diff options
Diffstat (limited to 'src/java/com/jogamp/gluegen/runtime/StructAccessor.java')
-rw-r--r-- | src/java/com/jogamp/gluegen/runtime/StructAccessor.java | 326 |
1 files changed, 0 insertions, 326 deletions
diff --git a/src/java/com/jogamp/gluegen/runtime/StructAccessor.java b/src/java/com/jogamp/gluegen/runtime/StructAccessor.java deleted file mode 100644 index 6f3ad7d..0000000 --- a/src/java/com/jogamp/gluegen/runtime/StructAccessor.java +++ /dev/null @@ -1,326 +0,0 @@ -/* - * 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. - * - * Sun gratefully acknowledges that this software was originally authored - * and developed by Kenneth Bradley Russell and Christopher John Kline. - */ -package com.jogamp.gluegen.runtime; - -import java.nio.*; - -/** - * @author Kenneth Russel - * @author Michael Bien - */ -public class StructAccessor { - - private ByteBuffer bb; - private FloatBuffer fb; - private IntBuffer ib; - private ShortBuffer sb; - - //Java SE only - private CharBuffer cb; - private DoubleBuffer db; - private LongBuffer lb; - - public StructAccessor(ByteBuffer bb) { - // Setting of byte order is concession to native code which needs - // to instantiate these - if(Platform.isJavaSE()) { - this.bb = bb.order(ByteOrder.nativeOrder()); - }else{ - // JSR 239 does not support the ByteOrder class or the order methods. - // The initial order of a byte buffer is the platform byte order. - this.bb = bb; - } - } - - public ByteBuffer getBuffer() { - return bb; - } - - /** - * Returns a slice of the current ByteBuffer starting at the - * specified byte offset and extending the specified number of - * bytes. Note that this method is not thread-safe with respect to - * the other methods in this class. - */ - public ByteBuffer slice(int byteOffset, int byteLength) { - bb.position(byteOffset); - bb.limit(byteOffset + byteLength); - ByteBuffer newBuf = bb.slice(); - bb.position(0); - bb.limit(bb.capacity()); - return newBuf; - } - - /** Retrieves the byte at the specified slot (byte offset). */ - public byte getByteAt(int slot) { - return bb.get(slot); - } - - /** Puts a byte at the specified slot (byte offset). */ - public void setByteAt(int slot, byte v) { - bb.put(slot, v); - } - - /** Retrieves the char at the specified slot (2-byte offset). */ - public char getCharAt(int slot) { - return charBuffer().get(slot); - } - - /** Puts a char at the specified slot (2-byte offset). */ - public void setCharAt(int slot, char v) { - charBuffer().put(slot, v); - } - - /** Retrieves the double at the specified slot (8-byte offset). */ - public double getDoubleAt(int slot) { - return doubleBuffer().get(slot); - } - - /** Puts a double at the specified slot (8-byte offset). */ - public void setDoubleAt(int slot, double v) { - doubleBuffer().put(slot, v); - } - - /** Retrieves the float at the specified slot (4-byte offset). */ - public float getFloatAt(int slot) { - return floatBuffer().get(slot); - } - - /** Puts a float at the specified slot (4-byte offset). */ - public void setFloatAt(int slot, float v) { - floatBuffer().put(slot, v); - } - - /** Retrieves the int at the specified slot (4-byte offset). */ - public int getIntAt(int slot) { - return intBuffer().get(slot); - } - - /** Puts a int at the specified slot (4-byte offset). */ - public void setIntAt(int slot, int v) { - intBuffer().put(slot, v); - } - - /** Retrieves the short at the specified slot (2-byte offset). */ - public short getShortAt(int slot) { - return shortBuffer().get(slot); - } - - /** Puts a short at the specified slot (2-byte offset). */ - public void setShortAt(int slot, short v) { - shortBuffer().put(slot, v); - } - - public void setBytesAt(int slot, byte[] v) { - for (int i = 0; i < v.length; i++) { - bb.put(slot++, v[i]); - } - } - - public