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minor fix in light culling shader

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turanszkij
2018-01-04 14:54:00 +00:00
parent c76e788f4a
commit 81d52f26d8
1 changed files with 2 additions and 2 deletions
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WickedEngine/lightCullingCS.hlsl
+2 -2
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@@ -90,7 +90,7 @@ void o_BitonicSort( in uint localIdxFlattened )
// numArrayPowerOfTwo <<= 1;
// Optimized nearest power of two algorithm:
uint numArrayPowerOfTwo = 2 << firstbithigh(numArray);
uint numArrayPowerOfTwo = 2 << firstbithigh(numArray - 1); // if numArray is 0, we don't even call this function, but watch out!
for( uint nMergeSize = 2; nMergeSize <= numArrayPowerOfTwo; nMergeSize = nMergeSize * 2 )
{
@@ -125,7 +125,7 @@ void t_BitonicSort( in uint localIdxFlattened )
// numArrayPowerOfTwo <<= 1;
// Optimized nearest power of two algorithm:
uint numArrayPowerOfTwo = 2 << firstbithigh(numArray);
uint numArrayPowerOfTwo = 2 << firstbithigh(numArray - 1); // if numArray is 0, we don't even call this function, but watch out!
for( uint nMergeSize = 2; nMergeSize <= numArrayPowerOfTwo; nMergeSize = nMergeSize * 2 )
{