diff options
| author | Tim Rowley <[email protected]> | 2016-03-18 11:48:47 -0600 |
|---|---|---|
| committer | Tim Rowley <[email protected]> | 2016-03-25 14:45:39 -0500 |
| commit | 4893224e2851683341d848926d267e5b5a4f39dc (patch) | |
| tree | 6f54a4d27aab9fe0622eccd038e858e555725a21 /src/gallium/drivers | |
| parent | 700a5b06e036d7515c6d5f2f9e2d40e5a65eb964 (diff) | |
swr: [rasterizer core] Add clipping against user clip distances in the NullPS backend.
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/swr/rasterizer/core/backend.cpp | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/gallium/drivers/swr/rasterizer/core/backend.cpp b/src/gallium/drivers/swr/rasterizer/core/backend.cpp index c9a5fd0f23f..7fb83edf169 100644 --- a/src/gallium/drivers/swr/rasterizer/core/backend.cpp +++ b/src/gallium/drivers/swr/rasterizer/core/backend.cpp @@ -1410,9 +1410,11 @@ void BackendNullPS(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_t y, RDTSC_START(BESetup); static const SWR_MULTISAMPLE_COUNT sampleCount = (SWR_MULTISAMPLE_COUNT)sampleCountT; + SWR_CONTEXT *pContext = pDC->pContext; const API_STATE& state = GetApiState(pDC); const BACKEND_FUNCS& backendFuncs = pDC->pState->backendFuncs; + const SWR_RASTSTATE& rastState = pDC->pState->state.rastState; // broadcast scalars BarycentricCoeffs coeffs; @@ -1451,7 +1453,8 @@ void BackendNullPS(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_t y, while (_BitScanForward(&sample, sampleMask)) { sampleMask &= ~(1 << sample); - if (work.coverageMask[sample] & MASK) + simdmask coverageMask = work.coverageMask[sample] & MASK; + if (coverageMask) { RDTSC_START(BEBarycentric); // calculate per sample positions @@ -1465,7 +1468,14 @@ void BackendNullPS(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_t y, RDTSC_STOP(BEBarycentric, 0, 0); - simdscalar vCoverageMask = vMask(work.coverageMask[sample] & MASK); + // interpolate user clip distance if available + if (rastState.clipDistanceMask) + { + coverageMask &= ~ComputeUserClipMask(rastState.clipDistanceMask, work.pUserClipBuffer, + psContext.vI.sample, psContext.vJ.sample); + } + + simdscalar vCoverageMask = vMask(coverageMask); simdscalar stencilPassMask = vCoverageMask; // offset depth/stencil buffers current sample |