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Implemented a more efficient way of bulk copying

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a vertex buffer's elements to another.
Also modified copyElement to call the new copyElements
call with a size of 1... since they were nearly identical
minus the * len mods.


git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9100 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
PSp..om 2012-01-19 06:21:25 +00:00
parent e6dc1b7183
commit 1545a83abb
1 changed files with 27 additions and 9 deletions
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36
engine/src/core/com/jme3/scene/VertexBuffer.java
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@ -764,6 +764,22 @@ public class VertexBuffer extends NativeObject implements Savable, Cloneable {
* match.
*/
public void copyElement(int inIndex, VertexBuffer outVb, int outIndex){
copyElements(inIndex, outVb, outIndex, 1);
}
/**
* Copies a sequence of elements of data from this <code>VertexBuffer</code>
* to the given output VertexBuffer.
*
* @param inIndex The input element index
* @param outVb The buffer to copy to
* @param outIndex The output element index
* @param len The number of elements to copy
*
* @throws IllegalArgumentException If the formats of the buffers do not
* match.
*/
public void copyElements(int inIndex, VertexBuffer outVb, int outIndex, int len){
if (outVb.format != format || outVb.components != components)
throw new IllegalArgumentException("Buffer format mismatch. Cannot copy");
@ -789,37 +805,39 @@ public class VertexBuffer extends NativeObject implements Savable, Cloneable {
case Half:
ByteBuffer bin = (ByteBuffer) srcData;
ByteBuffer bout = (ByteBuffer) outVb.data;
bin.position(inPos).limit(inPos + elementSz);
bout.position(outPos).limit(outPos + elementSz);
bout.put(bin);
bin.position(inPos).limit(inPos + elementSz * len);
bout.position(outPos).limit(outPos + elementSz * len);
bout.put(bin);
break;
case Short:
case UnsignedShort:
ShortBuffer sin = (ShortBuffer) srcData;
ShortBuffer sout = (ShortBuffer) outVb.data;
sin.position(inPos).limit(inPos + elementSz);
sout.position(outPos).limit(outPos + elementSz);
sin.position(inPos).limit(inPos + elementSz * len);
sout.position(outPos).limit(outPos + elementSz * len);
sout.put(sin);
break;
case Int:
case UnsignedInt:
IntBuffer iin = (IntBuffer) srcData;
IntBuffer iout = (IntBuffer) outVb.data;
iin.position(inPos).limit(inPos + elementSz);
iout.position(outPos).limit(outPos + elementSz);
iin.position(inPos).limit(inPos + elementSz * len);
iout.position(outPos).limit(outPos + elementSz * len);
iout.put(iin);
break;
case Float:
FloatBuffer fin = (FloatBuffer) srcData;
FloatBuffer fout = (FloatBuffer) outVb.data;
fin.position(inPos).limit(inPos + elementSz);
fout.position(outPos).limit(outPos + elementSz);
fin.position(inPos).limit(inPos + elementSz * len);
fout.position(outPos).limit(outPos + elementSz * len);
fout.put(fin);
break;
default:
throw new UnsupportedOperationException("Unrecognized buffer format: "+format);
}
// Clear the output buffer to rewind it and reset its
// limit from where we shortened it above.
outVb.data.clear();
}