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swr: [rasterizer core] Refactor/cleanup backends 

Used for common code reuse and simplification

Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>
This commit is contained in:
George Kyriazis 2016-10-18 15:42:33 -05:00 committed by Tim Rowley
parent 78a0a09e48
commit 06f93d0329
2 changed files with 366 additions and 375 deletions
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591
src/gallium/drivers/swr/rasterizer/core/backend.cpp
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@ -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]);
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]);
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]);
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);
uint8_t *pColorBuffer[SWR_NUM_RENDERTARGETS], *pDepthBuffer, *pStencilBuffer;
SetupRenderBuffers(pColorBuffer, &pDepthBuffer, &pStencilBuffer, state.psState.numRenderTargets, renderBuffers);
SWR_PS_CONTEXT psContext;
psContext.pAttribs = work.pAttribs;
psContext.pPerspAttribs = work.pPerspAttribs;
psContext.frontFace = work.triFlags.frontFacing;
psContext.primID = work.triFlags.primID;
SetupPixelShaderContext<T>(&psContext, work);
// 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;
AR_END(BESetup, 1);
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(static_cast<float>(y)));
psContext.vY.center = _simd_add_ps(vCenterOffsetsY, _simd_set1_ps(static_cast<float>(y)));
const simdscalar dy = _simd_set1_ps(static_cast<float>(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<float>(x)));
psContext.vX.center = _simd_add_ps(vCenterOffsetsX, _simd_set1_ps(static_cast<float>(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<float>(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(T::InputCoverage != SWR_INPUT_COVERAGE_NONE)
{
const uint64_t* pCoverageMask = (T::InputCoverage == SWR_INPUT_COVERAGE_INNER_CONSERVATIVE) ? &work.innerCoverageMask :
&work.coverageMask[0];
generateInputCoverage<T, T::InputCoverage>(pCoverageMask, psContext.inputMask, pBlendState->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;
// 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)
{
static_assert(KNOB_DEPTH_HOT_TILE_FORMAT == R32_FLOAT, "Unsupported depth hot tile format");
const simdscalar z = _simd_load_ps(reinterpret_cast<const float *>(pDepthBase));
const simdscalar z = _simd_load_ps(reinterpret_cast<const float *>(pDepthBuffer));
const float minz = state.depthBoundsState.depthBoundsTestMinValue;
const float maxz = state.depthBoundsState.depthBoundsTestMaxValue;
clipCoverageMask &= CalcDepthBoundsAcceptMask(z, minz, maxz);
coverageMask &= CalcDepthBoundsAcceptMask(z, minz, maxz);
}
simdscalar vCoverageMask = vMask(clipCoverageMask);
if (T::InputCoverage != SWR_INPUT_COVERAGE_NONE)
{
const uint64_t* pCoverageMask = (T::InputCoverage == SWR_INPUT_COVERAGE_INNER_CONSERVATIVE) ? &work.innerCoverageMask : &work.coverageMask[0];
generateInputCoverage<T, T::InputCoverage>(pCoverageMask, psContext.inputMask, state.blendState.sampleMask);
}
AR_BEGIN(BEBarycentric, pDC->drawId);
CalcPixelBarycentrics(coeffs, psContext);
CalcCentroid<T, true>(&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);
// interpolate user clip distance if available
if (state.rastState.clipDistanceMask)
{
coverageMask &= ~ComputeUserClipMask(state.rastState.clipDistanceMask, work.pUserClipBuffer, psContext.vI.center, psContext.vJ.center);
}
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<KNOB_DEPTH_HOT_TILE_FORMAT>::bpp) / 8;
pStencilBase += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_STENCIL_HOT_TILE_FORMAT>::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<KNOB_COLOR_HOT_TILE_FORMAT>::bpp) / 8;
pColorBuffer[rt] += (2 * KNOB_SIMD_WIDTH * FormatTraits<KNOB_COLOR_HOT_TILE_FORMAT>::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<KNOB_COLOR_HOT_TILE_FORMAT>::bpp) / 8;
pColorBuffer[rt] += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_COLOR_HOT_TILE_FORMAT>::bpp) / 8;
}
#endif
pDepthBuffer += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_DEPTH_HOT_TILE_FORMAT>::bpp) / 8;
pStencilBuffer += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_STENCIL_HOT_TILE_FORMAT>::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);
