1 /****************************************************************************
2 * Copyright (C) 2014-2015 Intel Corporation. All Rights Reserved.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
25 * @brief Backend handles rasterization, pixel shading and output merger
28 ******************************************************************************/
30 #include <smmintrin.h>
32 #include "rdtsc_core.h"
34 #include "depthstencil.h"
36 #include "memory/tilingtraits.h"
37 #include "core/multisample.h"
41 const __m128 vTileOffsetsX
= {0.5, KNOB_TILE_X_DIM
- 0.5, 0.5, KNOB_TILE_X_DIM
- 0.5};
42 const __m128 vTileOffsetsY
= {0.5, 0.5, KNOB_TILE_Y_DIM
- 0.5, KNOB_TILE_Y_DIM
- 0.5};
44 /// @todo move to common lib
45 #define MASKTOVEC(i3,i2,i1,i0) {-i0,-i1,-i2,-i3}
46 static const __m128 gMaskToVec
[] = {
65 typedef void(*PFN_CLEAR_TILES
)(DRAW_CONTEXT
*, SWR_RENDERTARGET_ATTACHMENT rt
, uint32_t, DWORD
[4]);
66 static PFN_CLEAR_TILES sClearTilesTable
[NUM_SWR_FORMATS
];
68 //////////////////////////////////////////////////////////////////////////
69 /// @brief Process compute work.
70 /// @param pDC - pointer to draw context (dispatch).
71 /// @param workerId - The unique worker ID that is assigned to this thread.
72 /// @param threadGroupId - the linear index for the thread group within the dispatch.
73 void ProcessComputeBE(DRAW_CONTEXT
* pDC
, uint32_t workerId
, uint32_t threadGroupId
)
75 RDTSC_START(BEDispatch
);
77 SWR_CONTEXT
*pContext
= pDC
->pContext
;
79 const COMPUTE_DESC
* pTaskData
= (COMPUTE_DESC
*)pDC
->pDispatch
->GetTasksData();
80 SWR_ASSERT(pTaskData
!= nullptr);
82 // Ensure spill fill memory has been allocated.
83 if (pDC
->pSpillFill
[workerId
] == nullptr)
85 ///@todo Add state which indicates the spill fill size.
86 pDC
->pSpillFill
[workerId
] = (uint8_t*)pDC
->pArena
->AllocAlignedSync(4 * sizeof(MEGABYTE
), sizeof(float) * 8);
89 const API_STATE
& state
= GetApiState(pDC
);
91 SWR_CS_CONTEXT csContext
{ 0 };
92 csContext
.tileCounter
= threadGroupId
;
93 csContext
.dispatchDims
[0] = pTaskData
->threadGroupCountX
;
94 csContext
.dispatchDims
[1] = pTaskData
->threadGroupCountY
;
95 csContext
.dispatchDims
[2] = pTaskData
->threadGroupCountZ
;
96 csContext
.pTGSM
= pContext
->pScratch
[workerId
];
97 csContext
.pSpillFillBuffer
= pDC
->pSpillFill
[workerId
];
99 state
.pfnCsFunc(GetPrivateState(pDC
), &csContext
);
101 UPDATE_STAT(CsInvocations
, state
.totalThreadsInGroup
);
103 RDTSC_STOP(BEDispatch
, 1, 0);
106 void ProcessSyncBE(DRAW_CONTEXT
*pDC
, uint32_t workerId
, uint32_t macroTile
, void *pUserData
)
108 SYNC_DESC
*pSync
= (SYNC_DESC
*)pUserData
;
111 MacroTileMgr::getTileIndices(macroTile
, x
, y
);
112 SWR_ASSERT(x
== 0 && y
== 0);
114 if (pSync
->pfnCallbackFunc
!= nullptr)
116 pSync
->pfnCallbackFunc(pSync
->userData
, pSync
->userData2
, pSync
->userData3
);
120 void ProcessQueryStatsBE(DRAW_CONTEXT
*pDC
, uint32_t workerId
, uint32_t macroTile
, void *pUserData
)
122 QUERY_DESC
* pQueryDesc
= (QUERY_DESC
*)pUserData
;
123 SWR_STATS
* pStats
= pQueryDesc
->pStats
;
124 SWR_CONTEXT
*pContext
= pDC
->pContext
;
126 SWR_ASSERT(pStats
!= nullptr);
128 for (uint32_t i
= 0; i
< pContext
->NumWorkerThreads
; ++i
)
130 pStats
->DepthPassCount
+= pContext
->stats
[i
].DepthPassCount
;
132 pStats
->IaVertices
+= pContext
->stats
[i
].IaVertices
;
133 pStats
->IaPrimitives
+= pContext
->stats
[i
].IaPrimitives
;
134 pStats
->VsInvocations
+= pContext
->stats
[i
].VsInvocations
;
135 pStats
->HsInvocations
+= pContext
->stats
[i
].HsInvocations
;
136 pStats
->DsInvocations
+= pContext
->stats
[i
].DsInvocations
;
137 pStats
->GsInvocations
+= pContext
->stats
[i
].GsInvocations
;
138 pStats
->PsInvocations
+= pContext
->stats
[i
].PsInvocations
;
139 pStats
->CInvocations
+= pContext
->stats
[i
].CInvocations
;
140 pStats
->CsInvocations
+= pContext
->stats
[i
].CsInvocations
;
141 pStats
->CPrimitives
+= pContext
->stats
[i
].CPrimitives
;
142 pStats
->GsPrimitives
+= pContext
->stats
[i
].GsPrimitives
;
144 for (uint32_t stream
= 0; stream
< MAX_SO_STREAMS
; ++stream
)
146 pStats
->SoWriteOffset
[stream
] += pContext
->stats
[i
].SoWriteOffset
[stream
];
148 /// @note client is required to provide valid write offset before every draw, so we clear
149 /// out the contents of the write offset when storing stats
150 pContext
->stats
[i
].SoWriteOffset
[stream
] = 0;
152 pStats
->SoPrimStorageNeeded
[stream
] += pContext
->stats
[i
].SoPrimStorageNeeded
[stream
];
153 pStats
->SoNumPrimsWritten
[stream
] += pContext
->stats
[i
].SoNumPrimsWritten
[stream
];
158 template<SWR_FORMAT format
>
159 void ClearRasterTile(uint8_t *pTileBuffer
, simdvector
&value
)
161 auto lambda
= [&](int comp
)
163 FormatTraits
<format
>::storeSOA(comp
, pTileBuffer
, value
.v
[comp
]);
164 pTileBuffer
+= (KNOB_SIMD_WIDTH
* FormatTraits
<format
>::GetBPC(comp
) / 8);
167 const uint32_t numIter
= (KNOB_TILE_Y_DIM
/ SIMD_TILE_Y_DIM
) * (KNOB_TILE_X_DIM
/ SIMD_TILE_X_DIM
);
168 for (uint32_t i
= 0; i
< numIter
; ++i
)
170 UnrollerL
<0, FormatTraits
<format
>::numComps
, 1>::step(lambda
);
174 template<SWR_FORMAT format
>
175 INLINE
void ClearMacroTile(DRAW_CONTEXT
*pDC
, SWR_RENDERTARGET_ATTACHMENT rt
, uint32_t macroTile
, DWORD clear
[4])
177 // convert clear color to hottile format
178 // clear color is in RGBA float/uint32
180 for (uint32_t comp
= 0; comp
< FormatTraits
<format
>::numComps
; ++comp
)
183 vComp
= _simd_load1_ps((const float*)&clear
[comp
]);
184 if (FormatTraits
<format
>::isNormalized(comp
))
186 vComp
= _simd_mul_ps(vComp
, _simd_set1_ps(FormatTraits
<format
>::fromFloat(comp
)));
187 vComp
= _simd_castsi_ps(_simd_cvtps_epi32(vComp
));
189 vComp
= FormatTraits
<format
>::pack(comp
, vComp
);
190 vClear
.v
[FormatTraits
<format
>::swizzle(comp
)] = vComp
;
193 uint32_t tileX
, tileY
;
194 MacroTileMgr::getTileIndices(macroTile
, tileX
, tileY
);
195 const API_STATE
& state
= GetApiState(pDC
);
197 int top
= KNOB_MACROTILE_Y_DIM_FIXED
* tileY
;
198 int bottom
= top
+ KNOB_MACROTILE_Y_DIM_FIXED
- 1;
199 int left
= KNOB_MACROTILE_X_DIM_FIXED
* tileX
;
200 int right
= left
+ KNOB_MACROTILE_X_DIM_FIXED
- 1;
202 // intersect with scissor
203 top
= std::max(top
, state
.scissorInFixedPoint
.top
);
204 left
= std::max(left
, state
.scissorInFixedPoint
.left
);
205 bottom
= std::min(bottom
, state
.scissorInFixedPoint
.bottom
);
206 right
= std::min(right
, state
.scissorInFixedPoint
.right
);
208 // translate to local hottile origin
209 top
-= KNOB_MACROTILE_Y_DIM_FIXED
* tileY
;
210 bottom
-= KNOB_MACROTILE_Y_DIM_FIXED
* tileY
;
211 left
-= KNOB_MACROTILE_X_DIM_FIXED
* tileX
;
212 right
-= KNOB_MACROTILE_X_DIM_FIXED
* tileX
;
214 // convert to raster tiles
215 top
>>= (KNOB_TILE_Y_DIM_SHIFT
+ FIXED_POINT_SHIFT
);
216 bottom
>>= (KNOB_TILE_Y_DIM_SHIFT
+ FIXED_POINT_SHIFT
);
217 left
>>= (KNOB_TILE_X_DIM_SHIFT
+ FIXED_POINT_SHIFT
);
218 right
>>= (KNOB_TILE_X_DIM_SHIFT
+ FIXED_POINT_SHIFT
);
220 const int numSamples
= GetNumSamples(pDC
->pState
->state
.rastState
.sampleCount
);
221 // compute steps between raster tile samples / raster tiles / macro tile rows
222 const uint32_t rasterTileSampleStep
= KNOB_TILE_X_DIM
* KNOB_TILE_Y_DIM
* FormatTraits
<format
>::bpp
/ 8;
223 const uint32_t rasterTileStep
= (KNOB_TILE_X_DIM
* KNOB_TILE_Y_DIM
* (FormatTraits
<format
>::bpp
/ 8)) * numSamples
;
224 const uint32_t macroTileRowStep
= (KNOB_MACROTILE_X_DIM
/ KNOB_TILE_X_DIM
) * rasterTileStep
;
225 const uint32_t pitch
= (FormatTraits
<format
>::bpp
* KNOB_MACROTILE_X_DIM
/ 8);
227 HOTTILE
*pHotTile
= pDC
->pContext
->pHotTileMgr
->GetHotTile(pDC
->pContext
, pDC
, macroTile
, rt
, true, numSamples
);
228 uint32_t rasterTileStartOffset
= (ComputeTileOffset2D
< TilingTraits
<SWR_TILE_SWRZ
, FormatTraits
<format
>::bpp
> >(pitch
, left
, top
)) * numSamples
;
229 uint8_t* pRasterTileRow
= pHotTile
->pBuffer
+ rasterTileStartOffset
; //(ComputeTileOffset2D< TilingTraits<SWR_TILE_SWRZ, FormatTraits<format>::bpp > >(pitch, x, y)) * numSamples;
231 // loop over all raster tiles in the current hot tile
232 for (int y
= top
; y
<= bottom
; ++y
)
234 uint8_t* pRasterTile
= pRasterTileRow
;
235 for (int x
= left
; x
<= right
; ++x
)
237 for( int sampleNum
= 0; sampleNum
< numSamples
; sampleNum
++)
239 ClearRasterTile
<format
>(pRasterTile
, vClear
);
240 pRasterTile
+= rasterTileSampleStep
;
243 pRasterTileRow
+= macroTileRowStep
;
246 pHotTile
->state
= HOTTILE_DIRTY
;
250 void ProcessClearBE(DRAW_CONTEXT
*pDC
, uint32_t workerId
, uint32_t macroTile
, void *pUserData
)
254 CLEAR_DESC
*pClear
= (CLEAR_DESC
*)pUserData
;
255 SWR_CONTEXT
*pContext
= pDC
->pContext
;
256 SWR_MULTISAMPLE_COUNT sampleCount
= pDC
->pState
->state
.rastState
.sampleCount
;
257 uint32_t numSamples
= GetNumSamples(sampleCount
);
259 SWR_ASSERT(pClear
->flags
.bits
!= 0); // shouldn't be here without a reason.
261 RDTSC_START(BEClear
);
263 if (pClear
->flags
.mask
& SWR_CLEAR_COLOR
)
265 HOTTILE
*pHotTile
= pContext
->pHotTileMgr
->GetHotTile(pContext
, pDC
, macroTile
, SWR_ATTACHMENT_COLOR0
, true, numSamples
);
266 // All we want to do here is to mark the hot tile as being in a "needs clear" state.
