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Diffstat (limited to 'src/net/java/games/jogl/util/BufferUtils.java')
-rw-r--r-- | src/net/java/games/jogl/util/BufferUtils.java | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/src/net/java/games/jogl/util/BufferUtils.java b/src/net/java/games/jogl/util/BufferUtils.java deleted file mode 100644 index 903a27366..000000000 --- a/src/net/java/games/jogl/util/BufferUtils.java +++ /dev/null @@ -1,121 +0,0 @@ -/* - * 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. - * - * Sun gratefully acknowledges that this software was originally authored - * and developed by Kenneth Bradley Russell and Christopher John Kline. - */ - -package net.java.games.jogl.util; - -import java.nio.*; -import java.util.*; - -/** Utility routines for dealing with direct buffers. */ - -public class BufferUtils { - public static final int SIZEOF_DOUBLE = 8; - public static final int SIZEOF_FLOAT = 4; - public static final int SIZEOF_INT = 4; - - public static DoubleBuffer newDoubleBuffer(int numElements) { - ByteBuffer bb = newByteBuffer(numElements * SIZEOF_DOUBLE); - return bb.asDoubleBuffer(); - } - - public static FloatBuffer newFloatBuffer(int numElements) { - ByteBuffer bb = newByteBuffer(numElements * SIZEOF_FLOAT); - return bb.asFloatBuffer(); - } - - public static IntBuffer newIntBuffer(int numElements) { - ByteBuffer bb = newByteBuffer(numElements * SIZEOF_INT); - return bb.asIntBuffer(); - } - - public static ByteBuffer newByteBuffer(int numElements) { - ByteBuffer bb = ByteBuffer.allocateDirect(numElements); - bb.order(ByteOrder.nativeOrder()); - return bb; - } - - public static DoubleBuffer copyDoubleBuffer(DoubleBuffer orig) { - DoubleBuffer dest = newDoubleBuffer(orig.capacity()); - orig.rewind(); - dest.put(orig); - return dest; - } - - public static FloatBuffer copyFloatBuffer(FloatBuffer orig) { - FloatBuffer dest = newFloatBuffer(orig.capacity()); - orig.rewind(); - dest.put(orig); - return dest; - } - - public static IntBuffer copyIntBuffer(IntBuffer orig) { - IntBuffer dest = newIntBuffer(orig.capacity()); - orig.rewind(); - dest.put(orig); - return dest; - } - - public static ByteBuffer copyByteBuffer(ByteBuffer orig) { - ByteBuffer dest = newByteBuffer(orig.capacity()); - orig.rewind(); - dest.put(orig); - return dest; - } - - private static Map bufferOffsetCache = Collections.synchronizedMap(new HashMap()); - - /** Creates an "offset buffer" for use with the - ARB_vertex_buffer_object extension. The resulting Buffers are - suitable for use with routines such as glVertexPointer <em>when - used in conjunction with that extension</em>. They have no - capacity and are not suitable for passing to OpenGL routines - that do not support buffer offsets, or to non-OpenGL - routines. */ - public static ByteBuffer bufferOffset(int offset) { - Integer key = new Integer(offset); - ByteBuffer buf = (ByteBuffer) bufferOffsetCache.get(key); - if (buf == null) { - buf = bufferOffset0(offset); - bufferOffsetCache.put(key, buf); - } - return buf; - } - - private static native ByteBuffer bufferOffset0(int offset); -} |