Org points to a valid half-edge */ + e.Org.anEdge = e.Onext; + Splice(e, e.Sym.Lnext); + } + eSym = e.Sym; + if (eSym.Onext == eSym) { + KillVertex(eSym.Org, null); + } else { + /* Make sure that eSym.Org points to a valid half-edge */ + eSym.Org.anEdge = eSym.Onext; + Splice(eSym, eSym.Sym.Lnext); + } + KillEdge(e); + } + } while (e != eStart); + + /* delete from circular doubly-linked list */ + fPrev = fZap.prev; + fNext = fZap.next; + fNext.prev = fPrev; + fPrev.next = fNext; + } + + +/* __gl_meshNewMesh() creates a new mesh with no edges, no vertices, + * and no loops (what we usually call a "face"). + */ + public static com.jogamp.opengl.impl.glu.tessellator.GLUmesh __gl_meshNewMesh() { + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v; + com.jogamp.opengl.impl.glu.tessellator.GLUface f; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eSym; + com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh = new com.jogamp.opengl.impl.glu.tessellator.GLUmesh(); + + v = mesh.vHead; + f = mesh.fHead; + e = mesh.eHead; + eSym = mesh.eHeadSym; + + v.next = v.prev = v; + v.anEdge = null; + v.data = null; + + f.next = f.prev = f; + f.anEdge = null; + f.data = null; + f.trail = null; + f.marked = false; + f.inside = false; + + e.next = e; + e.Sym = eSym; + e.Onext = null; + e.Lnext = null; + e.Org = null; + e.Lface = null; + e.winding = 0; + e.activeRegion = null; + + eSym.next = eSym; + eSym.Sym = e; + eSym.Onext = null; + eSym.Lnext = null; + eSym.Org = null; + eSym.Lface = null; + eSym.winding = 0; + eSym.activeRegion = null; + + return mesh; + } + + +/* __gl_meshUnion( mesh1, mesh2 ) forms the union of all structures in + * both meshes, and returns the new mesh (the old meshes are destroyed). + */ + static com.jogamp.opengl.impl.glu.tessellator.GLUmesh __gl_meshUnion(com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh1, com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh2) { + com.jogamp.opengl.impl.glu.tessellator.GLUface f1 = mesh1.fHead; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v1 = mesh1.vHead; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e1 = mesh1.eHead; + com.jogamp.opengl.impl.glu.tessellator.GLUface f2 = mesh2.fHead; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v2 = mesh2.vHead; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e2 = mesh2.eHead; + + /* Add the faces, vertices, and edges of mesh2 to those of mesh1 */ + if (f2.next != f2) { + f1.prev.next = f2.next; + f2.next.prev = f1.prev; + f2.prev.next = f1; + f1.prev = f2.prev; + } + + if (v2.next != v2) { + v1.prev.next = v2.next; + v2.next.prev = v1.prev; + v2.prev.next = v1; + v1.prev = v2.prev; + } + + if (e2.next != e2) { + e1.Sym.next.Sym.next = e2.next; + e2.next.Sym.next = e1.Sym.next; + e2.Sym.next.Sym.next = e1; + e1.Sym.next = e2.Sym.next; + } + + return mesh1; + } + + +/* __gl_meshDeleteMesh( mesh ) will free all storage for any valid mesh. + */ + static void __gl_meshDeleteMeshZap(com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh) { + com.jogamp.opengl.impl.glu.tessellator.GLUface fHead = mesh.fHead; + + while (fHead.next != fHead) { + __gl_meshZapFace(fHead.next); + } + assert (mesh.vHead.next == mesh.vHead); + } + +/* __gl_meshDeleteMesh( mesh ) will free all storage for any valid mesh. + */ + public static void __gl_meshDeleteMesh(com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh) { + com.jogamp.opengl.impl.glu.tessellator.GLUface f, fNext; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v, vNext; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, eNext; + + for (f = mesh.fHead.next; f != mesh.fHead; f = fNext) { + fNext = f.next; + } + + for (v = mesh.vHead.next; v != mesh.vHead; v = vNext) { + vNext = v.next; + } + + for (e = mesh.eHead.next; e != mesh.eHead; e = eNext) { + /* One call frees both e and e.Sym (see EdgePair above) */ + eNext = e.next; + } + } + +/* __gl_meshCheckMesh( mesh ) checks a mesh for self-consistency. + */ + public static void __gl_meshCheckMesh(com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh) { + com.jogamp.opengl.impl.glu.tessellator.GLUface fHead = mesh.fHead; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex vHead = mesh.vHead; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eHead = mesh.eHead; + com.jogamp.opengl.impl.glu.tessellator.GLUface f, fPrev; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v, vPrev; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, ePrev; + + fPrev = fHead; + for (fPrev = fHead; (f = fPrev.next) != fHead; fPrev = f) { + assert (f.prev == fPrev); + e = f.anEdge; + do { + assert (e.Sym != e); + assert (e.Sym.Sym == e); + assert (e.Lnext.Onext.Sym == e); + assert (e.Onext.Sym.Lnext == e); + assert (e.Lface == f); + e = e.Lnext; + } while (e != f.anEdge); + } + assert (f.prev == fPrev && f.anEdge == null && f.data == null); + + vPrev = vHead; + for (vPrev = vHead; (v = vPrev.next) != vHead; vPrev = v) { + assert (v.prev == vPrev); + e = v.anEdge; + do { + assert (e.Sym != e); + assert (e.Sym.Sym == e); + assert (e.Lnext.Onext.Sym == e); + assert (e.Onext.Sym.Lnext == e); + assert (e.Org == v); + e = e.Onext; + } while (e != v.anEdge); + } + assert (v.prev == vPrev && v.anEdge == null && v.data == null); + + ePrev = eHead; + for (ePrev = eHead; (e = ePrev.next) != eHead; ePrev = e) { + assert (e.Sym.next == ePrev.Sym); + assert (e.Sym != e); + assert (e.Sym.Sym == e); + assert (e.Org != null); + assert (e.Sym.Org != null); + assert (e.Lnext.Onext.Sym == e); + assert (e.Onext.Sym.Lnext == e); + } + assert (e.Sym.next == ePrev.Sym + && e.Sym == mesh.eHeadSym + && e.Sym.Sym == e + && e.Org == null && e.Sym.Org == null + && e.Lface == null && e.Sym.Lface == null); + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Normal.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Normal.java new file mode 100644 index 000000000..fe1a20c49 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Normal.java @@ -0,0 +1,288 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +import javax.media.opengl.*; +import javax.media.opengl.glu.*; + +class Normal { + private Normal() { + } + + static boolean SLANTED_SWEEP = false; + static double S_UNIT_X; /* Pre-normalized */ + static double S_UNIT_Y; + private static final boolean TRUE_PROJECT = false; + + static { + if (SLANTED_SWEEP) { +/* The "feature merging" is not intended to be complete. There are + * special cases where edges are nearly parallel to the sweep line + * which are not implemented. The algorithm should still behave + * robustly (ie. produce a reasonable tesselation) in the presence + * of such edges, however it may miss features which could have been + * merged. We could minimize this effect by choosing the sweep line + * direction to be something unusual (ie. not parallel to one of the + * coordinate axes). + */ + S_UNIT_X = 0.50941539564955385; /* Pre-normalized */ + S_UNIT_Y = 0.86052074622010633; + } else { + S_UNIT_X = 1.0; + S_UNIT_Y = 0.0; + } + } + + private static double Dot(double[] u, double[] v) { + return (u[0] * v[0] + u[1] * v[1] + u[2] * v[2]); + } + + static void Normalize(double[] v) { + double len = v[0] * v[0] + v[1] * v[1] + v[2] * v[2]; + + assert (len > 0); + len = Math.sqrt(len); + v[0] /= len; + v[1] /= len; + v[2] /= len; + } + + static int LongAxis(double[] v) { + int i = 0; + + if (Math.abs(v[1]) > Math.abs(v[0])) { + i = 1; + } + if (Math.abs(v[2]) > Math.abs(v[i])) { + i = 2; + } + return i; + } + + static void ComputeNormal(GLUtessellatorImpl tess, double[] norm) { + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v, v1, v2; + double c, tLen2, maxLen2; + double[] maxVal, minVal, d1, d2, tNorm; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex[] maxVert, minVert; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex vHead = tess.mesh.vHead; + int i; + + maxVal = new double[3]; + minVal = new double[3]; + minVert = new com.jogamp.opengl.impl.glu.tessellator.GLUvertex[3]; + maxVert = new com.jogamp.opengl.impl.glu.tessellator.GLUvertex[3]; + d1 = new double[3]; + d2 = new double[3]; + tNorm = new double[3]; + + maxVal[0] = maxVal[1] = maxVal[2] = -2 * GLU.GLU_TESS_MAX_COORD; + minVal[0] = minVal[1] = minVal[2] = 2 * GLU.GLU_TESS_MAX_COORD; + + for (v = vHead.next; v != vHead; v = v.next) { + for (i = 0; i < 3; ++i) { + c = v.coords[i]; + if (c < minVal[i]) { + minVal[i] = c; + minVert[i] = v; + } + if (c > maxVal[i]) { + maxVal[i] = c; + maxVert[i] = v; + } + } + } + +/* Find two vertices separated by at least 1/sqrt(3) of the maximum + * distance between any two vertices + */ + i = 0; + if (maxVal[1] - minVal[1] > maxVal[0] - minVal[0]) { + i = 1; + } + if (maxVal[2] - minVal[2] > maxVal[i] - minVal[i]) { + i = 2; + } + if (minVal[i] >= maxVal[i]) { +/* All vertices are the same -- normal doesn't matter */ + norm[0] = 0; + norm[1] = 0; + norm[2] = 1; + return; + } + +/* Look for a third vertex which forms the triangle with maximum area + * (Length of normal == twice the triangle area) + */ + maxLen2 = 0; + v1 = minVert[i]; + v2 = maxVert[i]; + d1[0] = v1.coords[0] - v2.coords[0]; + d1[1] = v1.coords[1] - v2.coords[1]; + d1[2] = v1.coords[2] - v2.coords[2]; + for (v = vHead.next; v != vHead; v = v.next) { + d2[0] = v.coords[0] - v2.coords[0]; + d2[1] = v.coords[1] - v2.coords[1]; + d2[2] = v.coords[2] - v2.coords[2]; + tNorm[0] = d1[1] * d2[2] - d1[2] * d2[1]; + tNorm[1] = d1[2] * d2[0] - d1[0] * d2[2]; + tNorm[2] = d1[0] * d2[1] - d1[1] * d2[0]; + tLen2 = tNorm[0] * tNorm[0] + tNorm[1] * tNorm[1] + tNorm[2] * tNorm[2]; + if (tLen2 > maxLen2) { + maxLen2 = tLen2; + norm[0] = tNorm[0]; + norm[1] = tNorm[1]; + norm[2] = tNorm[2]; + } + } + + if (maxLen2 <= 0) { +/* All points lie on a single line -- any decent normal will do */ + norm[0] = norm[1] = norm[2] = 0; + norm[LongAxis(d1)] = 1; + } + } + + static void CheckOrientation(GLUtessellatorImpl tess) { + double area; + com.jogamp.opengl.impl.glu.tessellator.GLUface f, fHead = tess.mesh.fHead; + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v, vHead = tess.mesh.vHead; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + +/* When we compute the normal automatically, we choose the orientation + * so that the the sum of the signed areas of all contours is non-negative. + */ + area = 0; + for (f = fHead.next; f != fHead; f = f.next) { + e = f.anEdge; + if (e.winding <= 0) continue; + do { + area += (e.Org.s - e.Sym.Org.s) * (e.Org.t + e.Sym.Org.t); + e = e.Lnext; + } while (e != f.anEdge); + } + if (area < 0) { +/* Reverse the orientation by flipping all the t-coordinates */ + for (v = vHead.next; v != vHead; v = v.next) { + v.t = -v.t; + } + tess.tUnit[0] = -tess.tUnit[0]; + tess.tUnit[1] = -tess.tUnit[1]; + tess.tUnit[2] = -tess.tUnit[2]; + } + } + +/* Determine the polygon normal and project vertices onto the plane + * of the polygon. + */ + public static void __gl_projectPolygon(GLUtessellatorImpl tess) { + com.jogamp.opengl.impl.glu.tessellator.GLUvertex v, vHead = tess.mesh.vHead; + double w; + double[] norm = new double[3]; + double[] sUnit, tUnit; + int i; + boolean computedNormal = false; + + norm[0] = tess.normal[0]; + norm[1] = tess.normal[1]; + norm[2] = tess.normal[2]; + if (norm[0] == 0 && norm[1] == 0 && norm[2] == 0) { + ComputeNormal(tess, norm); + computedNormal = true; + } + sUnit = tess.sUnit; + tUnit = tess.tUnit; + i = LongAxis(norm); + + if (TRUE_PROJECT) { +/* Choose the initial sUnit vector to be approximately perpendicular + * to the normal. + */ + Normalize(norm); + + sUnit[i] = 0; + sUnit[(i + 1) % 3] = S_UNIT_X; + sUnit[(i + 2) % 3] = S_UNIT_Y; + +/* Now make it exactly perpendicular */ + w = Dot(sUnit, norm); + sUnit[0] -= w * norm[0]; + sUnit[1] -= w * norm[1]; + sUnit[2] -= w * norm[2]; + Normalize(sUnit); + +/* Choose tUnit so that (sUnit,tUnit,norm) form a right-handed frame */ + tUnit[0] = norm[1] * sUnit[2] - norm[2] * sUnit[1]; + tUnit[1] = norm[2] * sUnit[0] - norm[0] * sUnit[2]; + tUnit[2] = norm[0] * sUnit[1] - norm[1] * sUnit[0]; + Normalize(tUnit); + } else { +/* Project perpendicular to a coordinate axis -- better numerically */ + sUnit[i] = 0; + sUnit[(i + 1) % 3] = S_UNIT_X; + sUnit[(i + 2) % 3] = S_UNIT_Y; + + tUnit[i] = 0; + tUnit[(i + 1) % 3] = (norm[i] > 0) ? -S_UNIT_Y : S_UNIT_Y; + tUnit[(i + 2) % 3] = (norm[i] > 0) ? S_UNIT_X : -S_UNIT_X; + } + +/* Project the vertices onto the sweep plane */ + for (v = vHead.next; v != vHead; v = v.next) { + v.s = Dot(v.coords, sUnit); + v.t = Dot(v.coords, tUnit); + } + if (computedNormal) { + CheckOrientation(tess); + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQ.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQ.java new file mode 100644 index 000000000..b77305ae2 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQ.java @@ -0,0 +1,100 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +abstract class PriorityQ { + public static final int INIT_SIZE = 32; + + public static class PQnode { + int handle; + } + + public static class PQhandleElem { + Object key; + int node; + } + + public static interface Leq { + boolean leq(Object key1, Object key2); + } + + // #ifdef FOR_TRITE_TEST_PROGRAM +// private static boolean LEQ(PriorityQCommon.Leq leq, Object x,Object y) { +// return pq.leq.leq(x,y); +// } +// #else +/* Violates modularity, but a little faster */ +// #include "geom.h" + public static boolean LEQ(Leq leq, Object x, Object y) { + return com.jogamp.opengl.impl.glu.tessellator.Geom.VertLeq((com.jogamp.opengl.impl.glu.tessellator.GLUvertex) x, (com.jogamp.opengl.impl.glu.tessellator.GLUvertex) y); + } + + static PriorityQ pqNewPriorityQ(Leq leq) { + return new PriorityQSort(leq); + } + + abstract void pqDeletePriorityQ(); + + abstract boolean pqInit(); + + abstract int pqInsert(Object keyNew); + + abstract Object pqExtractMin(); + + abstract void pqDelete(int hCurr); + + abstract Object pqMinimum(); + + abstract boolean pqIsEmpty(); +// #endif +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQHeap.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQHeap.java new file mode 100644 index 000000000..61aa9574f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQHeap.java @@ -0,0 +1,262 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class PriorityQHeap extends com.jogamp.opengl.impl.glu.tessellator.PriorityQ { + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQnode[] nodes; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] handles; + int size, max; + int freeList; + boolean initialized; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.Leq leq; + +/* really __gl_pqHeapNewPriorityQ */ + public PriorityQHeap(com.jogamp.opengl.impl.glu.tessellator.PriorityQ.Leq leq) { + size = 0; + max = com.jogamp.opengl.impl.glu.tessellator.PriorityQ.INIT_SIZE; + nodes = new com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQnode[com.jogamp.opengl.impl.glu.tessellator.PriorityQ.INIT_SIZE + 1]; + for (int i = 0; i < nodes.length; i++) { + nodes[i] = new PQnode(); + } + handles = new com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[com.jogamp.opengl.impl.glu.tessellator.PriorityQ.INIT_SIZE + 1]; + for (int i = 0; i < handles.length; i++) { + handles[i] = new PQhandleElem(); + } + initialized = false; + freeList = 0; + this.leq = leq; + + nodes[1].handle = 1; /* so that Minimum() returns NULL */ + handles[1].key = null; + } + +/* really __gl_pqHeapDeletePriorityQ */ + void pqDeletePriorityQ() { + handles = null; + nodes = null; + } + + void FloatDown(int curr) { + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQnode[] n = nodes; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] h = handles; + int hCurr, hChild; + int child; + + hCurr = n[curr].handle; + for (; ;) { + child = curr << 1; + if (child < size && LEQ(leq, h[n[child + 1].handle].key, + h[n[child].handle].key)) { + ++child; + } + + assert (child <= max); + + hChild = n[child].handle; + if (child > size || LEQ(leq, h[hCurr].key, h[hChild].key)) { + n[curr].handle = hCurr; + h[hCurr].node = curr; + break; + } + n[curr].handle = hChild; + h[hChild].node = curr; + curr = child; + } + } + + + void FloatUp(int curr) { + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQnode[] n = nodes; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] h = handles; + int hCurr, hParent; + int parent; + + hCurr = n[curr].handle; + for (; ;) { + parent = curr >> 1; + hParent = n[parent].handle; + if (parent == 0 || LEQ(leq, h[hParent].key, h[hCurr].key)) { + n[curr].handle = hCurr; + h[hCurr].node = curr; + break; + } + n[curr].handle = hParent; + h[hParent].node = curr; + curr = parent; + } + } + +/* really __gl_pqHeapInit */ + boolean pqInit() { + int i; + + /* This method of building a heap is O(n), rather than O(n lg n). */ + + for (i = size; i >= 1; --i) { + FloatDown(i); + } + initialized = true; + + return true; + } + +/* really __gl_pqHeapInsert */ +/* returns LONG_MAX iff out of memory */ + int pqInsert(Object keyNew) { + int curr; + int free; + + curr = ++size; + if ((curr * 2) > max) { + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQnode[] saveNodes = nodes; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] saveHandles = handles; + + /* If the heap overflows, double its size. */ + max <<= 1; +// pq->nodes = (PQnode *)memRealloc( pq->nodes, (size_t) ((pq->max + 1) * sizeof( pq->nodes[0] ))); + PriorityQ.PQnode[] pqNodes = new PriorityQ.PQnode[max + 1]; + System.arraycopy( nodes, 0, pqNodes, 0, nodes.length ); + for (int i = nodes.length; i < pqNodes.length; i++) { + pqNodes[i] = new PQnode(); + } + nodes = pqNodes; + if (nodes == null) { + nodes = saveNodes; /* restore ptr to free upon return */ + return Integer.MAX_VALUE; + } + +// pq->handles = (PQhandleElem *)memRealloc( pq->handles,(size_t)((pq->max + 1) * sizeof( pq->handles[0] ))); + PriorityQ.PQhandleElem[] pqHandles = new PriorityQ.PQhandleElem[max + 1]; + System.arraycopy( handles, 0, pqHandles, 0, handles.length ); + for (int i = handles.length; i < pqHandles.length; i++) { + pqHandles[i] = new PQhandleElem(); + } + handles = pqHandles; + if (handles == null) { + handles = saveHandles; /* restore ptr to free upon return */ + return Integer.MAX_VALUE; + } + } + + if (freeList == 0) { + free = curr; + } else { + free = freeList; + freeList = handles[free].node; + } + + nodes[curr].handle = free; + handles[free].node = curr; + handles[free].key = keyNew; + + if (initialized) { + FloatUp(curr); + } + assert (free != Integer.MAX_VALUE); + return free; + } + +/* really __gl_pqHeapExtractMin */ + Object pqExtractMin() { + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQnode[] n = nodes; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] h = handles; + int hMin = n[1].handle; + Object min = h[hMin].key; + + if (size > 0) { + n[1].handle = n[size].handle; + h[n[1].handle].node = 1; + + h[hMin].key = null; + h[hMin].node = freeList; + freeList = hMin; + + if (--size > 0) { + FloatDown(1); + } + } + return min; + } + +/* really __gl_pqHeapDelete */ + void pqDelete(int hCurr) { + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQnode[] n = nodes; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.PQhandleElem[] h = handles; + int curr; + + assert (hCurr >= 1 && hCurr <= max && h[hCurr].key != null); + + curr = h[hCurr].node; + n[curr].handle = n[size].handle; + h[n[curr].handle].node = curr; + + if (curr <= --size) { + if (curr <= 1 || LEQ(leq, h[n[curr >> 1].handle].key, h[n[curr].handle].key)) { + FloatDown(curr); + } else { + FloatUp(curr); + } + } + h[hCurr].key = null; + h[hCurr].node = freeList; + freeList = hCurr; + } + + Object pqMinimum() { + return handles[nodes[1].handle].key; + } + + boolean pqIsEmpty() { + return size == 0; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQSort.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQSort.java new file mode 100644 index 000000000..f115b8f49 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/PriorityQSort.java @@ -0,0 +1,278 @@ +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class PriorityQSort extends com.jogamp.opengl.impl.glu.tessellator.PriorityQ { + com.jogamp.opengl.impl.glu.tessellator.PriorityQHeap heap; + Object[] keys; + + // JAVA: 'order' contains indices into the keys array. + // This simulates the indirect pointers used in the original C code + // (from Frank Suykens, Luciad.com). + int[] order; + int size, max; + boolean initialized; + com.jogamp.opengl.impl.glu.tessellator.PriorityQ.Leq leq; + + public PriorityQSort(com.jogamp.opengl.impl.glu.tessellator.PriorityQ.Leq leq) { + heap = new com.jogamp.opengl.impl.glu.tessellator.PriorityQHeap(leq); + + keys = new Object[com.jogamp.opengl.impl.glu.tessellator.PriorityQ.INIT_SIZE]; + + size = 0; + max = com.jogamp.opengl.impl.glu.tessellator.PriorityQ.INIT_SIZE; + initialized = false; + this.leq = leq; + } + +/* really __gl_pqSortDeletePriorityQ */ + void pqDeletePriorityQ() { + if (heap != null) heap.pqDeletePriorityQ(); + order = null; + keys = null; + } + + private static boolean LT(com.jogamp.opengl.impl.glu.tessellator.PriorityQ.Leq leq, Object x, Object y) { + return (!com.jogamp.opengl.impl.glu.tessellator.PriorityQHeap.LEQ(leq, y, x)); + } + + private static boolean GT(com.jogamp.opengl.impl.glu.tessellator.PriorityQ.Leq leq, Object x, Object y) { + return (!com.jogamp.opengl.impl.glu.tessellator.PriorityQHeap.LEQ(leq, x, y)); + } + + private static void Swap(int[] array, int a, int b) { + if (true) { + int tmp = array[a]; + array[a] = array[b]; + array[b] = tmp; + } else { + + } + } + + private static class Stack { + int p, r; + } + +/* really __gl_pqSortInit */ + boolean pqInit() { + int p, r, i, j; + int piv; + Stack[] stack = new Stack[50]; + for (int k = 0; k < stack.length; k++) { + stack[k] = new Stack(); + } + int top = 0; + + int seed = 2016473283; + + /* Create an array of indirect pointers to the keys, so that we + * the handles we have returned are still valid. + */ + order = new int[size + 1]; +/* the previous line is a patch to compensate for the fact that IBM */ +/* machines return a null on a malloc of zero bytes (unlike SGI), */ +/* so we have to put in this defense to guard against a memory */ +/* fault four lines down. from [email protected]. */ + p = 0; + r = size - 1; + for (piv = 0, i = p; i <= r; ++piv, ++i) { + // indirect pointers: keep an index into the keys array, not a direct pointer to its contents + order[i] = piv; + } + + /* Sort the indirect pointers in descending order, + * using randomized Quicksort + */ + stack[top].p = p; + stack[top].r = r; + ++top; + while (--top >= 0) { + p = stack[top].p; + r = stack[top].r; + while (r > p + 10) { + seed = Math.abs( seed * 1539415821 + 1 ); + i = p + seed % (r - p + 1); + piv = order[i]; + order[i] = order[p]; + order[p] = piv; + i = p - 1; + j = r + 1; + do { + do { + ++i; + } while (GT(leq, keys[order[i]], keys[piv])); + do { + --j; + } while (LT(leq, keys[order[j]], keys[piv])); + Swap(order, i, j); + } while (i < j); + Swap(order, i, j); /* Undo last swap */ + if (i - p < r - j) { + stack[top].p = j + 1; + stack[top].r = r; + ++top; + r = i - 1; + } else { + stack[top].p = p; + stack[top].r = i - 1; + ++top; + p = j + 1; + } + } + /* Insertion sort small lists */ + for (i = p + 1; i <= r; ++i) { + piv = order[i]; + for (j = i; j > p && LT(leq, keys[order[j - 1]], keys[piv]); --j) { + order[j] = order[j - 1]; + } + order[j] = piv; + } + } + max = size; + initialized = true; + heap.pqInit(); /* always succeeds */ + +/* #ifndef NDEBUG + p = order; + r = p + size - 1; + for (i = p; i < r; ++i) { + Assertion.doAssert(LEQ( * * (i + 1), **i )); + } + #endif*/ + + return true; + } + +/* really __gl_pqSortInsert */ +/* returns LONG_MAX iff out of memory */ + int pqInsert(Object keyNew) { + int curr; + + if (initialized) { + return heap.pqInsert(keyNew); + } + curr = size; + if (++size >= max) { + Object[] saveKey = keys; + + /* If the heap overflows, double its size. */ + max <<= 1; +// pq->keys = (PQHeapKey *)memRealloc( pq->keys,(size_t)(pq->max * sizeof( pq->keys[0] ))); + Object[] pqKeys = new Object[max]; + System.arraycopy( keys, 0, pqKeys, 0, keys.length ); + keys = pqKeys; + if (keys == null) { + keys = saveKey; /* restore ptr to free upon return */ + return Integer.MAX_VALUE; + } + } + assert curr != Integer.MAX_VALUE; + keys[curr] = keyNew; + + /* Negative handles index the sorted array. */ + return -(curr + 1); + } + +/* really __gl_pqSortExtractMin */ + Object pqExtractMin() { + Object sortMin, heapMin; + + if (size == 0) { + return heap.pqExtractMin(); + } + sortMin = keys[order[size - 1]]; + if (!heap.pqIsEmpty()) { + heapMin = heap.pqMinimum(); + if (LEQ(leq, heapMin, sortMin)) { + return heap.pqExtractMin(); + } + } + do { + --size; + } while (size > 0 && keys[order[size - 1]] == null); + return sortMin; + } + +/* really __gl_pqSortMinimum */ + Object pqMinimum() { + Object sortMin, heapMin; + + if (size == 0) { + return heap.pqMinimum(); + } + sortMin = keys[order[size - 1]]; + if (!heap.pqIsEmpty()) { + heapMin = heap.pqMinimum(); + if (com.jogamp.opengl.impl.glu.tessellator.PriorityQHeap.LEQ(leq, heapMin, sortMin)) { + return heapMin; + } + } + return sortMin; + } + +/* really __gl_pqSortIsEmpty */ + boolean pqIsEmpty() { + return (size == 0) && heap.pqIsEmpty(); + } + +/* really __gl_pqSortDelete */ + void pqDelete(int curr) { + if (curr >= 0) { + heap.pqDelete(curr); + return; + } + curr = -(curr + 1); + assert curr < max && keys[curr] != null; + + keys[curr] = null; + while (size > 0 && keys[order[size - 1]] == null) { + --size; + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Render.