267 pHotTile
->clearData
[0] = *(DWORD
*)&(pClear
->clearRTColor
[0]);
268 pHotTile
->clearData
[1] = *(DWORD
*)&(pClear
->clearRTColor
[1]);
269 pHotTile
->clearData
[2] = *(DWORD
*)&(pClear
->clearRTColor
[2]);
270 pHotTile
->clearData
[3] = *(DWORD
*)&(pClear
->clearRTColor
[3]);
271 pHotTile
->state
= HOTTILE_CLEAR
;
274 if (pClear
->flags
.mask
& SWR_CLEAR_DEPTH
)
276 HOTTILE
*pHotTile
= pContext
->pHotTileMgr
->GetHotTile(pContext
, pDC
, macroTile
, SWR_ATTACHMENT_DEPTH
, true, numSamples
);
277 pHotTile
->clearData
[0] = *(DWORD
*)&pClear
->clearDepth
;
278 pHotTile
->state
= HOTTILE_CLEAR
;
281 if (pClear
->flags
.mask
& SWR_CLEAR_STENCIL
)
283 HOTTILE
*pHotTile
= pContext
->pHotTileMgr
->GetHotTile(pContext
, pDC
, macroTile
, SWR_ATTACHMENT_STENCIL
, true, numSamples
);
285 pHotTile
->clearData
[0] = *(DWORD
*)&pClear
->clearStencil
;
286 pHotTile
->state
= HOTTILE_CLEAR
;
289 RDTSC_STOP(BEClear
, 0, 0);
294 CLEAR_DESC
*pClear
= (CLEAR_DESC
*)pUserData
;
295 RDTSC_START(BEClear
);
297 if (pClear
->flags
.mask
& SWR_CLEAR_COLOR
)
299 /// @todo clear data should come in as RGBA32_FLOAT
302 clearFloat
[0] = ((uint8_t*)(&pClear
->clearRTColor
))[0] / 255.0f
;
303 clearFloat
[1] = ((uint8_t*)(&pClear
->clearRTColor
))[1] / 255.0f
;
304 clearFloat
[2] = ((uint8_t*)(&pClear
->clearRTColor
))[2] / 255.0f
;
305 clearFloat
[3] = ((uint8_t*)(&pClear
->clearRTColor
))[3] / 255.0f
;
306 clearData
[0] = *(DWORD
*)&clearFloat
[0];
307 clearData
[1] = *(DWORD
*)&clearFloat
[1];
308 clearData
[2] = *(DWORD
*)&clearFloat
[2];
309 clearData
[3] = *(DWORD
*)&clearFloat
[3];
311 PFN_CLEAR_TILES pfnClearTiles
= sClearTilesTable
[KNOB_COLOR_HOT_TILE_FORMAT
];
312 SWR_ASSERT(pfnClearTiles
!= nullptr);
314 pfnClearTiles(pDC
, SWR_ATTACHMENT_COLOR0
, macroTile
, clearData
);
317 if (pClear
->flags
.mask
& SWR_CLEAR_DEPTH
)
320 clearData
[0] = *(DWORD
*)&pClear
->clearDepth
;
321 PFN_CLEAR_TILES pfnClearTiles
= sClearTilesTable
[KNOB_DEPTH_HOT_TILE_FORMAT
];
322 SWR_ASSERT(pfnClearTiles
!= nullptr);
324 pfnClearTiles(pDC
, SWR_ATTACHMENT_DEPTH
, macroTile
, clearData
);
327 if (pClear
->flags
.mask
& SWR_CLEAR_STENCIL
)
329 uint32_t value
= pClear
->clearStencil
;
331 clearData
[0] = *(DWORD
*)&value
;
332 PFN_CLEAR_TILES pfnClearTiles
= sClearTilesTable
[KNOB_STENCIL_HOT_TILE_FORMAT
];
334 pfnClearTiles(pDC
, SWR_ATTACHMENT_STENCIL
, macroTile
, clearData
);
337 RDTSC_STOP(BEClear
, 0, 0);
342 void ProcessStoreTileBE(DRAW_CONTEXT
*pDC
, uint32_t workerId
, uint32_t macroTile
, void *pData
)
344 RDTSC_START(BEStoreTiles
);
345 STORE_TILES_DESC
*pDesc
= (STORE_TILES_DESC
*)pData
;
346 SWR_CONTEXT
*pContext
= pDC
->pContext
;
348 #ifdef KNOB_ENABLE_RDTSC
349 uint32_t numTiles
= 0;
351 SWR_FORMAT srcFormat
;
352 switch (pDesc
->attachment
)
354 case SWR_ATTACHMENT_COLOR0
:
355 case SWR_ATTACHMENT_COLOR1
:
356 case SWR_ATTACHMENT_COLOR2
:
357 case SWR_ATTACHMENT_COLOR3
:
358 case SWR_ATTACHMENT_COLOR4
:
359 case SWR_ATTACHMENT_COLOR5
:
360 case SWR_ATTACHMENT_COLOR6
:
361 case SWR_ATTACHMENT_COLOR7
: srcFormat
= KNOB_COLOR_HOT_TILE_FORMAT
; break;
362 case SWR_ATTACHMENT_DEPTH
: srcFormat
= KNOB_DEPTH_HOT_TILE_FORMAT
; break;
363 case SWR_ATTACHMENT_STENCIL
: srcFormat
= KNOB_STENCIL_HOT_TILE_FORMAT
; break;
364 default: SWR_ASSERT(false, "Unknown attachment: %d", pDesc
->attachment
); srcFormat
= KNOB_COLOR_HOT_TILE_FORMAT
; break;
368 MacroTileMgr::getTileIndices(macroTile
, x
, y
);
370 // Only need to store the hottile if it's been rendered to...
371 HOTTILE
*pHotTile
= pContext
->pHotTileMgr
->GetHotTile(pContext
, pDC
, macroTile
, pDesc
->attachment
, false);
374 // clear if clear is pending (i.e., not rendered to), then mark as dirty for store.
375 if (pHotTile
->state
== HOTTILE_CLEAR
)
377 PFN_CLEAR_TILES pfnClearTiles
= sClearTilesTable
[srcFormat
];
378 SWR_ASSERT(pfnClearTiles
!= nullptr);
380 pfnClearTiles(pDC
, pDesc
->attachment
, macroTile
, pHotTile
->clearData
);
383 if (pHotTile
->state
== HOTTILE_DIRTY
|| pDesc
->postStoreTileState
== (SWR_TILE_STATE
)HOTTILE_DIRTY
)
385 int destX
= KNOB_MACROTILE_X_DIM
* x
;
386 int destY
= KNOB_MACROTILE_Y_DIM
* y
;
388 pContext
->pfnStoreTile(GetPrivateState(pDC
), srcFormat
,
389 pDesc
->attachment
, destX
, destY
, pHotTile
->renderTargetArrayIndex
, pHotTile
->pBuffer
);
393 if (pHotTile
->state
== HOTTILE_DIRTY
|| pHotTile
->state
== HOTTILE_RESOLVED
)
395 pHotTile
->state
= (HOTTILE_STATE
)pDesc
->postStoreTileState
;
398 RDTSC_STOP(BEStoreTiles
, numTiles
, pDC
->drawId
);
402 void ProcessDiscardInvalidateTilesBE(DRAW_CONTEXT
*pDC
, uint32_t workerId
, uint32_t macroTile
, void *pData
)
404 DISCARD_INVALIDATE_TILES_DESC
*pDesc
= (DISCARD_INVALIDATE_TILES_DESC
*)pData
;
405 SWR_CONTEXT
*pContext
= pDC
->pContext
;
407 const int numSamples
= GetNumSamples(pDC
->pState
->state
.rastState
.sampleCount
);
409 for (uint32_t i
= 0; i
< SWR_NUM_ATTACHMENTS
; ++i
)
411 if (pDesc
->attachmentMask
& (1 << i
))
413 HOTTILE
*pHotTile
= pContext
->pHotTileMgr
->GetHotTileNoLoad(
414 pContext
, pDC
, macroTile
, (SWR_RENDERTARGET_ATTACHMENT
)i
, pDesc
->createNewTiles
, numSamples
);
417 pHotTile
->state
= (HOTTILE_STATE
)pDesc
->newTileState
;
423 #if KNOB_SIMD_WIDTH == 8
424 const __m256 vCenterOffsetsX
= {0.5, 1.5, 0.5, 1.5, 2.5, 3.5, 2.5, 3.5};
425 const __m256 vCenterOffsetsY
= {0.5, 0.5, 1.5, 1.5, 0.5, 0.5, 1.5, 1.5};
426 const __m256 vULOffsetsX
= {0.0, 1.0, 0.0, 1.0, 2.0, 3.0, 2.0, 3.0};
427 const __m256 vULOffsetsY
= {0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 1.0, 1.0};
429 #error Unsupported vector width
433 bool CanEarlyZ(const SWR_PS_STATE
*pPSState
)
435 return (pPSState
->forceEarlyZ
|| (!pPSState
->writesODepth
&& !pPSState
->usesSourceDepth
&& !pPSState
->usesUAV
));
438 simdmask
ComputeUserClipMask(uint8_t clipMask
, float* pUserClipBuffer
, simdscalar vI
, simdscalar vJ
)
440 simdscalar vClipMask
= _simd_setzero_ps();
441 uint32_t numClipDistance
= _mm_popcnt_u32(clipMask
);
443 for (uint32_t i
= 0; i
< numClipDistance
; ++i
)
445 // pull triangle clip distance values from clip buffer
446 simdscalar vA
= _simd_broadcast_ss(pUserClipBuffer
++);
447 simdscalar vB
= _simd_broadcast_ss(pUserClipBuffer
++);
448 simdscalar vC
= _simd_broadcast_ss(pUserClipBuffer
++);
451 simdscalar vInterp
= vplaneps(vA
, vB
, vC
, vI
, vJ
);
453 // clip if interpolated clip distance is < 0 || NAN
454 simdscalar vCull
= _simd_cmp_ps(_simd_setzero_ps(), vInterp
, _CMP_NLE_UQ
);
456 vClipMask
= _simd_or_ps(vClipMask
, vCull
);
459 return _simd_movemask_ps(vClipMask
);
462 template<bool perspMask
>
463 INLINE
void CalcPixelBarycentrics(const BarycentricCoeffs
& coeffs
, SWR_PS_CONTEXT
&psContext
)
468 psContext
.vI
.center
= vplaneps(coeffs
.vIa
, coeffs
.vIb
, coeffs
.vIc
, psContext
.vX
.center
, psContext
.vY
.center
);
469 psContext
.vJ
.center
= vplaneps(coeffs
.vJa
, coeffs
.vJb
, coeffs
.vJc
, psContext
.vX
.center
, psContext
.vY
.center
);
470 psContext
.vI
.center
= _simd_mul_ps(psContext
.vI
.center
, coeffs
.vRecipDet
);
471 psContext
.vJ
.center
= _simd_mul_ps(psContext
.vJ
.center
, coeffs
.vRecipDet
);
474 psContext
.vOneOverW
.center
= vplaneps(coeffs
.vAOneOverW
, coeffs
.vBOneOverW
, coeffs
.vCOneOverW
, psContext
.vI
.center
, psContext
.vJ
.center
);
478 template<bool perspMask
>
479 INLINE
void CalcSampleBarycentrics(const BarycentricCoeffs
& coeffs
, SWR_PS_CONTEXT
&psContext
)
484 psContext
.vI
.sample
= vplaneps(coeffs
.vIa
, coeffs
.vIb
, coeffs
.vIc
, psContext
.vX
.sample
, psContext
.vY
.sample
);
485 psContext
.vJ
.sample
= vplaneps(coeffs
.vJa
, coeffs
.vJb
, coeffs
.vJc
, psContext
.vX
.sample
, psContext
.vY
.sample
);
486 psContext
.vI
.sample
= _simd_mul_ps(psContext
.vI
.sample
, coeffs
.vRecipDet
);
487 psContext
.vJ
.sample
= _simd_mul_ps(psContext
.vJ
.sample
, coeffs
.vRecipDet
);
490 psContext
.vOneOverW
.sample
= vplaneps(coeffs
.vAOneOverW
, coeffs
.vBOneOverW
, coeffs
.vCOneOverW
, psContext
.vI
.sample
, psContext
.vJ
.sample
);
495 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
496 // Centroid behaves exactly as follows :
497 // (1) If all samples in the primitive are covered, the attribute is evaluated at the pixel center (even if the sample pattern does not happen to
498 // have a sample location there).
499 // (2) Else the attribute is evaluated at the first covered sample, in increasing order of sample index, where sample coverage is after ANDing the
500 // coverage with the SampleMask Rasterizer State.
