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adding support for zeroing buffers - patch'ish by MatthiasM

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This commit is contained in:
Brian Matzon 2010-11-24 21:48:23 +00:00
parent 63e79ab5b3
commit ebb196936e
3 changed files with 43 additions and 0 deletions
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37
src/java/org/lwjgl/BufferUtils.java
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@ -155,4 +155,41 @@ public final class BufferUtils {
return buffer.position() << getElementSizeExponent(buffer);
}
/** Fill buffer with zeros from position to remaining */
public static void zeroBuffer(ByteBuffer b) {
zeroBuffer0(b, b.position(), b.remaining());
}
/** Fill buffer with zeros from position to remaining */
public static void zeroBuffer(ShortBuffer b) {
zeroBuffer0(b, b.position()*2L, b.remaining()*2L);
}
/** Fill buffer with zeros from position to remaining */
public static void zeroBuffer(CharBuffer b) {
zeroBuffer0(b, b.position()*2L, b.remaining()*2L);
}
/** Fill buffer with zeros from position to remaining */
public static void zeroBuffer(IntBuffer b) {
zeroBuffer0(b, b.position()*4L, b.remaining()*4L);
}
/** Fill buffer with zeros from position to remaining */
public static void zeroBuffer(FloatBuffer b) {
zeroBuffer0(b, b.position()*4L, b.remaining()*4L);
}
/** Fill buffer with zeros from position to remaining */
public static void zeroBuffer(LongBuffer b) {
zeroBuffer0(b, b.position()*8L, b.remaining()*8L);
}
/** Fill buffer with zeros from position to remaining */
public static void zeroBuffer(DoubleBuffer b) {
zeroBuffer0(b, b.position()*8L, b.remaining()*8L);
}
/** Fill buffer with zeros from position to remaining */
private static native void zeroBuffer0(Buffer b, long off, long size);
}