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Render.java new file mode 100644 index 000000000..9761200e0 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Render.java @@ -0,0 +1,557 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +import javax.media.opengl.*; +import javax.media.opengl.glu.*; + +class Render { + private static final boolean USE_OPTIMIZED_CODE_PATH = false; + + private Render() { + } + + private static final RenderFan renderFan = new RenderFan(); + private static final RenderStrip renderStrip = new RenderStrip(); + private static final RenderTriangle renderTriangle = new RenderTriangle(); + +/* This structure remembers the information we need about a primitive + * to be able to render it later, once we have determined which + * primitive is able to use the most triangles. + */ + private static class FaceCount { + public FaceCount() { + } + + public FaceCount(long size, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eStart, renderCallBack render) { + this.size = size; + this.eStart = eStart; + this.render = render; + } + + long size; /* number of triangles used */ + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eStart; /* edge where this primitive starts */ + renderCallBack render; + }; + + private static interface renderCallBack { + void render(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, long size); + } + + /************************ Strips and Fans decomposition ******************/ + +/* __gl_renderMesh( tess, mesh ) takes a mesh and breaks it into triangle + * fans, strips, and separate triangles. A substantial effort is made + * to use as few rendering primitives as possible (ie. to make the fans + * and strips as large as possible). + * + * The rendering output is provided as callbacks (see the api). + */ + public static void __gl_renderMesh(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh) { + com.jogamp.opengl.impl.glu.tessellator.GLUface f; + + /* Make a list of separate triangles so we can render them all at once */ + tess.lonelyTriList = null; + + for (f = mesh.fHead.next; f != mesh.fHead; f = f.next) { + f.marked = false; + } + for (f = mesh.fHead.next; f != mesh.fHead; f = f.next) { + + /* We examine all faces in an arbitrary order. Whenever we find + * an unprocessed face F, we output a group of faces including F + * whose size is maximum. + */ + if (f.inside && !f.marked) { + RenderMaximumFaceGroup(tess, f); + assert (f.marked); + } + } + if (tess.lonelyTriList != null) { + RenderLonelyTriangles(tess, tess.lonelyTriList); + tess.lonelyTriList = null; + } + } + + + static void RenderMaximumFaceGroup(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUface fOrig) { + /* We want to find the largest triangle fan or strip of unmarked faces + * which includes the given face fOrig. There are 3 possible fans + * passing through fOrig (one centered at each vertex), and 3 possible + * strips (one for each CCW permutation of the vertices). Our strategy + * is to try all of these, and take the primitive which uses the most + * triangles (a greedy approach). + */ + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e = fOrig.anEdge; + FaceCount max = new FaceCount(); + FaceCount newFace = new FaceCount(); + + max.size = 1; + max.eStart = e; + max.render = renderTriangle; + + if (!tess.flagBoundary) { + newFace = MaximumFan(e); + if (newFace.size > max.size) { + max = newFace; + } + newFace = MaximumFan(e.Lnext); + if (newFace.size > max.size) { + max = newFace; + } + newFace = MaximumFan(e.Onext.Sym); + if (newFace.size > max.size) { + max = newFace; + } + + newFace = MaximumStrip(e); + if (newFace.size > max.size) { + max = newFace; + } + newFace = MaximumStrip(e.Lnext); + if (newFace.size > max.size) { + max = newFace; + } + newFace = MaximumStrip(e.Onext.Sym); + if (newFace.size > max.size) { + max = newFace; + } + } + max.render.render(tess, max.eStart, max.size); + } + + +/* Macros which keep track of faces we have marked temporarily, and allow + * us to backtrack when necessary. With triangle fans, this is not + * really necessary, since the only awkward case is a loop of triangles + * around a single origin vertex. However with strips the situation is + * more complicated, and we need a general tracking method like the + * one here. + */ + private static boolean Marked(com.jogamp.opengl.impl.glu.tessellator.GLUface f) { + return !f.inside || f.marked; + } + + private static GLUface AddToTrail(com.jogamp.opengl.impl.glu.tessellator.GLUface f, com.jogamp.opengl.impl.glu.tessellator.GLUface t) { + f.trail = t; + f.marked = true; + return f; + } + + private static void FreeTrail(com.jogamp.opengl.impl.glu.tessellator.GLUface t) { + if (true) { + while (t != null) { + t.marked = false; + t = t.trail; + } + } else { + /* absorb trailing semicolon */ + } + } + + static FaceCount MaximumFan(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrig) { + /* eOrig.Lface is the face we want to render. We want to find the size + * of a maximal fan around eOrig.Org. To do this we just walk around + * the origin vertex as far as possible in both directions. + */ + FaceCount newFace = new FaceCount(0, null, renderFan); + com.jogamp.opengl.impl.glu.tessellator.GLUface trail = null; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + + for (e = eOrig; !Marked(e.Lface); e = e.Onext) { + trail = AddToTrail(e.Lface, trail); + ++newFace.size; + } + for (e = eOrig; !Marked(e.Sym.Lface); e = e.Sym.Lnext) { + trail = AddToTrail(e.Sym.Lface, trail); + ++newFace.size; + } + newFace.eStart = e; + /*LINTED*/ + FreeTrail(trail); + return newFace; + } + + + private static boolean IsEven(long n) { + return (n & 0x1L) == 0; + } + + static FaceCount MaximumStrip(com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge eOrig) { + /* Here we are looking for a maximal strip that contains the vertices + * eOrig.Org, eOrig.Dst, eOrig.Lnext.Dst (in that order or the + * reverse, such that all triangles are oriented CCW). + * + * Again we walk forward and backward as far as possible. However for + * strips there is a twist: to get CCW orientations, there must be + * an *even* number of triangles in the strip on one side of eOrig. + * We walk the strip starting on a side with an even number of triangles; + * if both side have an odd number, we are forced to shorten one side. + */ + FaceCount newFace = new FaceCount(0, null, renderStrip); + long headSize = 0, tailSize = 0; + com.jogamp.opengl.impl.glu.tessellator.GLUface trail = null; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, eTail, eHead; + + for (e = eOrig; !Marked(e.Lface); ++tailSize, e = e.Onext) { + trail = AddToTrail(e.Lface, trail); + ++tailSize; + e = e.Lnext.Sym; + if (Marked(e.Lface)) break; + trail = AddToTrail(e.Lface, trail); + } + eTail = e; + + for (e = eOrig; !Marked(e.Sym.Lface); ++headSize, e = e.Sym.Onext.Sym) { + trail = AddToTrail(e.Sym.Lface, trail); + ++headSize; + e = e.Sym.Lnext; + if (Marked(e.Sym.Lface)) break; + trail = AddToTrail(e.Sym.Lface, trail); + } + eHead = e; + + newFace.size = tailSize + headSize; + if (IsEven(tailSize)) { + newFace.eStart = eTail.Sym; + } else if (IsEven(headSize)) { + newFace.eStart = eHead; + } else { + /* Both sides have odd length, we must shorten one of them. In fact, + * we must start from eHead to guarantee inclusion of eOrig.Lface. + */ + --newFace.size; + newFace.eStart = eHead.Onext; + } + /*LINTED*/ + FreeTrail(trail); + return newFace; + } + + private static class RenderTriangle implements renderCallBack { + public void render(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, long size) { + /* Just add the triangle to a triangle list, so we can render all + * the separate triangles at once. + */ + assert (size == 1); + tess.lonelyTriList = AddToTrail(e.Lface, tess.lonelyTriList); + } + } + + + static void RenderLonelyTriangles(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUface f) { + /* Now we render all the separate triangles which could not be + * grouped into a triangle fan or strip. + */ + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + int newState; + int edgeState = -1; /* force edge state output for first vertex */ + + tess.callBeginOrBeginData(GL.GL_TRIANGLES); + + for (; f != null; f = f.trail) { + /* Loop once for each edge (there will always be 3 edges) */ + + e = f.anEdge; + do { + if (tess.flagBoundary) { + /* Set the "edge state" to true just before we output the + * first vertex of each edge on the polygon boundary. + */ + newState = (!e.Sym.Lface.inside) ? 1 : 0; + if (edgeState != newState) { + edgeState = newState; + tess.callEdgeFlagOrEdgeFlagData( edgeState != 0); + } + } + tess.callVertexOrVertexData( e.Org.data); + + e = e.Lnext; + } while (e != f.anEdge); + } + tess.callEndOrEndData(); + } + + private static class RenderFan implements renderCallBack { + public void render(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, long size) { + /* Render as many CCW triangles as possible in a fan starting from + * edge "e". The fan *should* contain exactly "size" triangles + * (otherwise we've goofed up somewhere). + */ + tess.callBeginOrBeginData( GL.GL_TRIANGLE_FAN); + tess.callVertexOrVertexData( e.Org.data); + tess.callVertexOrVertexData( e.Sym.Org.data); + + while (!Marked(e.Lface)) { + e.Lface.marked = true; + --size; + e = e.Onext; + tess.callVertexOrVertexData( e.Sym.Org.data); + } + + assert (size == 0); + tess.callEndOrEndData(); + } + } + + private static class RenderStrip implements renderCallBack { + public void render(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e, long size) { + /* Render as many CCW triangles as possible in a strip starting from + * edge "e". The strip *should* contain exactly "size" triangles + * (otherwise we've goofed up somewhere). + */ + tess.callBeginOrBeginData( GL.GL_TRIANGLE_STRIP); + tess.callVertexOrVertexData( e.Org.data); + tess.callVertexOrVertexData( e.Sym.Org.data); + + while (!Marked(e.Lface)) { + e.Lface.marked = true; + --size; + e = e.Lnext.Sym; + tess.callVertexOrVertexData( e.Org.data); + if (Marked(e.Lface)) break; + + e.Lface.marked = true; + --size; + e = e.Onext; + tess.callVertexOrVertexData( e.Sym.Org.data); + } + + assert (size == 0); + tess.callEndOrEndData(); + } + } + + /************************ Boundary contour decomposition ******************/ + +/* __gl_renderBoundary( tess, mesh ) takes a mesh, and outputs one + * contour for each face marked "inside". The rendering output is + * provided as callbacks (see the api). + */ + public static void __gl_renderBoundary(GLUtessellatorImpl tess, com.jogamp.opengl.impl.glu.tessellator.GLUmesh mesh) { + com.jogamp.opengl.impl.glu.tessellator.GLUface f; + com.jogamp.opengl.impl.glu.tessellator.GLUhalfEdge