diff options
Diffstat (limited to 'src/java/com/jogamp/common/nio/Int64BufferME_CDC_FP.java')
-rwxr-xr-x | src/java/com/jogamp/common/nio/Int64BufferME_CDC_FP.java | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/java/com/jogamp/common/nio/Int64BufferME_CDC_FP.java b/src/java/com/jogamp/common/nio/Int64BufferME_CDC_FP.java new file mode 100755 index 0000000..9621677 --- /dev/null +++ b/src/java/com/jogamp/common/nio/Int64BufferME_CDC_FP.java @@ -0,0 +1,89 @@ +/* + * 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 Int64BufferME_CDC_FP extends Int64Buffer { + + private IntBuffer pb; + + Int64BufferME_CDC_FP(ByteBuffer bb) { + super(bb); + this.pb = bb.asIntBuffer(); + + capacity = bb.capacity() / elementSize(); + + position = 0; + backup = new long[capacity]; + } + + public final long get(int idx) { + if (0 > idx || idx >= capacity) { + throw new IndexOutOfBoundsException(); + } + 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; + 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; + } +} |