501 // (3) If no samples are covered, such as on helper pixels executed off the bounds of a primitive to fill out 2x2 pixel stamps, the attribute is
502 // evaluated as follows : If the SampleMask Rasterizer state is a subset of the samples in the pixel, then the first sample covered by the
503 // SampleMask Rasterizer State is the evaluation point.Otherwise (full SampleMask), the pixel center is the evaluation point.
504 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
505 template<SWR_MULTISAMPLE_COUNT sampleCount
, bool bForcedSampleCount
>
506 INLINE
void CalcCentroidPos(SWR_PS_CONTEXT
&psContext
, const uint64_t *const coverageMask
, const uint32_t sampleMask
,
507 const simdscalar vXSamplePosUL
, const simdscalar vYSamplePosUL
)
509 uint32_t inputMask
[KNOB_SIMD_WIDTH
];
511 generateInputCoverage
<sampleCount
, 1, bForcedSampleCount
>(coverageMask
, inputMask
, sampleMask
);
513 // Case (2) - partially covered pixel
515 // scan for first covered sample per pixel in the 4x2 span
516 unsigned long sampleNum
[KNOB_SIMD_WIDTH
];
517 (inputMask
[0] > 0) ? (_BitScanForward(&sampleNum
[0], inputMask
[0])) : (sampleNum
[0] = 0);
518 (inputMask
[1] > 0) ? (_BitScanForward(&sampleNum
[1], inputMask
[1])) : (sampleNum
[1] = 0);
519 (inputMask
[2] > 0) ? (_BitScanForward(&sampleNum
[2], inputMask
[2])) : (sampleNum
[2] = 0);
520 (inputMask
[3] > 0) ? (_BitScanForward(&sampleNum
[3], inputMask
[3])) : (sampleNum
[3] = 0);
521 (inputMask
[4] > 0) ? (_BitScanForward(&sampleNum
[4], inputMask
[4])) : (sampleNum
[4] = 0);
522 (inputMask
[5] > 0) ? (_BitScanForward(&sampleNum
[5], inputMask
[5])) : (sampleNum
[5] = 0);
523 (inputMask
[6] > 0) ? (_BitScanForward(&sampleNum
[6], inputMask
[6])) : (sampleNum
[6] = 0);
524 (inputMask
[7] > 0) ? (_BitScanForward(&sampleNum
[7], inputMask
[7])) : (sampleNum
[7] = 0);
526 // look up and set the sample offsets from UL pixel corner for first covered sample
527 __m256 vXSample
= _mm256_set_ps(MultisampleTraits
<sampleCount
>::X(sampleNum
[7]),
528 MultisampleTraits
<sampleCount
>::X(sampleNum
[6]),
529 MultisampleTraits
<sampleCount
>::X(sampleNum
[5]),
530 MultisampleTraits
<sampleCount
>::X(sampleNum
[4]),
531 MultisampleTraits
<sampleCount
>::X(sampleNum
[3]),
532 MultisampleTraits
<sampleCount
>::X(sampleNum
[2]),
533 MultisampleTraits
<sampleCount
>::X(sampleNum
[1]),
534 MultisampleTraits
<sampleCount
>::X(sampleNum
[0]));
536 __m256 vYSample
= _mm256_set_ps(MultisampleTraits
<sampleCount
>::Y(sampleNum
[7]),
537 MultisampleTraits
<sampleCount
>::Y(sampleNum
[6]),
538 MultisampleTraits
<sampleCount
>::Y(sampleNum
[5]),
539 MultisampleTraits
<sampleCount
>::Y(sampleNum
[4]),
540 MultisampleTraits
<sampleCount
>::Y(sampleNum
[3]),
541 MultisampleTraits
<sampleCount
>::Y(sampleNum
[2]),
542 MultisampleTraits
<sampleCount
>::Y(sampleNum
[1]),
543 MultisampleTraits
<sampleCount
>::Y(sampleNum
[0]));
544 // add sample offset to UL pixel corner
545 vXSample
= _simd_add_ps(vXSamplePosUL
, vXSample
);
546 vYSample
= _simd_add_ps(vYSamplePosUL
, vYSample
);
548 // Case (1) and case (3b) - All samples covered or not covered with full SampleMask
549 static const __m256i vFullyCoveredMask
= MultisampleTraits
<sampleCount
>::FullSampleMask();
550 __m256i vInputCoveragei
= _mm256_set_epi32(inputMask
[7], inputMask
[6], inputMask
[5], inputMask
[4], inputMask
[3], inputMask
[2], inputMask
[1], inputMask
[0]);
551 __m256i vAllSamplesCovered
= _simd_cmpeq_epi32(vInputCoveragei
, vFullyCoveredMask
);
553 static const __m256i vZero
= _simd_setzero_si();
554 const __m256i vSampleMask
= _simd_and_si(_simd_set1_epi32(sampleMask
), vFullyCoveredMask
);
555 __m256i vNoSamplesCovered
= _simd_cmpeq_epi32(vInputCoveragei
, vZero
);
556 __m256i vIsFullSampleMask
= _simd_cmpeq_epi32(vSampleMask
, vFullyCoveredMask
);
557 __m256i vCase3b
= _simd_and_si(vNoSamplesCovered
, vIsFullSampleMask
);
559 __m256i vEvalAtCenter
= _simd_or_si(vAllSamplesCovered
, vCase3b
);
561 // set the centroid position based on results from above
562 psContext
.vX
.centroid
= _simd_blendv_ps(vXSample
, psContext
.vX
.center
, _simd_castsi_ps(vEvalAtCenter
));
563 psContext
.vY
.centroid
= _simd_blendv_ps(vYSample
, psContext
.vY
.center
, _simd_castsi_ps(vEvalAtCenter
));
565 // Case (3a) No samples covered and partial sample mask
566 __m256i vSomeSampleMaskSamples
= _simd_cmplt_epi32(vSampleMask
, vFullyCoveredMask
);
567 // sample mask should never be all 0's for this case, but handle it anyways
568 unsigned long firstCoveredSampleMaskSample
= 0;
569 (sampleMask
> 0) ? (_BitScanForward(&firstCoveredSampleMaskSample
, sampleMask
)) : (firstCoveredSampleMaskSample
= 0);
571 __m256i vCase3a
= _simd_and_si(vNoSamplesCovered
, vSomeSampleMaskSamples
);
573 vXSample
= _simd_set1_ps(MultisampleTraits
<sampleCount
>::X(firstCoveredSampleMaskSample
));
574 vYSample
= _simd_set1_ps(MultisampleTraits
<sampleCount
>::Y(firstCoveredSampleMaskSample
));
576 // blend in case 3a pixel locations
577 psContext
.vX
.centroid
= _simd_blendv_ps(psContext
.vX
.centroid
, vXSample
, _simd_castsi_ps(vCase3a
));
578 psContext
.vY
.centroid
= _simd_blendv_ps(psContext
.vY
.centroid
, vYSample
, _simd_castsi_ps(vCase3a
));
581 template<uint32_t sampleCount
, uint32_t persp
, uint32_t standardPattern
, uint32_t forcedMultisampleCount
>
582 INLINE
void CalcCentroidBarycentrics(const BarycentricCoeffs
& coeffs
, SWR_PS_CONTEXT
&psContext
,
583 const uint64_t *const coverageMask
, const uint32_t sampleMask
,
584 const simdscalar vXSamplePosUL
, const simdscalar vYSamplePosUL
)
586 static const bool bPersp
= (bool)persp
;
587 static const bool bIsStandardPattern
= (bool)standardPattern
;
588 static const bool bForcedMultisampleCount
= (bool)forcedMultisampleCount
;
590 // calculate centroid positions
593 if(bIsStandardPattern
)
595 ///@ todo: don't need to generate input coverage 2x if input coverage and centroid
596 CalcCentroidPos
<(SWR_MULTISAMPLE_COUNT
)sampleCount
, bForcedMultisampleCount
>(psContext
, coverageMask
, sampleMask
, vXSamplePosUL
, vYSamplePosUL
);
600 static const __m256 pixelCenter
= _simd_set1_ps(0.5f
);
601 psContext
.vX
.centroid
= _simd_add_ps(vXSamplePosUL
, pixelCenter
);
602 psContext
.vY
.centroid
= _simd_add_ps(vYSamplePosUL
, pixelCenter
);
605 psContext
.vI
.centroid
= vplaneps(coeffs
.vIa
, coeffs
.vIb
, coeffs
.vIc
, psContext
.vX
.centroid
, psContext
.vY
.centroid
);
606 psContext
.vJ
.centroid
= vplaneps(coeffs
.vJa
, coeffs
.vJb
, coeffs
.vJc
, psContext
.vX
.centroid
, psContext
.vY
.centroid
);
607 psContext
.vI
.centroid
= _simd_mul_ps(psContext
.vI
.centroid
, coeffs
.vRecipDet
);
608 psContext
.vJ
.centroid
= _simd_mul_ps(psContext
.vJ
.centroid
, coeffs
.vRecipDet
);
611 psContext
.vOneOverW
.centroid
= vplaneps(coeffs
.vAOneOverW
, coeffs
.vBOneOverW
, coeffs
.vCOneOverW
, psContext
.vI
.centroid
, psContext
.vJ
.centroid
);
615 template<uint32_t NumRT
, uint32_t sampleCountT
>
616 void OutputMerger(SWR_PS_CONTEXT
&psContext
, uint8_t* (&pColorBase
)[SWR_NUM_RENDERTARGETS
], uint32_t sample
, const SWR_BLEND_STATE
*pBlendState
,
617 const PFN_BLEND_JIT_FUNC (&pfnBlendFunc
)[SWR_NUM_RENDERTARGETS
], simdscalar
&coverageMask
, simdscalar depthPassMask
)
619 // type safety guaranteed from template instantiation in BEChooser<>::GetFunc
620 static const SWR_MULTISAMPLE_COUNT sampleCount
= (SWR_MULTISAMPLE_COUNT
)sampleCountT
;
621 uint32_t rasterTileColorOffset
= MultisampleTraits
<sampleCount
>::RasterTileColorOffset(sample
);
624 for(uint32_t rt
= 0; rt
< NumRT
; ++rt
)
626 uint8_t *pColorSample
;
627 if(sampleCount
== SWR_MULTISAMPLE_1X
)
629 pColorSample
= pColorBase
[rt
];
633 pColorSample
= pColorBase
[rt
] + rasterTileColorOffset
;
636 const SWR_RENDER_TARGET_BLEND_STATE
*pRTBlend
= &pBlendState
->renderTarget
[rt
];
637 // pfnBlendFunc may not update all channels. Initialize with PS output.
638 /// TODO: move this into the blend JIT.
639 blendOut
= psContext
.shaded
[rt
];
641 // Blend outputs and update coverage mask for alpha test
642 if(pfnBlendFunc
[rt
] != nullptr)
646 psContext
.shaded
[rt
],
652 (simdscalari
*)&coverageMask
);
656 simdscalari outputMask
= _simd_castps_si(_simd_and_ps(coverageMask
, depthPassMask
));
658 ///@todo can only use maskstore fast path if bpc is 32. Assuming hot tile is RGBA32_FLOAT.
