From 06f93d03293ac0883e08352dfc89a21f33144887 Mon Sep 17 00:00:00 2001 From: George Kyriazis Date: Tue, 18 Oct 2016 15:42:33 -0500 Subject: [PATCH] swr: [rasterizer core] Refactor/cleanup backends Used for common code reuse and simplification Reviewed-by: Bruce Cherniak --- .../drivers/swr/rasterizer/core/backend.cpp | 561 +++++++----------- .../drivers/swr/rasterizer/core/backend.h | 150 ++++- 2 files changed, 351 insertions(+), 360 deletions(-) diff --git a/src/gallium/drivers/swr/rasterizer/core/backend.cpp b/src/gallium/drivers/swr/rasterizer/core/backend.cpp index f71c2b2d345..3b228925053 100644 --- a/src/gallium/drivers/swr/rasterizer/core/backend.cpp +++ b/src/gallium/drivers/swr/rasterizer/core/backend.cpp @@ -451,134 +451,95 @@ void BackendSingleSample(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint3 AR_BEGIN(BESingleSampleBackend, pDC->drawId); AR_BEGIN(BESetup, pDC->drawId); - const API_STATE& state = GetApiState(pDC); - const SWR_RASTSTATE& rastState = state.rastState; - const SWR_PS_STATE *pPSState = &state.psState; - const SWR_BLEND_STATE *pBlendState = &state.blendState; - uint64_t coverageMask = work.coverageMask[0]; + const API_STATE &state = GetApiState(pDC); - // broadcast scalars BarycentricCoeffs coeffs; - coeffs.vIa = _simd_broadcast_ss(&work.I[0]); - coeffs.vIb = _simd_broadcast_ss(&work.I[1]); - coeffs.vIc = _simd_broadcast_ss(&work.I[2]); - - coeffs.vJa = _simd_broadcast_ss(&work.J[0]); - coeffs.vJb = _simd_broadcast_ss(&work.J[1]); - coeffs.vJc = _simd_broadcast_ss(&work.J[2]); - - coeffs.vZa = _simd_broadcast_ss(&work.Z[0]); - coeffs.vZb = _simd_broadcast_ss(&work.Z[1]); - coeffs.vZc = _simd_broadcast_ss(&work.Z[2]); + SetupBarycentricCoeffs(&coeffs, work); - coeffs.vRecipDet = _simd_broadcast_ss(&work.recipDet); + uint8_t *pColorBuffer[SWR_NUM_RENDERTARGETS], *pDepthBuffer, *pStencilBuffer; + SetupRenderBuffers(pColorBuffer, &pDepthBuffer, &pStencilBuffer, state.psState.numRenderTargets, renderBuffers); - coeffs.vAOneOverW = _simd_broadcast_ss(&work.OneOverW[0]); - coeffs.vBOneOverW = _simd_broadcast_ss(&work.OneOverW[1]); - coeffs.vCOneOverW = _simd_broadcast_ss(&work.OneOverW[2]); + SWR_PS_CONTEXT psContext; + SetupPixelShaderContext(&psContext, work); - uint8_t *pColorBase[SWR_NUM_RENDERTARGETS]; - uint32_t NumRT = state.psState.numRenderTargets; - for(uint32_t rt = 0; rt < NumRT; ++rt) - { - pColorBase[rt] = renderBuffers.pColor[rt]; - } - uint8_t *pDepthBase = renderBuffers.pDepth, *pStencilBase = renderBuffers.pStencil; AR_END(BESetup, 1); - SWR_PS_CONTEXT psContext; - psContext.pAttribs = work.pAttribs; - psContext.pPerspAttribs = work.pPerspAttribs; - psContext.frontFace = work.triFlags.frontFacing; - psContext.primID = work.triFlags.primID; - - // save Ia/Ib/Ic and Ja/Jb/Jc if we need to reevaluate i/j/k in the shader because of pull attribs - psContext.I = work.I; - psContext.J = work.J; - psContext.recipDet = work.recipDet; - psContext.pRecipW = work.pRecipW; - psContext.pSamplePosX = (const float*)&T::MultisampleT::samplePosX; - psContext.pSamplePosY = (const float*)&T::MultisampleT::samplePosY; - psContext.rasterizerSampleCount = T::MultisampleT::numSamples; + psContext.vY.UL = _simd_add_ps(vULOffsetsY, _simd_set1_ps(static_cast(y))); + psContext.vY.center = _simd_add_ps(vCenterOffsetsY, _simd_set1_ps(static_cast(y))); - for(uint32_t yy = y; yy < y + KNOB_TILE_Y_DIM; yy += SIMD_TILE_Y_DIM) + const simdscalar dy = _simd_set1_ps(static_cast(SIMD_TILE_Y_DIM)); + + for (uint32_t yy = y; yy < y + KNOB_TILE_Y_DIM; yy += SIMD_TILE_Y_DIM) { - // UL pixel corner - psContext.vY.UL = _simd_add_ps(vULOffsetsY, _simd_set1_ps((float)yy)); - // pixel center - psContext.vY.center = _simd_add_ps(vCenterOffsetsY, _simd_set1_ps((float)yy)); + psContext.vX.UL = _simd_add_ps(vULOffsetsX, _simd_set1_ps(static_cast(x))); + psContext.vX.center = _simd_add_ps(vCenterOffsetsX, _simd_set1_ps(static_cast(x))); - for(uint32_t xx = x; xx < x + KNOB_TILE_X_DIM; xx += SIMD_TILE_X_DIM) + const simdscalar dx = _simd_set1_ps(static_cast(SIMD_TILE_X_DIM)); + + for (uint32_t xx = x; xx < x + KNOB_TILE_X_DIM; xx += SIMD_TILE_X_DIM) { #if USE_8x2_TILE_BACKEND const bool useAlternateOffset = ((xx & SIMD_TILE_X_DIM) != 0); #endif - if(coverageMask & MASK) + simdmask coverageMask = work.coverageMask[0] & MASK; + + if (coverageMask) { - psContext.vX.UL = _simd_add_ps(vULOffsetsX, _simd_set1_ps((float)xx)); - // pixel center - psContext.vX.center = _simd_add_ps(vCenterOffsetsX, _simd_set1_ps((float)xx)); + if (state.depthHottileEnable && state.depthBoundsState.depthBoundsTestEnable) + { + static_assert(KNOB_DEPTH_HOT_TILE_FORMAT == R32_FLOAT, "Unsupported depth hot tile format"); + + const simdscalar z = _simd_load_ps(reinterpret_cast(pDepthBuffer)); - if(T::InputCoverage != SWR_INPUT_COVERAGE_NONE) + const float minz = state.depthBoundsState.depthBoundsTestMinValue; + const float maxz = state.depthBoundsState.depthBoundsTestMaxValue; + + coverageMask &= CalcDepthBoundsAcceptMask(z, minz, maxz); + } + + if (T::InputCoverage != SWR_INPUT_COVERAGE_NONE) { - const uint64_t* pCoverageMask = (T::InputCoverage == SWR_INPUT_COVERAGE_INNER_CONSERVATIVE) ? &work.innerCoverageMask : - &work.coverageMask[0]; - generateInputCoverage(pCoverageMask, psContext.inputMask, pBlendState->sampleMask); + const uint64_t* pCoverageMask = (T::InputCoverage == SWR_INPUT_COVERAGE_INNER_CONSERVATIVE) ? &work.innerCoverageMask : &work.coverageMask[0]; + + generateInputCoverage(pCoverageMask, psContext.inputMask, state.blendState.sampleMask); } AR_BEGIN(BEBarycentric, pDC->drawId); + CalcPixelBarycentrics(coeffs, psContext); - // for 