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swr: [rasterizer core] fix primID provoking vertex for GS

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Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>
This commit is contained in:
Tim Rowley
2017-03-02 16:41:22 -06:00
parent f1d7284117
commit c307092557
1 changed files with 2 additions and 2 deletions
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src/gallium/drivers/swr/rasterizer/core/frontend.cpp
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@@ -815,7 +815,7 @@ static void GeometryShaderStage(
{
simdvector primIdAttrib[3];
gsPa.Assemble(VERTEX_PRIMID_SLOT, primIdAttrib);
vPrimId = _simd_castps_si(primIdAttrib[0].x);
vPrimId = _simd_castps_si(primIdAttrib[state.frontendState.topologyProvokingVertex].x);
}
else
{