diff options
| -rw-r--r-- | src/java/com/jogamp/common/nio/PointerBuffer.java | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/java/com/jogamp/common/nio/PointerBuffer.java b/src/java/com/jogamp/common/nio/PointerBuffer.java index 69f8bbd..089b8b1 100644 --- a/src/java/com/jogamp/common/nio/PointerBuffer.java +++ b/src/java/com/jogamp/common/nio/PointerBuffer.java @@ -97,6 +97,25 @@ public class PointerBuffer extends AbstractBuffer<PointerBuffer> { return new PointerBuffer(src); } + /** + * @return new PointerBuffer sharing the same buffer data of this instance (identity), + * but having independent position, limit and capacity. + */ + public final PointerBuffer duplicate() { + PointerBuffer npb; + if (Platform.is32Bit()) { + npb = new PointerBuffer((IntBuffer)buffer); + } else { + npb = new PointerBuffer((LongBuffer)buffer); + } + if(null != dataMap) { + npb.dataMap = (LongObjectHashMap) dataMap.clone(); + } + npb.capacity = capacity; + npb.position = position; + return npb; + } + /** * Relative bulk get method. Copy the source values <code> src[position .. capacity] [</code> * to this buffer and increment the position by <code>capacity-position</code>. */ |