1x case, centroid is pixel center - psContext.vX.centroid = psContext.vX.center; - psContext.vY.centroid = psContext.vY.center; - psContext.vI.centroid = psContext.vI.center; - psContext.vJ.centroid = psContext.vJ.center; - psContext.vOneOverW.centroid = psContext.vOneOverW.center; + CalcCentroid(&psContext, coeffs, work.coverageMask, state.blendState.sampleMask); // interpolate and quantize z psContext.vZ = vplaneps(coeffs.vZa, coeffs.vZb, coeffs.vZc, psContext.vI.center, psContext.vJ.center); psContext.vZ = state.pfnQuantizeDepth(psContext.vZ); + AR_END(BEBarycentric, 1); - simdmask clipCoverageMask = coverageMask & MASK; // interpolate user clip distance if available - if (rastState.clipDistanceMask) - { - clipCoverageMask &= ~ComputeUserClipMask(rastState.clipDistanceMask, work.pUserClipBuffer, - psContext.vI.center, psContext.vJ.center); - } - - if (state.depthHottileEnable && state.depthBoundsState.depthBoundsTestEnable) + if (state.rastState.clipDistanceMask) { - static_assert(KNOB_DEPTH_HOT_TILE_FORMAT == R32_FLOAT, "Unsupported depth hot tile format"); - - const simdscalar z = _simd_load_ps(reinterpret_cast(pDepthBase)); - - const float minz = state.depthBoundsState.depthBoundsTestMinValue; - const float maxz = state.depthBoundsState.depthBoundsTestMaxValue; - - clipCoverageMask &= CalcDepthBoundsAcceptMask(z, minz, maxz); + coverageMask &= ~ComputeUserClipMask(state.rastState.clipDistanceMask, work.pUserClipBuffer, psContext.vI.center, psContext.vJ.center); } - simdscalar vCoverageMask = vMask(clipCoverageMask); + simdscalar vCoverageMask = vMask(coverageMask); simdscalar depthPassMask = vCoverageMask; simdscalar stencilPassMask = vCoverageMask; // Early-Z? - if(T::bCanEarlyZ) + if (T::bCanEarlyZ) { AR_BEGIN(BEEarlyDepthTest, pDC->drawId); depthPassMask = DepthStencilTest(&state, work.triFlags.frontFacing, work.triFlags.viewportIndex, - psContext.vZ, pDepthBase, vCoverageMask, pStencilBase, &stencilPassMask); + psContext.vZ, pDepthBuffer, vCoverageMask, pStencilBuffer, &stencilPassMask); AR_END(BEEarlyDepthTest, 0); // early-exit if no pixels passed depth or earlyZ is forced on - if(pPSState->forceEarlyZ || !_simd_movemask_ps(depthPassMask)) + if (state.psState.forceEarlyZ || !_simd_movemask_ps(depthPassMask)) { DepthStencilWrite(&state.vp[work.triFlags.viewportIndex], &state.depthStencilState, work.triFlags.frontFacing, psContext.vZ, - pDepthBase, depthPassMask, vCoverageMask, pStencilBase, stencilPassMask); + pDepthBuffer, depthPassMask, vCoverageMask, pStencilBuffer, stencilPassMask); if (!_simd_movemask_ps(depthPassMask)) { @@ -599,18 +560,18 @@ void BackendSingleSample(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint3 vCoverageMask = _simd_castsi_ps(psContext.activeMask); // late-Z - if(!T::bCanEarlyZ) + if (!T::bCanEarlyZ) { AR_BEGIN(BELateDepthTest, pDC->drawId); depthPassMask = DepthStencilTest(&state, work.triFlags.frontFacing, work.triFlags.viewportIndex, - psContext.vZ, pDepthBase, vCoverageMask, pStencilBase, &stencilPassMask); + psContext.vZ, pDepthBuffer, vCoverageMask, pStencilBuffer, &stencilPassMask); AR_END(BELateDepthTest, 0); - if(!_simd_movemask_ps(depthPassMask)) + if (!_simd_movemask_ps(depthPassMask)) { // need to call depth/stencil write for stencil write DepthStencilWrite(&state.vp[work.triFlags.viewportIndex], &state.depthStencilState, work.triFlags.frontFacing, psContext.vZ, - pDepthBase, depthPassMask, vCoverageMask, pStencilBase, stencilPassMask); + pDepthBuffer, depthPassMask, vCoverageMask, pStencilBuffer, stencilPassMask); goto Endtile; } } @@ -622,47 +583,56 @@ void BackendSingleSample(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint3 // output merger AR_BEGIN(BEOutputMerger, pDC->drawId); #if USE_8x2_TILE_BACKEND - OutputMerger(psContext, pColorBase, 0, pBlendState, state.pfnBlendFunc, vCoverageMask, depthPassMask, pPSState->numRenderTargets, useAlternateOffset); + OutputMerger(psContext, pColorBuffer, 0, &state.blendState, state.pfnBlendFunc, vCoverageMask, depthPassMask, state.psState.numRenderTargets, useAlternateOffset); #else - OutputMerger(psContext, pColorBase, 0, pBlendState, state.pfnBlendFunc, vCoverageMask, depthPassMask, pPSState->numRenderTargets); + OutputMerger(psContext, pColorBuffer, 0, &state.blendState, state.pfnBlendFunc, vCoverageMask, depthPassMask, state.psState.numRenderTargets); #endif // do final depth write after all pixel kills - if (!pPSState->forceEarlyZ) + if (!state.psState.forceEarlyZ) { DepthStencilWrite(&state.vp[work.triFlags.viewportIndex], &state.depthStencilState, work.triFlags.frontFacing, psContext.vZ, - pDepthBase, depthPassMask, vCoverageMask, pStencilBase, stencilPassMask); + pDepthBuffer, depthPassMask, vCoverageMask, pStencilBuffer, stencilPassMask); } AR_END(BEOutputMerger, 0); } Endtile: AR_BEGIN(BEEndTile, pDC->drawId); - coverageMask >>= (SIMD_TILE_Y_DIM * SIMD_TILE_X_DIM); + + work.coverageMask[0] >>= (SIMD_TILE_Y_DIM * SIMD_TILE_X_DIM); if(T::InputCoverage == SWR_INPUT_COVERAGE_INNER_CONSERVATIVE) { work.innerCoverageMask >>= (SIMD_TILE_Y_DIM * SIMD_TILE_X_DIM); } - pDepthBase += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; - pStencilBase += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; #if USE_8x2_TILE_BACKEND if (useAlternateOffset) { - for (uint32_t rt = 0; rt < NumRT; ++rt) + for (uint32_t rt = 0; rt < state.psState.numRenderTargets; ++rt) { - pColorBase[rt] += (2 * KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; + pColorBuffer[rt] += (2 * KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; } } #else - for (uint32_t rt = 0; rt < NumRT; ++rt) + for (uint32_t rt = 0; rt < state.psState.numRenderTargets; ++rt) { - pColorBase[rt] += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; + pColorBuffer[rt] += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; } #endif + pDepthBuffer += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; + pStencilBuffer += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; + AR_END(BEEndTile, 0); + + psContext.vX.UL = _simd_add_ps(psContext.vX.UL, dx); + psContext.vX.center = _simd_add_ps(psContext.vX.center, dx); } + + psContext.vY.UL = _simd_add_ps(psContext.vY.UL, dy); + psContext.vY.center = _simd_add_ps(psContext.vY.center, dy); } + AR_END(BESingleSampleBackend, 0); } @@ -674,111 +644,76 @@ void BackendSampleRate(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_ AR_BEGIN(BESampleRateBackend, pDC->drawId); AR_BEGIN(BESetup, pDC->drawId); - const API_STATE& state = GetApiState(pDC); - const SWR_RASTSTATE& rastState = state.rastState; - const SWR_PS_STATE *pPSState = &state.psState; - const SWR_BLEND_STATE *pBlendState = &state.blendState; + const API_STATE &state = GetApiState(pDC); - // broadcast scalars BarycentricCoeffs coeffs; - coeffs.vIa = _simd_broadcast_ss(&work.I[0]); - coeffs.vIb = _simd_broadcast_ss(&work.I[1]); - coeffs.vIc = _simd_broadcast_ss(&work.I[2]); + SetupBarycentricCoeffs(&coeffs, work); - coeffs.vJa = _simd_broadcast_ss(&work.J[0]); - coeffs.vJb = _simd_broadcast_ss(&work.J[1]); - coeffs.vJc = _simd_broadcast_ss(&work.J[2]); + uint8_t *pColorBuffer[SWR_NUM_RENDERTARGETS], *pDepthBuffer, *pStencilBuffer; + SetupRenderBuffers(pColorBuffer, &pDepthBuffer, &pStencilBuffer, state.psState.numRenderTargets, renderBuffers); - coeffs.vZa = _simd_broadcast_ss(&work.Z[0]); - coeffs.vZb = _simd_broadcast_ss(&work.Z[1]); - coeffs.vZc = _simd_broadcast_ss(&work.Z[2]); - - coeffs.vRecipDet = _simd_broadcast_ss(&work.recipDet); - - coeffs.vAOneOverW = _simd_broadcast_ss(&work.OneOverW[0]); - coeffs.vBOneOverW = _simd_broadcast_ss(&work.OneOverW[1]); - coeffs.vCOneOverW = _simd_broadcast_ss(&work.OneOverW[2]); + SWR_PS_CONTEXT psContext; + SetupPixelShaderContext(&psContext, work); - uint8_t *pColorBase[SWR_NUM_RENDERTARGETS]; - uint32_t NumRT = state.psState.numRenderTargets; - for(uint32_t rt = 0; rt < NumRT; ++rt) - { - pColorBase[rt] = renderBuffers.pColor[rt]; - } - uint8_t *pDepthBase = renderBuffers.pDepth, *pStencilBase = renderBuffers.pStencil; AR_END(BESetup, 0); - SWR_PS_CONTEXT psContext; - psContext.pAttribs = work.pAttribs; - psContext.pPerspAttribs = work.pPerspAttribs; - psContext.pRecipW = work.pRecipW; - psContext.frontFace = work.triFlags.frontFacing; - psContext.primID = work.triFlags.primID; - - // save Ia/Ib/Ic and Ja/Jb/Jc if we need to reevaluate i/j/k in the shader because of pull attribs - psContext.I = work.I; - psContext.J = work.J; - psContext.recipDet = work.recipDet; - psContext.pSamplePosX = (const float*)&T::MultisampleT::samplePosX; - psContext.pSamplePosY = (const float*)&T::MultisampleT::samplePosY; - psContext.rasterizerSampleCount = T::MultisampleT::numSamples; + psContext.vY.UL = _simd_add_ps(vULOffsetsY, _simd_set1_ps(static_cast(y))); + psContext.vY.center = _simd_add_ps(vCenterOffsetsY, _simd_set1_ps(static_cast(y))); + + const simdscalar dy = _simd_set1_ps(static_cast(SIMD_TILE_Y_DIM)); for (uint32_t yy = y; yy < y + KNOB_TILE_Y_DIM; yy += SIMD_TILE_Y_DIM) { - // UL pixel corner - psContext.vY.UL = _simd_add_ps(vULOffsetsY, _simd_set1_ps((float)yy)); - // pixel center - psContext.vY.center = _simd_add_ps(vCenterOffsetsY, _simd_set1_ps((float)yy)); - + psContext.vX.UL = _simd_add_ps(vULOffsetsX, _simd_set1_ps(static_cast(x))); + psContext.vX.center = _simd_add_ps(vCenterOffsetsX, _simd_set1_ps(static_cast(x))); + + const simdscalar dx = _simd_set1_ps(static_cast(SIMD_TILE_X_DIM)); + for (uint32_t xx = x; xx < x + KNOB_TILE_X_DIM; xx += SIMD_TILE_X_DIM) { #if USE_8x2_TILE_BACKEND const bool useAlternateOffset = ((xx & SIMD_TILE_X_DIM) != 0); #endif - psContext.vX.UL = _simd_add_ps(vULOffsetsX, _simd_set1_ps((float)xx)); - // pixel center - psContext.vX.center = _simd_add_ps(vCenterOffsetsX, _simd_set1_ps((float)xx)); + if (T::InputCoverage != SWR_INPUT_COVERAGE_NONE) + { + const uint64_t* pCoverageMask = (T::InputCoverage == SWR_INPUT_COVERAGE_INNER_CONSERVATIVE) ? &work.innerCoverageMask : &work.coverageMask[0]; + + generateInputCoverage(pCoverageMask, psContext.inputMask, state.blendState.sampleMask); + } AR_BEGIN(BEBarycentric, pDC->drawId); + CalcPixelBarycentrics(coeffs, psContext); - AR_END(BEBarycentric, 0); - if(T::InputCoverage != SWR_INPUT_COVERAGE_NONE) - { - const uint64_t* pCoverageMask = (T::InputCoverage == SWR_INPUT_COVERAGE_INNER_CONSERVATIVE) ? &work.innerCoverageMask : - &work.coverageMask[0]; - generateInputCoverage(pCoverageMask, psContext.inputMask, pBlendState->sampleMask); - } + CalcCentroid(&psContext, coeffs, work.coverageMask, state.blendState.sampleMask); - if(T::bCentroidPos) - { - ///@ todo: don't need to genererate input coverage 2x if input coverage and centroid - AR_BEGIN(BEBarycentric, pDC->drawId); - if(T::bIsStandardPattern) - { - CalcCentroidPos(psContext, &work.coverageMask[0], pBlendState->sampleMask, psContext.vX.UL, psContext.vY.UL); - } - else - { - psContext.vX.centroid = _simd_add_ps(psContext.vX.UL, _simd_set1_ps(0.5f)); - psContext.vY.centroid = _simd_add_ps(psContext.vY.UL, _simd_set1_ps(0.5f)); - } - CalcCentroidBarycentrics(coeffs, psContext, psContext.vX.UL, psContext.vY.UL); - AR_END(BEBarycentric, 0); - } - else - { - psContext.vX.centroid = psContext.vX.sample; - psContext.vY.centroid = psContext.vY.sample; - } + AR_END(BEBarycentric, 0); - for(uint32_t sample = 0; sample < T::MultisampleT::numSamples; sample++) + for (uint32_t sample = 0; sample < T::MultisampleT::numSamples; sample++) { simdmask coverageMask = work.coverageMask[sample] & MASK; + if (coverageMask) { + // offset depth/stencil buffers current sample + uint8_t *pDepthSample = pDepthBuffer + RasterTileDepthOffset(sample); + uint8_t *pStencilSample = pStencilBuffer + RasterTileStencilOffset(sample); + + if (state.depthHottileEnable && state.depthBoundsState.depthBoundsTestEnable) + { + static_assert(KNOB_DEPTH_HOT_TILE_FORMAT == R32_FLOAT, "Unsupported depth hot tile format"); + + const simdscalar z = _simd_load_ps(reinterpret_cast(pDepthSample)); + + const float minz = state.depthBoundsState.depthBoundsTestMinValue; + const float maxz = state.depthBoundsState.depthBoundsTestMaxValue; + + coverageMask &= CalcDepthBoundsAcceptMask(z, minz, maxz); + } + AR_BEGIN(BEBarycentric, pDC->drawId); + // calculate per sample positions psContext.vX.sample = _simd_add_ps(psContext.vX.UL, T::MultisampleT::vX(sample)); psContext.vY.sample = _simd_add_ps(psContext.vY.UL, T::MultisampleT::vY(sample)); @@ -788,29 +723,13 @@ void BackendSampleRate(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_ // interpolate and quantize z psContext.vZ = vplaneps(coeffs.vZa, coeffs.vZb, coeffs.vZc, psContext.vI.sample, psContext.vJ.sample); psContext.vZ = state.pfnQuantizeDepth(psContext.vZ); + AR_END(BEBarycentric, 0); // interpolate user clip distance if available - if (rastState.clipDistanceMask) + if (state.rastState.clipDistanceMask) { - coverageMask &= ~ComputeUserClipMask(rastState.clipDistanceMask, work.pUserClipBuffer, - psContext.vI.sample, psContext.vJ.sample); - } - - // offset depth/stencil buffers current sample - uint8_t *pDepthSample = pDepthBase + RasterTileDepthOffset(sample); - uint8_t *pStencilSample = pStencilBase + RasterTileStencilOffset(sample); - - if (state.depthHottileEnable && state.depthBoundsState.depthBoundsTestEnable) - { - static_assert(KNOB_DEPTH_HOT_TILE_FORMAT == R32_FLOAT, "Unsupported depth hot tile format"); - - const simdscalar z = _simd_load_ps(reinterpret_cast(pDepthSample)); - - const float minz = state.depthBoundsState.depthBoundsTestMinValue; - const float maxz = state.depthBoundsState.depthBoundsTestMaxValue; - - coverageMask &= CalcDepthBoundsAcceptMask(z, minz, maxz); + coverageMask &= ~ComputeUserClipMask(state.rastState.clipDistanceMask, work.pUserClipBuffer, psContext.vI.sample, psContext.vJ.sample); } simdscalar vCoverageMask = vMask(coverageMask); @@ -826,7 +745,7 @@ void BackendSampleRate(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_ AR_END(BEEarlyDepthTest, 0); // early-exit if no samples passed depth or earlyZ is forced on. - if (pPSState->forceEarlyZ || !_simd_movemask_ps(depthPassMask)) + if (state.psState.forceEarlyZ || !_simd_movemask_ps(depthPassMask)) { DepthStencilWrite(&state.vp[work.triFlags.viewportIndex], &state.depthStencilState, work.triFlags.frontFacing, psContext.vZ, pDepthSample, depthPassMask, vCoverageMask, pStencilSample, stencilPassMask); @@ -876,13 +795,13 @@ void BackendSampleRate(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_ // output merger AR_BEGIN(BEOutputMerger, pDC->drawId); #if USE_8x2_TILE_BACKEND - OutputMerger(psContext, pColorBase, sample, pBlendState, state.pfnBlendFunc, vCoverageMask, depthPassMask, pPSState->numRenderTargets, useAlternateOffset); + OutputMerger(psContext, pColorBuffer, sample, &state.blendState, state.pfnBlendFunc, vCoverageMask, depthPassMask, state.psState.numRenderTargets, useAlternateOffset); #else - OutputMerger(psContext, pColorBase, sample, pBlendState, state.pfnBlendFunc, vCoverageMask, depthPassMask, pPSState->numRenderTargets); + OutputMerger(psContext, pColorBuffer, sample, &state.blendState, state.pfnBlendFunc, vCoverageMask, depthPassMask, state.psState.numRenderTargets); #endif // do final depth write after all pixel kills - if (!pPSState->forceEarlyZ) + if (!state.psState.forceEarlyZ) { DepthStencilWrite(&state.vp[work.triFlags.viewportIndex], &state.depthStencilState, work.triFlags.frontFacing, psContext.vZ, pDepthSample, depthPassMask, vCoverageMask, pStencilSample, stencilPassMask); @@ -894,31 +813,41 @@ void BackendSampleRate(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_ Endtile: ATTR_UNUSED; + AR_BEGIN(BEEndTile, pDC->drawId); + if(T::InputCoverage == SWR_INPUT_COVERAGE_INNER_CONSERVATIVE) { work.innerCoverageMask >>= (SIMD_TILE_Y_DIM * SIMD_TILE_X_DIM); } - pDepthBase += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; - pStencilBase += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; #if USE_8x2_TILE_BACKEND if (useAlternateOffset) { - for (uint32_t rt = 0; rt < NumRT; ++rt) + for (uint32_t rt = 0; rt < state.psState.numRenderTargets; ++rt) { - pColorBase[rt] += (2 * KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; + pColorBuffer[rt] += (2 * KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; } } #else - for (uint32_t rt = 0; rt < NumRT; ++rt) + for (uint32_t rt = 0; rt < state.psState.numRenderTargets; ++rt) { - pColorBase[rt] += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; + pColorBuffer[rt] += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; } #endif + pDepthBuffer += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; + pStencilBuffer += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; + AR_END(BEEndTile, 0); + + psContext.vX.UL = _simd_add_ps(psContext.vX.UL, dx); + psContext.vX.center = _simd_add_ps(psContext.vX.center, dx); } + + psContext.vY.UL = _simd_add_ps(psContext.vY.UL, dy); + psContext.vY.center = _simd_add_ps(psContext.vY.center, dy); } + AR_END(BESampleRateBackend, 0); } @@ -930,62 +859,33 @@ void BackendPixelRate(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_t AR_BEGIN(BEPixelRateBackend, pDC->drawId); AR_BEGIN(BESetup, pDC->drawId); - const API_STATE& state = GetApiState(pDC); - const SWR_RASTSTATE& rastState = state.rastState; - const SWR_PS_STATE *pPSState = &state.psState; - const SWR_BLEND_STATE *pBlendState = &state.blendState; + const API_STATE &state = GetApiState(pDC); - // broadcast scalars BarycentricCoeffs coeffs; - coeffs.vIa = _simd_broadcast_ss(&work.I[0]); - coeffs.vIb = _simd_broadcast_ss(&work.I[1]); - coeffs.vIc = _simd_broadcast_ss(&work.I[2]); + SetupBarycentricCoeffs(&coeffs, work); - coeffs.vJa = _simd_broadcast_ss(&work.J[0]); - coeffs.vJb = _simd_broadcast_ss(&work.J[1]); - coeffs.vJc = _simd_broadcast_ss(&work.J[2]); + uint8_t *pColorBuffer[SWR_NUM_RENDERTARGETS], *pDepthBuffer, *pStencilBuffer; + SetupRenderBuffers(pColorBuffer, &pDepthBuffer, &pStencilBuffer, state.psState.numRenderTargets, renderBuffers); - coeffs.vZa = _simd_broadcast_ss(&work.Z[0]); - coeffs.vZb = _simd_broadcast_ss(&work.Z[1]); - coeffs.vZc = _simd_broadcast_ss(&work.Z[2]); + SWR_PS_CONTEXT psContext; + SetupPixelShaderContext(&psContext, work); - coeffs.vRecipDet = _simd_broadcast_ss(&work.recipDet); + AR_END(BESetup, 0); - coeffs.vAOneOverW = _simd_broadcast_ss(&work.OneOverW[0]); - coeffs.vBOneOverW = _simd_broadcast_ss(&work.OneOverW[1]); - coeffs.vCOneOverW = _simd_broadcast_ss(&work.OneOverW[2]); + PixelRateZTestLoop PixelRateZTest(pDC, workerId, work, coeffs, state, pDepthBuffer, pStencilBuffer, state.rastState.clipDistanceMask); - uint8_t *pColorBase[SWR_NUM_RENDERTARGETS]; - uint32_t NumRT = state.psState.numRenderTargets; - for(uint32_t rt = 0; rt < NumRT; ++rt) - { - pColorBase[rt] = renderBuffers.pColor[rt]; - } - uint8_t *pDepthBase = renderBuffers.pDepth, *pStencilBase = renderBuffers.pStencil; - AR_END(BESetup, 0); + psContext.vY.UL = _simd_add_ps(vULOffsetsY, _simd_set1_ps(static_cast(y))); + psContext.vY.center = _simd_add_ps(vCenterOffsetsY, _simd_set1_ps(static_cast(y))); - SWR_PS_CONTEXT psContext; - psContext.pAttribs = work.pAttribs; - psContext.pPerspAttribs = work.pPerspAttribs; - psContext.frontFace = work.triFlags.frontFacing; - psContext.primID = work.triFlags.primID; - psContext.pRecipW = work.pRecipW; - // save Ia/Ib/Ic and Ja/Jb/Jc if we need to reevaluate i/j/k in the shader because of pull attribs - psContext.I = work.I; - psContext.J = work.J; - psContext.recipDet = work.recipDet; - psContext.pSamplePosX = (const float*)&T::MultisampleT::samplePosX; - psContext.pSamplePosY = (const float*)&T::MultisampleT::samplePosY; - psContext.rasterizerSampleCount = T::MultisampleT::numSamples; - - psContext.sampleIndex = 0; - - PixelRateZTestLoop PixelRateZTest(pDC, workerId, work, coeffs, state, pDepthBase, pStencilBase, rastState.clipDistanceMask); + const simdscalar dy = _simd_set1_ps(static_cast(SIMD_TILE_Y_DIM)); for(uint32_t yy = y; yy < y + KNOB_TILE_Y_DIM; yy += SIMD_TILE_Y_DIM) { - psContext.vY.UL = _simd_add_ps(vULOffsetsY, _simd_set1_ps((float)yy)); - psContext.vY.center = _simd_add_ps(vCenterOffsetsY, _simd_set1_ps((float)yy)); + psContext.vX.UL = _simd_add_ps(vULOffsetsX, _simd_set1_ps(static_cast(x))); + psContext.vX.center = _simd_add_ps(vCenterOffsetsX, _simd_set1_ps(static_cast(x))); + + const simdscalar dx = _simd_set1_ps(static_cast(SIMD_TILE_X_DIM)); + for(uint32_t xx = x; xx < x + KNOB_TILE_X_DIM; xx += SIMD_TILE_X_DIM) { #if USE_8x2_TILE_BACKEND @@ -996,48 +896,25 @@ void BackendPixelRate(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_t if(!(work.anyCoveredSamples & MASK)) {goto Endtile;}; activeLanes = vMask(work.anyCoveredSamples & MASK); - psContext.vX.UL = _simd_add_ps(vULOffsetsX, _simd_set1_ps((float)xx)); - // set pixel center positions - psContext.vX.center = _simd_add_ps(vCenterOffsetsX, _simd_set1_ps((float)xx)); - - AR_BEGIN(BEBarycentric, pDC->drawId); - CalcPixelBarycentrics(coeffs, psContext); - AR_END(BEBarycentric, 0); - if (T::InputCoverage != SWR_INPUT_COVERAGE_NONE) { - const uint64_t* pCoverageMask = (T::InputCoverage == SWR_INPUT_COVERAGE_INNER_CONSERVATIVE) ? &work.innerCoverageMask : - &work.coverageMask[0]; - generateInputCoverage(pCoverageMask, psContext.inputMask, pBlendState->sampleMask); + const uint64_t* pCoverageMask = (T::InputCoverage == SWR_INPUT_COVERAGE_INNER_CONSERVATIVE) ? &work.innerCoverageMask : &work.coverageMask[0]; + + generateInputCoverage(pCoverageMask, psContext.inputMask, state.blendState.sampleMask); } - if(T::bCentroidPos) - { - ///@ todo: don't need to genererate input coverage 2x if input coverage and centroid - AR_BEGIN(BEBarycentric, pDC->drawId); - if(T::bIsStandardPattern) - { - CalcCentroidPos(psContext, &work.coverageMask[0], pBlendState->sampleMask, psContext.vX.UL, psContext.vY.UL); - } - else - { - psContext.vX.centroid = _simd_add_ps(psContext.vX.UL, _simd_set1_ps(0.5f)); - psContext.vY.centroid = _simd_add_ps(psContext.vY.UL, _simd_set1_ps(0.5f)); - } + AR_BEGIN(BEBarycentric, pDC->drawId); - CalcCentroidBarycentrics(coeffs, psContext, psContext.vX.UL, psContext.vY.UL); - AR_END(BEBarycentric, 0); - } - else - { - psContext.vX.centroid = _simd_add_ps(psContext.vX.UL, _simd_set1_ps(0.5f)); - psContext.vY.centroid = _simd_add_ps(psContext.vY.UL, _simd_set1_ps(0.5f)); - } + CalcPixelBarycentrics(coeffs, psContext); + + CalcCentroid(&psContext, coeffs, work.coverageMask, state.blendState.sampleMask); + + AR_END(BEBarycentric, 0); if(T::bForcedSampleCount) { // candidate pixels (that passed coverage) will cause shader invocation if any bits in the samplemask are set - const simdscalar vSampleMask = _simd_castsi_ps(_simd_cmpgt_epi32(_simd_set1_epi32(pBlendState->sampleMask), _simd_setzero_si())); + const simdscalar vSampleMask = _simd_castsi_ps(_simd_cmpgt_epi32(_simd_set1_epi32(state.blendState.sampleMask), _simd_setzero_si())); activeLanes = _simd_and_ps(activeLanes, vSampleMask); } @@ -1051,7 +928,7 @@ void BackendPixelRate(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_t // if we have no covered samples that passed depth at this point, go to next tile if(!