659 static_assert(KNOB_COLOR_HOT_TILE_FORMAT
== R32G32B32A32_FLOAT
, "Unsupported hot tile format");
661 const uint32_t simd
= KNOB_SIMD_WIDTH
* sizeof(float);
663 // store with color mask
664 if(!pRTBlend
->writeDisableRed
)
666 _simd_maskstore_ps((float*)pColorSample
, outputMask
, blendOut
.x
);
668 if(!pRTBlend
->writeDisableGreen
)
670 _simd_maskstore_ps((float*)(pColorSample
+ simd
), outputMask
, blendOut
.y
);
672 if(!pRTBlend
->writeDisableBlue
)
674 _simd_maskstore_ps((float*)(pColorSample
+ simd
* 2), outputMask
, blendOut
.z
);
676 if(!pRTBlend
->writeDisableAlpha
)
678 _simd_maskstore_ps((float*)(pColorSample
+ simd
* 3), outputMask
, blendOut
.w
);
683 template<uint32_t sampleCountT
, uint32_t samplePattern
, uint32_t inputCoverage
, uint32_t centroidPos
, uint32_t forcedSampleCount
>
684 void BackendSingleSample(DRAW_CONTEXT
*pDC
, uint32_t workerId
, uint32_t x
, uint32_t y
, SWR_TRIANGLE_DESC
&work
, RenderOutputBuffers
&renderBuffers
)
686 RDTSC_START(BESetup
);
687 // type safety guaranteed from template instantiation in BEChooser<>::GetFunc
688 static const bool bInputCoverage
= (bool)inputCoverage
;
689 static const bool bCentroidPos
= (bool)centroidPos
;
691 SWR_CONTEXT
*pContext
= pDC
->pContext
;
692 const API_STATE
& state
= GetApiState(pDC
);
693 const SWR_RASTSTATE
& rastState
= state
.rastState
;
694 const SWR_PS_STATE
*pPSState
= &state
.psState
;
695 const SWR_BLEND_STATE
*pBlendState
= &state
.blendState
;
696 const BACKEND_FUNCS
& backendFuncs
= pDC
->pState
->backendFuncs
;
697 uint64_t coverageMask
= work
.coverageMask
[0];
700 BarycentricCoeffs coeffs
;
701 coeffs
.vIa
= _simd_broadcast_ss(&work
.I
[0]);
702 coeffs
.vIb
= _simd_broadcast_ss(&work
.I
[1]);
703 coeffs
.vIc
= _simd_broadcast_ss(&work
.I
[2]);
705 coeffs
.vJa
= _simd_broadcast_ss(&work
.J
[0]);
706 coeffs
.vJb
= _simd_broadcast_ss(&work
.J
[1]);
707 coeffs
.vJc
= _simd_broadcast_ss(&work
.J
[2]);
709 coeffs
.vZa
= _simd_broadcast_ss(&work
.Z
[0]);
710 coeffs
.vZb
= _simd_broadcast_ss(&work
.Z
[1]);
711 coeffs
.vZc
= _simd_broadcast_ss(&work
.Z
[2]);
713 coeffs
.vRecipDet
= _simd_broadcast_ss(&work
.recipDet
);
715 coeffs
.vAOneOverW
= _simd_broadcast_ss(&work
.OneOverW
[0]);
716 coeffs
.vBOneOverW
= _simd_broadcast_ss(&work
.OneOverW
[1]);
717 coeffs
.vCOneOverW
= _simd_broadcast_ss(&work
.OneOverW
[2]);
719 uint8_t *pColorBase
[SWR_NUM_RENDERTARGETS
];
720 uint32_t NumRT
= state
.psState
.numRenderTargets
;
721 for(uint32_t rt
= 0; rt
< NumRT
; ++rt
)
723 pColorBase
[rt
] = renderBuffers
.pColor
[rt
];
725 uint8_t *pDepthBase
= renderBuffers
.pDepth
, *pStencilBase
= renderBuffers
.pStencil
;
726 RDTSC_STOP(BESetup
, 0, 0);
728 SWR_PS_CONTEXT psContext
;
729 psContext
.pAttribs
= work
.pAttribs
;
730 psContext
.pPerspAttribs
= work
.pPerspAttribs
;
731 psContext
.frontFace
= work
.triFlags
.frontFacing
;
732 psContext
.primID
= work
.triFlags
.primID
;
734 // save Ia/Ib/Ic and Ja/Jb/Jc if we need to reevaluate i/j/k in the shader because of pull attribs
735 psContext
.I
= work
.I
;
736 psContext
.J
= work
.J
;
737 psContext
.recipDet
= work
.recipDet
;
738 psContext
.pRecipW
= work
.pRecipW
;
739 psContext
.pSamplePosX
= (const float*)&MultisampleTraits
<SWR_MULTISAMPLE_1X
>::samplePosX
;
740 psContext
.pSamplePosY
= (const float*)&MultisampleTraits
<SWR_MULTISAMPLE_1X
>::samplePosY
;
742 for(uint32_t yy
= y
; yy
< y
+ KNOB_TILE_Y_DIM
; yy
+= SIMD_TILE_Y_DIM
)
745 psContext
.vY
.UL
= _simd_add_ps(vULOffsetsY
, _simd_set1_ps((float)yy
));
747 psContext
.vY
.center
= _simd_add_ps(vCenterOffsetsY
, _simd_set1_ps((float)yy
));
749 for(uint32_t xx
= x
; xx
< x
+ KNOB_TILE_X_DIM
; xx
+= SIMD_TILE_X_DIM
)
753 generateInputCoverage
<SWR_MULTISAMPLE_1X
, SWR_MSAA_STANDARD_PATTERN
, false>(&work
.coverageMask
[0], psContext
.inputMask
, pBlendState
->sampleMask
);
756 if(coverageMask
& MASK
)
758 RDTSC_START(BEBarycentric
);
759 psContext
.vX
.UL
= _simd_add_ps(vULOffsetsX
, _simd_set1_ps((float)xx
));
761 psContext
.vX
.center
= _simd_add_ps(vCenterOffsetsX
, _simd_set1_ps((float)xx
));
763 backendFuncs
.pfnCalcPixelBarycentrics(coeffs
, psContext
);
767 // for 1x case, centroid is pixel center
768 psContext
.vX
.centroid
= psContext
.vX
.center
;
769 psContext
.vY
.centroid
= psContext
.vY
.center
;
770 psContext
.vI
.centroid
= psContext
.vI
.center
;
771 psContext
.vJ
.centroid
= psContext
.vJ
.center
;
772 psContext
.vOneOverW
.centroid
= psContext
.vOneOverW
.center
;
775 // interpolate and quantize z
776 psContext
.vZ
= vplaneps(coeffs
.vZa
, coeffs
.vZb
, coeffs
.vZc
, psContext
.vI
.center
, psContext
.vJ
.center
);
777 psContext
.vZ
= state
.pfnQuantizeDepth(psContext
.vZ
);
779 RDTSC_STOP(BEBarycentric
, 0, 0);
781 simdmask clipCoverageMask
= coverageMask
& MASK
;
783 // interpolate user clip distance if available
784 if(rastState
.clipDistanceMask
)
786 clipCoverageMask
&= ~ComputeUserClipMask(rastState
.clipDistanceMask
, work
.pUserClipBuffer
,
787 psContext
.vI
.center
, psContext
.vJ
.center
);
790 simdscalar vCoverageMask
= vMask(clipCoverageMask
);
791 simdscalar depthPassMask
= vCoverageMask
;
792 simdscalar stencilPassMask
= vCoverageMask
;
795 if(CanEarlyZ(pPSState
))
797 RDTSC_START(BEEarlyDepthTest
);
798 depthPassMask
= DepthStencilTest(&state
, work
.triFlags
.frontFacing
,
799 psContext
.vZ
, pDepthBase
, vCoverageMask
, pStencilBase
, &stencilPassMask
);
800 RDTSC_STOP(BEEarlyDepthTest
, 0, 0);
802 // early-exit if no pixels passed depth or earlyZ is forced on
803 if(pPSState
->forceEarlyZ
|| !_simd_movemask_ps(depthPassMask
))
805 DepthStencilWrite(&state
.vp
[0], &state
.depthStencilState
, work
.triFlags
.frontFacing
, psContext
.vZ
,
806 pDepthBase
, depthPassMask
, vCoverageMask
, pStencilBase
, stencilPassMask
);
808 if (!_simd_movemask_ps(depthPassMask
))
815 psContext
.sampleIndex
= 0;
816 psContext
.activeMask
= _simd_castps_si(vCoverageMask
);
818 // execute pixel shader
819 RDTSC_START(BEPixelShader
);
820 UPDATE_STAT(PsInvocations
, _mm_popcnt_u32(_simd_movemask_ps(vCoverageMask
)));
821 state
.psState
.pfnPixelShader(GetPrivateState(pDC
), &psContext
);
822 RDTSC_STOP(BEPixelShader
, 0, 0);
824 vCoverageMask
= _simd_castsi_ps(psContext
.activeMask
);
827 if(!CanEarlyZ(pPSState
))
829 RDTSC_START(BELateDepthTest
);
830 depthPassMask
= DepthStencilTest(&state
, work
.triFlags
.frontFacing
,
831 psContext
.vZ
, pDepthBase
, vCoverageMask
, pStencilBase
, &stencilPassMask
);
832 RDTSC_STOP(BELateDepthTest
, 0, 0);
834 if(!_simd_movemask_ps(depthPassMask
))
836 // need to call depth/stencil write for stencil write
837 DepthStencilWrite(&state
.vp
[0], &state
.depthStencilState
, work
.triFlags
.frontFacing
, psContext
.vZ
,
838 pDepthBase
, depthPassMask
, vCoverageMask
, pStencilBase
, stencilPassMask
);
843 uint32_t statMask
= _simd_movemask_ps(depthPassMask
);
844 uint32_t statCount
= _mm_popcnt_u32(statMask
);
845 UPDATE_STAT(DepthPassCount
, statCount
);
848 RDTSC_START(BEOutputMerger
);
849 backendFuncs
.pfnOutputMerger(psContext
, pColorBase
, 0, pBlendState
, state
.pfnBlendFunc
,
850 vCoverageMask
, depthPassMask
);
852 // do final depth write after all pixel kills
853 if (!pPSState
->forceEarlyZ
)
855 DepthStencilWrite(&state
.vp
[0], &state
.depthStencilState
, work
.triFlags
.frontFacing
, psContext
.vZ
,
856 pDepthBase
, depthPassMask
, vCoverageMask
, pStencilBase
, stencilPassMask
);
858 RDTSC_STOP(BEOutputMerger
, 0, 0);
862 RDTSC_START(BEEndTile
);
863 coverageMask
>>= (SIMD_TILE_Y_DIM
* SIMD_TILE_X_DIM
);
864 pDepthBase
+= (KNOB_SIMD_WIDTH
* FormatTraits
<KNOB_DEPTH_HOT_TILE_FORMAT
>::bpp
) / 8;
865 pStencilBase
+= (KNOB_SIMD_WIDTH
* FormatTraits
<KNOB_STENCIL_HOT_TILE_FORMAT
>::bpp
) / 8;
867 for(uint32_t rt
= 0; rt
< NumRT
; ++rt
)
869 pColorBase
[rt
] += (KNOB_SIMD_WIDTH
* FormatTraits
<KNOB_COLOR_HOT_TILE_FORMAT
>::bpp
) / 8;
871 RDTSC_STOP(BEEndTile
, 0, 0);
876 template<uint32_t sampleCountT
, uint32_t samplePattern
, uint32_t inputCoverage
, uint32_t centroidPos
, uint32_t forcedSampleCount
>
877 void BackendSampleRate(DRAW_CONTEXT
*pDC
, uint32_t workerId
, uint32_t x
, uint32_t y
, SWR_TRIANGLE_DESC
&work
, RenderOutputBuffers
&renderBuffers
)
879 // type safety guaranteed from template instantiation in BEChooser<>::GetFunc
880 static const SWR_MULTISAMPLE_COUNT sampleCount
= (SWR_MULTISAMPLE_COUNT
)sampleCountT
;
881 static const bool bInputCoverage
= (bool)inputCoverage
;
882 static const bool bCentroidPos
= (bool)centroidPos
;
884 RDTSC_START(BESetup
);
886 SWR_CONTEXT
*pContext
= pDC
->pContext
;
887 const API_STATE
& state
= GetApiState(pDC
);
888 const SWR_RASTSTATE
& rastState
= state
.rastState
;
889 const SWR_PS_STATE
*pPSState
= &state
.psState
;
890 const SWR_BLEND_STATE
*pBlendState
= &state
.blendState
;
891 const BACKEND_FUNCS
& backendFuncs
= pDC
->pState
->backendFuncs
;
894 BarycentricCoeffs coeffs
;
895 coeffs
.vIa
= _simd_broadcast_ss(&work
.I
[0]);
896 coeffs
.vIb
= _simd_broadcast_ss(&work
.I
[1]);
897 coeffs
.vIc
= _simd_broadcast_ss(&work
.I
[2]);
899 coeffs
.vJa
= _simd_broadcast_ss(&work
.J
[0]);
900 coeffs
