Fix error in CUDA single color compressor.

16 years ago · 112bf2c5c3
parent 7a85fdc59a
commit 112bf2c5c3
1 changed files with 3 additions and 0 deletions
--- a/src/nvtt/cuda/CompressKernel.cu
+++ b/src/nvtt/cuda/CompressKernel.cu
@ -191,6 +191,9 @@ __device__ void loadColorBlock(const uint * image, float3 colors[16], float3 sum

 		*sameColor = (axis == make_float3(0, 0, 0));

+		// Single color compressor needs unweighted colors.
+		if (*sameColor) colors[idx] = rawColors[idx];
+
 		dps[idx] = dot(rawColors[idx], axis);
 		
 #if __DEVICE_EMULATION__