_simd_movemask_ps(activeLanes)) { goto Endtile; }; - if(pPSState->usesSourceDepth) + if(state.psState.usesSourceDepth) { AR_BEGIN(BEBarycentric, pDC->drawId); // interpolate and quantize z @@ -1086,7 +963,7 @@ void BackendPixelRate(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_t // output merger // loop over all samples, broadcasting the results of the PS to all passing pixels - for(uint32_t sample = 0; sample < GetNumOMSamples(pBlendState->sampleCount); sample++) + for(uint32_t sample = 0; sample < GetNumOMSamples(state.blendState.sampleCount); sample++) { AR_BEGIN(BEOutputMerger, pDC->drawId); // center pattern does a single coverage/depth/stencil test, standard pattern tests all samples @@ -1110,15 +987,15 @@ void BackendPixelRate(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_t // broadcast the results of the PS to all passing pixels #if USE_8x2_TILE_BACKEND - OutputMerger(psContext, pColorBase, sample, pBlendState, state.pfnBlendFunc, coverageMask, depthMask, pPSState->numRenderTargets, useAlternateOffset); + OutputMerger(psContext, pColorBuffer, sample, &state.blendState, state.pfnBlendFunc, coverageMask, depthMask, state.psState.numRenderTargets, useAlternateOffset); #else - OutputMerger(psContext, pColorBase, sample, pBlendState, state.pfnBlendFunc, coverageMask, depthMask, pPSState->numRenderTargets); + OutputMerger(psContext, pColorBuffer, sample, &state.blendState, state.pfnBlendFunc, coverageMask, depthMask, state.psState.numRenderTargets); #endif - if(!pPSState->forceEarlyZ && !T::bForcedSampleCount) + if(!state.psState.forceEarlyZ && !T::bForcedSampleCount) { - uint8_t *pDepthSample = pDepthBase + RasterTileDepthOffset(sample); - uint8_t * pStencilSample = pStencilBase + RasterTileStencilOffset(sample); + uint8_t *pDepthSample = pDepthBuffer + RasterTileDepthOffset(sample); + uint8_t * pStencilSample = pStencilBuffer + RasterTileStencilOffset(sample); DepthStencilWrite(&state.vp[work.triFlags.viewportIndex], &state.depthStencilState, work.triFlags.frontFacing, PixelRateZTest.vZ[coverageSampleNum], pDepthSample, depthMask, coverageMask, pStencilSample, PixelRateZTest.stencilPassMask[coverageSampleNum]); @@ -1127,6 +1004,7 @@ void BackendPixelRate(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_t } Endtile: AR_BEGIN(BEEndTile, pDC->drawId); + for(uint32_t sample = 0; sample < T::MultisampleT::numCoverageSamples; sample++) { work.coverageMask[sample] >>= (SIMD_TILE_Y_DIM * SIMD_TILE_X_DIM); @@ -1137,26 +1015,34 @@ Endtile: work.innerCoverageMask >>= (SIMD_TILE_Y_DIM * SIMD_TILE_X_DIM); } work.anyCoveredSamples >>= (SIMD_TILE_Y_DIM * SIMD_TILE_X_DIM); - pDepthBase += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; - pStencilBase += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; #if USE_8x2_TILE_BACKEND if (useAlternateOffset) { - for (uint32_t rt = 0; rt < NumRT; ++rt) + for (uint32_t rt = 0; rt < state.psState.numRenderTargets; ++rt) { - pColorBase[rt] += (2 * KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; + pColorBuffer[rt] += (2 * KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; } } #else - for(uint32_t rt = 0; rt < NumRT; ++rt) + for(uint32_t rt = 0; rt < state.psState.numRenderTargets; ++rt) { - pColorBase[rt] += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; + pColorBuffer[rt] += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; } + pDepthBuffer += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; + pStencilBuffer += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; #endif + AR_END(BEEndTile, 0); + + psContext.vX.UL = _simd_add_ps(psContext.vX.UL, dx); + psContext.vX.center = _simd_add_ps(psContext.vX.center, dx); } + + psContext.vY.UL = _simd_add_ps(psContext.vY.UL, dy); + psContext.vY.center = _simd_add_ps(psContext.vY.center, dy); } + AR_END(BEPixelRateBackend, 0); } // optimized backend flow with NULL PS @@ -1170,50 +1056,60 @@ void BackendNullPS(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_t y, typedef SwrBackendTraits T; AR_BEGIN(BESetup, pDC->drawId); - const API_STATE& state = GetApiState(pDC); - const SWR_RASTSTATE& rastState = pDC->pState->state.rastState; + const API_STATE &state = GetApiState(pDC); - // broadcast scalars BarycentricCoeffs coeffs; - coeffs.vIa = _simd_broadcast_ss(&work.I[0]); - coeffs.vIb = _simd_broadcast_ss(&work.I[1]); - coeffs.vIc = _simd_broadcast_ss(&work.I[2]); + SetupBarycentricCoeffs(&coeffs, work); - coeffs.vJa = _simd_broadcast_ss(&work.J[0]); - coeffs.vJb = _simd_broadcast_ss(&work.J[1]); - coeffs.vJc = _simd_broadcast_ss(&work.J[2]); + uint8_t *pDepthBuffer, *pStencilBuffer; + SetupRenderBuffers(NULL, &pDepthBuffer, &pStencilBuffer, 0, renderBuffers); - coeffs.vZa = _simd_broadcast_ss(&work.Z[0]); - coeffs.vZb = _simd_broadcast_ss(&work.Z[1]); - coeffs.vZc = _simd_broadcast_ss(&work.Z[2]); + SWR_PS_CONTEXT psContext; + // skip SetupPixelShaderContext(&psContext, ...); // not needed here - coeffs.vRecipDet = _simd_broadcast_ss(&work.recipDet); + AR_END(BESetup, 0); - uint8_t *pDepthBase = renderBuffers.pDepth, *pStencilBase = renderBuffers.pStencil; + simdscalar vYSamplePosUL = _simd_add_ps(vULOffsetsY, _simd_set1_ps(static_cast(y))); - AR_END(BESetup, 0); + const simdscalar dy = _simd_set1_ps(static_cast(SIMD_TILE_Y_DIM)); - SWR_PS_CONTEXT psContext; for (uint32_t yy = y; yy < y + KNOB_TILE_Y_DIM; yy += SIMD_TILE_Y_DIM) { - // UL pixel corner - simdscalar vYSamplePosUL = _simd_add_ps(vULOffsetsY, _simd_set1_ps((float)yy)); + simdscalar vXSamplePosUL = _simd_add_ps(vULOffsetsX, _simd_set1_ps(static_cast(x))); + + const simdscalar dx = _simd_set1_ps(static_cast(SIMD_TILE_X_DIM)); for (uint32_t xx = x; xx < x + KNOB_TILE_X_DIM; xx += SIMD_TILE_X_DIM) { - // UL pixel corners - simdscalar vXSamplePosUL = _simd_add_ps(vULOffsetsX, _simd_set1_ps((float)xx)); - // iterate over active samples unsigned long sample = 0; uint32_t sampleMask = state.blendState.sampleMask; while (_BitScanForward(&sample, sampleMask)) { sampleMask &= ~(1 << sample); + simdmask coverageMask = work.coverageMask[sample] & MASK; + if (coverageMask) { + // offset depth/stencil buffers current sample + uint8_t *pDepthSample = pDepthBuffer + RasterTileDepthOffset(sample); + uint8_t *pStencilSample = pStencilBuffer + RasterTileStencilOffset(sample); + + if (state.depthHottileEnable && state.depthBoundsState.depthBoundsTestEnable) + { + static_assert(KNOB_DEPTH_HOT_TILE_FORMAT == R32_FLOAT, "Unsupported depth hot tile format"); + + const simdscalar z = _simd_load_ps(reinterpret_cast(pDepthSample)); + + const float minz = state.depthBoundsState.depthBoundsTestMinValue; + const float maxz = state.depthBoundsState.depthBoundsTestMaxValue; + + coverageMask &= CalcDepthBoundsAcceptMask(z, minz, maxz); + } + AR_BEGIN(BEBarycentric, pDC->drawId); + // calculate per sample positions psContext.vX.sample = _simd_add_ps(vXSamplePosUL, T::MultisampleT::vX(sample)); psContext.vY.sample = _simd_add_ps(vYSamplePosUL, T::MultisampleT::vY(sample)); @@ -1227,26 +1123,9 @@ void BackendNullPS(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_t y, AR_END(BEBarycentric, 0); // interpolate user clip distance if available - if (rastState.clipDistanceMask) + if (state.rastState.clipDistanceMask) { - coverageMask &= ~ComputeUserClipMask(rastState.clipDistanceMask, work.pUserClipBuffer, - psContext.vI.sample, psContext.vJ.sample); - } - - // offset depth/stencil buffers current sample - uint8_t *pDepthSample = pDepthBase + RasterTileDepthOffset(sample); - uint8_t *pStencilSample = pStencilBase + RasterTileStencilOffset(sample); - - if (state.depthHottileEnable && state.depthBoundsState.depthBoundsTestEnable) - { - static_assert(KNOB_DEPTH_HOT_TILE_FORMAT == R32_FLOAT, "Unsupported depth hot tile format"); - - const simdscalar z = _simd_load_ps(reinterpret_cast(pDepthSample)); - - const float minz = state.depthBoundsState.depthBoundsTestMinValue; - const float maxz = state.depthBoundsState.depthBoundsTestMaxValue; - - coverageMask &= CalcDepthBoundsAcceptMask(z, minz, maxz); + coverageMask &= ~ComputeUserClipMask(state.rastState.clipDistanceMask, work.pUserClipBuffer, psContext.vI.sample, psContext.vJ.sample); } simdscalar vCoverageMask = vMask(coverageMask); @@ -1268,10 +1147,16 @@ Endtile: ATTR_UNUSED; work.coverageMask[sample] >>= (SIMD_TILE_Y_DIM * SIMD_TILE_X_DIM); } - pDepthBase += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; - pStencilBase += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; + + pDepthBuffer += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; + pStencilBuffer += (KNOB_SIMD_WIDTH * FormatTraits::bpp) / 8; + + vXSamplePosUL = _simd_add_ps(vXSamplePosUL, dx); } + + vYSamplePosUL = _simd_add_ps(vYSamplePosUL, dy); } + AR_END(BENullBackend, 0); } diff --git a/src/gallium/drivers/swr/rasterizer/core/backend.h b/src/gallium/drivers/swr/rasterizer/core/backend.h index 53222eabccd..dc0be906357 100644 --- a/src/gallium/drivers/swr/rasterizer/core/backend.h +++ b/src/gallium/drivers/swr/rasterizer/core/backend.h @@ -438,13 +438,117 @@ INLINE uint32_t GetNumOMSamples(SWR_MULTISAMPLE_COUNT blendSampleCount) } } +inline void SetupBarycentricCoeffs(BarycentricCoeffs *coeffs, const SWR_TRIANGLE_DESC &work) +{ + // broadcast scalars + + coeffs->vIa = _simd_broadcast_ss(&work.I[0]); + coeffs->vIb = _simd_broadcast_ss(&work.I[1]); + coeffs->vIc = _simd_broadcast_ss(&work.I[2]); + + coeffs->vJa = _simd_broadcast_ss(&work.J[0]); + coeffs->vJb = _simd_broadcast_ss(&work.J[1]); + coeffs->vJc = _simd_broadcast_ss(&work.J[2]); + + coeffs->vZa = _simd_broadcast_ss(&work.Z[0]); + coeffs->vZb = _simd_broadcast_ss(&work.Z[1]); + coeffs->vZc = _simd_broadcast_ss(&work.Z[2]); + + coeffs->vRecipDet = _simd_broadcast_ss(&work.recipDet); + + coeffs->vAOneOverW = _simd_broadcast_ss(&work.OneOverW[0]); + coeffs->vBOneOverW = _simd_broadcast_ss(&work.OneOverW[1]); + coeffs->vCOneOverW = _simd_broadcast_ss(&work.OneOverW[2]); +} + +inline void SetupRenderBuffers(uint8_t *pColorBuffer[SWR_NUM_RENDERTARGETS], uint8_t **pDepthBuffer, uint8_t **pStencilBuffer, uint32_t colorBufferCount, RenderOutputBuffers &renderBuffers) +{ + SWR_ASSERT(colorBufferCount <= SWR_NUM_RENDERTARGETS); + + if (pColorBuffer) + { + for (uint32_t index = 0; index < colorBufferCount; index += 1) + { + pColorBuffer[index] = renderBuffers.pColor[index]; + } + } + + if (pDepthBuffer) + { + *pDepthBuffer = renderBuffers.pDepth; + } + + if (pStencilBuffer) + { + *pStencilBuffer = renderBuffers.pStencil;; + } +} + +template +void SetupPixelShaderContext(SWR_PS_CONTEXT *psContext, const