.vJb
= _simd_broadcast_ss(&work
.J
[1]);
901 coeffs
.vJc
= _simd_broadcast_ss(&work
.J
[2]);
903 coeffs
.vZa
= _simd_broadcast_ss(&work
.Z
[0]);
904 coeffs
.vZb
= _simd_broadcast_ss(&work
.Z
[1]);
905 coeffs
.vZc
= _simd_broadcast_ss(&work
.Z
[2]);
907 coeffs
.vRecipDet
= _simd_broadcast_ss(&work
.recipDet
);
909 coeffs
.vAOneOverW
= _simd_broadcast_ss(&work
.OneOverW
[0]);
910 coeffs
.vBOneOverW
= _simd_broadcast_ss(&work
.OneOverW
[1]);
911 coeffs
.vCOneOverW
= _simd_broadcast_ss(&work
.OneOverW
[2]);
913 uint8_t *pColorBase
[SWR_NUM_RENDERTARGETS
];
914 uint32_t NumRT
= state
.psState
.numRenderTargets
;
915 for(uint32_t rt
= 0; rt
< NumRT
; ++rt
)
917 pColorBase
[rt
] = renderBuffers
.pColor
[rt
];
919 uint8_t *pDepthBase
= renderBuffers
.pDepth
, *pStencilBase
= renderBuffers
.pStencil
;
920 RDTSC_STOP(BESetup
, 0, 0);
922 SWR_PS_CONTEXT psContext
;
923 psContext
.pAttribs
= work
.pAttribs
;
924 psContext
.pPerspAttribs
= work
.pPerspAttribs
;
925 psContext
.pRecipW
= work
.pRecipW
;
926 psContext
.frontFace
= work
.triFlags
.frontFacing
;
927 psContext
.primID
= work
.triFlags
.primID
;
929 // save Ia/Ib/Ic and Ja/Jb/Jc if we need to reevaluate i/j/k in the shader because of pull attribs
930 psContext
.I
= work
.I
;
931 psContext
.J
= work
.J
;
932 psContext
.recipDet
= work
.recipDet
;
933 psContext
.pSamplePosX
= (const float*)&MultisampleTraits
<sampleCount
>::samplePosX
;
934 psContext
.pSamplePosY
= (const float*)&MultisampleTraits
<sampleCount
>::samplePosY
;
935 const uint32_t numSamples
= MultisampleTraits
<sampleCount
>::numSamples
;
937 for (uint32_t yy
= y
; yy
< y
+ KNOB_TILE_Y_DIM
; yy
+= SIMD_TILE_Y_DIM
)
940 psContext
.vY
.UL
= _simd_add_ps(vULOffsetsY
, _simd_set1_ps((float)yy
));
942 psContext
.vY
.center
= _simd_add_ps(vCenterOffsetsY
, _simd_set1_ps((float)yy
));
944 for (uint32_t xx
= x
; xx
< x
+ KNOB_TILE_X_DIM
; xx
+= SIMD_TILE_X_DIM
)
946 psContext
.vX
.UL
= _simd_add_ps(vULOffsetsX
, _simd_set1_ps((float)xx
));
948 psContext
.vX
.center
= _simd_add_ps(vCenterOffsetsX
, _simd_set1_ps((float)xx
));
950 RDTSC_START(BEBarycentric
);
951 backendFuncs
.pfnCalcPixelBarycentrics(coeffs
, psContext
);
952 RDTSC_STOP(BEBarycentric
, 0, 0);
956 generateInputCoverage
<sampleCount
, SWR_MSAA_STANDARD_PATTERN
, false>(&work
.coverageMask
[0], psContext
.inputMask
, pBlendState
->sampleMask
);
961 ///@ todo: don't need to genererate input coverage 2x if input coverage and centroid
962 RDTSC_START(BEBarycentric
);
963 backendFuncs
.pfnCalcCentroidBarycentrics(coeffs
, psContext
, &work
.coverageMask
[0], pBlendState
->sampleMask
, psContext
.vX
.UL
, psContext
.vY
.UL
);
964 RDTSC_STOP(BEBarycentric
, 0, 0);
967 for(uint32_t sample
= 0; sample
< numSamples
; sample
++)
969 if (work
.coverageMask
[sample
] & MASK
)
971 RDTSC_START(BEBarycentric
);
973 // calculate per sample positions
974 psContext
.vX
.sample
= _simd_add_ps(psContext
.vX
.UL
, MultisampleTraits
<sampleCount
>::vX(sample
));
975 psContext
.vY
.sample
= _simd_add_ps(psContext
.vY
.UL
, MultisampleTraits
<sampleCount
>::vY(sample
));
977 simdmask coverageMask
= work
.coverageMask
[sample
] & MASK
;
978 simdscalar vCoverageMask
= vMask(coverageMask
);
980 backendFuncs
.pfnCalcSampleBarycentrics(coeffs
, psContext
);
982 // interpolate and quantize z
983 psContext
.vZ
= vplaneps(coeffs
.vZa
, coeffs
.vZb
, coeffs
.vZc
, psContext
.vI
.sample
, psContext
.vJ
.sample
);
984 psContext
.vZ
= state
.pfnQuantizeDepth(psContext
.vZ
);
986 RDTSC_STOP(BEBarycentric
, 0, 0);
988 // interpolate user clip distance if available
989 if (rastState
.clipDistanceMask
)
991 coverageMask
&= ~ComputeUserClipMask(rastState
.clipDistanceMask
, work
.pUserClipBuffer
,
992 psContext
.vI
.sample
, psContext
.vJ
.sample
);
995 simdscalar depthPassMask
= vCoverageMask
;
996 simdscalar stencilPassMask
= vCoverageMask
;
998 // offset depth/stencil buffers current sample
999 uint8_t *pDepthSample
= pDepthBase
+ MultisampleTraits
<sampleCount
>::RasterTileDepthOffset(sample
);
1000 uint8_t *pStencilSample
= pStencilBase
+ MultisampleTraits
<sampleCount
>::RasterTileStencilOffset(sample
);
1003 if (CanEarlyZ(pPSState
))
1005 RDTSC_START(BEEarlyDepthTest
);
1006 depthPassMask
= DepthStencilTest(&state
, work
.triFlags
.frontFacing
,
1007 psContext
.vZ
, pDepthSample
, vCoverageMask
, pStencilSample
, &stencilPassMask
);
1008 RDTSC_STOP(BEEarlyDepthTest
, 0, 0);
1010 // early-exit if no samples passed depth or earlyZ is forced on.
1011 if (pPSState
->forceEarlyZ
|| !_simd_movemask_ps(depthPassMask
))
1013 DepthStencilWrite(&state
.vp
[0], &state
.depthStencilState
, work
.triFlags
.frontFacing
, psContext
.vZ
,
1014 pDepthSample
, depthPassMask
, vCoverageMask
, pStencilSample
, stencilPassMask
);
1016 if (!_simd_movemask_ps(depthPassMask
))
1018 work
.coverageMask
[sample
] >>= (SIMD_TILE_Y_DIM
* SIMD_TILE_X_DIM
);
1024 psContext
.sampleIndex
= sample
;
1025 psContext
.activeMask
= _simd_castps_si(vCoverageMask
);
1027 // execute pixel shader
1028 RDTSC_START(BEPixelShader
);
1029 UPDATE_STAT(PsInvocations
, _mm_popcnt_u32(_simd_movemask_ps(vCoverageMask
)));
1030 state
.psState
.pfnPixelShader(GetPrivateState(pDC
), &psContext
);
1031 RDTSC_STOP(BEPixelShader
, 0, 0);
1033 vCoverageMask
= _simd_castsi_ps(psContext
.activeMask
);
1036 if (!CanEarlyZ(pPSState
))
1038 RDTSC_START(BELateDepthTest
);
1039 depthPassMask
= DepthStencilTest(&state
, work
.triFlags
.frontFacing
,
1040 psContext
.vZ
, pDepthSample
, vCoverageMask
, pStencilSample
, &stencilPassMask
);
1041 RDTSC_STOP(BELateDepthTest
, 0, 0);
1043 if (!_simd_movemask_ps(depthPassMask
))
1045 // need to call depth/stencil write for stencil write
1046 DepthStencilWrite(&state
.vp
[0], &state
.depthStencilState
, work
.triFlags
.frontFacing
, psContext
.vZ
,
1047 pDepthSample
, depthPassMask
, vCoverageMask
, pStencilSample
, stencilPassMask
);
1049 work
.coverageMask
[sample
] >>= (SIMD_TILE_Y_DIM
* SIMD_TILE_X_DIM
);
1054 uint32_t statMask
= _simd_movemask_ps(depthPassMask
);
1055 uint32_t statCount
= _mm_popcnt_u32(statMask
);
1056 UPDATE_STAT(DepthPassCount
, statCount
);
1059 RDTSC_START(BEOutputMerger
);
1060 backendFuncs
.pfnOutputMerger(psContext
, pColorBase
, sample
, pBlendState
, state
.pfnBlendFunc
,
1061 vCoverageMask
, depthPassMask
);
1063 // do final depth write after all pixel kills
1064 if (!pPSState
->forceEarlyZ
)
1066 DepthStencilWrite(&state
.vp
[0], &state
.depthStencilState
, work
.triFlags
.frontFacing
, psContext
.vZ
,
1067 pDepthSample
, depthPassMask
, vCoverageMask
, pStencilSample
, stencilPassMask
);
1069 RDTSC_STOP(BEOutputMerger
, 0, 0);
1071 work
.coverageMask
[sample
] >>= (SIMD_TILE_Y_DIM
* SIMD_TILE_X_DIM
);
1073 RDTSC_START(BEEndTile
);
1074 pDepthBase
+= (KNOB_SIMD_WIDTH
* FormatTraits
<KNOB_DEPTH_HOT_TILE_FORMAT
>::bpp
) / 8;
1075 pStencilBase
+= (KNOB_SIMD_WIDTH
* FormatTraits
<KNOB_STENCIL_HOT_TILE_FORMAT
>::bpp
) / 8;
1077 for (uint32_t rt
= 0; rt
< NumRT
; ++rt
)
1079 pColorBase
[rt
] += (KNOB_SIMD_WIDTH
* FormatTraits
<KNOB_COLOR_HOT_TILE_FORMAT
>::bpp
) / 8;
1081 RDTSC_STOP(BEEndTile
, 0, 0);
1086 template<uint32_t sampleCountT
, uint32_t samplePattern
, uint32_t inputCoverage
, uint32_t centroidPos
, uint32_t forcedSampleCount
>
1087 void BackendPixelRate(DRAW_CONTEXT
*pDC
, uint32_t workerId
, uint32_t x
, uint32_t y
, SWR_TRIANGLE_DESC
&work
, RenderOutputBuffers
&renderBuffers
)
1089 // type safety guaranteed from template instantiation in BEChooser<>::GetFunc
1090 static const SWR_MULTISAMPLE_COUNT sampleCount
= (SWR_MULTISAMPLE_COUNT
)sampleCountT
;
1091 static const bool bIsStandardPattern
= (bool)samplePattern
;
1092 static const bool bInputCoverage
= (bool)inputCoverage
;
1093 static const bool bCentroidPos
= (bool)centroidPos
;
1094 static const bool bForcedSampleCount
= (bool)forcedSampleCount
;
1096 RDTSC_START(BESetup
);
1098 SWR_CONTEXT
*pContext
= pDC
->pContext
;
1099 const API_STATE
& state
= GetApiState(pDC
);
1100 const SWR_RASTSTATE
& rastState
= state
.rastState
;
1101 const SWR_PS_STATE
*pPSState
= &state
.psState
;
1102 const SWR_BLEND_STATE
*pBlendState
= &state
.blendState
;
1103 const BACKEND_FUNCS
& backendFuncs
= pDC
->pState
->backendFuncs
;
1105 // broadcast scalars
1106 BarycentricCoeffs coeffs
;
1107 coeffs
.vIa
= _simd_broadcast_ss(&work
.I
[0]);
1108 coeffs
.vIb
= _simd_broadcast_ss(&work
.I
[1]);
1109 coeffs
.vIc
= _simd_broadcast_ss(&work
.I
[2]);
1111 coeffs
.vJa
= _simd_broadcast_ss(&work
.J
[0]);
1112 coeffs
.vJb
= _simd_broadcast_ss(&work
.J
[1]);
1113 coeffs
.vJc
= _simd_broadcast_ss(&work
.J
[2]);
1115 coeffs
.vZa
= _simd_broadcast_ss(&work
.Z
[0]);
1116 coeffs
.vZb
= _simd_broadcast_ss(&work
.Z
[1]);
1117 coeffs
.vZc
= _simd_broadcast_ss(&work
.Z
[2]);
1119 coeffs
.vRecipDet
= _simd_broadcast_ss(&work
.recipDet
);
1121 coeffs
.vAOneOverW
= _simd_broadcast_ss(&work
.OneOverW
[0]);
1122 coeffs
.vBOneOverW
= _simd_broadcast_ss(&work
.OneOverW
[1]);
1123 coeffs
.vCOneOverW
= _simd_broadcast_ss(&work
.OneOverW
[2]);
1125 uint8_t *pColorBase
[SWR_NUM_RENDERTARGETS
];
1126 uint32_t NumRT
= state
.psState
