In a BGR10X2 or BGR5X1 situation, there's no need to try to quantize the
X channel - the default will have the proper quantization required.

Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
---
 src/gallium/drivers/swr/rasterizer/jitter/blend_jit.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/drivers/swr/rasterizer/jitter/blend_jit.cpp 
b/src/gallium/drivers/swr/rasterizer/jitter/blend_jit.cpp
index 46ea495..d9c72a9 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);
-- 
2.7.3

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