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/*
* 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.
*/
package com.jogamp.common.nio;
import com.jogamp.common.os.Platform;
import java.nio.*;
/**
* @author Sven Gothel
* @author Michael Bien
*/
final class PointerBufferME_CDC_FP extends PointerBuffer {
private IntBuffer pb;
PointerBufferME_CDC_FP(ByteBuffer bb) {
super(bb);
this.pb = bb.asIntBuffer();
}
public final long get(int idx) {
if (0 > idx || idx >= capacity) {
throw new IndexOutOfBoundsException();
}
if (Platform.is32Bit()) {
return (long) pb.get(idx) & 0x00000000FFFFFFFFL;
} else {
idx = idx << 1; // 8-byte to 4-byte offset
long lo = 0x00000000FFFFFFFFL & ((long) pb.get(idx));
long hi = 0x00000000FFFFFFFFL & ((long) pb.get(idx + 1));
if (Platform.isLittleEndian()) {
return hi << 32 | lo;
}
return lo << 32 | hi;
}
}
public final AbstractLongBuffer put(int idx, long v) {
if (0 > idx || idx >= capacity) {
throw new IndexOutOfBoundsException();
}
backup[idx] = v;
if (Platform.is32Bit()) {
pb.put(idx, (int) v);
} else {
idx = idx << 1; // 8-byte to 4-byte offset
int lo = (int) ((v) & 0x00000000FFFFFFFFL);
int hi = (int) ((v >> 32) & 0x00000000FFFFFFFFL);
if (Platform.isLittleEndian()) {
pb.put(idx, lo);
pb.put(idx + 1, hi);
} else {
pb.put(idx, hi);
pb.put(idx + 1, lo);
}
}
return this;
}
}
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