.numRenderTargets
;
1127 for(uint32_t rt
= 0; rt
< NumRT
; ++rt
)
1129 pColorBase
[rt
] = renderBuffers
.pColor
[rt
];
1131 uint8_t *pDepthBase
= renderBuffers
.pDepth
, *pStencilBase
= renderBuffers
.pStencil
;
1132 RDTSC_STOP(BESetup
, 0, 0);
1134 SWR_PS_CONTEXT psContext
;
1135 psContext
.pAttribs
= work
.pAttribs
;
1136 psContext
.pPerspAttribs
= work
.pPerspAttribs
;
1137 psContext
.frontFace
= work
.triFlags
.frontFacing
;
1138 psContext
.primID
= work
.triFlags
.primID
;
1139 psContext
.pRecipW
= work
.pRecipW
;
1140 // save Ia/Ib/Ic and Ja/Jb/Jc if we need to reevaluate i/j/k in the shader because of pull attribs
1141 psContext
.I
= work
.I
;
1142 psContext
.J
= work
.J
;
1143 psContext
.recipDet
= work
.recipDet
;
1144 psContext
.pSamplePosX
= (const float*)&MultisampleTraits
<sampleCount
>::samplePosX
;
1145 psContext
.pSamplePosY
= (const float*)&MultisampleTraits
<sampleCount
>::samplePosY
;
1146 psContext
.sampleIndex
= 0;
1148 uint32_t numCoverageSamples
;
1149 if(bIsStandardPattern
)
1151 numCoverageSamples
= MultisampleTraits
<sampleCount
>::numSamples
;
1155 numCoverageSamples
= 1;
1158 uint32_t numOMSamples
;
1159 // RT has to be single sample if we're in forcedMSAA mode
1160 if(bForcedSampleCount
&& (sampleCount
> SWR_MULTISAMPLE_1X
))
1164 // unless we're forced to single sample, in which case we run the OM at the sample count of the RT
1165 else if(bForcedSampleCount
&& (sampleCount
== SWR_MULTISAMPLE_1X
))
1167 numOMSamples
= GetNumSamples(pBlendState
->sampleCount
);
1169 // else we're in normal MSAA mode and rasterizer and OM are running at the same sample count
1172 numOMSamples
= MultisampleTraits
<sampleCount
>::numSamples
;
1175 for(uint32_t yy
= y
; yy
< y
+ KNOB_TILE_Y_DIM
; yy
+= SIMD_TILE_Y_DIM
)
1177 psContext
.vY
.UL
= _simd_add_ps(vULOffsetsY
, _simd_set1_ps((float)yy
));
1178 psContext
.vY
.center
= _simd_add_ps(vCenterOffsetsY
, _simd_set1_ps((float)yy
));
1179 for(uint32_t xx
= x
; xx
< x
+ KNOB_TILE_X_DIM
; xx
+= SIMD_TILE_X_DIM
)
1181 simdscalar vZ
[MultisampleTraits
<sampleCount
>::numSamples
]{ 0 };
1182 psContext
.vX
.UL
= _simd_add_ps(vULOffsetsX
, _simd_set1_ps((float)xx
));
1183 // set pixel center positions
1184 psContext
.vX
.center
= _simd_add_ps(vCenterOffsetsX
, _simd_set1_ps((float)xx
));
1188 generateInputCoverage
<sampleCount
, bIsStandardPattern
, bForcedSampleCount
>(&work
.coverageMask
[0], psContext
.inputMask
, pBlendState
->sampleMask
);
1193 ///@ todo: don't need to genererate input coverage 2x if input coverage and centroid
1194 RDTSC_START(BEBarycentric
);
1195 backendFuncs
.pfnCalcCentroidBarycentrics(coeffs
, psContext
, &work
.coverageMask
[0], pBlendState
->sampleMask
, psContext
.vX
.UL
, psContext
.vY
.UL
);
1196 RDTSC_STOP(BEBarycentric
, 0, 0);
1199 // if oDepth written to, or there is a potential to discard any samples, we need to
1200 // run the PS early, then interp or broadcast Z and test
1201 if(pPSState
->writesODepth
|| pPSState
->killsPixel
)
1203 RDTSC_START(BEBarycentric
);
1204 backendFuncs
.pfnCalcPixelBarycentrics(coeffs
, psContext
);
1206 // interpolate and quantize z
1207 psContext
.vZ
= vplaneps(coeffs
.vZa
, coeffs
.vZb
, coeffs
.vZc
, psContext
.vI
.center
, psContext
.vJ
.center
);
1208 psContext
.vZ
= state
.pfnQuantizeDepth(psContext
.vZ
);
1209 RDTSC_STOP(BEBarycentric
, 0, 0);
1211 // execute pixel shader
1212 RDTSC_START(BEPixelShader
);
1213 state
.psState
.pfnPixelShader(GetPrivateState(pDC
), &psContext
);
1214 RDTSC_STOP(BEPixelShader
, 0, 0);
1218 psContext
.activeMask
= _simd_set1_epi32(-1);
1221 // need to declare enough space for all samples
1222 simdscalar vCoverageMask
[MultisampleTraits
<sampleCount
>::numSamples
];
1223 simdscalar depthPassMask
[MultisampleTraits
<sampleCount
>::numSamples
];
1224 simdscalar stencilPassMask
[MultisampleTraits
<sampleCount
>::numSamples
];
1225 simdscalar anyDepthSamplePassed
= _simd_setzero_ps();
1226 simdscalar anyStencilSamplePassed
= _simd_setzero_ps();
1227 for(uint32_t sample
= 0; sample
< numCoverageSamples
; sample
++)
1229 vCoverageMask
[sample
] = vMask(work
.coverageMask
[sample
] & MASK
);
1231 // pull mask back out for any discards and and with coverage
1232 vCoverageMask
[sample
] = _simd_and_ps(vCoverageMask
[sample
], _simd_castsi_ps(psContext
.activeMask
));
1234 if (!_simd_movemask_ps(vCoverageMask
[sample
]))
1236 vCoverageMask
[sample
] = depthPassMask
[sample
] = stencilPassMask
[sample
] = _simd_setzero_ps();
1240 if(bForcedSampleCount
)
1242 // candidate pixels (that passed coverage) will cause shader invocation if any bits in the samplemask are set
1243 const simdscalar vSampleMask
= _simd_castsi_ps(_simd_cmpgt_epi32(_simd_set1_epi32(pBlendState
->sampleMask
), _simd_setzero_si()));
1244 anyDepthSamplePassed
= _simd_or_ps(anyDepthSamplePassed
, _simd_and_ps(vCoverageMask
[sample
], vSampleMask
));
1248 depthPassMask
[sample
] = vCoverageMask
[sample
];
1250 // if oDepth isn't written to, we need to interpolate Z for each sample
1251 // if clip distances are enabled, we need to interpolate for each sample
1252 if(!pPSState
->writesODepth
|| rastState
.clipDistanceMask
)
1254 RDTSC_START(BEBarycentric
);
1255 if(bIsStandardPattern
)
1257 // calculate per sample positions
1258 psContext
.vX
.sample
= _simd_add_ps(psContext
.vX
.UL
, MultisampleTraits
<sampleCount
>::vX(sample
));
1259 psContext
.vY
.sample
= _simd_add_ps(psContext
.vY
.UL
, MultisampleTraits
<sampleCount
>::vY(sample
));
1263 psContext
.vX
.sample
= psContext
.vX
.center
;
1264 psContext
.vY
.sample
= psContext
.vY
.center
;
1267 // calc I & J per sample
1268 backendFuncs
.pfnCalcSampleBarycentrics(coeffs
, psContext
);
1270 // interpolate and quantize z
1271 if (!pPSState
->writesODepth
)
1273 vZ
[sample
] = vplaneps(coeffs
.vZa
, coeffs
.vZb
, coeffs
.vZc
, psContext
.vI
.sample
, psContext
.vJ
.sample
);
1274 vZ
[sample
] = state
.pfnQuantizeDepth(vZ
[sample
]);
1277 ///@todo: perspective correct vs non-perspective correct clipping?
1278 // interpolate clip distances
1279 if (rastState
.clipDistanceMask
)
1281 uint8_t clipMask
= ComputeUserClipMask(rastState
.clipDistanceMask
, work
.pUserClipBuffer
,
1282 psContext
.vI
.sample
, psContext
.vJ
.sample
);
1283 vCoverageMask
[sample
] = _simd_and_ps(vCoverageMask
[sample
], vMask(~clipMask
));
1285 RDTSC_STOP(BEBarycentric
, 0, 0);
1287 // else 'broadcast' and test psContext.vZ written from the PS each sample
1290 vZ
[sample
] = psContext
.vZ
;
1293 // offset depth/stencil buffers current sample
1294 uint8_t *pDepthSample
= pDepthBase
+ MultisampleTraits
<sampleCount
>::RasterTileDepthOffset(sample
);
1295 uint8_t * pStencilSample
= pStencilBase
+ MultisampleTraits
<sampleCount
>::RasterTileStencilOffset(sample
);
1297 // ZTest for this sample
1298 RDTSC_START(BEEarlyDepthTest
);
1299 stencilPassMask
[sample
] = vCoverageMask
[sample
];
1300 depthPassMask
[sample
] = DepthStencilTest(&state
, work
.triFlags
.frontFacing
,
1301 vZ
[sample
], pDepthSample
, vCoverageMask
[sample
], pStencilSample
, &stencilPassMask
[sample
]);
1302 RDTSC_STOP(BEEarlyDepthTest
, 0, 0);
1304 anyDepthSamplePassed
= _simd_or_ps(anyDepthSamplePassed
, depthPassMask
[sample
]);
1305 anyStencilSamplePassed
= _simd_or_ps(anyStencilSamplePassed
, stencilPassMask
[sample
]);
1306 uint32_t statMask
= _simd_movemask_ps(depthPassMask
[sample
]);
1307 uint32_t statCount
= _mm_popcnt_u32(statMask
);
1308 UPDATE_STAT(DepthPassCount
, statCount
);
1311 // if we didn't have to execute the PS early, and at least 1 sample passed the depth test, run the PS
1312 if(!pPSState
->writesODepth
&& !pPSState
->killsPixel
&& _simd_movemask_ps(anyDepthSamplePassed
))
1314 RDTSC_START(BEBarycentric
);
1315 backendFuncs
.pfnCalcPixelBarycentrics(coeffs
, psContext
);
1316 // interpolate and quantize z
1317 psContext
.vZ
= vplaneps(coeffs
.vZa
, coeffs
.vZb
, coeffs
.vZc
, psContext
.vI
.center
, psContext
.vJ
.center
);
1318 psContext
.vZ
= state
.pfnQuantizeDepth(psContext
.vZ
);
1319 RDTSC_STOP(BEBarycentric
, 0, 0);
1321 // execute pixel shader
1322 RDTSC_START(BEPixelShader
);
1323 state
.psState
.pfnPixelShader(GetPrivateState(pDC
), &psContext
);
1324 RDTSC_STOP(BEPixelShader
, 0, 0);
1326 ///@todo: make sure this works for kill pixel
1327 else if(!_simd_movemask_ps(anyStencilSamplePassed
))
1332 // loop over all samples, broadcasting the results of the PS to all passing pixels
1333 for(uint32_t sample
= 0; sample
< numOMSamples
; sample
++)
1335 uint8_t *pDepthSample
= pDepthBase
+ MultisampleTraits
<sampleCount
>::RasterTileDepthOffset(sample
);
1336 uint8_t * pStencilSample
= pStencilBase
+ MultisampleTraits
<sampleCount
>::RasterTileStencilOffset(sample
);
1339 RDTSC_START(BEOutputMerger
);
1341 // skip if none of the pixels for this sample passed
1342 simdscalar coverageMaskSample
;
1343 simdscalar depthMaskSample
;
1344 simdscalar stencilMaskSample
;
1345 simdscalar vInterpolatedZ
;
1347 // forcedSampleCount outputs to any pixels with covered samples not masked off by SampleMask
1348 // depth test is disabled, so just set the z val to 0.