SWR_TRIANGLE_DESC &work) +{ + psContext->pAttribs = work.pAttribs; + psContext->pPerspAttribs = work.pPerspAttribs; + psContext->frontFace = work.triFlags.frontFacing; + psContext->primID = work.triFlags.primID; + + // save Ia/Ib/Ic and Ja/Jb/Jc if we need to reevaluate i/j/k in the shader because of pull attribs + psContext->I = work.I; + psContext->J = work.J; + + psContext->recipDet = work.recipDet; + psContext->pRecipW = work.pRecipW; + psContext->pSamplePosX = reinterpret_cast(&T::MultisampleT::samplePosX); + psContext->pSamplePosY = reinterpret_cast(&T::MultisampleT::samplePosY); + psContext->rasterizerSampleCount = T::MultisampleT::numSamples; + psContext->sampleIndex = 0; +} + +template +void CalcCentroid(SWR_PS_CONTEXT *psContext, const BarycentricCoeffs &coeffs, const uint64_t * const coverageMask, uint32_t sampleMask) +{ + if (IsSingleSample) // if (T::MultisampleT::numSamples == 1) // doesn't cut it, the centroid positions are still different + { + // for 1x case, centroid is pixel center + psContext->vX.centroid = psContext->vX.center; + psContext->vY.centroid = psContext->vY.center; + psContext->vI.centroid = psContext->vI.center; + psContext->vJ.centroid = psContext->vJ.center; + psContext->vOneOverW.centroid = psContext->vOneOverW.center; + } + else + { + if (T::bCentroidPos) + { + ///@ todo: don't need to genererate input coverage 2x if input coverage and centroid + if (T::bIsStandardPattern) + { + // add param: const uint32_t inputMask[KNOB_SIMD_WIDTH] to eliminate 'generate coverage 2X'.. + CalcCentroidPos(*psContext, coverageMask, sampleMask, psContext->vX.UL, psContext->vY.UL); + } + else + { + psContext->vX.centroid = _simd_add_ps(psContext->vX.UL, _simd_set1_ps(0.5f)); + psContext->vY.centroid = _simd_add_ps(psContext->vY.UL, _simd_set1_ps(0.5f)); + } + + CalcCentroidBarycentrics(coeffs, *psContext, psContext->vX.UL, psContext->vY.UL); + } + else + { + psContext->vX.centroid = psContext->vX.sample; + psContext->vY.centroid = psContext->vY.sample; + } + } +} + template struct PixelRateZTestLoop { PixelRateZTestLoop(DRAW_CONTEXT *DC, uint32_t _workerId, const SWR_TRIANGLE_DESC &Work, const BarycentricCoeffs& Coeffs, const API_STATE& apiState, - uint8_t*& depthBase, uint8_t*& stencilBase, const uint8_t ClipDistanceMask) : + uint8_t*& depthBuffer, uint8_t*& stencilBuffer, const uint8_t ClipDistanceMask) : pDC(DC), workerId(_workerId), work(Work), coeffs(Coeffs), state(apiState), psState(apiState.psState), - clipDistanceMask(ClipDistanceMask), pDepthBase(depthBase), pStencilBase(stencilBase) {}; + clipDistanceMask(ClipDistanceMask), pDepthBuffer(depthBuffer), pStencilBuffer(stencilBuffer) {}; INLINE uint32_t operator()(simdscalar& activeLanes, SWR_PS_CONTEXT& psContext, @@ -465,7 +569,24 @@ struct PixelRateZTestLoop continue; } + // offset depth/stencil buffers current sample + uint8_t *pDepthSample = pDepthBuffer + RasterTileDepthOffset(sample); + uint8_t * pStencilSample = pStencilBuffer + RasterTileStencilOffset(sample); + + if (state.depthHottileEnable && state.depthBoundsState.depthBoundsTestEnable) + { + static_assert(KNOB_DEPTH_HOT_TILE_FORMAT == R32_FLOAT, "Unsupported depth hot tile format"); + + const simdscalar z = _simd_load_ps(reinterpret_cast(pDepthSample)); + + const float minz = state.depthBoundsState.depthBoundsTestMinValue; + const float maxz = state.depthBoundsState.depthBoundsTestMaxValue; + + vCoverageMask[sample] = _simd_and_ps(vCoverageMask[sample], vMask(CalcDepthBoundsAcceptMask(z, minz, maxz))); + } + AR_BEGIN(BEBarycentric, pDC->drawId); + // calculate per sample positions psContext.vX.sample = _simd_add_ps(psContext.vX.UL, T::MultisampleT::vX(sample)); psContext.vY.sample = _simd_add_ps(psContext.vY.UL, T::MultisampleT::vY(sample)); @@ -483,31 +604,16 @@ struct PixelRateZTestLoop vZ[sample] = vplaneps(coeffs.vZa, coeffs.vZb, coeffs.vZc, psContext.vI.sample, psContext.vJ.sample); vZ[sample] = state.pfnQuantizeDepth(vZ[sample]); } + AR_END(BEBarycentric, 0); ///@todo: perspective correct vs non-perspective correct clipping? // if clip distances are enabled, we need to interpolate for each sample if(clipDistanceMask) { - uint8_t clipMask = ComputeUserClipMask(clipDistanceMask, work.pUserClipBuffer, - psContext.vI.sample, psContext.vJ.sample); - vCoverageMask[sample] = _simd_and_ps(vCoverageMask[sample], vMask(~clipMask)); - } - - // offset depth/stencil buffers current sample - uint8_t *pDepthSample = pDepthBase + RasterTileDepthOffset(sample); - uint8_t * pStencilSample = pStencilBase + RasterTileStencilOffset(sample); + uint8_t clipMask = ComputeUserClipMask(clipDistanceMask, work.pUserClipBuffer, psContext.vI.sample, psContext.vJ.sample); - if (state.depthHottileEnable && state.depthBoundsState.depthBoundsTestEnable) - { - static_assert(KNOB_DEPTH_HOT_TILE_FORMAT == R32_FLOAT, "Unsupported depth hot tile format"); - - const simdscalar z = _simd_load_ps(reinterpret_cast(pDepthSample)); - - const float minz = state.depthBoundsState.depthBoundsTestMinValue; - const float maxz = state.depthBoundsState.depthBoundsTestMaxValue; - - vCoverageMask[sample] = _simd_and_ps(vCoverageMask[sample], vMask(CalcDepthBoundsAcceptMask(z, minz, maxz))); + vCoverageMask[sample] = _simd_and_ps(vCoverageMask[sample], vMask(~clipMask)); } // ZTest for this sample @@ -557,8 +663,8 @@ private: const API_STATE& state; const SWR_PS_STATE& psState; const uint8_t clipDistanceMask; - uint8_t*& pDepthBase; - uint8_t*& pStencilBase; + uint8_t*& pDepthBuffer; + uint8_t*& pStencilBuffer; }; INLINE void CalcPixelBarycentrics(const BarycentricCoeffs& coeffs, SWR_PS_CONTEXT &psContext) -- 2.30.2