e; + + for (f = mesh.fHead.next; f != mesh.fHead; f = f.next) { + if (f.inside) { + tess.callBeginOrBeginData( GL.GL_LINE_LOOP); + e = f.anEdge; + do { + tess.callVertexOrVertexData( e.Org.data); + e = e.Lnext; + } while (e != f.anEdge); + tess.callEndOrEndData(); + } + } + } + + + /************************ Quick-and-dirty decomposition ******************/ + + private static final int SIGN_INCONSISTENT = 2; + + static int ComputeNormal(GLUtessellatorImpl tess, double[] norm, boolean check) +/* + * If check==false, we compute the polygon normal and place it in norm[]. + * If check==true, we check that each triangle in the fan from v0 has a + * consistent orientation with respect to norm[]. If triangles are + * consistently oriented CCW, return 1; if CW, return -1; if all triangles + * are degenerate return 0; otherwise (no consistent orientation) return + * SIGN_INCONSISTENT. + */ { + com.jogamp.opengl.impl.glu.tessellator.CachedVertex[] v = tess.cache; +// CachedVertex vn = v0 + tess.cacheCount; + int vn = tess.cacheCount; +// CachedVertex vc; + int vc; + double dot, xc, yc, zc, xp, yp, zp; + double[] n = new double[3]; + int sign = 0; + + /* Find the polygon normal. It is important to get a reasonable + * normal even when the polygon is self-intersecting (eg. a bowtie). + * Otherwise, the computed normal could be very tiny, but perpendicular + * to the true plane of the polygon due to numerical noise. Then all + * the triangles would appear to be degenerate and we would incorrectly + * decompose the polygon as a fan (or simply not render it at all). + * + * We use a sum-of-triangles normal algorithm rather than the more + * efficient sum-of-trapezoids method (used in CheckOrientation() + * in normal.c). This lets us explicitly reverse the signed area + * of some triangles to get a reasonable normal in the self-intersecting + * case. + */ + if (!check) { + norm[0] = norm[1] = norm[2] = 0.0; + } + + vc = 1; + xc = v[vc].coords[0] - v[0].coords[0]; + yc = v[vc].coords[1] - v[0].coords[1]; + zc = v[vc].coords[2] - v[0].coords[2]; + while (++vc < vn) { + xp = xc; + yp = yc; + zp = zc; + xc = v[vc].coords[0] - v[0].coords[0]; + yc = v[vc].coords[1] - v[0].coords[1]; + zc = v[vc].coords[2] - v[0].coords[2]; + + /* Compute (vp - v0) cross (vc - v0) */ + n[0] = yp * zc - zp * yc; + n[1] = zp * xc - xp * zc; + n[2] = xp * yc - yp * xc; + + dot = n[0] * norm[0] + n[1] * norm[1] + n[2] * norm[2]; + if (!check) { + /* Reverse the contribution of back-facing triangles to get + * a reasonable normal for self-intersecting polygons (see above) + */ + if (dot >= 0) { + norm[0] += n[0]; + norm[1] += n[1]; + norm[2] += n[2]; + } else { + norm[0] -= n[0]; + norm[1] -= n[1]; + norm[2] -= n[2]; + } + } else if (dot != 0) { + /* Check the new orientation for consistency with previous triangles */ + if (dot > 0) { + if (sign < 0) return SIGN_INCONSISTENT; + sign = 1; + } else { + if (sign > 0) return SIGN_INCONSISTENT; + sign = -1; + } + } + } + return sign; + } + +/* __gl_renderCache( tess ) takes a single contour and tries to render it + * as a triangle fan. This handles convex polygons, as well as some + * non-convex polygons if we get lucky. + * + * Returns true if the polygon was successfully rendered. The rendering + * output is provided as callbacks (see the api). + */ + public static boolean __gl_renderCache(GLUtessellatorImpl tess) { + com.jogamp.opengl.impl.glu.tessellator.CachedVertex[] v = tess.cache; +// CachedVertex vn = v0 + tess.cacheCount; + int vn = tess.cacheCount; +// CachedVertex vc; + int vc; + double[] norm = new double[3]; + int sign; + + if (tess.cacheCount < 3) { + /* Degenerate contour -- no output */ + return true; + } + + norm[0] = tess.normal[0]; + norm[1] = tess.normal[1]; + norm[2] = tess.normal[2]; + if (norm[0] == 0 && norm[1] == 0 && norm[2] == 0) { + ComputeNormal( tess, norm, false); + } + + sign = ComputeNormal( tess, norm, true); + if (sign == SIGN_INCONSISTENT) { + /* Fan triangles did not have a consistent orientation */ + return false; + } + if (sign == 0) { + /* All triangles were degenerate */ + return true; + } + + if ( !USE_OPTIMIZED_CODE_PATH ) { + return false; + } else { + /* Make sure we do the right thing for each winding rule */ + switch (tess.windingRule) { + case GLU.GLU_TESS_WINDING_ODD: + case GLU.GLU_TESS_WINDING_NONZERO: + break; + case GLU.GLU_TESS_WINDING_POSITIVE: + if (sign < 0) return true; + break; + case GLU.GLU_TESS_WINDING_NEGATIVE: + if (sign > 0) return true; + break; + case GLU.GLU_TESS_WINDING_ABS_GEQ_TWO: + return true; + } + + tess.callBeginOrBeginData( tess.boundaryOnly ? GL.GL_LINE_LOOP + : (tess.cacheCount > 3) ? GL.GL_TRIANGLE_FAN + : GL.GL_TRIANGLES); + + tess.callVertexOrVertexData( v[0].data); + if (sign > 0) { + for (vc = 1; vc < vn; ++vc) { + tess.callVertexOrVertexData( v[vc].data); + } + } else { + for (vc = vn - 1; vc > 0; --vc) { + tess.callVertexOrVertexData( v[vc].data); + } + } + tess.callEndOrEndData(); + return true; + } + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Sweep.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Sweep.java new file mode 100644 index 000000000..8ffeadb67 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/Sweep.java @@ -0,0 +1,1353 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +import javax.media.opengl.*; +import javax.media.opengl.glu.*; + +class Sweep { + private Sweep() { + } + +// #ifdef FOR_TRITE_TEST_PROGRAM +// extern void DebugEvent( GLUtessellator *tess ); +// #else + private static void DebugEvent(GLUtessellatorImpl tess) { + + } +// #endif + +/* + * Invariants for the Edge Dictionary. + * - each pair of adjacent edges e2=Succ(e1) satisfies EdgeLeq(e1,e2) + * at any valid location of the sweep event + * - if EdgeLeq(e2,e1) as well (at any valid sweep event), then e1 and e2 + * share a common endpoint + * - for each e, e.Dst has been processed, but not e.Org + * - each edge e satisfies VertLeq(e.Dst,event) && VertLeq(event,e.Org) + * where "event" is the current sweep line event. + * - no edge e has zero length + * + * Invariants for the Mesh (the processed portion). + * - the portion of the mesh left of the sweep line is a planar graph, + * ie. there is *some* way to embed it in the plane + * - no processed edge has zero length + * - no two processed vertices have identical coordinates + * - each "inside" region is monotone, ie. can be broken into two chains + * of monotonically increasing vertices according to VertLeq(v1,v2) + * - a non-invariant: these chains may intersect (very slightly) + * + * Invariants for the Sweep. + * - if none of the edges incident to the event vertex have an activeRegion + * (ie. none of these edges are in the edge dictionary), then the vertex + * has only right-going edges. + * - if an edge is marked "fixUpperEdge" (it is a temporary edge introduced + * by ConnectRightVertex), then it is the only right-going edge from + * its associated vertex. (This says that these edges exist only + * when it is necessary.) + */ + +/* When we merge two edges into one, we need to compute the combined + * winding of the new edge. + */ + private static void AddWinding(GLUhalfEdge eDst, GLUhalfEdge eSrc) { + eDst.winding += eSrc.winding; + eDst.Sym.winding += eSrc.Sym.winding; + } + + + private static ActiveRegion RegionBelow(ActiveRegion r) { + return ((ActiveRegion) Dict.dictKey(Dict.dictPred(r.nodeUp))); + } + + private static ActiveRegion RegionAbove(ActiveRegion r) { + return ((ActiveRegion) Dict.dictKey(Dict.dictSucc(r.nodeUp))); + } + + static boolean EdgeLeq(GLUtessellatorImpl tess, ActiveRegion reg1, ActiveRegion reg2) +/* + * Both edges must be directed from right to left (this is the canonical + * direction for the upper edge of each region). + * + * The strategy is to evaluate a "t" value for each edge at the + * current sweep line position, given by tess.event. The calculations + * are designed to be very stable, but of course they are not perfect. + * + * Special case: if both edge destinations are at the sweep event, + * we sort the edges by slope (they would otherwise compare equally). + */ { + GLUvertex event = tess.event; + GLUhalfEdge e1, e2; + double t1, t2; + + e1 = reg1.eUp; + e2 = reg2.eUp; + + if (e1.Sym.Org == event) { + if (e2.Sym.Org == event) { + /* Two edges right of the sweep line which meet at the sweep event. + * Sort them by slope. + */ + if (Geom.VertLeq(e1.Org, e2.Org)) { + return Geom.EdgeSign(e2.Sym.Org, e1.Org, e2.Org) <= 0; + } + return Geom.EdgeSign(e1.Sym.Org, e2.Org, e1.Org) >= 0; + } + return Geom.EdgeSign(e2.Sym.Org, event, e2.Org) <= 0; + } + if (e2.Sym.Org == event) { + return Geom.EdgeSign(e1.Sym.Org, event, e1.Org) >= 0; + } + + /* General case - compute signed distance *from* e1, e2 to event */ + t1 = Geom.EdgeEval(e1.Sym.Org, event, e1.Org); + t2 = Geom.EdgeEval(e2.Sym.Org, event, e2.Org); + return (t1 >= t2); + } + + + static void DeleteRegion(GLUtessellatorImpl tess, ActiveRegion reg) { + if (reg.fixUpperEdge) { + /* It was created with zero winding number, so it better be + * deleted with zero winding number (ie. it better not get merged + * with a real edge). + */ + assert (reg.eUp.winding == 0); + } + reg.eUp.activeRegion = null; + Dict.dictDelete(tess.dict, reg.nodeUp); /* __gl_dictListDelete */ + } + + + static boolean FixUpperEdge(ActiveRegion reg, GLUhalfEdge newEdge) +/* + * Replace an upper edge which needs fixing (see ConnectRightVertex). + */ { + assert (reg.fixUpperEdge); + if (!Mesh.__gl_meshDelete(reg.eUp)) return false; + reg.fixUpperEdge = false; + reg.eUp = newEdge; + newEdge.activeRegion = reg; + + return true; + } + + static ActiveRegion TopLeftRegion(ActiveRegion reg) { + GLUvertex org = reg.eUp.Org; + GLUhalfEdge e; + + /* Find the region above the uppermost edge with the same origin */ + do { + reg = RegionAbove(reg); + } while (reg.eUp.Org == org); + + /* If the edge above was a temporary edge introduced by ConnectRightVertex, + * now is the time to fix it. + */ + if (reg.fixUpperEdge) { + e = Mesh.__gl_meshConnect(RegionBelow(reg).eUp.Sym, reg.eUp.Lnext); + if (e == null) return null; + if (!FixUpperEdge(reg, e)) return null; + reg = RegionAbove(reg); + } + return reg; + } + + static ActiveRegion TopRightRegion(ActiveRegion reg) { + GLUvertex dst = reg.eUp.Sym.Org; + + /* Find the region above the uppermost edge with the same destination */ + do { + reg = RegionAbove(reg); + } while (reg.eUp.Sym.Org == dst); + return reg; + } + + static ActiveRegion AddRegionBelow(GLUtessellatorImpl tess, + ActiveRegion regAbove, + GLUhalfEdge eNewUp) +/* + * Add a new active region to the sweep line, *somewhere* below "regAbove" + * (according to where the new edge belongs in the sweep-line dictionary). + * The upper edge of the new region will be "eNewUp". + * Winding number and "inside" flag are not updated. + */ { + ActiveRegion regNew = new ActiveRegion(); + if (regNew == null) throw new RuntimeException(); + + regNew.eUp = eNewUp; + /* __gl_dictListInsertBefore */ + regNew.nodeUp = Dict.dictInsertBefore(tess.dict, regAbove.nodeUp, regNew); + if (regNew.nodeUp == null) throw new RuntimeException(); + regNew.fixUpperEdge = false; + regNew.sentinel = false; + regNew.dirty = false; + + eNewUp.activeRegion = regNew; + return regNew; + } + + static boolean IsWindingInside(GLUtessellatorImpl tess, int n) { + switch (tess.windingRule) { + case GLU.GLU_TESS_WINDING_ODD: + return (n & 1) != 0; + case GLU.GLU_TESS_WINDING_NONZERO: + return (n != 0); + case GLU.GLU_TESS_WINDING_POSITIVE: + return (n > 0); + case GLU.GLU_TESS_WINDING_NEGATIVE: + return (n < 0); + case GLU.GLU_TESS_WINDING_ABS_GEQ_TWO: + return (n >= 2) || (n <= -2); + } + /*LINTED*/ +// assert (false); + throw new InternalError(); + /*NOTREACHED*/ + } + + + static void ComputeWinding(GLUtessellatorImpl tess, ActiveRegion reg) { + reg.windingNumber = RegionAbove(reg).windingNumber + reg.eUp.winding; + reg.inside = IsWindingInside(tess, reg.windingNumber); + } + + + static void FinishRegion(GLUtessellatorImpl tess, ActiveRegion reg) +/* + * Delete a region from the sweep line. This