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-rw-r--r--[-rwxr-xr-x]src/java/com/jogamp/gluegen/runtime/PointerBuffer.java252
1 files changed, 119 insertions, 133 deletions
diff --git a/src/java/com/jogamp/gluegen/runtime/PointerBuffer.java b/src/java/com/jogamp/gluegen/runtime/PointerBuffer.java
index 09ca2db..bd73e56 100755..100644
--- a/src/java/com/jogamp/gluegen/runtime/PointerBuffer.java
+++ b/src/java/com/jogamp/gluegen/runtime/PointerBuffer.java
@@ -1,169 +1,155 @@
/*
- * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ * Copyright (c) 2010, Michael Bien
+ * All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
+ * 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 Michael Bien nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
*
- * - 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.
+ * 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 Michael Bien 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.
*/
+/*
+ * Created on Saturday, March 27 2010 11:55
+ */
package com.jogamp.gluegen.runtime;
-import java.nio.*;
+import java.nio.ByteBuffer;
-public class PointerBuffer {
- private ByteBuffer bb;
- private Buffer pb;
- private int capacity, position;
- private long[] backup;
+/**
+ * Hardware independent container for native long- and pointer arrays.
+ * @author Michael Bien
+ * @author Sven Gothel
+ */
+public abstract class PointerBuffer {
- private PointerBuffer(ByteBuffer bb) {
- this.bb = bb;
+ protected final ByteBuffer bb;
+ protected int capacity;
+ protected int position;
+ protected long[] backup;
- if(CPU.is32Bit()) {
- this.pb = bb.asIntBuffer();
- }else{
- this.pb = bb.asLongBuffer();
+ protected PointerBuffer(ByteBuffer bb) {
+ this.bb = bb;
}
- capacity = bb.capacity() / elementSize();
-
- position=0;
- backup = new long[capacity];
- }
+ public static PointerBuffer allocate(int size) {
+ if (Platform.isJavaSE()) {
+ return new PointerBufferSE(ByteBuffer.wrap(new byte[elementSize() * size]));
+ } else {
+ return new PointerBufferME_CDC_FP(ByteBuffer.wrap(new byte[elementSize() * size]));
+ }
+ }
- public final int limit() {
- return capacity;
- }
- public final int capacity() {
- return capacity;
- }
+ public static PointerBuffer allocateDirect(int size) {
+ if (Platform.isJavaSE()) {
+ return new PointerBufferSE(BufferFactory.newDirectByteBuffer(elementSize() * size));
+ } else {
+ return new PointerBufferME_CDC_FP(BufferFactory.newDirectByteBuffer(elementSize() * size));
+ }
+ }
- public final int position() {
- return position;
- }
+ public static PointerBuffer wrap(ByteBuffer src) {
+ PointerBuffer res;
+ if (Platform.isJavaSE()) {
+ res = new PointerBufferSE(src);
+ } else {
+ res = new PointerBufferME_CDC_FP(src);
+ }
+ res.updateBackup();
+ return res;
- public final PointerBuffer position(int newPos) {
- if(0>newPos || newPos>=capacity) {
- throw new IndexOutOfBoundsException();
}
- position = newPos;
- return this;
- }
-
- public final int remaining() {
- return capacity - position;
- }
- public final boolean hasRemaining() {
- return position < capacity;
- }
+ void updateBackup() {
+ for (int i = 0; i < capacity; i++) {
+ backup[i] = get(i);
+ }
+ }
- public final PointerBuffer rewind() {
- position=0;
- return this;
- }
+ int arrayOffset() {
+ return 0;
+ }
- int arrayOffset() { return 0; }
+ public static int elementSize() {
+ return CPU.is32Bit() ? BufferFactory.SIZEOF_INT : BufferFactory.SIZEOF_LONG;
+ }
- boolean hasArray() { return true; }
+ public int limit() {
+ return capacity;
+ }
- public long[] array() {
- return backup;
- }
+ public int capacity() {
+ return capacity;
+ }
- public static PointerBuffer allocate(int size) {
- return new PointerBuffer(ByteBuffer.wrap(new byte[elementSize()* size]));
- }
+ public int position() {
+ return position;
+ }
- public static PointerBuffer allocateDirect(int size) {
- return new PointerBuffer(BufferFactory.newDirectByteBuffer(elementSize() * size));
- }
+ public PointerBuffer position(int newPos) {
+ if (0 > newPos || newPos >= capacity) {
+ throw new IndexOutOfBoundsException("Sorry to interrupt, but the position "+newPos+" was out of bounds. " +
+ "My capacity is "+capacity()+".");
+ }
+ position = newPos;
+ return this;
+ }
- public static PointerBuffer wrap(ByteBuffer src) {
- PointerBuffer res = new PointerBuffer(src);
- res.updateBackup();
- return res;
- }
+ public int remaining() {
+ return capacity - position;
+ }
- public ByteBuffer getBuffer() {
- return bb;
- }
+ public boolean hasRemaining() {
+ return position < capacity;
+ }
- public boolean isDirect() {
- return bb.isDirect();
- }
+ public PointerBuffer rewind() {
+ position = 0;
+ return this;
+ }
- public long get(int idx) {
- if(0>idx || idx>=capacity) {
- throw new IndexOutOfBoundsException();
+ boolean hasArray() {
+ return true;
}
- if(CPU.is32Bit()) {
- return ((IntBuffer)pb).get(idx);
- } else {
- return ((LongBuffer)pb).get(idx);
+
+ public long[] array() {
+ return backup;
}
- }
- public long get() {
- long r = get(position);
- position++;
- return r;
- }
+ public ByteBuffer getBuffer() {
+ return bb;
+ }
- public PointerBuffer put(int idx, long v) {
- if(0>idx || idx>=capacity) {
- throw new IndexOutOfBoundsException();
+ public boolean isDirect() {
+ return bb.isDirect();
}
- backup[idx] = v;
- if(CPU.is32Bit()) {
- ((IntBuffer)pb).put(idx, (int)v);
- } else {
- ((LongBuffer)pb).put(idx, v);
+
+ public long get() {
+ long r = get(position);
+ position++;
+ return r;
}
- return this;
- }
- public PointerBuffer put(long v) {
- put(position, v);
- position++;
- return this;
- }
-
- private void updateBackup() {
- for (int i = 0; i < capacity; i++) {
- backup[i] = get(i);
- }
- }
-
- public static int elementSize() {
- return CPU.is32Bit() ? BufferFactory.SIZEOF_INT : BufferFactory.SIZEOF_LONG;
- }
+ public abstract long get(int idx);
+
+ public abstract PointerBuffer put(int index, long value);
+
+ public abstract PointerBuffer put(long value);
+
}