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swr/rasterizer: Fix 3D resource copies.

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Ensure constant attributes stay constant with barycentric interpolation.

Reviewed-by: Alok Hota <alok.hota@intel.com>
This commit is contained in:
Jan Zielinski 2019-07-23 12:47:28 +02:00
parent ec4a5f5e13
commit 3d6cffffcf
1 changed files with 14 additions and 0 deletions
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14
src/gallium/drivers/swr/rasterizer/common/simdintrin.h
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@ -282,6 +282,13 @@ static SIMDINLINE simdscalar InterpolateComponent(simdscalar const& vI,
const float* pInterpB = &pInterpBuffer[Attrib * 3 * numComponents + numComponents + Comp]; const float* pInterpB = &pInterpBuffer[Attrib * 3 * numComponents + numComponents + Comp];
const float* pInterpC = &pInterpBuffer[Attrib * 3 * numComponents + numComponents * 2 + Comp]; const float* pInterpC = &pInterpBuffer[Attrib * 3 * numComponents + numComponents * 2 + Comp];
if ((pInterpA[0] == pInterpB[0]) && (pInterpA[0] == pInterpC[0]))
{
// Ensure constant attribs are constant. Required for proper
// 3D resource copies.
return _simd_broadcast_ss(pInterpA);
}
simdscalar vA = _simd_broadcast_ss(pInterpA); simdscalar vA = _simd_broadcast_ss(pInterpA);
simdscalar vB = _simd_broadcast_ss(pInterpB); simdscalar vB = _simd_broadcast_ss(pInterpB);
simdscalar vC = _simd_broadcast_ss(pInterpC); simdscalar vC = _simd_broadcast_ss(pInterpC);
@ -332,6 +339,13 @@ static SIMDINLINE simd4scalar InterpolateComponent(simd4scalar const& vI,
const float* pInterpB = &pInterpBuffer[Attrib * 3 * numComponents + numComponents + Comp]; const float* pInterpB = &pInterpBuffer[Attrib * 3 * numComponents + numComponents + Comp];
const float* pInterpC = &pInterpBuffer[Attrib * 3 * numComponents + numComponents * 2 + Comp]; const float* pInterpC = &pInterpBuffer[Attrib * 3 * numComponents + numComponents * 2 + Comp];
if ((pInterpA[0] == pInterpB[0]) && (pInterpA[0] == pInterpC[0]))
{
// Ensure constant attribs are constant. Required for proper
// 3D resource copies.
return SIMD128::broadcast_ss(pInterpA);
}
simd4scalar vA = SIMD128::broadcast_ss(pInterpA); simd4scalar vA = SIMD128::broadcast_ss(pInterpA);
simd4scalar vB = SIMD128::broadcast_ss(pInterpB); simd4scalar vB = SIMD128::broadcast_ss(pInterpB);
simd4scalar vC = SIMD128::broadcast_ss(pInterpC); simd4scalar vC = SIMD128::broadcast_ss(pInterpC);