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| -rw-r--r-- | src/jogl/classes/jogamp/opengl/gl2/Util.java | 244 |
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]; - } -} |