com.sun.opengl.util
Class BufferUtil

java.lang.Object
  com.sun.opengl.util.BufferUtil

public class BufferUtil
extends Object

Utility routines for dealing with direct buffers.

Field Summary

static int	SIZEOF_BYTE
static int	SIZEOF_DOUBLE
static int	SIZEOF_FLOAT
static int	SIZEOF_INT
static int	SIZEOF_LONG
static int	SIZEOF_SHORT

Method Summary

static ByteBuffer	copyByteBuffer(ByteBuffer orig) Copies the remaining elements (as defined by limit() - position()) in the passed ByteBuffer into a newly-allocated direct ByteBuffer.
static FloatBuffer	copyFloatBuffer(FloatBuffer orig) Copies the remaining elements (as defined by limit() - position()) in the passed FloatBuffer into a newly-allocated direct FloatBuffer.
static ByteBuffer	copyFloatBufferAsByteBuffer(FloatBuffer orig) Copies the remaining elements (as defined by limit() - position()) in the passed FloatBuffer into a newly-allocated direct ByteBuffer.
static IntBuffer	copyIntBuffer(IntBuffer orig) Copies the remaining elements (as defined by limit() - position()) in the passed IntBuffer into a newly-allocated direct IntBuffer.
static ByteBuffer	copyIntBufferAsByteBuffer(IntBuffer orig) Copies the remaining elements (as defined by limit() - position()) in the passed IntBuffer into a newly-allocated direct ByteBuffer.
static ShortBuffer	copyShortBuffer(ShortBuffer orig) Copies the remaining elements (as defined by limit() - position()) in the passed ShortBuffer into a newly-allocated direct ShortBuffer.
static ByteBuffer	copyShortBufferAsByteBuffer(ShortBuffer orig) Copies the remaining elements (as defined by limit() - position()) in the passed ShortBuffer into a newly-allocated direct ByteBuffer.
static float[]	getFloatArray(double[] source)
static FloatBuffer	getFloatBuffer(DoubleBuffer source)
static ByteBuffer	nativeOrder(ByteBuffer buf)
static ByteBuffer	newByteBuffer(byte[] values)
static ByteBuffer	newByteBuffer(byte[] values, int offset)
static ByteBuffer	newByteBuffer(byte[] values, int offset, int len)
static ByteBuffer	newByteBuffer(int numElements) Allocates a new direct ByteBuffer with the specified number of elements.
static DoubleBuffer	newDoubleBuffer(double[] values)
static DoubleBuffer	newDoubleBuffer(double[] values, int offset)
static DoubleBuffer	newDoubleBuffer(int numElements) Allocates a new direct DoubleBuffer with the specified number of elements.
static FloatBuffer	newFloatBuffer(float[] values)
static FloatBuffer	newFloatBuffer(float[] values, int offset)
static FloatBuffer	newFloatBuffer(float[] values, int offset, int len)
static FloatBuffer	newFloatBuffer(int numElements) Allocates a new direct FloatBuffer with the specified number of elements.
static Buffer	newGLBuffer(int glType, int numElements)
static IntBuffer	newIntBuffer(int numElements) Allocates a new direct IntBuffer with the specified number of elements.
static IntBuffer	newIntBuffer(int[] values)
static IntBuffer	newIntBuffer(int[] values, int offset)
static IntBuffer	newIntBuffer(int[] values, int offset, int len)
static LongBuffer	newLongBuffer(int numElements) Allocates a new direct LongBuffer with the specified number of elements.
static ShortBuffer	newShortBuffer(int numElements) Allocates a new direct ShortBuffer with the specified number of elements.
static ShortBuffer	newShortBuffer(short[] values)
static ShortBuffer	newShortBuffer(short[] values, int offset)
static ShortBuffer	newShortBuffer(short[] values, int offset, int len)
static void	put(Buffer dest, Buffer v)
static void	putb(Buffer dest, byte v)
static void	putd(Buffer dest, double v)
static void	putf(Buffer dest, float v)
static void	puti(Buffer dest, int v)
static void	puts(Buffer dest, short v)
static void	putx(Buffer dest, int v)
static int	sizeOfBufferElem(Buffer buffer)
static int	sizeOfGLType(int glType)
static Buffer	sliceGLBuffer(ByteBuffer parent, int bytePos, int byteLen, int glType)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SIZEOF_BYTE

public static final int SIZEOF_BYTE

See Also:

Constant Field Values

SIZEOF_SHORT

public static final int SIZEOF_SHORT

See Also:

Constant Field Values

SIZEOF_INT

public static final int SIZEOF_INT

See Also:

Constant Field Values

SIZEOF_FLOAT

public static final int SIZEOF_FLOAT

See Also:

Constant Field Values

SIZEOF_LONG

public static final int SIZEOF_LONG

See Also:

Constant Field Values

SIZEOF_DOUBLE

public static final int SIZEOF_DOUBLE

See Also:

Constant Field Values

Method Detail

sizeOfGLType

public static final int sizeOfGLType(int glType)

sizeOfBufferElem

public static final int sizeOfBufferElem(Buffer buffer)

newGLBuffer

public static final Buffer newGLBuffer(int glType,
                                       int numElements)

sliceGLBuffer

public static final Buffer sliceGLBuffer(ByteBuffer parent,
                                         int bytePos,
                                         int byteLen,
                                         int glType)

newByteBuffer

public static ByteBuffer newByteBuffer(int numElements)

Allocates a new direct ByteBuffer with the specified number of elements. The returned buffer will have its byte order set to the host platform's native byte order.