1349 if(bForcedSampleCount
)
1351 coverageMaskSample
= depthMaskSample
= anyDepthSamplePassed
;
1352 vInterpolatedZ
= _simd_setzero_ps();
1354 else if(bIsStandardPattern
)
1356 if(!_simd_movemask_ps(depthPassMask
[sample
]))
1358 depthPassMask
[sample
] = _simd_setzero_ps();
1359 DepthStencilWrite(&state
.vp
[0], &state
.depthStencilState
, work
.triFlags
.frontFacing
, vZ
[sample
], pDepthSample
, depthPassMask
[sample
],
1360 vCoverageMask
[sample
], pStencilSample
, stencilPassMask
[sample
]);
1363 coverageMaskSample
= vCoverageMask
[sample
];
1364 depthMaskSample
= depthPassMask
[sample
];
1365 stencilMaskSample
= stencilPassMask
[sample
];
1366 vInterpolatedZ
= vZ
[sample
];
1370 // center pattern only needs to use a single depth test as all samples are at the same position
1371 if(!_simd_movemask_ps(depthPassMask
[0]))
1373 depthPassMask
[0] = _simd_setzero_ps();
1374 DepthStencilWrite(&state
.vp
[0], &state
.depthStencilState
, work
.triFlags
.frontFacing
, vZ
[0], pDepthSample
, depthPassMask
[0],
1375 vCoverageMask
[0], pStencilSample
, stencilPassMask
[0]);
1378 coverageMaskSample
= (vCoverageMask
[0]);
1379 depthMaskSample
= depthPassMask
[0];
1380 stencilMaskSample
= stencilPassMask
[0];
1381 vInterpolatedZ
= vZ
[0];
1385 RDTSC_START(BEOutputMerger
);
1386 backendFuncs
.pfnOutputMerger(psContext
, pColorBase
, sample
, pBlendState
, state
.pfnBlendFunc
,
1387 coverageMaskSample
, depthMaskSample
);
1389 DepthStencilWrite(&state
.vp
[0], &state
.depthStencilState
, work
.triFlags
.frontFacing
, vInterpolatedZ
, pDepthSample
, depthMaskSample
,
1390 coverageMaskSample
, pStencilSample
, stencilMaskSample
);
1391 RDTSC_STOP(BEOutputMerger
, 0, 0);
1395 RDTSC_START(BEEndTile
);
1396 for(uint32_t sample
= 0; sample
< numCoverageSamples
; sample
++)
1398 work
.coverageMask
[sample
] >>= (SIMD_TILE_Y_DIM
* SIMD_TILE_X_DIM
);
1401 pDepthBase
+= (KNOB_SIMD_WIDTH
* FormatTraits
<KNOB_DEPTH_HOT_TILE_FORMAT
>::bpp
) / 8;
1402 pStencilBase
+= (KNOB_SIMD_WIDTH
* FormatTraits
<KNOB_STENCIL_HOT_TILE_FORMAT
>::bpp
) / 8;
1404 for(uint32_t rt
= 0; rt
< NumRT
; ++rt
)
1406 pColorBase
[rt
] += (KNOB_SIMD_WIDTH
* FormatTraits
<KNOB_COLOR_HOT_TILE_FORMAT
>::bpp
) / 8;
1408 RDTSC_STOP(BEEndTile
, 0, 0);
1412 // optimized backend flow with NULL PS
1413 template<uint32_t sampleCountT
>
1414 void BackendNullPS(DRAW_CONTEXT
*pDC
, uint32_t workerId
, uint32_t x
, uint32_t y
, SWR_TRIANGLE_DESC
&work
, RenderOutputBuffers
&renderBuffers
)
1416 RDTSC_START(BESetup
);
1418 static const SWR_MULTISAMPLE_COUNT sampleCount
= (SWR_MULTISAMPLE_COUNT
)sampleCountT
;
1420 SWR_CONTEXT
*pContext
= pDC
->pContext
;
1421 const API_STATE
& state
= GetApiState(pDC
);
1422 const BACKEND_FUNCS
& backendFuncs
= pDC
->pState
->backendFuncs
;
1423 const SWR_RASTSTATE
& rastState
= pDC
->pState
->state
.rastState
;
1425 // broadcast scalars
1426 BarycentricCoeffs coeffs
;
1427 coeffs
.vIa
= _simd_broadcast_ss(&work
.I
[0]);
1428 coeffs
.vIb
= _simd_broadcast_ss(&work
.I
[1]);
1429 coeffs
.vIc
= _simd_broadcast_ss(&work
.I
[2]);
1431 coeffs
.vJa
= _simd_broadcast_ss(&work
.J
[0]);
1432 coeffs
.vJb
= _simd_broadcast_ss(&work
.J
[1]);
1433 coeffs
.vJc
= _simd_broadcast_ss(&work
.J
[2]);
1435 coeffs
.vZa
= _simd_broadcast_ss(&work
.Z
[0]);
1436 coeffs
.vZb
= _simd_broadcast_ss(&work
.Z
[1]);
1437 coeffs
.vZc
= _simd_broadcast_ss(&work
.Z
[2]);
1439 coeffs
.vRecipDet
= _simd_broadcast_ss(&work
.recipDet
);
1441 uint8_t *pDepthBase
= renderBuffers
.pDepth
, *pStencilBase
= renderBuffers
.pStencil
;
1443 RDTSC_STOP(BESetup
, 0, 0);
1445 SWR_PS_CONTEXT psContext
;
1446 for (uint32_t yy
= y
; yy
< y
+ KNOB_TILE_Y_DIM
; yy
+= SIMD_TILE_Y_DIM
)
1449 simdscalar vYSamplePosUL
= _simd_add_ps(vULOffsetsY
, _simd_set1_ps((float)yy
));
1451 for (uint32_t xx
= x
; xx
< x
+ KNOB_TILE_X_DIM
; xx
+= SIMD_TILE_X_DIM
)
1454 simdscalar vXSamplePosUL
= _simd_add_ps(vULOffsetsX
, _simd_set1_ps((float)xx
));
1456 // iterate over active samples
1457 unsigned long sample
= 0;
1458 uint32_t sampleMask
= state
.blendState
.sampleMask
;
1459 while (_BitScanForward(&sample
, sampleMask
))
1461 sampleMask
&= ~(1 << sample
);
1462 simdmask coverageMask
= work
.coverageMask
[sample
] & MASK
;
1465 RDTSC_START(BEBarycentric
);
1466 // calculate per sample positions
1467 psContext
.vX
.sample
= _simd_add_ps(vXSamplePosUL
, MultisampleTraits
<sampleCount
>::vX(sample
));
1468 psContext
.vY
.sample
= _simd_add_ps(vYSamplePosUL
, MultisampleTraits
<sampleCount
>::vY(sample
));
1470 backendFuncs
.pfnCalcSampleBarycentrics(coeffs
, psContext
);
1472 // interpolate and quantize z
1473 psContext
.vZ
= vplaneps(coeffs
.vZa
, coeffs
.vZb
, coeffs
.vZc
, psContext
.vI
.sample
, psContext
.vJ
.sample
);
1474 psContext
.vZ
= state
.pfnQuantizeDepth(psContext
.vZ
);
1476 RDTSC_STOP(BEBarycentric
, 0, 0);
1478 // interpolate user clip distance if available
1479 if (rastState
.clipDistanceMask
)
1481 coverageMask
&= ~ComputeUserClipMask(rastState
.clipDistanceMask
, work
.pUserClipBuffer
,
1482 psContext
.vI
.sample
, psContext
.vJ
.sample
);
1485 simdscalar vCoverageMask
= vMask(coverageMask
);
1486 simdscalar stencilPassMask
= vCoverageMask
;
1488 // offset depth/stencil buffers current sample
1489 uint8_t *pDepthSample
= pDepthBase
+ MultisampleTraits
<sampleCount
>::RasterTileDepthOffset(sample
);
1490 uint8_t *pStencilSample
= pStencilBase
+ MultisampleTraits
<sampleCount
>::RasterTileStencilOffset(sample
);
1492 RDTSC_START(BEEarlyDepthTest
);
1493 simdscalar depthPassMask
= DepthStencilTest(&state
, work
.triFlags
.frontFacing
,
1494 psContext
.vZ
, pDepthSample
, vCoverageMask
, pStencilSample
, &stencilPassMask
);
1495 DepthStencilWrite(&state
.vp
[0], &state
.depthStencilState
, work
.triFlags
.frontFacing
, psContext
.vZ
,
1496 pDepthSample
, depthPassMask
, vCoverageMask
, pStencilSample
, stencilPassMask
);
1497 RDTSC_STOP(BEEarlyDepthTest
, 0, 0);
1499 uint32_t statMask
= _simd_movemask_ps(depthPassMask
);
1500 uint32_t statCount
= _mm_popcnt_u32(statMask
);
1501 UPDATE_STAT(DepthPassCount
, statCount
);
1503 work
.coverageMask
[sample
] >>= (SIMD_TILE_Y_DIM
* SIMD_TILE_X_DIM
);
1505 pDepthBase
+= (KNOB_SIMD_WIDTH
* FormatTraits
<KNOB_DEPTH_HOT_TILE_FORMAT
>::bpp
) / 8;
1506 pStencilBase
+= (KNOB_SIMD_WIDTH
* FormatTraits
<KNOB_STENCIL_HOT_TILE_FORMAT
>::bpp
) / 8;
1511 void InitClearTilesTable()
1513 memset(sClearTilesTable
, 0, sizeof(sClearTilesTable
));
1515 sClearTilesTable
[R8G8B8A8_UNORM
] = ClearMacroTile
<R8G8B8A8_UNORM
>;
1516 sClearTilesTable
[B8G8R8A8_UNORM
] = ClearMacroTile
<B8G8R8A8_UNORM
>;
1517 sClearTilesTable
[R32_FLOAT
] = ClearMacroTile
<R32_FLOAT
>;
1518 sClearTilesTable
[R32G32B32A32_FLOAT
] = ClearMacroTile
<R32G32B32A32_FLOAT
>;
1519 sClearTilesTable
[R8_UINT
] = ClearMacroTile
<R8_UINT
>;
1522 PFN_BACKEND_FUNC gBackendNullPs
[SWR_MULTISAMPLE_TYPE_MAX
];
1523 PFN_BACKEND_FUNC gBackendSingleSample
[2][2] = {};
1524 PFN_BACKEND_FUNC gBackendPixelRateTable
[SWR_MULTISAMPLE_TYPE_MAX
][SWR_MSAA_SAMPLE_PATTERN_MAX
][SWR_INPUT_COVERAGE_MAX
][2][2] = {};
1525 PFN_BACKEND_FUNC gBackendSampleRateTable
[SWR_MULTISAMPLE_TYPE_MAX
][SWR_INPUT_COVERAGE_MAX
][2] = {};
1526 PFN_OUTPUT_MERGER gBackendOutputMergerTable
[SWR_NUM_RENDERTARGETS
+1][SWR_MULTISAMPLE_TYPE_MAX
] = {};
1527 PFN_CALC_PIXEL_BARYCENTRICS gPixelBarycentricTable
[2] = {};
1528 PFN_CALC_SAMPLE_BARYCENTRICS gSampleBarycentricTable
[2] = {};
1529 PFN_CALC_CENTROID_BARYCENTRICS gCentroidBarycentricTable
[SWR_MULTISAMPLE_TYPE_MAX
][2][2][2] = {};
1531 // Recursive template used to auto-nest conditionals. Converts dynamic enum function
1532 // arguments to static template arguments.
1533 template <uint32_t... ArgsT
>
1536 // Last Arg Terminator
1537 static PFN_OUTPUT_MERGER
GetFunc(SWR_MULTISAMPLE_COUNT tArg
)
1541 case SWR_MULTISAMPLE_1X
: return OutputMerger
<ArgsT
..., SWR_MULTISAMPLE_1X
>; break;
1542 case SWR_MULTISAMPLE_2X
: return OutputMerger
<ArgsT
..., SWR_MULTISAMPLE_2X
>; break;
1543 case SWR_MULTISAMPLE_4X
: return OutputMerger
<ArgsT
..., SWR_MULTISAMPLE_4X
>; break;
1544 case SWR_MULTISAMPLE_8X
: return OutputMerger
<ArgsT
..., SWR_MULTISAMPLE_8X
>; break;
1545 case SWR_MULTISAMPLE_16X
: return OutputMerger
<ArgsT
..., SWR_MULTISAMPLE_16X
>; break;
1547 SWR_ASSERT(0 && "Invalid sample count\n");
1553 // Recursively parse args
1554 template <typename
... TArgsT
>
1555 static PFN_OUTPUT_MERGER
GetFunc(uint32_t tArg
, TArgsT
... remainingArgs
)
1559 case 0: return OMChooser
<ArgsT
..., 0>::GetFunc(remainingArgs
...); break;
1560 case 1: return OMChooser
<ArgsT
..., 1>::GetFunc(remainingArgs
...); break;
1561 case 2: return OMChooser
<ArgsT
..., 2>::GetFunc(remainingArgs
...); break;
1562 case 3: return OMChooser
<ArgsT
..., 3>::GetFunc(remainingArgs
...); break;
1563 case 4: return OMChooser
<ArgsT
..., 4>::GetFunc(remainingArgs
...); break;
1564 case 5: return OMChooser
<ArgsT
..., 5>::GetFunc(remainingArgs
...); break;
1565 case 6: return OMChooser
<ArgsT
..., 6>::GetFunc(remainingArgs
...); break;
1566 case 7: return OMChooser
<ArgsT
..., 7>::GetFunc(remainingArgs
...); break;
1567 case 8: return OMChooser
<ArgsT
..., 8>::GetFunc(remainingArgs
...); break;
1569 SWR_ASSERT(0 && "Invalid RT index\n");
1576 // Recursive template used to auto-nest conditionals. Converts dynamic enum function
1577 // arguments to static template arguments.
