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Diffstat (limited to 'src/jogl/classes/com/jogamp/opengl/impl/InternalBufferUtil.java.javase')
-rw-r--r-- | src/jogl/classes/com/jogamp/opengl/impl/InternalBufferUtil.java.javase | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/InternalBufferUtil.java.javase b/src/jogl/classes/com/jogamp/opengl/impl/InternalBufferUtil.java.javase deleted file mode 100644 index 655fa95de..000000000 --- a/src/jogl/classes/com/jogamp/opengl/impl/InternalBufferUtil.java.javase +++ /dev/null @@ -1,199 +0,0 @@ -/* - * Copyright (c) 2009 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. - * - */ - -package com.jogamp.opengl.impl; - -import java.lang.reflect.*; -import java.nio.*; - -/** Internal copy of selected routines from BufferUtil to avoid - outward dependencies on com.jogamp.opengl.util package. */ -public class InternalBufferUtil { - public static final int SIZEOF_BYTE = 1; - public static final int SIZEOF_SHORT = 2; - public static final int SIZEOF_INT = 4; - public static final int SIZEOF_FLOAT = 4; - public static final int SIZEOF_LONG = 8; - public static final int SIZEOF_DOUBLE = 8; - - //---------------------------------------------------------------------- - // Allocation routines - // - - /** Allocates a new direct ByteBuffer with the specified number of - elements. The returned buffer will have its byte order set to - the host platform's native byte order. */ - public static ByteBuffer newByteBuffer(int numElements) { - ByteBuffer bb = ByteBuffer.allocateDirect(numElements); - nativeOrder(bb); - return bb; - } - - /** Allocates a new direct DoubleBuffer with the specified number of - elements. The returned buffer will have its byte order set to - the host platform's native byte order. */ - public static DoubleBuffer newDoubleBuffer(int numElements) { - ByteBuffer bb = newByteBuffer(numElements * SIZEOF_DOUBLE); - return bb.asDoubleBuffer(); - } - - /** Allocates a new direct IntBuffer with the specified number of - elements. The returned buffer will have its byte order set to - the host platform's native byte order. */ - public static IntBuffer newIntBuffer(int numElements) { - ByteBuffer bb = newByteBuffer(numElements * SIZEOF_INT); - return bb.asIntBuffer(); - } - - /** Allocates a new direct ShortBuffer with the specified number of - elements. The returned buffer will have its byte order set to - the host platform's native byte order. */ - public static ShortBuffer newShortBuffer(int numElements) { - ByteBuffer bb = newByteBuffer(numElements * SIZEOF_SHORT); - return bb.asShortBuffer(); - } - - /** Allocates a new direct FloatBuffer with the specified number of - elements. The returned buffer will have its byte order set to - the host platform's native byte order. */ - public static FloatBuffer newFloatBuffer(int numElements) { - ByteBuffer bb = newByteBuffer(numElements * SIZEOF_FLOAT); - return bb.asFloatBuffer(); - } - - //---------------------------------------------------------------------- - // Copy routines (type-to-ByteBuffer) - // - - /** Copies the <i>remaining</i> elements (as defined by - <code>limit() - position()</code>) in the passed FloatBuffer - into a newly-allocated direct ByteBuffer. The returned buffer - will have its byte order set to the host platform's native byte - order. The position of the newly-allocated buffer will be zero, - and the position of the passed buffer is unchanged (though its - mark is changed). */ - public static ByteBuffer copyFloatBufferAsByteBuffer(FloatBuffer orig) { - ByteBuffer dest = newByteBuffer(orig.remaining() * SIZEOF_FLOAT); - dest.asFloatBuffer().put(orig); - dest.rewind(); - return dest; - } - - /** Copies the <i>remaining</i> elements (as defined by - <code>limit() - position()</code>) in the passed IntBuffer into - a newly-allocated direct ByteBuffer. The returned buffer will - have its byte order set to the host platform's native byte - order. The position of the newly-allocated buffer will be zero, - and the position of the passed buffer is unchanged (though its - mark is changed). */ - public static ByteBuffer copyIntBufferAsByteBuffer(IntBuffer orig) { - ByteBuffer dest = newByteBuffer(orig.remaining() * SIZEOF_INT); - dest.asIntBuffer().put(orig); - dest.rewind(); - return dest; - } - - /** Copies the <i>remaining</i> elements (as defined by - <code>limit() - position()</code>) in the passed ShortBuffer - into a newly-allocated direct ByteBuffer. The returned buffer - will have its byte order set to the host platform's native byte - order. The position of the newly-allocated buffer will be zero, - and the position of the passed buffer is unchanged (though its - mark is changed). */ - public static ByteBuffer copyShortBufferAsByteBuffer(ShortBuffer orig) { - ByteBuffer dest = newByteBuffer(orig.remaining() * SIZEOF_SHORT); - dest.asShortBuffer().put(orig); - dest.rewind(); - return dest; - } - - /** Copies the <i>remaining</i> elements (as defined by - <code>limit() - position()</code>) in the passed ByteBuffer into - a newly-allocated direct ByteBuffer. The returned buffer will - have its byte order set to the host platform's native byte - order. The position of the newly-allocated buffer will be zero, - and the position of the passed buffer is unchanged (though its - mark is changed). */ - public static ByteBuffer copyByteBuffer(ByteBuffer orig) { - ByteBuffer dest = newByteBuffer(orig.remaining()); - dest.put(orig); - dest.rewind(); - return dest; - } - - //---------------------------------------------------------------------- - // Conversion routines - // - - public static float[] getFloatArray(double[] source) { - int i=source.length; - float[] dest = new float[i--]; - while(i>=0) { dest[i]=(float)source[i]; i--; } - return dest; - } - - public static ByteBuffer nativeOrder(ByteBuffer buf) { - if (!isCDCFP) { - try { - if (byteOrderClass == null) { - byteOrderClass = Class.forName("java.nio.ByteOrder"); - orderMethod = ByteBuffer.class.getMethod("order", new Class[] { byteOrderClass }); - Method nativeOrderMethod = byteOrderClass.getMethod("nativeOrder", null); - nativeOrderObject = nativeOrderMethod.invoke(null, null); - } - } catch (Throwable t) { - // Must be running on CDC / FP - isCDCFP = true; - } - - if (!isCDCFP) { - try { - orderMethod.invoke(buf, new Object[] { nativeOrderObject }); - } catch (Throwable t) { - } - } - } - return buf; - } - - //---------------------------------------------------------------------- - // Internals only below this point - // - - // NOTE that this work must be done reflectively at the present time - // because this code must compile and run correctly on both CDC/FP and J2SE - private static boolean isCDCFP; - private static Class byteOrderClass; - private static Object nativeOrderObject; - private static Method orderMethod; -} |