aboutsummaryrefslogtreecommitdiffstats
path: root/src/jogl/classes/jogamp
diff options
context:
space:
mode:
Diffstat (limited to 'src/jogl/classes/jogamp')
-rw-r--r--src/jogl/classes/jogamp/opengl/gl2/Util.java244
1 files changed, 0 insertions, 244 deletions
diff --git a/src/jogl/classes/jogamp/opengl/gl2/Util.java b/src/jogl/classes/jogamp/opengl/gl2/Util.java
deleted file mode 100644
index 83f98a65f..000000000
--- a/src/jogl/classes/jogamp/opengl/gl2/Util.java
+++ /dev/null
@@ -1,244 +0,0 @@
-/*
- * 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 jogamp.opengl.gl2;
-
-import jogamp.opengl.*;
-
-import java.nio.IntBuffer;
-import javax.media.opengl.*;
-
-/**
- * Util.java
- * <p/>
- * <p/>
- * Created 7-jan-2004
- *
- * @author Erik Duijs
- */
-class Util {
-
- /**
- * temp int[] of one for getting an int from some GL functions
- */
- private int[] scratch = new int[1];
-
- /**
- * Return ceiling of integer division
- *
- * @param a
- * @param b
- *
- * @return int
- */
- protected static int ceil(int a, int b) {
- return (a % b == 0 ? a / b : a / b + 1);
- }
-
- /**
- * Method compPerPix.
- *
- * @param format
- *
- * @return int
- */
- protected static int compPerPix(int format) {
- /* Determine number of components per pixel */
- 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_LUMINANCE:
- return 1;
- case GL2.GL_LUMINANCE_ALPHA:
- return 2;
- case GL2.GL_RGB:
- case GL2.GL_BGR:
- return 3;
- case GL2.GL_RGBA:
- case GL2.GL_BGRA:
- return 4;
- default :
- return -1;
- }
- }
-
- /**
- * Method nearestPower.
- * <p/>
- * Compute the nearest power of 2 number. This algorithm is a little strange, but it works quite well.
- *
- * @param value
- *
- * @return int
- */
- protected static int nearestPower(int value) {
- int i;
-
- i = 1;
-
- /* Error! */
- if ( value == 0 )
- return -1;
-
- for ( ; ; ) {
- if ( value == 1 ) {
- return i;
- } else if ( value == 3 ) {
- return i << 2;
- }
- value >>= 1;
- i <<= 1;
- }
- }
-
- /**
- * Method bytesPerPixel.
- *
- * @param format
- * @param type
- *
- * @return int
- */
- protected static int bytesPerPixel(int format, int type) {
- int n, m;
-
- 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_LUMINANCE:
- n = 1;
- break;
- case GL2.GL_LUMINANCE_ALPHA:
- n = 2;
- break;
- case GL2.GL_RGB:
- case GL2.GL_BGR:
- n = 3;
- break;
- case GL2.GL_RGBA:
- case GL2.GL_BGRA:
- n = 4;
- break;
- default :
- n = 0;
- }
-
- switch ( type ) {
- case GL2.GL_UNSIGNED_BYTE:
- m = 1;
- break;
- case GL2.GL_BYTE:
- m = 1;
- break;
- case GL2.GL_BITMAP:
- m = 1;
- break;
- case GL2.GL_UNSIGNED_SHORT:
- m = 2;
- break;
- case GL2.GL_SHORT:
- m = 2;
- break;
- case GL2.GL_UNSIGNED_INT:
- m = 4;
- break;
- case GL2.GL_INT:
- m = 4;
- break;
- case GL2.GL_FLOAT:
- m = 4;
- break;
- default :
- m = 0;
- }
-
- return n * m;
- }
-
- /**
- * Convenience method for returning an int, rather than getting it out of a buffer yourself.
- *
- * @param what
- *
- * @return int
- */
- protected int glGetIntegerv(GL gl, int what) {
- gl.glGetIntegerv(what, scratch, 0);
- return scratch[0];
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 22:44:44 +0000