1578 template <uint32_t... ArgsT
>
1579 struct BECentroidBarycentricChooser
1582 // Last Arg Terminator
1583 template <typename
... TArgsT
>
1584 static PFN_CALC_CENTROID_BARYCENTRICS
GetFunc(uint32_t tArg
)
1588 return CalcCentroidBarycentrics
<ArgsT
..., 1>;
1591 return CalcCentroidBarycentrics
<ArgsT
..., 0>;
1594 // Recursively parse args
1595 template <typename
... TArgsT
>
1596 static PFN_CALC_CENTROID_BARYCENTRICS
GetFunc(SWR_MULTISAMPLE_COUNT tArg
, TArgsT
... remainingArgs
)
1600 case SWR_MULTISAMPLE_1X
: return BECentroidBarycentricChooser
<ArgsT
..., SWR_MULTISAMPLE_1X
>::GetFunc(remainingArgs
...); break;
1601 case SWR_MULTISAMPLE_2X
: return BECentroidBarycentricChooser
<ArgsT
..., SWR_MULTISAMPLE_2X
>::GetFunc(remainingArgs
...); break;
1602 case SWR_MULTISAMPLE_4X
: return BECentroidBarycentricChooser
<ArgsT
..., SWR_MULTISAMPLE_4X
>::GetFunc(remainingArgs
...); break;
1603 case SWR_MULTISAMPLE_8X
: return BECentroidBarycentricChooser
<ArgsT
..., SWR_MULTISAMPLE_8X
>::GetFunc(remainingArgs
...); break;
1604 case SWR_MULTISAMPLE_16X
: return BECentroidBarycentricChooser
<ArgsT
..., SWR_MULTISAMPLE_16X
>::GetFunc(remainingArgs
...); break;
1606 SWR_ASSERT(0 && "Invalid sample count\n");
1612 // Recursively parse args
1613 template <typename
... TArgsT
>
1614 static PFN_CALC_CENTROID_BARYCENTRICS
GetFunc(uint32_t tArg
, TArgsT
... remainingArgs
)
1618 return BECentroidBarycentricChooser
<ArgsT
..., 1>::GetFunc(remainingArgs
...);
1621 return BECentroidBarycentricChooser
<ArgsT
..., 0>::GetFunc(remainingArgs
...);
1625 // Recursive template used to auto-nest conditionals. Converts dynamic enum function
1626 // arguments to static template arguments.
1627 template <uint32_t... ArgsT
>
1630 // Last Arg Terminator
1631 static PFN_BACKEND_FUNC
GetFunc(SWR_BACKEND_FUNCS tArg
)
1635 case SWR_BACKEND_SINGLE_SAMPLE
: return BackendSingleSample
<ArgsT
...>; break;
1636 case SWR_BACKEND_MSAA_PIXEL_RATE
: return BackendPixelRate
<ArgsT
...>; break;
1637 case SWR_BACKEND_MSAA_SAMPLE_RATE
: return BackendSampleRate
<ArgsT
...>; break;
1639 SWR_ASSERT(0 && "Invalid backend func\n");
1646 // Recursively parse args
1647 template <typename
... TArgsT
>
1648 static PFN_BACKEND_FUNC
GetFunc(SWR_MULTISAMPLE_COUNT tArg
, TArgsT
... remainingArgs
)
1652 case SWR_MULTISAMPLE_1X
: return BEChooser
<ArgsT
..., SWR_MULTISAMPLE_1X
>::GetFunc(remainingArgs
...); break;
1653 case SWR_MULTISAMPLE_2X
: return BEChooser
<ArgsT
..., SWR_MULTISAMPLE_2X
>::GetFunc(remainingArgs
...); break;
1654 case SWR_MULTISAMPLE_4X
: return BEChooser
<ArgsT
..., SWR_MULTISAMPLE_4X
>::GetFunc(remainingArgs
...); break;
1655 case SWR_MULTISAMPLE_8X
: return BEChooser
<ArgsT
..., SWR_MULTISAMPLE_8X
>::GetFunc(remainingArgs
...); break;
1656 case SWR_MULTISAMPLE_16X
: return BEChooser
<ArgsT
..., SWR_MULTISAMPLE_16X
>::GetFunc(remainingArgs
...); break;
1658 SWR_ASSERT(0 && "Invalid sample count\n");
1664 // Recursively parse args
1665 template <typename
... TArgsT
>
1666 static PFN_BACKEND_FUNC
GetFunc(uint32_t tArg
, TArgsT
... remainingArgs
)
1670 return BEChooser
<ArgsT
..., 1>::GetFunc(remainingArgs
...);
1673 return BEChooser
<ArgsT
..., 0>::GetFunc(remainingArgs
...);
1677 template <uint32_t numRenderTargets
, SWR_MULTISAMPLE_COUNT numSampleRates
>
1678 void InitBackendOMFuncTable(PFN_OUTPUT_MERGER (&table
)[numRenderTargets
][numSampleRates
])
1680 for(uint32_t rtNum
= SWR_ATTACHMENT_COLOR0
; rtNum
< numRenderTargets
; rtNum
++)
1682 for(uint32_t sampleCount
= SWR_MULTISAMPLE_1X
; sampleCount
< numSampleRates
; sampleCount
++)
1684 table
[rtNum
][sampleCount
] =
1685 OMChooser
<>::GetFunc((SWR_RENDERTARGET_ATTACHMENT
)rtNum
, (SWR_MULTISAMPLE_COUNT
)sampleCount
);
1690 template <SWR_MULTISAMPLE_COUNT numSampleRates
>
1691 void InitBackendBarycentricsTables(PFN_CALC_PIXEL_BARYCENTRICS (&pixelTable
)[2],
1692 PFN_CALC_SAMPLE_BARYCENTRICS (&sampleTable
)[2],
1693 PFN_CALC_CENTROID_BARYCENTRICS (¢roidTable
)[numSampleRates
][2][2][2])
1695 pixelTable
[0] = CalcPixelBarycentrics
<0>;
1696 pixelTable
[1] = CalcPixelBarycentrics
<1>;
1698 sampleTable
[0] = CalcSampleBarycentrics
<0>;
1699 sampleTable
[1] = CalcSampleBarycentrics
<1>;
1701 for(uint32_t sampleCount
= SWR_MULTISAMPLE_1X
; sampleCount
< numSampleRates
; sampleCount
++)
1703 for(uint32_t baryMask
= 0; baryMask
< 2; baryMask
++)
1705 for(uint32_t patternNum
= 0; patternNum
< 2; patternNum
++)
1707 for(uint32_t forcedSampleEnable
= 0; forcedSampleEnable
< 2; forcedSampleEnable
++)
1709 centroidTable
[sampleCount
][baryMask
][patternNum
][forcedSampleEnable
]=
1710 BECentroidBarycentricChooser
<>::GetFunc((SWR_MULTISAMPLE_COUNT
)sampleCount
, baryMask
, patternNum
, forcedSampleEnable
);
1717 void InitBackendSampleFuncTable(PFN_BACKEND_FUNC (&table
)[2][2])
1719 gBackendSingleSample
[0][0] = BEChooser
<>::GetFunc(SWR_MULTISAMPLE_1X
, SWR_MSAA_STANDARD_PATTERN
, SWR_INPUT_COVERAGE_NONE
, 0, 0, (SWR_BACKEND_FUNCS
)SWR_BACKEND_SINGLE_SAMPLE
);
1720 gBackendSingleSample
[0][1] = BEChooser
<>::GetFunc(SWR_MULTISAMPLE_1X
, SWR_MSAA_STANDARD_PATTERN
, SWR_INPUT_COVERAGE_NONE
, 1, 0, (SWR_BACKEND_FUNCS
)SWR_BACKEND_SINGLE_SAMPLE
);
1721 gBackendSingleSample
[1][0] = BEChooser
<>::GetFunc(SWR_MULTISAMPLE_1X
, SWR_MSAA_STANDARD_PATTERN
, SWR_INPUT_COVERAGE_NORMAL
, 0, 0, (SWR_BACKEND_FUNCS
)SWR_BACKEND_SINGLE_SAMPLE
);
1722 gBackendSingleSample
[1][1] = BEChooser
<>::GetFunc(SWR_MULTISAMPLE_1X
, SWR_MSAA_STANDARD_PATTERN
, SWR_INPUT_COVERAGE_NORMAL
, 1, 0, (SWR_BACKEND_FUNCS
)SWR_BACKEND_SINGLE_SAMPLE
);
1725 template <SWR_MULTISAMPLE_COUNT numSampleRates
, SWR_MSAA_SAMPLE_PATTERN numSamplePatterns
, SWR_INPUT_COVERAGE numCoverageModes
>
1726 void InitBackendPixelFuncTable(PFN_BACKEND_FUNC (&table
)[numSampleRates
][numSamplePatterns
][numCoverageModes
][2][2])
1728 for(uint32_t sampleCount
= SWR_MULTISAMPLE_1X
; sampleCount
< numSampleRates
; sampleCount
++)
1730 for(uint32_t samplePattern
= SWR_MSAA_CENTER_PATTERN
; samplePattern
< numSamplePatterns
; samplePattern
++)
1732 for(uint32_t inputCoverage
= SWR_INPUT_COVERAGE_NONE
; inputCoverage
< numCoverageModes
; inputCoverage
++)
1734 for(uint32_t isCentroid
= 0; isCentroid
< 2; isCentroid
++)
1736 table
[sampleCount
][samplePattern
][inputCoverage
][isCentroid
][0] =
1737 BEChooser
<>::GetFunc((SWR_MULTISAMPLE_COUNT
)sampleCount
, samplePattern
, inputCoverage
, isCentroid
, 0, (SWR_BACKEND_FUNCS
)SWR_BACKEND_MSAA_PIXEL_RATE
);
1738 table
[sampleCount
][samplePattern
][inputCoverage
][isCentroid
][1] =
1739 BEChooser
<>::GetFunc((SWR_MULTISAMPLE_COUNT
)sampleCount
, samplePattern
, inputCoverage
, isCentroid
, 1, (SWR_BACKEND_FUNCS
)SWR_BACKEND_MSAA_PIXEL_RATE
);
1746 template <uint32_t numSampleRates
, uint32_t numCoverageModes
>
1747 void InitBackendSampleFuncTable(PFN_BACKEND_FUNC (&table
)[numSampleRates
][numCoverageModes
][2])
1749 for(uint32_t sampleCount
= SWR_MULTISAMPLE_1X
; sampleCount
< numSampleRates
; sampleCount
++)
1751 for(uint32_t inputCoverage
= SWR_INPUT_COVERAGE_NONE
; inputCoverage
< numCoverageModes
; inputCoverage
++)
1753 table
[sampleCount
][inputCoverage
][0] =
1754 BEChooser
<>::GetFunc((SWR_MULTISAMPLE_COUNT
)sampleCount
, SWR_MSAA_STANDARD_PATTERN
, inputCoverage
, 0, 0, (SWR_BACKEND_FUNCS
)SWR_BACKEND_MSAA_SAMPLE_RATE
);
1755 table
[sampleCount
][inputCoverage
][1] =
1756 BEChooser
<>::GetFunc((SWR_MULTISAMPLE_COUNT
)sampleCount
, SWR_MSAA_STANDARD_PATTERN
, inputCoverage
, 1, 0, (SWR_BACKEND_FUNCS
)SWR_BACKEND_MSAA_SAMPLE_RATE
);
1761 void InitBackendFuncTables()
1763 InitBackendSampleFuncTable(gBackendSingleSample
);
1764 InitBackendPixelFuncTable
<(SWR_MULTISAMPLE_COUNT
)SWR_MULTISAMPLE_TYPE_MAX
, SWR_MSAA_SAMPLE_PATTERN_MAX
, SWR_INPUT_COVERAGE_MAX
>(gBackendPixelRateTable
);
1765 InitBackendSampleFuncTable
<SWR_MULTISAMPLE_TYPE_MAX
, SWR_INPUT_COVERAGE_MAX
>(gBackendSampleRateTable
);
1766 InitBackendOMFuncTable
<SWR_NUM_RENDERTARGETS
+1, SWR_MULTISAMPLE_TYPE_MAX
>(gBackendOutputMergerTable
);
1767 InitBackendBarycentricsTables
<(SWR_MULTISAMPLE_COUNT
)(SWR_MULTISAMPLE_TYPE_MAX
)>(gPixelBarycentricTable
, gSampleBarycentricTable
, gCentroidBarycentricTable
);
1769 gBackendNullPs
[SWR_MULTISAMPLE_1X
] = &BackendNullPS
< SWR_MULTISAMPLE_1X
> ;
1770 gBackendNullPs
[SWR_MULTISAMPLE_2X
] = &BackendNullPS
< SWR_MULTISAMPLE_2X
> ;
1771 gBackendNullPs
[SWR_MULTISAMPLE_4X
] = &BackendNullPS
< SWR_MULTISAMPLE_4X
> ;
1772 gBackendNullPs
[SWR_MULTISAMPLE_8X
] = &BackendNullPS
< SWR_MULTISAMPLE_8X
> ;
1773 gBackendNullPs
[SWR_MULTISAMPLE_16X
] = &BackendNullPS
< SWR_MULTISAMPLE_16X
> ;