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diff --git a/src/net/java/joglutils/msg/impl/BufferFactory.java b/src/net/java/joglutils/msg/impl/BufferFactory.java
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+/*
+ * Copyright (c) 2007 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 net.java.joglutils.msg.impl;
+
+import java.nio.*;
+import java.util.*;
+import com.sun.opengl.util.*;
+
+/** Assists in allocation of direct Buffers. On some platforms when a
+    small direct Buffer is allocated there is a large amount of
+    rounding up which occurs. This BufferFactory allocates direct
+    Buffers in chunks and hands out slices of those chunks to
+    clients. */
+
+public class BufferFactory {
+  private static ByteBuffer   curByteBuf;
+  private static ShortBuffer  curShortBuf;
+  private static IntBuffer    curIntBuf;
+  private static FloatBuffer  curFloatBuf;
+  private static DoubleBuffer curDoubleBuf;
+
+  // I believe the rounding-up size of direct Buffers on Unix platforms is 8K
+  private static final int CHUNK_SIZE = 8 * 1024;
+
+  public static synchronized ByteBuffer newByteBuffer(int numElements) {
+    int sz = numElements * BufferUtil.SIZEOF_BYTE;
+    if (sz > CHUNK_SIZE) {
+      // Just allocate a fresh ByteBuffer and don't worry about
+      // rounding up its allocation size and re-using the end portion
+      return BufferUtil.newByteBuffer(numElements);
+    }
+    if (curByteBuf == null || curByteBuf.remaining() < numElements) {
+      curByteBuf = BufferUtil.newByteBuffer(CHUNK_SIZE / BufferUtil.SIZEOF_BYTE);
+    }
+    curByteBuf.limit(curByteBuf.position() + numElements);
+    ByteBuffer res = curByteBuf.slice();
+    curByteBuf.position(curByteBuf.limit());
+    return res;
+  }
+
+  public static synchronized ShortBuffer newShortBuffer(int numElements) {
+    int sz = numElements * BufferUtil.SIZEOF_SHORT;
+    if (sz > CHUNK_SIZE) {
+      // Just allocate a fresh ShortBuffer and don't worry about
+      // rounding up its allocation size and re-using the end portion
+      return BufferUtil.newShortBuffer(numElements);
+    }
+    if (curShortBuf == null || curShortBuf.remaining() < numElements) {
+      curShortBuf = BufferUtil.newShortBuffer(CHUNK_SIZE / BufferUtil.SIZEOF_SHORT);
+    }
+    curShortBuf.limit(curShortBuf.position() + numElements);
+    ShortBuffer res = curShortBuf.slice();
+    curShortBuf.position(curShortBuf.limit());
+    return res;
+  }
+
+  public static synchronized IntBuffer newIntBuffer(int numElements) {
+    int sz = numElements * BufferUtil.SIZEOF_INT;
+    if (sz > CHUNK_SIZE) {
+      // Just allocate a fresh IntBuffer and don't worry about
+      // rounding up its allocation size and re-using the end portion
+      return BufferUtil.newIntBuffer(numElements);
+    }
+    if (curIntBuf == null || curIntBuf.remaining() < numElements) {
+      curIntBuf = BufferUtil.newIntBuffer(CHUNK_SIZE / BufferUtil.SIZEOF_INT);
+    }
+    curIntBuf.limit(curIntBuf.position() + numElements);
+    IntBuffer res = curIntBuf.slice();
+    curIntBuf.position(curIntBuf.limit());
+    return res;
+  }
+
+  public static synchronized FloatBuffer newFloatBuffer(int numElements) {
+    int sz = numElements * BufferUtil.SIZEOF_FLOAT;
+    if (sz > CHUNK_SIZE) {
+      // Just allocate a fresh FloatBuffer and don't worry about
+      // rounding up its allocation size and re-using the end portion
+      return BufferUtil.newFloatBuffer(numElements);
+    }
+    if (curFloatBuf == null || curFloatBuf.remaining() < numElements) {
+      curFloatBuf = BufferUtil.newFloatBuffer(CHUNK_SIZE / BufferUtil.SIZEOF_FLOAT);
+    }
+    curFloatBuf.limit(curFloatBuf.position() + numElements);
+    FloatBuffer res = curFloatBuf.slice();
+    curFloatBuf.position(curFloatBuf.limit());
+    return res;
+  }
+
+  public static synchronized DoubleBuffer newDoubleBuffer(int numElements) {
+    int sz = numElements * BufferUtil.SIZEOF_DOUBLE;
+    if (sz > CHUNK_SIZE) {
+      // Just allocate a fresh DoubleBuffer and don't worry about
+      // rounding up its allocation size and re-using the end portion
+      return BufferUtil.newDoubleBuffer(numElements);
+    }
+    if (curDoubleBuf == null || curDoubleBuf.remaining() < numElements) {
+      curDoubleBuf = BufferUtil.newDoubleBuffer(CHUNK_SIZE / BufferUtil.SIZEOF_DOUBLE);
+    }
+    curDoubleBuf.limit(curDoubleBuf.position() + numElements);
+    DoubleBuffer res = curDoubleBuf.slice();
+    curDoubleBuf.position(curDoubleBuf.limit());
+    return res;
+  }
+}