happens when the upper + * and lower chains of a region meet (at a vertex on the sweep line). + * The "inside" flag is copied to the appropriate mesh face (we could + * not do this before -- since the structure of the mesh is always + * changing, this face may not have even existed until now). + */ { + GLUhalfEdge e = reg.eUp; + GLUface f = e.Lface; + + f.inside = reg.inside; + f.anEdge = e; /* optimization for __gl_meshTessellateMonoRegion() */ + DeleteRegion(tess, reg); + } + + + static GLUhalfEdge FinishLeftRegions(GLUtessellatorImpl tess, + ActiveRegion regFirst, ActiveRegion regLast) +/* + * We are given a vertex with one or more left-going edges. All affected + * edges should be in the edge dictionary. Starting at regFirst.eUp, + * we walk down deleting all regions where both edges have the same + * origin vOrg. At the same time we copy the "inside" flag from the + * active region to the face, since at this point each face will belong + * to at most one region (this was not necessarily true until this point + * in the sweep). The walk stops at the region above regLast; if regLast + * is null we walk as far as possible. At the same time we relink the + * mesh if necessary, so that the ordering of edges around vOrg is the + * same as in the dictionary. + */ { + ActiveRegion reg, regPrev; + GLUhalfEdge e, ePrev; + + regPrev = regFirst; + ePrev = regFirst.eUp; + while (regPrev != regLast) { + regPrev.fixUpperEdge = false; /* placement was OK */ + reg = RegionBelow(regPrev); + e = reg.eUp; + if (e.Org != ePrev.Org) { + if (!reg.fixUpperEdge) { + /* Remove the last left-going edge. Even though there are no further + * edges in the dictionary with this origin, there may be further + * such edges in the mesh (if we are adding left edges to a vertex + * that has already been processed). Thus it is important to call + * FinishRegion rather than just DeleteRegion. + */ + FinishRegion(tess, regPrev); + break; + } + /* If the edge below was a temporary edge introduced by + * ConnectRightVertex, now is the time to fix it. + */ + e = Mesh.__gl_meshConnect(ePrev.Onext.Sym, e.Sym); + if (e == null) throw new RuntimeException(); + if (!FixUpperEdge(reg, e)) throw new RuntimeException(); + } + + /* Relink edges so that ePrev.Onext == e */ + if (ePrev.Onext != e) { + if (!Mesh.__gl_meshSplice(e.Sym.Lnext, e)) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(ePrev, e)) throw new RuntimeException(); + } + FinishRegion(tess, regPrev); /* may change reg.eUp */ + ePrev = reg.eUp; + regPrev = reg; + } + return ePrev; + } + + + static void AddRightEdges(GLUtessellatorImpl tess, ActiveRegion regUp, + GLUhalfEdge eFirst, GLUhalfEdge eLast, GLUhalfEdge eTopLeft, + boolean cleanUp) +/* + * Purpose: insert right-going edges into the edge dictionary, and update + * winding numbers and mesh connectivity appropriately. All right-going + * edges share a common origin vOrg. Edges are inserted CCW starting at + * eFirst; the last edge inserted is eLast.Sym.Lnext. If vOrg has any + * left-going edges already processed, then eTopLeft must be the edge + * such that an imaginary upward vertical segment from vOrg would be + * contained between eTopLeft.Sym.Lnext and eTopLeft; otherwise eTopLeft + * should be null. + */ { + ActiveRegion reg, regPrev; + GLUhalfEdge e, ePrev; + boolean firstTime = true; + + /* Insert the new right-going edges in the dictionary */ + e = eFirst; + do { + assert (Geom.VertLeq(e.Org, e.Sym.Org)); + AddRegionBelow(tess, regUp, e.Sym); + e = e.Onext; + } while (e != eLast); + + /* Walk *all* right-going edges from e.Org, in the dictionary order, + * updating the winding numbers of each region, and re-linking the mesh + * edges to match the dictionary ordering (if necessary). + */ + if (eTopLeft == null) { + eTopLeft = RegionBelow(regUp).eUp.Sym.Onext; + } + regPrev = regUp; + ePrev = eTopLeft; + for (; ;) { + reg = RegionBelow(regPrev); + e = reg.eUp.Sym; + if (e.Org != ePrev.Org) break; + + if (e.Onext != ePrev) { + /* Unlink e from its current position, and relink below ePrev */ + if (!Mesh.__gl_meshSplice(e.Sym.Lnext, e)) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(ePrev.Sym.Lnext, e)) throw new RuntimeException(); + } + /* Compute the winding number and "inside" flag for the new regions */ + reg.windingNumber = regPrev.windingNumber - e.winding; + reg.inside = IsWindingInside(tess, reg.windingNumber); + + /* Check for two outgoing edges with same slope -- process these + * before any intersection tests (see example in __gl_computeInterior). + */ + regPrev.dirty = true; + if (!firstTime && CheckForRightSplice(tess, regPrev)) { + AddWinding(e, ePrev); + DeleteRegion(tess, regPrev); + if (!Mesh.__gl_meshDelete(ePrev)) throw new RuntimeException(); + } + firstTime = false; + regPrev = reg; + ePrev = e; + } + regPrev.dirty = true; + assert (regPrev.windingNumber - e.winding == reg.windingNumber); + + if (cleanUp) { + /* Check for intersections between newly adjacent edges. */ + WalkDirtyRegions(tess, regPrev); + } + } + + + static void CallCombine(GLUtessellatorImpl tess, GLUvertex isect, + Object[] data, float[] weights, boolean needed) { + double[] coords = new double[3]; + + /* Copy coord data in case the callback changes it. */ + coords[0] = isect.coords[0]; + coords[1] = isect.coords[1]; + coords[2] = isect.coords[2]; + + Object[] outData = new Object[1]; + tess.callCombineOrCombineData(coords, data, weights, outData); + isect.data = outData[0]; + if (isect.data == null) { + if (!needed) { + isect.data = data[0]; + } else if (!tess.fatalError) { + /* The only way fatal error is when two edges are found to intersect, + * but the user has not provided the callback necessary to handle + * generated intersection points. + */ + tess.callErrorOrErrorData(GLU.GLU_TESS_NEED_COMBINE_CALLBACK); + tess.fatalError = true; + } + } + } + + static void SpliceMergeVertices(GLUtessellatorImpl tess, GLUhalfEdge e1, + GLUhalfEdge e2) +/* + * Two vertices with idential coordinates are combined into one. + * e1.Org is kept, while e2.Org is discarded. + */ { + Object[] data = new Object[4]; + float[] weights = new float[]{0.5f, 0.5f, 0.0f, 0.0f}; + + data[0] = e1.Org.data; + data[1] = e2.Org.data; + CallCombine(tess, e1.Org, data, weights, false); + if (!Mesh.__gl_meshSplice(e1, e2)) throw new RuntimeException(); + } + + static void VertexWeights(GLUvertex isect, GLUvertex org, GLUvertex dst, + float[] weights) +/* + * Find some weights which describe how the intersection vertex is + * a linear combination of "org" and "dest". Each of the two edges + * which generated "isect" is allocated 50% of the weight; each edge + * splits the weight between its org and dst according to the + * relative distance to "isect". + */ { + double t1 = Geom.VertL1dist(org, isect); + double t2 = Geom.VertL1dist(dst, isect); + + weights[0] = (float) (0.5 * t2 / (t1 + t2)); + weights[1] = (float) (0.5 * t1 / (t1 + t2)); + isect.coords[0] += weights[0] * org.coords[0] + weights[1] * dst.coords[0]; + isect.coords[1] += weights[0] * org.coords[1] + weights[1] * dst.coords[1]; + isect.coords[2] += weights[0] * org.coords[2] + weights[1] * dst.coords[2]; + } + + + static void GetIntersectData(GLUtessellatorImpl tess, GLUvertex isect, + GLUvertex orgUp, GLUvertex dstUp, + GLUvertex orgLo, GLUvertex dstLo) +/* + * We've computed a new intersection point, now we need a "data" pointer + * from the user so that we can refer to this new vertex in the + * rendering callbacks. + */ { + Object[] data = new Object[4]; + float[] weights = new float[4]; + float[] weights1 = new float[2]; + float[] weights2 = new float[2]; + + data[0] = orgUp.data; + data[1] = dstUp.data; + data[2] = orgLo.data; + data[3] = dstLo.data; + + isect.coords[0] = isect.coords[1] = isect.coords[2] = 0; + VertexWeights(isect, orgUp, dstUp, weights1); + VertexWeights(isect, orgLo, dstLo, weights2); + System.arraycopy(weights1, 0, weights, 0, 2); + System.arraycopy(weights2, 0, weights, 2, 2); + + CallCombine(tess, isect, data, weights, true); + } + + static boolean CheckForRightSplice(GLUtessellatorImpl tess, ActiveRegion regUp) +/* + * Check the upper and lower edge of "regUp", to make sure that the + * eUp.Org is above eLo, or eLo.Org is below eUp (depending on which + * origin is leftmost). + * + * The main purpose is to splice right-going edges with the same + * dest vertex and nearly identical slopes (ie. we can't distinguish + * the slopes numerically). However the splicing can also help us + * to recover from numerical errors. For example, suppose at one + * point we checked eUp and eLo, and decided that eUp.Org is barely + * above eLo. Then later, we split eLo into two edges (eg. from + * a splice operation like this one). This can change the result of + * our test so that now eUp.Org is incident to eLo, or barely below it. + * We must correct this condition to maintain the dictionary invariants. + * + * One possibility is to check these edges for intersection again + * (ie. CheckForIntersect). This is what we do if possible. However + * CheckForIntersect requires that tess.event lies between eUp and eLo, + * so that it has something to fall back on when the intersection + * calculation gives us an unusable answer. So, for those cases where + * we can't check for intersection, this routine fixes the problem + * by just splicing the offending vertex into the other edge. + * This is a guaranteed solution, no matter how degenerate things get. + * Basically this is a combinatorial solution to a numerical problem. + */ { + ActiveRegion regLo = RegionBelow(regUp); + GLUhalfEdge eUp = regUp.eUp; + GLUhalfEdge eLo = regLo.eUp; + + if (Geom.VertLeq(eUp.Org, eLo.Org)) { + if (Geom.EdgeSign(eLo.Sym.Org, eUp.Org, eLo.Org) > 0) return false; + + /* eUp.Org appears to be below eLo */ + if (!Geom.VertEq(eUp.Org, eLo.Org)) { + /* Splice eUp.Org into eLo */ + if (Mesh.__gl_meshSplitEdge(eLo.Sym) == null) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(eUp, eLo.Sym.Lnext)) throw new RuntimeException(); + regUp.dirty = regLo.dirty = true; + + } else if (eUp.Org != eLo.Org) { + /* merge the two vertices, discarding eUp.Org */ + tess.pq.pqDelete(eUp.Org.pqHandle); /* __gl_pqSortDelete */ + SpliceMergeVertices(tess, eLo.Sym.Lnext, eUp); + } + } else { + if (Geom.EdgeSign(eUp.Sym.Org, eLo.Org, eUp.Org) < 0) return false; + + /* eLo.Org appears to be above eUp, so splice eLo.Org into eUp */ + RegionAbove(regUp).dirty = regUp.dirty = true; + if (Mesh.__gl_meshSplitEdge(eUp.Sym) == null) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(eLo.Sym.Lnext, eUp)) throw new RuntimeException(); + } + return true; + } + + static boolean CheckForLeftSplice(GLUtessellatorImpl tess, ActiveRegion regUp) +/* + * Check the upper and lower edge of "regUp", to make sure that the + * eUp.Sym.Org is above eLo, or eLo.Sym.Org is below eUp (depending on which + * destination is rightmost). + * + * Theoretically, this should always be true. However, splitting an edge + * into two pieces can change the results of previous tests. For example, + * suppose at one point we checked eUp and eLo, and decided that eUp.Sym.Org + * is barely above eLo. Then later, we split eLo into two edges (eg. from + * a splice operation like this one). This can change the result of + * the test so that now eUp.Sym.Org is incident to eLo, or barely below it. + * We must correct this condition to maintain the dictionary invariants + * (otherwise new edges might get inserted in the wrong place in the + * dictionary, and bad stuff will happen). + * + * We fix the problem by just splicing the offending vertex into the + * other edge. + */ { + ActiveRegion regLo = RegionBelow(regUp); + GLUhalfEdge eUp = regUp.eUp; + GLUhalfEdge eLo = regLo.eUp; + GLUhalfEdge e; + + assert (!Geom.VertEq(eUp.Sym.Org, eLo.Sym.Org)); + + if (Geom.VertLeq(eUp.Sym.Org, eLo.Sym.Org)) { + if (Geom.EdgeSign(eUp.Sym.Org, eLo.Sym.Org, eUp.Org) < 0) return false; + + /* eLo.Sym.Org is above eUp, so splice eLo.Sym.Org into eUp */ + RegionAbove(regUp).dirty = regUp.dirty = true; + e = Mesh.