}
@ -674,132 +644,61 @@ 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]);
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]);
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);
uint8_t *pColorBuffer[SWR_NUM_RENDERTARGETS], *pDepthBuffer, *pStencilBuffer;
SetupRenderBuffers(pColorBuffer, &pDepthBuffer, &pStencilBuffer, state.psState.numRenderTargets, renderBuffers);
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;
SetupPixelShaderContext<T>(&psContext, work);
// 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;
AR_END(BESetup, 0);
psContext.vY.UL = _simd_add_ps(vULOffsetsY, _simd_set1_ps(static_cast<float>(y)));
psContext.vY.center = _simd_add_ps(vCenterOffsetsY, _simd_set1_ps(static_cast<float>(y)));
const simdscalar dy = _simd_set1_ps(static_cast<float>(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<float>(x)));
psContext.vX.center = _simd_add_ps(vCenterOffsetsX, _simd_set1_ps(static_cast<float>(x)));
const simdscalar dx = _simd_set1_ps(static_cast<float>(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<T, T::InputCoverage>(pCoverageMask, psContext.inputMask, state.blendState.sampleMask);
}
AR_BEGIN(BEBarycentric, pDC->drawId);
CalcPixelBarycentrics(coeffs, psContext);
CalcCentroid<T, false>(&psContext, coeffs, work.coverageMask, state.blendState.sampleMask);
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<T, T::InputCoverage>(pCoverageMask, psContext.inputMask, pBlendState->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<T>(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;
}
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)
{
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));
CalcSampleBarycentrics(coeffs, psContext);
// 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)
{
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);
uint8_t *pDepthSample = pDepthBuffer + RasterTileDepthOffset(sample);
uint8_t *pStencilSample = pStencilBuffer + RasterTileStencilOffset(sample);
if (state.depthHottileEnable && state.depthBoundsState.depthBoundsTestEnable)
{
@ -813,6 +712,26 @@ void BackendSampleRate(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t x, uint32_
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));
CalcSampleBarycentrics(coeffs, psContext);
// 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 (state.rastState.clipDistanceMask)
{
coverageMask &= ~ComputeUserClipMask(state.rastState.clipDistanceMask, work.pUserClipBuffer, psContext.vI.sample, psContext.vJ.sample);
}
simdscalar vCoverageMask = vMask(coverageMask);
simdscalar depthPassMask = vCoverageMask;
simdscalar stencilPassMask = vCoverageMask;
@ -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<KNOB_DEPTH_HOT_TILE_FORMAT>::bpp) / 8;
pStencilBase += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_STENCIL_HOT_TILE_FORMAT>::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<KNOB_COLOR_HOT_TILE_FORMAT>::bpp) / 8;
pColorBuffer[rt] += (2 * KNOB_SIMD_WIDTH * FormatTraits<KNOB_COLOR_HOT_TILE_FORMAT>::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<KNOB_COLOR_HOT_TILE_FORMAT>::bpp) / 8;
pColorBuffer[rt] += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_COLOR_HOT_TILE_FORMAT>::bpp) / 8;
}
#endif
pDepthBuffer += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_DEPTH_HOT_TILE_FORMAT>::bpp) / 8;
pStencilBuffer += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_STENCIL_HOT_TILE_FORMAT>::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]);
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]);
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);
uint8_t *pColorBuffer[SWR_NUM_RENDERTARGETS], *pDepthBuffer, *pStencilBuffer;
SetupRenderBuffers(pColorBuffer, &pDepthBuffer, &pStencilBuffer, state.psState.numRenderTargets, renderBuffers);
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;
SetupPixelShaderContext<T>(&psContext, work);
psContext.sampleIndex = 0;
PixelRateZTestLoop<T> PixelRateZTest(pDC, workerId, work, coeffs, state, pDepthBase, pStencilBase, rastState.clipDistanceMask);
AR_END(BESetup, 0);
PixelRateZTestLoop<T> PixelRateZTest(pDC, workerId, work, coeffs, state, pDepthBuffer, pStencilBuffer, state.rastState.clipDistanceMask);
psContext.vY.UL = _simd_add_ps(vULOffsetsY, _simd_set1_ps(static_cast<float>(y)));
