diff options
author | Michael Bien <[email protected]> | 2010-03-28 18:37:59 +0200 |
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committer | Michael Bien <[email protected]> | 2010-03-28 18:37:59 +0200 |
commit | be3ddc922fda13c0ba344909b3639a2c78c4b809 (patch) | |
tree | 714b2b579927751a6266dcca72c3393e86ef53df /src/java/com/jogamp/gluegen/runtime/BufferFactory.java | |
parent | cfe3dcb64d8ddfc941151a2907976adeaec36320 (diff) |
(part2) merged all cdc_fp special cases into one common superclass for each special case.
introduced Platform as utility for querying platform information.
special cdc build with cdc_fp bootclasspath temporary dissabled.
Diffstat (limited to 'src/java/com/jogamp/gluegen/runtime/BufferFactory.java')
-rwxr-xr-x | src/java/com/jogamp/gluegen/runtime/BufferFactory.java | 473 |
1 files changed, 245 insertions, 228 deletions
diff --git a/src/java/com/jogamp/gluegen/runtime/BufferFactory.java b/src/java/com/jogamp/gluegen/runtime/BufferFactory.java index 24d842c..1f8182c 100755 --- a/src/java/com/jogamp/gluegen/runtime/BufferFactory.java +++ b/src/java/com/jogamp/gluegen/runtime/BufferFactory.java @@ -36,282 +36,299 @@ * 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 Sven Gothel + * @author Michael Bien + */ public class BufferFactory { - public static final int SIZEOF_BYTE = 1; - public static final int SIZEOF_SHORT = 2; - public static final int SIZEOF_CHAR = 2; - public static final int SIZEOF_INT = 4; - public static final int SIZEOF_FLOAT = 4; - public static final int SIZEOF_LONG = 8; - public static final int SIZEOF_DOUBLE = 8; - - private static final boolean isLittleEndian; - - static { - ByteBuffer tst_b = BufferFactory.newDirectByteBuffer(BufferFactory.SIZEOF_INT); // 32bit in native order - IntBuffer tst_i = tst_b.asIntBuffer(); - ShortBuffer tst_s = tst_b.asShortBuffer(); - tst_i.put(0, 0x0A0B0C0D); - isLittleEndian = 0x0C0D == tst_s.get(0) ; - } - public static boolean isLittleEndian() { - return isLittleEndian; - } + public static final int SIZEOF_BYTE = 1; + public static final int SIZEOF_SHORT = 2; + public static final int SIZEOF_CHAR = 2; + public static final int SIZEOF_INT = 4; + public static final int SIZEOF_FLOAT = 4; + public static final int SIZEOF_LONG = 8; + public static final int SIZEOF_DOUBLE = 8; - /** Helper routine to create a direct ByteBuffer with native order */ - public static ByteBuffer newDirectByteBuffer(int size) { - return nativeOrder(ByteBuffer.allocateDirect(size)); - } - - /** Helper routine to set a ByteBuffer to the native byte order, if - that operation is supported by the underlying NIO - implementation. */ - public static ByteBuffer nativeOrder(ByteBuffer buf) { - return buf.order(ByteOrder.nativeOrder()); - } - - /** Helper routine to tell whether a buffer is direct or not. Null - pointers are considered NOT direct. isDirect() should really be - public in Buffer and not replicated in all subclasses. */ - public static boolean isDirect(Object buf) { - if (buf == null) { - return true; - } - if (buf instanceof ByteBuffer) { - return ((ByteBuffer) buf).isDirect(); - } else if (buf instanceof FloatBuffer) { - return ((FloatBuffer) buf).isDirect(); - } else if (buf instanceof DoubleBuffer) { - return ((DoubleBuffer) buf).isDirect(); - } else if (buf instanceof CharBuffer) { - return ((CharBuffer) buf).isDirect(); - } else if (buf instanceof ShortBuffer) { - return ((ShortBuffer) buf).isDirect(); - } else if (buf instanceof IntBuffer) { - return ((IntBuffer) buf).isDirect(); - } else if (buf instanceof LongBuffer) { - return ((LongBuffer) buf).isDirect(); - } else if (buf instanceof PointerBuffer) { - return ((PointerBuffer) buf).isDirect(); + public static boolean isLittleEndian() { + return Platform.isLittleEndian(); } - throw new RuntimeException("Unexpected buffer type " + buf.getClass().getName()); - } + /** + * Helper routine to create a direct ByteBuffer with native order + */ + public static ByteBuffer newDirectByteBuffer(int size) { + return nativeOrder(ByteBuffer.allocateDirect(size)); + } - /** Helper routine to get the Buffer byte offset by taking into - account the Buffer position and the underlying type. This is - the total offset for Direct Buffers. */ - - public static int getDirectBufferByteOffset(Object buf) { - if(buf == null) { - return 0; + /** + * Helper routine to set a ByteBuffer to the native byte order, if + * that operation is supported by the underlying NIO + * implementation. + */ + public static ByteBuffer nativeOrder(ByteBuffer buf) { + if (Platform.isJavaSE()) { + return buf.