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radv: Use the correct channel for alpha in resolve srgb conversion. 

The argument here is a bitmask, so the old code selected .xy, which
got silently truncated to .x when constructing the vec4 from components,
instead of using .w.

Fixes: 588185eb6b "radv/meta: add srgb conversion to end of resolve shader."
Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Bas Nieuwenhuizen 2017-08-06 01:58:21 +02:00
parent 15e5a7a683
commit acba3a3151
1 changed files with 1 additions and 1 deletions
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2
src/amd/vulkan/radv_meta_resolve_cs.c
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@ -66,7 +66,7 @@ static nir_ssa_def *radv_meta_build_resolve_srgb_conversion(nir_builder *b,
nir_ssa_def *comp[4];
for (i = 0; i < 3; i++)
comp[i] = nir_bcsel(b, cmp[i], ltvals[i], gtvals[i]);
comp[3] = nir_channels(b, input, 3);
comp[3] = nir_channels(b, input, 1 << 3);
return nir_vec(b, comp, 4);
}