---
src/gallium/drivers/swr/rasterizer/core/binner.cpp | 32 ++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/src/gallium/drivers/swr/rasterizer/core/binner.cpp
b/src/gallium/drivers/swr/rasterizer/core/binner.cpp
index f28981b..89a2167 100644
--- a/src/gallium/drivers/swr/rasterizer/core/binner.cpp
+++ b/src/gallium/drivers/swr/rasterizer/core/binner.cpp
@@ -204,6 +204,38 @@ INLINE void
calcBoundingBoxIntVertical<FEConservativeRastT>(const simdvector * c
bbox.ymax = _simd_add_epi32(vMaxY,
_simd_set1_epi32(CT::BoundingBoxOffsetT::value));
}
+#if USE_SIMD16_FRONTEND
+template <>
+INLINE void calcBoundingBoxIntVertical<FEConservativeRastT>(const simd16vector
* const tri, simd16scalari(&vX)[3], simd16scalari(&vY)[3], simd16BBox &bbox)
+{
+ // FE conservative rast traits
+ typedef FEConservativeRastT CT;
+
+ simd16scalari vMinX = vX[0];
+ vMinX = _simd16_min_epi32(vMinX, vX[1]);
+ vMinX = _simd16_min_epi32(vMinX, vX[2]);
+
+ simd16scalari vMaxX = vX[0];
+ vMaxX = _simd16_max_epi32(vMaxX, vX[1]);
+ vMaxX = _simd16_max_epi32(vMaxX, vX[2]);
+
+ simd16scalari vMinY = vY[0];
+ vMinY = _simd16_min_epi32(vMinY, vY[1]);
+ vMinY = _simd16_min_epi32(vMinY, vY[2]);
+
+ simd16scalari vMaxY = vY[0];
+ vMaxY = _simd16_max_epi32(vMaxY, vY[1]);
+ vMaxY = _simd16_max_epi32(vMaxY, vY[2]);
+
+ /// Bounding box needs to be expanded by 1/512 before snapping to 16.8 for
conservative rasterization
+ /// expand bbox by 1/256; coverage will be correctly handled in the
rasterizer.
+ bbox.xmin = _simd16_sub_epi32(vMinX,
_simd16_set1_epi32(CT::BoundingBoxOffsetT::value));
+ bbox.xmax = _simd16_add_epi32(vMaxX,
_simd16_set1_epi32(CT::BoundingBoxOffsetT::value));
+ bbox.ymin = _simd16_sub_epi32(vMinY,
_simd16_set1_epi32(CT::BoundingBoxOffsetT::value));
+ bbox.ymax = _simd16_add_epi32(vMaxY,
_simd16_set1_epi32(CT::BoundingBoxOffsetT::value));
+}
+
+#endif
//////////////////////////////////////////////////////////////////////////
/// @brief Processes attributes for the backend based on linkage mask and
/// linkage map. Essentially just doing an SOA->AOS conversion and
pack.
--
2.7.4
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