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. + return buf; + } } - if(buf instanceof Buffer) { - int pos = ((Buffer)buf).position(); - if(buf instanceof ByteBuffer) { - return pos; + + /** + * Helper routine to tell whether a buffer is direct or not. Null + * pointers are considered NOT direct. isDirect() should really be + * public in Buffer and not replicated in all subclasses. + */ + public static boolean isDirect(Object buf) { + if (buf == null) { + return true; + } + if (buf instanceof ByteBuffer) { + return ((ByteBuffer) buf).isDirect(); } else if (buf instanceof FloatBuffer) { - return pos * SIZEOF_FLOAT; + return ((FloatBuffer) buf).isDirect(); } else if (buf instanceof IntBuffer) { - return pos * SIZEOF_INT; + return ((IntBuffer) buf).isDirect(); } else if (buf instanceof ShortBuffer) { - return pos * SIZEOF_SHORT; - } else if (buf instanceof DoubleBuffer) { - return pos * SIZEOF_DOUBLE; - } else if (buf instanceof LongBuffer) { - return pos * SIZEOF_LONG; - } else if (buf instanceof CharBuffer) { - return pos * SIZEOF_CHAR; + return ((ShortBuffer) buf).isDirect(); + } else if (buf instanceof PointerBuffer) { + return ((PointerBuffer) buf).isDirect(); + } else if (Platform.isJavaSE()) { + if (buf instanceof DoubleBuffer) { + return ((DoubleBuffer) buf).isDirect(); + } else if (buf instanceof LongBuffer) { + return ((LongBuffer) buf).isDirect(); + }else if (buf instanceof CharBuffer) { + return ((CharBuffer) buf).isDirect(); + } } - } else if (buf instanceof PointerBuffer) { - PointerBuffer pb = (PointerBuffer)buf; - return pb.position() * pb.elementSize(); - } + throw new RuntimeException("Unexpected buffer type " + buf.getClass().getName()); + } - throw new RuntimeException("Disallowed array backing store type in buffer " - + buf.getClass().getName()); - } + /** + * Helper routine to get the Buffer byte offset by taking into + * account the Buffer position and the underlying type. This is + * the total offset for Direct Buffers. + */ + public static int getDirectBufferByteOffset(Object buf) { + if (buf == null) { + return 0; + } + if (buf instanceof Buffer) { + int pos = ((Buffer) buf).position(); + if (buf instanceof ByteBuffer) { + return pos; + } else if (buf instanceof FloatBuffer) { + return pos * SIZEOF_FLOAT; + } else if (buf instanceof IntBuffer) { + return pos * SIZEOF_INT; + } else if (buf instanceof ShortBuffer) { + return pos * SIZEOF_SHORT; + }else if(Platform.isJavaSE()) { + if (buf instanceof DoubleBuffer) { + return pos * SIZEOF_DOUBLE; + } else if (buf instanceof LongBuffer) { + return pos * SIZEOF_LONG; + } else if (buf instanceof CharBuffer) { + return pos * SIZEOF_CHAR; + } + } + } else if (buf instanceof PointerBuffer) { + PointerBuffer pointerBuffer = (PointerBuffer) buf; + return pointerBuffer.position() * PointerBuffer.elementSize(); + } + throw new RuntimeException("Disallowed array backing store type in buffer " + + buf.getClass().getName()); + } - /** Helper routine to return the array backing store reference from - a Buffer object. */ + /** + * Helper routine to return the array backing store reference from + * a Buffer object. + */ + public static Object getArray(Object buf) { + if (buf == null) { + return null; + } + if (buf instanceof ByteBuffer) { + return ((ByteBuffer) buf).array(); + } else if (buf instanceof FloatBuffer) { + return ((FloatBuffer) buf).array(); + } else if (buf instanceof IntBuffer) { + return ((IntBuffer) buf).array(); + } else if (buf instanceof ShortBuffer) { + return ((ShortBuffer) buf).array(); + } else if (buf instanceof PointerBuffer) { + return ((PointerBuffer) buf).array(); + }else if(Platform.isJavaSE()) { + if (buf instanceof DoubleBuffer) { + return ((DoubleBuffer) buf).array(); + } else if (buf instanceof LongBuffer) { + return ((LongBuffer) buf).array(); + } else if (buf instanceof CharBuffer) { + return ((CharBuffer) buf).array(); + } + } - public static Object getArray(Object buf) { - if (buf == null) { - return null; - } - if(buf instanceof ByteBuffer) { - return ((ByteBuffer) buf).array(); - } else if (buf instanceof FloatBuffer) { - return ((FloatBuffer) buf).array(); - } else if (buf instanceof IntBuffer) { - return ((IntBuffer) buf).array(); - } else if (buf instanceof ShortBuffer) { - return ((ShortBuffer) buf).array(); - } else if (buf instanceof DoubleBuffer) { - return ((DoubleBuffer) buf).array(); - } else if (buf instanceof LongBuffer) { - return ((LongBuffer) buf).array(); - } else if (buf instanceof CharBuffer) { - return ((CharBuffer) buf).array(); - } else if (buf instanceof PointerBuffer) { - return ((PointerBuffer) buf).array(); - } + throw new RuntimeException("Disallowed array backing store type in buffer " + + buf.getClass().getName()); + } - throw new RuntimeException("Disallowed array backing store type in buffer " - + buf.getClass().getName()); - } + /** + * Helper routine to get the full byte offset from the beginning of + * the array that is the storage for the indirect Buffer + * object. The array offset also includes the position offset + * within the buffer, in addition to any array offset. + */ + public static int getIndirectBufferByteOffset(Object buf) { + if (buf == null) { + return 0; + } + if (buf instanceof Buffer) { + int pos = ((Buffer) buf).position(); + if (buf instanceof ByteBuffer) { + return (((ByteBuffer) buf).arrayOffset() + pos); + } else if (buf instanceof FloatBuffer) { + return (SIZEOF_FLOAT * (((FloatBuffer) buf).arrayOffset() + pos)); + } else if (buf instanceof IntBuffer) { + return (SIZEOF_INT * (((IntBuffer) buf).arrayOffset() + pos)); + } else if (buf instanceof ShortBuffer) { + return (SIZEOF_SHORT * (((ShortBuffer) buf).arrayOffset() + pos)); + }else if(Platform.isJavaSE()) { + if (buf instanceof DoubleBuffer) { + return (SIZEOF_DOUBLE * (((DoubleBuffer) buf).arrayOffset() + pos)); + } else if (buf instanceof LongBuffer) { + return (SIZEOF_LONG * (((LongBuffer) buf).arrayOffset() + pos)); + } else if (buf instanceof CharBuffer) { + return (SIZEOF_CHAR * (((CharBuffer) buf).arrayOffset() + pos)); + } + } + } else if (buf instanceof PointerBuffer) { + PointerBuffer pointerBuffer = (PointerBuffer) buf; + return PointerBuffer.elementSize() * (pointerBuffer.arrayOffset() + pointerBuffer.position()); + } + throw new RuntimeException("Unknown buffer type " + buf.getClass().getName()); + } - /** Helper routine to get the full byte offset from the beginning of - the array that is the storage for the indirect Buffer - object. The array offset also includes the position offset - within the buffer, in addition to any array offset. */ + public static void rangeCheck(byte[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } - public static int getIndirectBufferByteOffset(Object buf) { - if(buf == null) { - return 0; - } - if (buf instanceof Buffer) { - int pos = ((Buffer)buf).position(); - if(buf instanceof ByteBuffer) { - return (((ByteBuffer)buf).arrayOffset() + pos); - } else if(buf instanceof FloatBuffer) { - return (SIZEOF_FLOAT*(((FloatBuffer)buf).arrayOffset() + pos)); - } else if(buf instanceof IntBuffer) { - return (SIZEOF_INT*(((IntBuffer)buf).arrayOffset() + pos)); - } else if(buf instanceof ShortBuffer) { - return (SIZEOF_SHORT*(((ShortBuffer)buf).arrayOffset() + pos)); - } else if(buf instanceof DoubleBuffer) { - return (SIZEOF_DOUBLE*(((DoubleBuffer)buf).arrayOffset() + pos)); - } else if(buf instanceof LongBuffer) { - return (SIZEOF_LONG*(((LongBuffer)buf).arrayOffset() + pos)); - } else if(buf instanceof CharBuffer) { - return (SIZEOF_CHAR*(((CharBuffer)buf).arrayOffset() + pos)); + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); } - } else if(buf instanceof PointerBuffer) { - PointerBuffer pb = (PointerBuffer)buf; - return pb.elementSize()*(pb.arrayOffset() + pb.position()); } - throw new RuntimeException("Unknown buffer type " + buf.getClass().getName()); - } - - public static void rangeCheck(byte[] array, int offset, int minElementsRemaining) { - if (array == null) { - return; - } + public static void rangeCheck(char[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } - if (array.length < offset + minElementsRemaining) { - throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } } - } - public static void rangeCheck(char[] array, int offset, int minElementsRemaining) { - if (array == null) { - return; - } + public static void rangeCheck(short[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } - if (array.length < offset + minElementsRemaining) { - throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } } - } - public static void rangeCheck(short[] array, int offset, int minElementsRemaining) { - if (array == null) { - return; - } + public static void rangeCheck(int[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } - if (array.length < offset + minElementsRemaining) { - throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } } - } - public static void rangeCheck(int[] array, int offset, int minElementsRemaining) { - if (array == null) { - return; - } + public static void