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-rw-r--r--src/gallium/drivers/swr/rasterizer/jitter/blend_jit.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gallium/drivers/swr/rasterizer/jitter/blend_jit.cpp b/src/gallium/drivers/swr/rasterizer/jitter/blend_jit.cpp
index b5b21c0d332..ad809c4e149 100644
--- a/src/gallium/drivers/swr/rasterizer/jitter/blend_jit.cpp
+++ b/src/gallium/drivers/swr/rasterizer/jitter/blend_jit.cpp
@@ -220,7 +220,7 @@ struct BlendJit : public Builder
const SWR_FORMAT_INFO& info = GetFormatInfo(format);
for (uint32_t c = 0; c < info.numComps; ++c)
{
- if (info.bpc[c] <= QUANTIZE_THRESHOLD)
+ if (info.bpc[c] <= QUANTIZE_THRESHOLD && info.type[c] != SWR_TYPE_UNUSED)
{
uint32_t swizComp = info.swizzle[c];
float factor = (float)((1 << info.bpc[c]) - 1);