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swr/rast: Fix byte offset for non-indexed draws 

for the case when USE_SIMD16_SHADERS == FALSE

Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>
This commit is contained in:
George Kyriazis 2018-04-10 18:43:31 -05:00
parent 7083ac7290
commit 9ceeb671a3
1 changed files with 3 additions and 3 deletions
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6
src/gallium/drivers/swr/rasterizer/core/frontend.cpp
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@ -1729,15 +1729,15 @@ void ProcessDraw(
fetchInfo_lo.xpLastIndex = fetchInfo_lo.xpIndices;
uint32_t offset;
offset = std::min(endVertex-i, (uint32_t) KNOB_SIMD16_WIDTH);
#if USE_SIMD16_SHADERS
offset *= 4; // convert from index to address
#if USE_SIMD16_SHADERS
fetchInfo_lo.xpLastIndex += offset;
#else
fetchInfo_lo.xpLastIndex += std::min(offset, (uint32_t) KNOB_SIMD_WIDTH) * 4; // * 4 for converting index to address
fetchInfo_lo.xpLastIndex += std::min(offset, (uint32_t) KNOB_SIMD_WIDTH);
uint32_t offset2 = std::min(offset, (uint32_t) KNOB_SIMD16_WIDTH)-KNOB_SIMD_WIDTH;
assert(offset >= 0);
fetchInfo_hi.xpLastIndex = fetchInfo_hi.xpIndices;
fetchInfo_hi.xpLastIndex += offset2 * 4; // * 4 for converting index to address
fetchInfo_hi.xpLastIndex += offset2;
#endif
}
// 1. Execute FS/VS for a single SIMD.