rangeCheck(long[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } - if (array.length < offset + minElementsRemaining) { - throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } } - } - public static void rangeCheck(long[] array, int offset, int minElementsRemaining) { - if (array == null) { - return; - } - - if (array.length < offset + minElementsRemaining) { - throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); - } - } + public static void rangeCheck(float[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } - public static void rangeCheck(float[] array, int offset, int minElementsRemaining) { - if (array == null) { - return; + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } } - if (array.length < offset + minElementsRemaining) { - throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); - } - } + public static void rangeCheck(double[] array, int offset, int minElementsRemaining) { + if (array == null) { + return; + } - public static void rangeCheck(double[] array, int offset, int minElementsRemaining) { - if (array == null) { - return; - } - - if (array.length < offset + minElementsRemaining) { - throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + if (array.length < offset + minElementsRemaining) { + throw new ArrayIndexOutOfBoundsException("Required " + minElementsRemaining + " elements in array, only had " + (array.length - offset)); + } } - } - public static void rangeCheck(Buffer buffer, int minElementsRemaining) { - if (buffer == null) { - return; - } + public static void rangeCheck(Buffer buffer, int minElementsRemaining) { + if (buffer == null) { + return; + } - if (buffer.remaining() < minElementsRemaining) { - throw new IndexOutOfBoundsException("Required " + minElementsRemaining + " remaining elements in buffer, only had " + buffer.remaining()); + if (buffer.remaining() < minElementsRemaining) { + throw new IndexOutOfBoundsException("Required " + minElementsRemaining + " remaining elements in buffer, only had " + buffer.remaining()); + } } - } - public static void rangeCheckBytes(Object buffer, int minBytesRemaining) { - if (buffer == null) { - return; - } + public static void rangeCheckBytes(Object buffer, int minBytesRemaining) { + if (buffer == null) { + return; + } - int bytesRemaining = 0; - if (buffer instanceof Buffer) { - int elementsRemaining = ((Buffer)buffer).remaining(); - if (buffer instanceof ByteBuffer) { - bytesRemaining = elementsRemaining; - } else if (buffer instanceof FloatBuffer) { - bytesRemaining = elementsRemaining * SIZEOF_FLOAT; - } else if (buffer instanceof IntBuffer) { - bytesRemaining = elementsRemaining * SIZEOF_INT; - } else if (buffer instanceof ShortBuffer) { - bytesRemaining = elementsRemaining * SIZEOF_SHORT; - } else if (buffer instanceof DoubleBuffer) { - bytesRemaining = elementsRemaining * SIZEOF_DOUBLE; - } else if (buffer instanceof LongBuffer) { - bytesRemaining = elementsRemaining * SIZEOF_LONG; - } else if (buffer instanceof CharBuffer) { - bytesRemaining = elementsRemaining * SIZEOF_CHAR; + int bytesRemaining = 0; + if (buffer instanceof Buffer) { + int elementsRemaining = ((Buffer) buffer).remaining(); + if (buffer instanceof ByteBuffer) { + bytesRemaining = elementsRemaining; + } else if (buffer instanceof FloatBuffer) { + bytesRemaining = elementsRemaining * SIZEOF_FLOAT; + } else if (buffer instanceof IntBuffer) { + bytesRemaining = elementsRemaining * SIZEOF_INT; + } else if (buffer instanceof ShortBuffer) { + bytesRemaining = elementsRemaining * SIZEOF_SHORT; + }else if(Platform.isJavaSE()) { + if (buffer instanceof DoubleBuffer) { + bytesRemaining = elementsRemaining * SIZEOF_DOUBLE; + } else if (buffer instanceof LongBuffer) { + bytesRemaining = elementsRemaining * SIZEOF_LONG; + } else if (buffer instanceof CharBuffer) { + bytesRemaining = elementsRemaining * SIZEOF_CHAR; + } + } + } else if (buffer instanceof PointerBuffer) { + PointerBuffer pointerBuffer = (PointerBuffer) buffer; + bytesRemaining = pointerBuffer.remaining() * PointerBuffer.elementSize(); + } + if (bytesRemaining < minBytesRemaining) { + throw new IndexOutOfBoundsException("Required " + minBytesRemaining + " remaining bytes in buffer, only had " + bytesRemaining); } - } else if (buffer instanceof PointerBuffer) { - PointerBuffer pb = (PointerBuffer)buffer; - bytesRemaining = pb.remaining() * pb.elementSize(); - } - if (bytesRemaining < minBytesRemaining) { - throw new IndexOutOfBoundsException("Required " + minBytesRemaining + " remaining bytes in buffer, only had " + bytesRemaining); } - } } |