__gl_meshSplitEdge(eUp); + if (e == null) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(eLo.Sym, e)) throw new RuntimeException(); + e.Lface.inside = regUp.inside; + } else { + if (Geom.EdgeSign(eLo.Sym.Org, eUp.Sym.Org, eLo.Org) > 0) return false; + + /* eUp.Sym.Org is below eLo, so splice eUp.Sym.Org into eLo */ + regUp.dirty = regLo.dirty = true; + e = Mesh.__gl_meshSplitEdge(eLo); + if (e == null) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(eUp.Lnext, eLo.Sym)) throw new RuntimeException(); + e.Sym.Lface.inside = regUp.inside; + } + return true; + } + + + static boolean CheckForIntersect(GLUtessellatorImpl tess, ActiveRegion regUp) +/* + * Check the upper and lower edges of the given region to see if + * they intersect. If so, create the intersection and add it + * to the data structures. + * + * Returns true if adding the new intersection resulted in a recursive + * call to AddRightEdges(); in this case all "dirty" regions have been + * checked for intersections, and possibly regUp has been deleted. + */ { + ActiveRegion regLo = RegionBelow(regUp); + GLUhalfEdge eUp = regUp.eUp; + GLUhalfEdge eLo = regLo.eUp; + GLUvertex orgUp = eUp.Org; + GLUvertex orgLo = eLo.Org; + GLUvertex dstUp = eUp.Sym.Org; + GLUvertex dstLo = eLo.Sym.Org; + double tMinUp, tMaxLo; + GLUvertex isect = new GLUvertex(); + GLUvertex orgMin; + GLUhalfEdge e; + + assert (!Geom.VertEq(dstLo, dstUp)); + assert (Geom.EdgeSign(dstUp, tess.event, orgUp) <= 0); + assert (Geom.EdgeSign(dstLo, tess.event, orgLo) >= 0); + assert (orgUp != tess.event && orgLo != tess.event); + assert (!regUp.fixUpperEdge && !regLo.fixUpperEdge); + + if (orgUp == orgLo) return false; /* right endpoints are the same */ + + tMinUp = Math.min(orgUp.t, dstUp.t); + tMaxLo = Math.max(orgLo.t, dstLo.t); + if (tMinUp > tMaxLo) return false; /* t ranges do not overlap */ + + if (Geom.VertLeq(orgUp, orgLo)) { + if (Geom.EdgeSign(dstLo, orgUp, orgLo) > 0) return false; + } else { + if (Geom.EdgeSign(dstUp, orgLo, orgUp) < 0) return false; + } + + /* At this point the edges intersect, at least marginally */ + DebugEvent(tess); + + Geom.EdgeIntersect(dstUp, orgUp, dstLo, orgLo, isect); + /* The following properties are guaranteed: */ + assert (Math.min(orgUp.t, dstUp.t) <= isect.t); + assert (isect.t <= Math.max(orgLo.t, dstLo.t)); + assert (Math.min(dstLo.s, dstUp.s) <= isect.s); + assert (isect.s <= Math.max(orgLo.s, orgUp.s)); + + if (Geom.VertLeq(isect, tess.event)) { + /* The intersection point lies slightly to the left of the sweep line, + * so move it until it''s slightly to the right of the sweep line. + * (If we had perfect numerical precision, this would never happen + * in the first place). The easiest and safest thing to do is + * replace the intersection by tess.event. + */ + isect.s = tess.event.s; + isect.t = tess.event.t; + } + /* Similarly, if the computed intersection lies to the right of the + * rightmost origin (which should rarely happen), it can cause + * unbelievable inefficiency on sufficiently degenerate inputs. + * (If you have the test program, try running test54.d with the + * "X zoom" option turned on). + */ + orgMin = Geom.VertLeq(orgUp, orgLo) ? orgUp : orgLo; + if (Geom.VertLeq(orgMin, isect)) { + isect.s = orgMin.s; + isect.t = orgMin.t; + } + + if (Geom.VertEq(isect, orgUp) || Geom.VertEq(isect, orgLo)) { + /* Easy case -- intersection at one of the right endpoints */ + CheckForRightSplice(tess, regUp); + return false; + } + + if ((!Geom.VertEq(dstUp, tess.event) + && Geom.EdgeSign(dstUp, tess.event, isect) >= 0) + || (!Geom.VertEq(dstLo, tess.event) + && Geom.EdgeSign(dstLo, tess.event, isect) <= 0)) { + /* Very unusual -- the new upper or lower edge would pass on the + * wrong side of the sweep event, or through it. This can happen + * due to very small numerical errors in the intersection calculation. + */ + if (dstLo == tess.event) { + /* Splice dstLo into eUp, and process the new region(s) */ + if (Mesh.__gl_meshSplitEdge(eUp.Sym) == null) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(eLo.Sym, eUp)) throw new RuntimeException(); + regUp = TopLeftRegion(regUp); + if (regUp == null) throw new RuntimeException(); + eUp = RegionBelow(regUp).eUp; + FinishLeftRegions(tess, RegionBelow(regUp), regLo); + AddRightEdges(tess, regUp, eUp.Sym.Lnext, eUp, eUp, true); + return true; + } + if (dstUp == tess.event) { + /* Splice dstUp into eLo, and process the new region(s) */ + if (Mesh.__gl_meshSplitEdge(eLo.Sym) == null) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(eUp.Lnext, eLo.Sym.Lnext)) throw new RuntimeException(); + regLo = regUp; + regUp = TopRightRegion(regUp); + e = RegionBelow(regUp).eUp.Sym.Onext; + regLo.eUp = eLo.Sym.Lnext; + eLo = FinishLeftRegions(tess, regLo, null); + AddRightEdges(tess, regUp, eLo.Onext, eUp.Sym.Onext, e, true); + return true; + } + /* Special case: called from ConnectRightVertex. If either + * edge passes on the wrong side of tess.event, split it + * (and wait for ConnectRightVertex to splice it appropriately). + */ + if (Geom.EdgeSign(dstUp, tess.event, isect) >= 0) { + RegionAbove(regUp).dirty = regUp.dirty = true; + if (Mesh.__gl_meshSplitEdge(eUp.Sym) == null) throw new RuntimeException(); + eUp.Org.s = tess.event.s; + eUp.Org.t = tess.event.t; + } + if (Geom.EdgeSign(dstLo, tess.event, isect) <= 0) { + regUp.dirty = regLo.dirty = true; + if (Mesh.__gl_meshSplitEdge(eLo.Sym) == null) throw new RuntimeException(); + eLo.Org.s = tess.event.s; + eLo.Org.t = tess.event.t; + } + /* leave the rest for ConnectRightVertex */ + return false; + } + + /* General case -- split both edges, splice into new vertex. + * When we do the splice operation, the order of the arguments is + * arbitrary as far as correctness goes. However, when the operation + * creates a new face, the work done is proportional to the size of + * the new face. We expect the faces in the processed part of + * the mesh (ie. eUp.Lface) to be smaller than the faces in the + * unprocessed original contours (which will be eLo.Sym.Lnext.Lface). + */ + if (Mesh.__gl_meshSplitEdge(eUp.Sym) == null) throw new RuntimeException(); + if (Mesh.__gl_meshSplitEdge(eLo.Sym) == null) throw new RuntimeException(); + if (!Mesh.__gl_meshSplice(eLo.Sym.Lnext, eUp)) throw new RuntimeException(); + eUp.Org.s = isect.s; + eUp.Org.t = isect.t; + eUp.Org.pqHandle = tess.pq.pqInsert(eUp.Org); /* __gl_pqSortInsert */ + if (eUp.Org.pqHandle == Long.MAX_VALUE) { + tess.pq.pqDeletePriorityQ(); /* __gl_pqSortDeletePriorityQ */ + tess.pq = null; + throw new RuntimeException(); + } + GetIntersectData(tess, eUp.Org, orgUp, dstUp, orgLo, dstLo); + RegionAbove(regUp).dirty = regUp.dirty = regLo.dirty = true; + return false; + } + + static void WalkDirtyRegions(GLUtessellatorImpl tess, ActiveRegion regUp) +/* + * When the upper or lower edge of any region changes, the region is + * marked "dirty". This routine walks through all the dirty regions + * and makes sure that the dictionary invariants are satisfied + * (see the comments at the beginning of this file). Of course + * new dirty regions can be created as we make changes to restore + * the invariants. + */ { + ActiveRegion regLo = RegionBelow(regUp); + GLUhalfEdge eUp, eLo; + + for (; ;) { + /* Find the lowest dirty region (we walk from the bottom up). */ + while (regLo.dirty) { + regUp = regLo; + regLo = RegionBelow(regLo); + } + if (!regUp.dirty) { + regLo = regUp; + regUp = RegionAbove(regUp); + if (regUp == null || !regUp.dirty) { + /* We've walked all the dirty regions */ + return; + } + } + regUp.dirty = false; + eUp = regUp.eUp; + eLo = regLo.eUp; + + if (eUp.Sym.Org != eLo.Sym.Org) { + /* Check that the edge ordering is obeyed at the Dst vertices. */ + if (CheckForLeftSplice(tess, regUp)) { + + /* If the upper or lower edge was marked fixUpperEdge, then + * we no longer need it (since these edges are needed only for + * vertices which otherwise have no right-going edges). + */ + if (regLo.fixUpperEdge) { + DeleteRegion(tess, regLo); + if (!Mesh.__gl_meshDelete(eLo)) throw new RuntimeException(); + regLo = RegionBelow(regUp); + eLo = regLo.eUp; + } else if (regUp.fixUpperEdge) { + DeleteRegion(tess, regUp); + if (!Mesh.__gl_meshDelete(eUp)) throw new RuntimeException(); + regUp = RegionAbove(regLo); + eUp = regUp.eUp; + } + } + } + if (eUp.Org != eLo.Org) { + if (eUp.Sym.Org != eLo.Sym.Org + && !regUp.fixUpperEdge && !regLo.fixUpperEdge + && (eUp.Sym.Org == tess.event || eLo.Sym.Org == tess.event)) { + /* When all else fails in CheckForIntersect(), it uses tess.event + * as the intersection location. To make this possible, it requires + * that tess.event lie between the upper and lower edges, and also + * that neither of these is marked fixUpperEdge (since in the worst + * case it might splice one of these edges into tess.event, and + * violate the invariant that fixable edges are the only right-going + * edge from their associated vertex). + */ + if (CheckForIntersect(tess, regUp)) { + /* WalkDirtyRegions() was called recursively; we're done */ + return; + } + } else { + /* Even though we can't use CheckForIntersect(), the Org vertices + * may violate the dictionary edge ordering. Check and correct this. + */ + CheckForRightSplice(tess, regUp); + } + } + if (eUp.Org == eLo.Org && eUp.Sym.Org == eLo.Sym.Org) { + /* A degenerate loop consisting of only two edges -- delete it. */ + AddWinding(eLo, eUp); + DeleteRegion(tess, regUp); + if (!Mesh.__gl_meshDelete(eUp)) throw new RuntimeException(); + regUp = RegionAbove(regLo); + } + } + } + + + static void ConnectRightVertex(GLUtessellatorImpl tess, ActiveRegion regUp, + GLUhalfEdge eBottomLeft) +/* + * Purpose: connect a "right" vertex vEvent (one where all edges go left) + * to the unprocessed portion of the mesh. Since there are no right-going + * edges, two regions (one above vEvent and one below) are being merged + * into one. "regUp" is the upper of these two regions. + * + * There are two reasons for doing this (adding a right-going edge): + * - if the two regions being merged are "inside", we must add an edge + * to keep them separated (the combined region would not be monotone). + * - in any case, we must leave some record of vEvent in the dictionary, + * so that we can merge vEvent with features that we have not seen yet. + * For example, maybe there is a vertical edge which passes just to + * the right of vEvent; we would like to splice vEvent into this edge. + * + * However, we don't want to connect vEvent to just any vertex. We don''t + * want the new edge to cross any other edges; otherwise we will create + * intersection vertices even when the input data had no self-intersections. + * (This is a bad thing; if the user's input data has no intersections, + * we don't want to generate any false intersections ourselves.) + * + * Our eventual goal is to connect vEvent to the leftmost unprocessed + * vertex of the combined region (the union of regUp and regLo). + * But because of unseen vertices with all right-going edges, and also + * new vertices which may be created by edge intersections, we don''t + * know where that leftmost unprocessed vertex is. In the meantime, we + * connect vEvent to the closest vertex of either chain, and mark the region + * as "fixUpperEdge". This flag says to delete and reconnect this edge + * to the next processed vertex on the boundary of the combined region. + * Quite possibly the vertex we connected to will turn out to be the + * closest one, in which case we won''t need to make any changes. + */ { + GLUhalfEdge eNew; + GLUhalfEdge eTopLeft = eBottomLeft.Onext; + ActiveRegion regLo = RegionBelow(regUp); + GLUhalfEdge eUp = regUp.eUp; + GLUhalfEdge eLo = regLo.eUp; + boolean degenerate = false; + + if (eUp.Sym.Org != eLo.Sym.Org) { + CheckForIntersect(tess, regUp); + } + + /* Possible new degeneracies: upper or lower edge of regUp may pass + * through vEvent, or may coincide with new intersection vertex + */ + if (Geom.VertEq(eUp.Org, tess.event)) { + if (!Mesh.