byte[] getBytesAt(int slot, byte[] v) { - for (int i = 0; i < v.length; i++) { - v[i] = bb.get(slot++); - } - return v; - } - - public void setCharsAt(int slot, char[] v) { - for (int i = 0; i < v.length; i++) { - charBuffer().put(slot++, v[i]); - } - } - - public char[] getCharsAt(int slot, char[] v) { - for (int i = 0; i < v.length; i++) { - v[i] = charBuffer().get(slot++); - } - return v; - } - - public void setIntsAt(int slot, int[] v) { - for (int i = 0; i < v.length; i++) { - intBuffer().put(slot++, v[i]); - } - } - - public int[] getIntsAt(int slot, int[] v) { - for (int i = 0; i < v.length; i++) { - v[i] = intBuffer().get(slot++); - } - return v; - } - - public void setFloatsAt(int slot, float[] v) { - for (int i = 0; i < v.length; i++) { - floatBuffer().put(slot++, v[i]); - } - } - - public float[] getFloatsAt(int slot, float[] v) { - for (int i = 0; i < v.length; i++) { - v[i] = floatBuffer().get(slot++); - } - return v; - } - - /** - * Puts a double at the specified slot (8-byte offset). - * May throw an {@link UnsupportedOperationException} - */ - public void setDoublesAt(int slot, double[] v) { - for (int i = 0; i < v.length; i++) { - doubleBuffer().put(slot++, v[i]); - } - } - - /** - * Retrieves the long at the specified slot (8-byte offset). - * May throw an {@link UnsupportedOperationException} - */ - public double[] getDoublesAt(int slot, double[] v) { - for (int i = 0; i < v.length; i++) { - v[i] = doubleBuffer().get(slot++); - } - return v; - } - - /** - * Retrieves the long at the specified slot (8-byte offset). - */ - public long getLongAt(int slot) { - if(Platform.isJavaSE()){ - return longBuffer().get(slot); - }else{ - return getLongCDCAt(slot); - } - } - - /** - * Puts a long at the specified slot (8-byte offset). - */ - public void setLongAt(int slot, long v) { - if(Platform.isJavaSE()){ - longBuffer().put(slot, v); - }else{ - setLongCDCAt(slot, v); - } - } - - //---------------------------------------------------------------------- - // Internals only below this point - // - - private final long getLongCDCAt(int slot) { - slot = slot << 1; // 8-byte to 4-byte offset - IntBuffer intBuffer = intBuffer(); - long lo = 0x00000000FFFFFFFFL & ((long) intBuffer.get(slot)); - long hi = 0x00000000FFFFFFFFL & ((long) intBuffer.get(slot + 1)); - if (Platform.isLittleEndian()) { - return hi << 32 | lo; - } - return lo << 32 | hi; - } - - private final void setLongCDCAt(int slot, long v) { - slot = slot << 1; // 8-byte to 4-byte offset - IntBuffer intBuffer = intBuffer(); - int lo = (int) ((v) & 0x00000000FFFFFFFFL); - int hi = (int) ((v >> 32) & 0x00000000FFFFFFFFL); - if (Platform.isLittleEndian()) { - intBuffer.put(slot, lo); - intBuffer.put(slot + 1, hi); - } else { - intBuffer.put(slot, hi); - intBuffer.put(slot + 1, lo); - } - } - - private final FloatBuffer floatBuffer() { - if (fb == null) { - fb = bb.asFloatBuffer(); - } - return fb; - } - - private final IntBuffer intBuffer() { - if (ib == null) { - ib = bb.asIntBuffer(); - } - return ib; - } - - private final ShortBuffer shortBuffer() { - if (sb == null) { - sb = bb.asShortBuffer(); - } - return sb; - } - - // - - Java SE only - - - - private final LongBuffer longBuffer() { - checkSE(); - if (lb == null) { - lb = bb.asLongBuffer(); - } - return lb; - } - - private final DoubleBuffer doubleBuffer() { - checkSE(); - if (db == null) { - db = bb.asDoubleBuffer(); - } - return db; - } - - private final CharBuffer charBuffer() { - checkSE(); - if (cb == null) { - cb = bb.asCharBuffer(); - } - return cb; - } - - private static void checkSE() { - if (!Platform.isJavaSE()) { - throw new UnsupportedOperationException("I am affraid, this Operation is not supportet on this platform."); - } - } -} |