From 2138fc787c1e497be7f373aa68b3f751c955008f Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Mon, 29 Mar 2010 04:24:20 +0200
Subject: New Int64Buffer type, which is being used for gluegen 'long *'
---
.../com/jogamp/gluegen/runtime/Int64Buffer.java | 155 +++++++++++++++++++++
1 file changed, 155 insertions(+)
create mode 100644 src/java/com/jogamp/gluegen/runtime/Int64Buffer.java
(limited to 'src/java/com/jogamp/gluegen/runtime/Int64Buffer.java')
diff --git a/src/java/com/jogamp/gluegen/runtime/Int64Buffer.java b/src/java/com/jogamp/gluegen/runtime/Int64Buffer.java
new file mode 100644
index 0000000..ad218bc
--- /dev/null
+++ b/src/java/com/jogamp/gluegen/runtime/Int64Buffer.java
@@ -0,0 +1,155 @@
+/*
+ * 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:
+ * * 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.
+ *
+ * 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.
+ */
+
+package com.jogamp.gluegen.runtime;
+
+import java.nio.ByteBuffer;
+
+/**
+ * Hardware independent container for native int64_t arrays.
+ *
+ * The native values (NIO direct ByteBuffer) are always 64bit wide.
+ *
+ * @author Michael Bien
+ * @author Sven Gothel
+ */
+public abstract class Int64Buffer {
+
+ protected final ByteBuffer bb;
+ protected int capacity;
+ protected int position;
+ protected long[] backup;
+
+ protected Int64Buffer(ByteBuffer bb) {
+ this.bb = bb;
+ }
+
+ public static Int64Buffer allocate(int size) {
+ if (Platform.isJavaSE()) {
+ return new Int64BufferSE(ByteBuffer.wrap(new byte[elementSize() * size]));
+ } else {
+ return new Int64BufferME_CDC_FP(ByteBuffer.wrap(new byte[elementSize() * size]));
+ }
+ }
+
+ public static Int64Buffer allocateDirect(int size) {
+ if (Platform.isJavaSE()) {
+ return new Int64BufferSE(BufferFactory.newDirectByteBuffer(elementSize() * size));
+ } else {
+ return new Int64BufferME_CDC_FP(BufferFactory.newDirectByteBuffer(elementSize() * size));
+ }
+ }
+
+ public static Int64Buffer wrap(ByteBuffer src) {
+ Int64Buffer res;
+ if (Platform.isJavaSE()) {
+ res = new Int64BufferSE(src);
+ } else {
+ res = new Int64BufferME_CDC_FP(src);
+ }
+ res.updateBackup();
+ return res;
+
+ }
+
+ void updateBackup() {
+ for (int i = 0; i < capacity; i++) {
+ backup[i] = get(i);
+ }
+ }
+
+ int arrayOffset() {
+ return 0;
+ }
+
+ public static int elementSize() {
+ return BufferFactory.SIZEOF_LONG;
+ }
+
+ public int limit() {
+ return capacity;
+ }
+
+ public int capacity() {
+ return capacity;
+ }
+
+ public int position() {
+ return position;
+ }
+
+ public Int64Buffer 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 int remaining() {
+ return capacity - position;
+ }
+
+ public boolean hasRemaining() {
+ return position < capacity;
+ }
+
+ public Int64Buffer rewind() {
+ position = 0;
+ return this;
+ }
+
+ boolean hasArray() {
+ return true;
+ }
+
+ public long[] array() {
+ return backup;
+ }
+
+ public ByteBuffer getBuffer() {
+ return bb;
+ }
+
+ public boolean isDirect() {
+ return bb.isDirect();
+ }
+
+ public long get() {
+ long r = get(position);
+ position++;
+ return r;
+ }
+
+ public abstract long get(int idx);
+
+ public abstract Int64Buffer put(int index, long value);
+
+ public abstract Int64Buffer put(long value);
+
+}
--
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