psContext.vY.center = _simd_add_ps(vCenterOffsetsY, _simd_set1_ps(static_cast<float>(y)));
const simdscalar dy = _simd_set1_ps(static_cast<float>(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<float>(x)));
psContext.vX.center = _simd_add_ps(vCenterOffsetsX, _simd_set1_ps(static_cast<float>(x)));
const simdscalar dx = _simd_set1_ps(static_cast<float>(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<T, T::InputCoverage>(pCoverageMask, psContext.inputMask, pBlendState->sampleMask);
const uint64_t* pCoverageMask = (T::InputCoverage == SWR_INPUT_COVERAGE_INNER_CONSERVATIVE) ? &work.innerCoverageMask : &work.coverageMask[0];
generateInputCoverage<T, T::InputCoverage>(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<T>(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<T, false>(&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<T>(pBlendState->sampleCount); sample++)
for(uint32_t sample = 0; sample < GetNumOMSamples<T>(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<KNOB_DEPTH_HOT_TILE_FORMAT>::bpp) / 8;
pStencilBase += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_STENCIL_HOT_TILE_FORMAT>::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<KNOB_COLOR_HOT_TILE_FORMAT>::bpp) / 8;
pColorBuffer[rt] += (2 * KNOB_SIMD_WIDTH * FormatTraits<KNOB_COLOR_HOT_TILE_FORMAT>::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<KNOB_COLOR_HOT_TILE_FORMAT>::bpp) / 8;
pColorBuffer[rt] += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_COLOR_HOT_TILE_FORMAT>::bpp) / 8;
}
pDepthBuffer += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_DEPTH_HOT_TILE_FORMAT>::bpp) / 8;
pStencilBuffer += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_STENCIL_HOT_TILE_FORMAT>::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<sampleCountT, SWR_MSAA_STANDARD_PATTERN> 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]);
coeffs.vRecipDet = _simd_broadcast_ss(&work.recipDet);
uint8_t *pDepthBase = renderBuffers.pDepth, *pStencilBase = renderBuffers.pStencil;
SWR_PS_CONTEXT psContext;
// skip SetupPixelShaderContext(&psContext, ...); // not needed here
AR_END(BESetup, 0);
SWR_PS_CONTEXT psContext;
simdscalar vYSamplePosUL = _simd_add_ps(vULOffsetsY, _simd_set1_ps(static_cast<float>(y)));
const simdscalar dy = _simd_set1_ps(static_cast<float>(SIMD_TILE_Y_DIM));
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<float>(x)));
const simdscalar dx = _simd_set1_ps(static_cast<float>(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<const float *>(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<const float *>(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<KNOB_DEPTH_HOT_TILE_FORMAT>::bpp) / 8;
pStencilBase += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_STENCIL_HOT_TILE_FORMAT>::bpp) / 8;
pDepthBuffer += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_DEPTH_HOT_TILE_FORMAT>::bpp) / 8;
pStencilBuffer += (KNOB_SIMD_WIDTH * FormatTraits<KNOB_STENCIL_HOT_TILE_FORMAT>::bpp) / 8;
vXSamplePosUL = _simd_add_ps(vXSamplePosUL, dx);
}
vYSamplePosUL = _simd_add_ps(vYSamplePosUL, dy);
}
AR_END(BENullBackend, 0);
}

150
src/gallium/drivers/swr/rasterizer/core/backend.h
View File

@ -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<typename T>
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<const float *>(&T::MultisampleT::samplePosX);
psContext->pSamplePosY = reinterpret_cast<const float *>(&T::MultisampleT::samplePosY);
psContext->rasterizerSampleCount = T::MultisampleT::numSamples;
psContext->sampleIndex = 0;
}
template<typename T, bool IsSingleSample>
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<T>(*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<typename T>
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<const float *>(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));
@ -483,33 +604,18 @@ 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);
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);
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<const float *>(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)));
}
// ZTest for this sample
///@todo Need to uncomment out this bucket.
//AR_BEGIN(BEDepthBucket, pDC->drawId);
@ -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)