[Mesa-dev] [PATCH v2 30/45] swr/rast: Fix byte offset for non-indexed draws
George Kyriazis
george.kyriazis at intel.com
Wed Apr 18 01:32:10 UTC 2018
---
src/gallium/drivers/swr/rasterizer/core/frontend.cpp | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/swr/rasterizer/core/frontend.cpp b/src/gallium/drivers/swr/rasterizer/core/frontend.cpp
index 25d1073..2076859 100644
--- a/src/gallium/drivers/swr/rasterizer/core/frontend.cpp
+++ b/src/gallium/drivers/swr/rasterizer/core/frontend.cpp
@@ -1729,13 +1729,14 @@ void ProcessDraw(
uint32_t offset;
offset = std::min(endVertex-i, (uint32_t) KNOB_SIMD16_WIDTH);
#if USE_SIMD16_SHADERS
+ offset *= 4; // convert from index to address
fetchInfo_lo.pLastIndex += offset;
#else
- fetchInfo_lo.pLastIndex += std::min(offset, (uint32_t) KNOB_SIMD_WIDTH);
+ fetchInfo_lo.pLastIndex += std::min(offset, (uint32_t) KNOB_SIMD_WIDTH) * 4; // * 4 for converting index to address
uint32_t offset2 = std::min(offset, (uint32_t) KNOB_SIMD16_WIDTH)-KNOB_SIMD_WIDTH;
assert(offset >= 0);
fetchInfo_hi.pLastIndex = fetchInfo_hi.pIndices;
- fetchInfo_hi.pLastIndex += offset2;
+ fetchInfo_hi.pLastIndex += offset2 * 4; // * 4 for converting index to address
#endif
}
// 1. Execute FS/VS for a single SIMD.
--
2.7.4
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