__gl_meshSplice(eTopLeft.Sym.Lnext, eUp)) throw new RuntimeException(); + regUp = TopLeftRegion(regUp); + if (regUp == null) throw new RuntimeException(); + eTopLeft = RegionBelow(regUp).eUp; + FinishLeftRegions(tess, RegionBelow(regUp), regLo); + degenerate = true; + } + if (Geom.VertEq(eLo.Org, tess.event)) { + if (!Mesh.__gl_meshSplice(eBottomLeft, eLo.Sym.Lnext)) throw new RuntimeException(); + eBottomLeft = FinishLeftRegions(tess, regLo, null); + degenerate = true; + } + if (degenerate) { + AddRightEdges(tess, regUp, eBottomLeft.Onext, eTopLeft, eTopLeft, true); + return; + } + + /* Non-degenerate situation -- need to add a temporary, fixable edge. + * Connect to the closer of eLo.Org, eUp.Org. + */ + if (Geom.VertLeq(eLo.Org, eUp.Org)) { + eNew = eLo.Sym.Lnext; + } else { + eNew = eUp; + } + eNew = Mesh.__gl_meshConnect(eBottomLeft.Onext.Sym, eNew); + if (eNew == null) throw new RuntimeException(); + + /* Prevent cleanup, otherwise eNew might disappear before we've even + * had a chance to mark it as a temporary edge. + */ + AddRightEdges(tess, regUp, eNew, eNew.Onext, eNew.Onext, false); + eNew.Sym.activeRegion.fixUpperEdge = true; + WalkDirtyRegions(tess, regUp); + } + +/* Because vertices at exactly the same location are merged together + * before we process the sweep event, some degenerate cases can't occur. + * However if someone eventually makes the modifications required to + * merge features which are close together, the cases below marked + * TOLERANCE_NONZERO will be useful. They were debugged before the + * code to merge identical vertices in the main loop was added. + */ + private static final boolean TOLERANCE_NONZERO = false; + + static void ConnectLeftDegenerate(GLUtessellatorImpl tess, + ActiveRegion regUp, GLUvertex vEvent) +/* + * The event vertex lies exacty on an already-processed edge or vertex. + * Adding the new vertex involves splicing it into the already-processed + * part of the mesh. + */ { + GLUhalfEdge e, eTopLeft, eTopRight, eLast; + ActiveRegion reg; + + e = regUp.eUp; + if (Geom.VertEq(e.Org, vEvent)) { + /* e.Org is an unprocessed vertex - just combine them, and wait + * for e.Org to be pulled from the queue + */ + assert (TOLERANCE_NONZERO); + SpliceMergeVertices(tess, e, vEvent.anEdge); + return; + } + + if (!Geom.VertEq(e.Sym.Org, vEvent)) { + /* General case -- splice vEvent into edge e which passes through it */ + if (Mesh.__gl_meshSplitEdge(e.Sym) == null) throw new RuntimeException(); + if (regUp.fixUpperEdge) { + /* This edge was fixable -- delete unused portion of original edge */ + if (!Mesh.__gl_meshDelete(e.Onext)) throw new RuntimeException(); + regUp.fixUpperEdge = false; + } + if (!Mesh.__gl_meshSplice(vEvent.anEdge, e)) throw new RuntimeException(); + SweepEvent(tess, vEvent); /* recurse */ + return; + } + + /* vEvent coincides with e.Sym.Org, which has already been processed. + * Splice in the additional right-going edges. + */ + assert (TOLERANCE_NONZERO); + regUp = TopRightRegion(regUp); + reg = RegionBelow(regUp); + eTopRight = reg.eUp.Sym; + eTopLeft = eLast = eTopRight.Onext; + if (reg.fixUpperEdge) { + /* Here e.Sym.Org has only a single fixable edge going right. + * We can delete it since now we have some real right-going edges. + */ + assert (eTopLeft != eTopRight); /* there are some left edges too */ + DeleteRegion(tess, reg); + if (!Mesh.__gl_meshDelete(eTopRight)) throw new RuntimeException(); + eTopRight = eTopLeft.Sym.Lnext; + } + if (!Mesh.__gl_meshSplice(vEvent.anEdge, eTopRight)) throw new RuntimeException(); + if (!Geom.EdgeGoesLeft(eTopLeft)) { + /* e.Sym.Org had no left-going edges -- indicate this to AddRightEdges() */ + eTopLeft = null; + } + AddRightEdges(tess, regUp, eTopRight.Onext, eLast, eTopLeft, true); + } + + + static void ConnectLeftVertex(GLUtessellatorImpl tess, GLUvertex vEvent) +/* + * Purpose: connect a "left" vertex (one where both edges go right) + * to the processed portion of the mesh. Let R be the active region + * containing vEvent, and let U and L be the upper and lower edge + * chains of R. There are two possibilities: + * + * - the normal case: split R into two regions, by connecting vEvent to + * the rightmost vertex of U or L lying to the left of the sweep line + * + * - the degenerate case: if vEvent is close enough to U or L, we + * merge vEvent into that edge chain. The subcases are: + * - merging with the rightmost vertex of U or L + * - merging with the active edge of U or L + * - merging with an already-processed portion of U or L + */ { + ActiveRegion regUp, regLo, reg; + GLUhalfEdge eUp, eLo, eNew; + ActiveRegion tmp = new ActiveRegion(); + + /* assert ( vEvent.anEdge.Onext.Onext == vEvent.anEdge ); */ + + /* Get a pointer to the active region containing vEvent */ + tmp.eUp = vEvent.anEdge.Sym; + /* __GL_DICTLISTKEY */ /* __gl_dictListSearch */ + regUp = (ActiveRegion) Dict.dictKey(Dict.dictSearch(tess.dict, tmp)); + regLo = RegionBelow(regUp); + eUp = regUp.eUp; + eLo = regLo.eUp; + + /* Try merging with U or L first */ + if (Geom.EdgeSign(eUp.Sym.Org, vEvent, eUp.Org) == 0) { + ConnectLeftDegenerate(tess, regUp, vEvent); + return; + } + + /* Connect vEvent to rightmost processed vertex of either chain. + * e.Sym.Org is the vertex that we will connect to vEvent. + */ + reg = Geom.VertLeq(eLo.Sym.Org, eUp.Sym.Org) ? regUp : regLo; + + if (regUp.inside || reg.fixUpperEdge) { + if (reg == regUp) { + eNew = Mesh.__gl_meshConnect(vEvent.anEdge.Sym, eUp.Lnext); + if (eNew == null) throw new RuntimeException(); + } else { + GLUhalfEdge tempHalfEdge = Mesh.__gl_meshConnect(eLo.Sym.Onext.Sym, vEvent.anEdge); + if (tempHalfEdge == null) throw new RuntimeException(); + + eNew = tempHalfEdge.Sym; + } + if (reg.fixUpperEdge) { + if (!FixUpperEdge(reg, eNew)) throw new RuntimeException(); + } else { + ComputeWinding(tess, AddRegionBelow(tess, regUp, eNew)); + } + SweepEvent(tess, vEvent); + } else { + /* The new vertex is in a region which does not belong to the polygon. + * We don''t need to connect this vertex to the rest of the mesh. + */ + AddRightEdges(tess, regUp, vEvent.anEdge, vEvent.anEdge, null, true); + } + } + + + static void SweepEvent(GLUtessellatorImpl tess, GLUvertex vEvent) +/* + * Does everything necessary when the sweep line crosses a vertex. + * Updates the mesh and the edge dictionary. + */ { + ActiveRegion regUp, reg; + GLUhalfEdge e, eTopLeft, eBottomLeft; + + tess.event = vEvent; /* for access in EdgeLeq() */ + DebugEvent(tess); + + /* Check if this vertex is the right endpoint of an edge that is + * already in the dictionary. In this case we don't need to waste + * time searching for the location to insert new edges. + */ + e = vEvent.anEdge; + while (e.activeRegion == null) { + e = e.Onext; + if (e == vEvent.anEdge) { + /* All edges go right -- not incident to any processed edges */ + ConnectLeftVertex(tess, vEvent); + return; + } + } + + /* Processing consists of two phases: first we "finish" all the + * active regions where both the upper and lower edges terminate + * at vEvent (ie. vEvent is closing off these regions). + * We mark these faces "inside" or "outside" the polygon according + * to their winding number, and delete the edges from the dictionary. + * This takes care of all the left-going edges from vEvent. + */ + regUp = TopLeftRegion(e.activeRegion); + if (regUp == null) throw new RuntimeException(); + reg = RegionBelow(regUp); + eTopLeft = reg.eUp; + eBottomLeft = FinishLeftRegions(tess, reg, null); + + /* Next we process all the right-going edges from vEvent. This + * involves adding the edges to the dictionary, and creating the + * associated "active regions" which record information about the + * regions between adjacent dictionary edges. + */ + if (eBottomLeft.Onext == eTopLeft) { + /* No right-going edges -- add a temporary "fixable" edge */ + ConnectRightVertex(tess, regUp, eBottomLeft); + } else { + AddRightEdges(tess, regUp, eBottomLeft.Onext, eTopLeft, eTopLeft, true); + } + } + + +/* Make the sentinel coordinates big enough that they will never be + * merged with real input features. (Even with the largest possible + * input contour and the maximum tolerance of 1.0, no merging will be + * done with coordinates larger than 3 * GLU_TESS_MAX_COORD). + */ + private static final double SENTINEL_COORD = (4.0 * GLU.GLU_TESS_MAX_COORD); + + static void AddSentinel(GLUtessellatorImpl tess, double t) +/* + * We add two sentinel edges above and below all other edges, + * to avoid special cases at the top and bottom. + */ { + GLUhalfEdge e; + ActiveRegion reg = new ActiveRegion(); + if (reg == null) throw new RuntimeException(); + + e = Mesh.__gl_meshMakeEdge(tess.mesh); + if (e == null) throw new RuntimeException(); + + e.Org.s = SENTINEL_COORD; + e.Org.t = t; + e.Sym.Org.s = -SENTINEL_COORD; + e.Sym.Org.t = t; + tess.event = e.Sym.Org; /* initialize it */ + + reg.eUp = e; + reg.windingNumber = 0; + reg.inside = false; + reg.fixUpperEdge = false; + reg.sentinel = true; + reg.dirty = false; + reg.nodeUp = Dict.dictInsert(tess.dict, reg); /* __gl_dictListInsertBefore */ + if (reg.nodeUp == null) throw new RuntimeException(); + } + + + static void InitEdgeDict(final GLUtessellatorImpl tess) +/* + * We maintain an ordering of edge intersections with the sweep line. + * This order is maintained in a dynamic dictionary. + */ { + /* __gl_dictListNewDict */ + tess.dict = Dict.dictNewDict(tess, new Dict.DictLeq() { + public boolean leq(Object frame, Object key1, Object key2) { + return EdgeLeq(tess, (ActiveRegion) key1, (ActiveRegion) key2); + } + }); + if (tess.dict == null) throw new RuntimeException(); + + AddSentinel(tess, -SENTINEL_COORD); + AddSentinel(tess, SENTINEL_COORD); + } + + + static void DoneEdgeDict(GLUtessellatorImpl tess) { + ActiveRegion reg; + int fixedEdges = 0; + + /* __GL_DICTLISTKEY */ /* __GL_DICTLISTMIN */ + while ((reg = (ActiveRegion) Dict.dictKey(Dict.dictMin(tess.dict))) != null) { + /* + * At the end of all processing, the dictionary should contain + * only the two sentinel edges, plus at most one "fixable" edge + * created by ConnectRightVertex(). + */ + if (!reg.sentinel) { + assert (reg.fixUpperEdge); + assert (++fixedEdges == 1); + } + assert (reg.windingNumber == 0); + DeleteRegion(tess, reg); +/* __gl_meshDelete( reg.eUp );*/ + } + Dict.dictDeleteDict(tess.dict); /* __gl_dictListDeleteDict */ + } + + + static void RemoveDegenerateEdges(GLUtessellatorImpl tess) +/* + * Remove zero-length edges, and contours with fewer than 3 vertices. + */ { + GLUhalfEdge e, eNext, eLnext; + GLUhalfEdge eHead = tess.mesh.eHead; + + /*LINTED*/ + for (e = eHead.next; e != eHead; e = eNext) { + eNext = e.next; + eLnext = e.Lnext; + + if (Geom.VertEq(e.Org, e.Sym.Org) && e.Lnext.Lnext != e) { + /* Zero-length edge, contour has at least 3 edges */ + + SpliceMergeVertices(tess, eLnext, e); /* deletes e.Org */ + if (!Mesh.__gl_meshDelete(e)) throw new RuntimeException(); /* e is a self-loop */ + e = eLnext; + eLnext = e.Lnext; + } + if (eLnext.Lnext == e) { + /* Degenerate contour (one or two edges) */ + + if (eLnext != e) { + if (eLnext == eNext || eLnext == eNext.Sym) { + eNext = eNext.next; + } + if (!Mesh.__gl_meshDelete(eLnext)) throw new RuntimeException(); + } + if (e == eNext || e == eNext.Sym) { + eNext = eNext.next; + } + if (!Mesh.