newByteBuffer

public static ByteBuffer newByteBuffer(byte[] values,
                                       int offset,
                                       int len)

newByteBuffer

public static ByteBuffer newByteBuffer(byte[] values,
                                       int offset)

newByteBuffer

public static ByteBuffer newByteBuffer(byte[] values)

newDoubleBuffer

public static DoubleBuffer newDoubleBuffer(int numElements)

Allocates a new direct DoubleBuffer with the specified number of elements. The returned buffer will have its byte order set to the host platform's native byte order.

newDoubleBuffer

public static DoubleBuffer newDoubleBuffer(double[] values,
                                           int offset)

newDoubleBuffer

public static DoubleBuffer newDoubleBuffer(double[] values)

newFloatBuffer

public static FloatBuffer newFloatBuffer(int numElements)

Allocates a new direct FloatBuffer with the specified number of elements. The returned buffer will have its byte order set to the host platform's native byte order.

newFloatBuffer

public static FloatBuffer newFloatBuffer(float[] values,
                                         int offset,
                                         int len)

newFloatBuffer

public static FloatBuffer newFloatBuffer(float[] values,
                                         int offset)

newFloatBuffer

public static FloatBuffer newFloatBuffer(float[] values)

newIntBuffer

public static IntBuffer newIntBuffer(int numElements)

Allocates a new direct IntBuffer with the specified number of elements. The returned buffer will have its byte order set to the host platform's native byte order.

newIntBuffer

public static IntBuffer newIntBuffer(int[] values,
                                     int offset,
                                     int len)

newIntBuffer

public static IntBuffer newIntBuffer(int[] values,
                                     int offset)

newIntBuffer

public static IntBuffer newIntBuffer(int[] values)

newLongBuffer

public static LongBuffer newLongBuffer(int numElements)

Allocates a new direct LongBuffer with the specified number of elements. The returned buffer will have its byte order set to the host platform's native byte order.

newShortBuffer

public static ShortBuffer newShortBuffer(int numElements)

Allocates a new direct ShortBuffer with the specified number of elements. The returned buffer will have its byte order set to the host platform's native byte order.

newShortBuffer

public static ShortBuffer newShortBuffer(short[] values,
                                         int offset,
                                         int len)

newShortBuffer

public static ShortBuffer newShortBuffer(short[] values,
                                         int offset)

newShortBuffer

public static ShortBuffer newShortBuffer(short[] values)

copyByteBuffer

public static ByteBuffer copyByteBuffer(ByteBuffer orig)

Copies the remaining elements (as defined by limit() - position()) in the passed ByteBuffer into a newly-allocated direct ByteBuffer. The returned buffer will have its byte order set to the host platform's native byte order. The position of the newly-allocated buffer will be zero, and the position of the passed buffer is unchanged (though its mark is changed).

copyFloatBuffer

public static FloatBuffer copyFloatBuffer(FloatBuffer orig)

Copies the remaining elements (as defined by limit() - position()) in the passed FloatBuffer into a newly-allocated direct FloatBuffer. The returned buffer will have its byte order set to the host platform's native byte order. The position of the newly-allocated buffer will be zero, and the position of the passed buffer is unchanged (though its mark is changed).

copyIntBuffer

public static IntBuffer copyIntBuffer(IntBuffer orig)

Copies the remaining elements (as defined by limit() - position()) in the passed IntBuffer into a newly-allocated direct IntBuffer. The returned buffer will have its byte order set to the host platform's native byte order. The position of the newly-allocated buffer will be zero, and the position of the passed buffer is unchanged (though its mark is changed).

copyShortBuffer

public static ShortBuffer copyShortBuffer(ShortBuffer orig)

Copies the remaining elements (as defined by limit() - position()) in the passed ShortBuffer into a newly-allocated direct ShortBuffer. The returned buffer will have its byte order set to the host platform's native byte order. The position of the newly-allocated buffer will be zero, and the position of the passed buffer is unchanged (though its mark is changed).

copyFloatBufferAsByteBuffer

public static ByteBuffer copyFloatBufferAsByteBuffer(FloatBuffer orig)

Copies the remaining elements (as defined by limit() - position()) in the passed FloatBuffer into a newly-allocated direct ByteBuffer. The returned buffer will have its byte order set to the host platform's native byte order. The position of the newly-allocated buffer will be zero, and the position of the passed buffer is unchanged (though its mark is changed).

copyIntBufferAsByteBuffer

public static ByteBuffer copyIntBufferAsByteBuffer(IntBuffer orig)

Copies the remaining elements (as defined by limit() - position()) in the passed IntBuffer into a newly-allocated direct ByteBuffer. The returned buffer will have its byte order set to the host platform's native byte order. The position of the newly-allocated buffer will be zero, and the position of the passed buffer is unchanged (though its mark is changed).

copyShortBufferAsByteBuffer

public static ByteBuffer copyShortBufferAsByteBuffer(ShortBuffer orig)

Copies the remaining elements (as defined by limit() - position()) in the passed ShortBuffer into a newly-allocated direct ByteBuffer. The returned buffer will have its byte order set to the host platform's native byte order. The position of the newly-allocated buffer will be zero, and the position of the passed buffer is unchanged (though its mark is changed).

getFloatArray

public static final float[] getFloatArray(double[] source)

getFloatBuffer

public static final FloatBuffer getFloatBuffer(DoubleBuffer source)

nativeOrder

public static ByteBuffer nativeOrder(ByteBuffer buf)

put

public static void put(Buffer dest,
                       Buffer v)

putb

public static void putb(Buffer dest,
                        byte v)

puts

public static void puts(Buffer dest,
                        short v)

puti

public static void puti(Buffer dest,
                        int v)

putx

public static void putx(Buffer dest,
                        int v)

putf

public static void putf(Buffer dest,
                        float v)

putd

public static void putd(Buffer dest,
                        double v)