From 112bf2c5c37086e8475c1a1d95a5f0ae1c41082a Mon Sep 17 00:00:00 2001
From: castano <castano@95f4ed2b-212e-0410-8b90-d31948207fce>
Date: Mon, 27 Oct 2008 07:49:32 +0000
Subject: [PATCH] Fix error in CUDA single color compressor.

---
 src/nvtt/cuda/CompressKernel.cu | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/nvtt/cuda/CompressKernel.cu b/src/nvtt/cuda/CompressKernel.cu
index 916e3a3..ce332d0 100644
--- 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__