__gl_meshDelete(e)) throw new RuntimeException(); + } + } + } + + static boolean InitPriorityQ(GLUtessellatorImpl tess) +/* + * Insert all vertices into the priority queue which determines the + * order in which vertices cross the sweep line. + */ { + PriorityQ pq; + GLUvertex v, vHead; + + /* __gl_pqSortNewPriorityQ */ + pq = tess.pq = PriorityQ.pqNewPriorityQ(new PriorityQ.Leq() { + public boolean leq(Object key1, Object key2) { + return Geom.VertLeq(((GLUvertex) key1), (GLUvertex) key2); + } + }); + if (pq == null) return false; + + vHead = tess.mesh.vHead; + for (v = vHead.next; v != vHead; v = v.next) { + v.pqHandle = pq.pqInsert(v); /* __gl_pqSortInsert */ + if (v.pqHandle == Long.MAX_VALUE) break; + } + if (v != vHead || !pq.pqInit()) { /* __gl_pqSortInit */ + tess.pq.pqDeletePriorityQ(); /* __gl_pqSortDeletePriorityQ */ + tess.pq = null; + return false; + } + + return true; + } + + + static void DonePriorityQ(GLUtessellatorImpl tess) { + tess.pq.pqDeletePriorityQ(); /* __gl_pqSortDeletePriorityQ */ + } + + + static boolean RemoveDegenerateFaces(GLUmesh mesh) +/* + * Delete any degenerate faces with only two edges. WalkDirtyRegions() + * will catch almost all of these, but it won't catch degenerate faces + * produced by splice operations on already-processed edges. + * The two places this can happen are in FinishLeftRegions(), when + * we splice in a "temporary" edge produced by ConnectRightVertex(), + * and in CheckForLeftSplice(), where we splice already-processed + * edges to ensure that our dictionary invariants are not violated + * by numerical errors. + * + * In both these cases it is *very* dangerous to delete the offending + * edge at the time, since one of the routines further up the stack + * will sometimes be keeping a pointer to that edge. + */ { + GLUface f, fNext; + GLUhalfEdge e; + + /*LINTED*/ + for (f = mesh.fHead.next; f != mesh.fHead; f = fNext) { + fNext = f.next; + e = f.anEdge; + assert (e.Lnext != e); + + if (e.Lnext.Lnext == e) { + /* A face with only two edges */ + AddWinding(e.Onext, e); + if (!Mesh.__gl_meshDelete(e)) return false; + } + } + return true; + } + + public static boolean __gl_computeInterior(GLUtessellatorImpl tess) +/* + * __gl_computeInterior( tess ) computes the planar arrangement specified + * by the given contours, and further subdivides this arrangement + * into regions. Each region is marked "inside" if it belongs + * to the polygon, according to the rule given by tess.windingRule. + * Each interior region is guaranteed be monotone. + */ { + GLUvertex v, vNext; + + tess.fatalError = false; + + /* Each vertex defines an event for our sweep line. Start by inserting + * all the vertices in a priority queue. Events are processed in + * lexicographic order, ie. + * + * e1 < e2 iff e1.x < e2.x || (e1.x == e2.x && e1.y < e2.y) + */ + RemoveDegenerateEdges(tess); + if (!InitPriorityQ(tess)) return false; /* if error */ + InitEdgeDict(tess); + + /* __gl_pqSortExtractMin */ + while ((v = (GLUvertex) tess.pq.pqExtractMin()) != null) { + for (; ;) { + vNext = (GLUvertex) tess.pq.pqMinimum(); /* __gl_pqSortMinimum */ + if (vNext == null || !Geom.VertEq(vNext, v)) break; + + /* Merge together all vertices at exactly the same location. + * This is more efficient than processing them one at a time, + * simplifies the code (see ConnectLeftDegenerate), and is also + * important for correct handling of certain degenerate cases. + * For example, suppose there are two identical edges A and B + * that belong to different contours (so without this code they would + * be processed by separate sweep events). Suppose another edge C + * crosses A and B from above. When A is processed, we split it + * at its intersection point with C. However this also splits C, + * so when we insert B we may compute a slightly different + * intersection point. This might leave two edges with a small + * gap between them. This kind of error is especially obvious + * when using boundary extraction (GLU_TESS_BOUNDARY_ONLY). + */ + vNext = (GLUvertex) tess.pq.pqExtractMin(); /* __gl_pqSortExtractMin*/ + SpliceMergeVertices(tess, v.anEdge, vNext.anEdge); + } + SweepEvent(tess, v); + } + + /* Set tess.event for debugging purposes */ + /* __GL_DICTLISTKEY */ /* __GL_DICTLISTMIN */ + tess.event = ((ActiveRegion) Dict.dictKey(Dict.dictMin(tess.dict))).eUp.Org; + DebugEvent(tess); + DoneEdgeDict(tess); + DonePriorityQ(tess); + + if (!RemoveDegenerateFaces(tess.mesh)) return false; + Mesh.__gl_meshCheckMesh(tess.mesh); + + return true; + } +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/TessMono.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/TessMono.java new file mode 100644 index 000000000..ef89b1613 --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/TessMono.java @@ -0,0 +1,241 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class TessMono { +/* __gl_meshTessellateMonoRegion( face ) tessellates a monotone region + * (what else would it do??) The region must consist of a single + * loop of half-edges (see mesh.h) oriented CCW. "Monotone" in this + * case means that any vertical line intersects the interior of the + * region in a single interval. + * + * Tessellation consists of adding interior edges (actually pairs of + * half-edges), to split the region into non-overlapping triangles. + * + * The basic idea is explained in Preparata and Shamos (which I don''t + * have handy right now), although their implementation is more + * complicated than this one. The are two edge chains, an upper chain + * and a lower chain. We process all vertices from both chains in order, + * from right to left. + * + * The algorithm ensures that the following invariant holds after each + * vertex is processed: the untessellated region consists of two + * chains, where one chain (say the upper) is a single edge, and + * the other chain is concave. The left vertex of the single edge + * is always to the left of all vertices in the concave chain. + * + * Each step consists of adding the rightmost unprocessed vertex to one + * of the two chains, and forming a fan of triangles from the rightmost + * of two chain endpoints. Determining whether we can add each triangle + * to the fan is a simple orientation test. By making the fan as large + * as possible, we restore the invariant (check it yourself). + */ + static boolean __gl_meshTessellateMonoRegion(GLUface face, boolean avoidDegenerateTris) { + GLUhalfEdge up, lo; + + /* All edges are oriented CCW around the boundary of the region. + * First, find the half-edge whose origin vertex is rightmost. + * Since the sweep goes from left to right, face->anEdge should + * be close to the edge we want. + */ + up = face.anEdge; + assert (up.Lnext != up && up.Lnext.Lnext != up); + + for (; Geom.VertLeq(up.Sym.Org, up.Org); up = up.Onext.Sym) + ; + for (; Geom.VertLeq(up.Org, up.Sym.Org); up = up.Lnext) + ; + lo = up.Onext.Sym; + + boolean mustConnect = false; // hack for avoidDegenerateTris + + while (up.Lnext != lo) { + if (avoidDegenerateTris && !mustConnect) { + // Skip over regions where several vertices are collinear, + // to try to avoid producing degenerate (zero-area) triangles + // + // The "mustConnect" flag is a hack to try to avoid + // skipping too large regions and causing incorrect + // triangulations. This entire modification is overall + // not robust and needs more work + if (Geom.EdgeCos(lo.Lnext.Org, lo.Org, lo.Lnext.Lnext.Org) <= -Geom.ONE_MINUS_EPSILON) { + // Lines around lo + do { + lo = lo.Onext.Sym; + mustConnect = true; + } while (up.Lnext != lo && + Geom.EdgeCos(lo.Lnext.Org, lo.Org, lo.Lnext.Lnext.Org) <= -Geom.ONE_MINUS_EPSILON); + } else if (Geom.EdgeCos(up.Onext.Sym.Org, up.Org, up.Onext.Sym.Onext.Sym.Org) <= -Geom.ONE_MINUS_EPSILON) { + // Lines around up + do { + up = up.Lnext; + mustConnect = true; + } while (up.Lnext != lo && + Geom.EdgeCos(up.Onext.Sym.Org, up.Org, up.Onext.Sym.Onext.Sym.Org) <= -Geom.ONE_MINUS_EPSILON); + } + + if (up.Lnext == lo) + break; + } + + if (Geom.VertLeq(up.Sym.Org, lo.Org)) { + /* up.Sym.Org is on the left. It is safe to form triangles from lo.Org. + * The EdgeGoesLeft test guarantees progress even when some triangles + * are CW, given that the upper and lower chains are truly monotone. + */ + while (lo.Lnext != up && (Geom.EdgeGoesLeft(lo.Lnext) + || Geom.EdgeSign(lo.Org, lo.Sym.Org, lo.Lnext.Sym.Org) <= 0)) { + GLUhalfEdge tempHalfEdge = Mesh.__gl_meshConnect(lo.Lnext, lo); + mustConnect = false; + if (tempHalfEdge == null) return false; + lo = tempHalfEdge.Sym; + } + lo = lo.Onext.Sym; + } else { + /* lo.Org is on the left. We can make CCW triangles from up.Sym.Org. */ + while (lo.Lnext != up && (Geom.EdgeGoesRight(up.Onext.Sym) + || Geom.EdgeSign(up.Sym.Org, up.Org, up.Onext.Sym.Org) >= 0)) { + GLUhalfEdge tempHalfEdge = Mesh.__gl_meshConnect(up, up.Onext.Sym); + mustConnect = false; + if (tempHalfEdge == null) return false; + up = tempHalfEdge.Sym; + } + up = up.Lnext; + } + } + + /* Now lo.Org == up.Sym.Org == the leftmost vertex. The remaining region + * can be tessellated in a fan from this leftmost vertex. + */ + assert (lo.Lnext != up); + while (lo.Lnext.Lnext != up) { + GLUhalfEdge tempHalfEdge = Mesh.__gl_meshConnect(lo.Lnext, lo); + if (tempHalfEdge == null) return false; + lo = tempHalfEdge.Sym; + } + + return true; + } + + +/* __gl_meshTessellateInterior( mesh ) tessellates each region of + * the mesh which is marked "inside" the polygon. Each such region + * must be monotone. + */ + public static boolean __gl_meshTessellateInterior(GLUmesh mesh, boolean avoidDegenerateTris) { + GLUface f, next; + + /*LINTED*/ + for (f = mesh.fHead.next; f != mesh.fHead; f = next) { + /* Make sure we don''t try to tessellate the new triangles. */ + next = f.next; + if (f.inside) { + if (!__gl_meshTessellateMonoRegion(f, avoidDegenerateTris)) return false; + } + } + + return true; + } + + +/* __gl_meshDiscardExterior( mesh ) zaps (ie. sets to NULL) all faces + * which are not marked "inside" the polygon. Since further mesh operations + * on NULL faces are not allowed, the main purpose is to clean up the + * mesh so that exterior loops are not represented in the data structure. + */ + public static void __gl_meshDiscardExterior(GLUmesh mesh) { + GLUface f, next; + + /*LINTED*/ + for (f = mesh.fHead.next; f != mesh.fHead; f = next) { + /* Since f will be destroyed, save its next pointer. */ + next = f.next; + if (!f.inside) { + Mesh.__gl_meshZapFace(f); + } + } + } + + private static final int MARKED_FOR_DELETION = 0x7fffffff; + +/* __gl_meshSetWindingNumber( mesh, value, keepOnlyBoundary ) resets the + * winding numbers on all edges so that regions marked "inside" the + * polygon have a winding number of "value", and regions outside + * have a winding number of 0. + * + * If keepOnlyBoundary is TRUE, it also deletes all edges which do not + * separate an interior region from an exterior one. + */ + public static boolean __gl_meshSetWindingNumber(GLUmesh mesh, int value, boolean keepOnlyBoundary) { + GLUhalfEdge e, eNext; + + for (e = mesh.eHead.next; e != mesh.eHead; e = eNext) { + eNext = e.next; + if (e.Sym.Lface.inside != e.Lface.inside) { + + /* This is a boundary edge (one side is interior, one is exterior). */ + e.winding = (e.Lface.inside) ? value : -value; + } else { + + /* Both regions are interior, or both are exterior. */ + if (!keepOnlyBoundary) { + e.winding = 0; + } else { + if (!Mesh.__gl_meshDelete(e)) return false; + } + } + } + return true; + } + +} diff --git a/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/TessState.java b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/TessState.java new file mode 100644 index 000000000..a8aa41d9f --- /dev/null +++ b/src/jogl/classes/com/jogamp/opengl/impl/glu/tessellator/TessState.java @@ -0,0 +1,59 @@ +/* +* Portions Copyright (C) 2003-2006 Sun Microsystems, Inc. +* All rights reserved. +*/ + +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 2.0 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** NOTE: The Original Code (as defined below) has been licensed to Sun +** Microsystems, Inc. ("Sun") under the SGI Free Software License B +** (Version 1.1), shown above ("SGI License"). Pursuant to Section +** 3.2(3) of the SGI License, Sun is distributing the Covered Code to +** you under an alternative license ("Alternative License"). This +** Alternative License includes all of the provisions of the SGI License +** except that Section 2.2 and 11 are omitted. Any differences between +** the Alternative License and the SGI License are offered solely by Sun +** and not by SGI. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** Author: Eric Veach, July 1994 +** Java Port: Pepijn Van Eeckhoudt, July 2003 +** Java Port: Nathan Parker Burg, August 2003 +*/ +package com.jogamp.opengl.impl.glu.tessellator; + +class TessState { + public static final int T_DORMANT = 0; + public static final int T_IN_POLYGON = 1; + public static final int T_IN_CONTOUR = 2; +} |