swr: [rasterizer core] SIMD16 Frontend WIP - fix tesselation crashes

Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>

3 files changed, 35 insertions, 31 deletions

diff --git a/src/gallium/drivers/swr/rasterizer/core/frontend.cpp b/src/gallium/drivers/swr/rasterizer/core/frontend.cpp
index 99d047da420..acbd779c328 100644
--- a/src/gallium/drivers/swr/rasterizer/core/frontend.cpp
+++ b/src/gallium/drivers/swr/rasterizer/core/frontend.cpp
@@ -610,6 +610,8 @@ INLINE static T RoundDownEven(T value)
 ///
 /// attribCount will limit the vector copies to those attribs specified
 ///
+/// note: the stride between vertexes is determinded by KNOB_NUM_ATTRIBUTES
+///
 void PackPairsOfSimdVertexIntoSimd16VertexInPlace(simdvertex *vertex, uint32_t vertexCount, uint32_t attribCount)
 {
     SWR_ASSERT(vertex);
@@ -1244,7 +1246,7 @@ static void TessellationStages(
         uint32_t requiredDSVectorInvocations = AlignUp(tsData.NumDomainPoints, KNOB_SIMD_WIDTH) / KNOB_SIMD_WIDTH;
         size_t requiredDSOutputVectors = requiredDSVectorInvocations * tsState.numDsOutputAttribs;
 #if USE_SIMD16_FRONTEND
-        size_t requiredAllocSize = sizeof(simdvector) * RoundUpEven(requiredDSOutputVectors);       // simd8 -> simd16, padding
+        size_t requiredAllocSize = sizeof(simdvector) * RoundUpEven(requiredDSVectorInvocations) * tsState.numDsOutputAttribs;      // simd8 -> simd16, padding
 #else
         size_t requiredAllocSize = sizeof(simdvector) * requiredDSOutputVectors;
 #endif
@@ -1253,7 +1255,7 @@ static void TessellationStages(
             AlignedFree(gt_pTessellationThreadData->pDSOutput);
             gt_pTessellationThreadData->pDSOutput = (simdscalar*)AlignedMalloc(requiredAllocSize, 64);
 #if USE_SIMD16_FRONTEND
-            gt_pTessellationThreadData->numDSOutputVectors = RoundUpEven(requiredDSOutputVectors);  // simd8 -> simd16, padding
+            gt_pTessellationThreadData->numDSOutputVectors = RoundUpEven(requiredDSVectorInvocations) * tsState.numDsOutputAttribs; // simd8 -> simd16, padding
 #else
             gt_pTessellationThreadData->numDSOutputVectors = requiredDSOutputVectors;
 #endif
@@ -1272,7 +1274,11 @@ static void TessellationStages(
         dsContext.pDomainU = (simdscalar*)tsData.pDomainPointsU;
         dsContext.pDomainV = (simdscalar*)tsData.pDomainPointsV;
         dsContext.pOutputData = gt_pTessellationThreadData->pDSOutput;
+#if USE_SIMD16_FRONTEND
+        dsContext.vectorStride = RoundUpEven(requiredDSVectorInvocations);      // simd8 -> simd16
+#else
         dsContext.vectorStride = requiredDSVectorInvocations;
+#endif
 
         uint32_t dsInvocations = 0;
 
@@ -1289,19 +1295,14 @@ static void TessellationStages(
         UPDATE_STAT_FE(DsInvocations, tsData.NumDomainPoints);
 
 #if USE_SIMD16_FRONTEND
-        // TEMPORARY: DS outputs simdvertex, PA inputs simd16vertex, so convert simdvertex to simd16vertex, in-place
-
-        PackPairsOfSimdVertexIntoSimd16VertexInPlace(
-            reinterpret_cast<simdvertex *>(dsContext.pOutputData),
-            RoundUpEven(dsContext.vectorStride),                                // simd8 -> simd16
-            tsState.numDsOutputAttribs);
+        SWR_ASSERT(IsEven(dsContext.vectorStride));                             // simd8 -> simd16
 
 #endif
         PA_TESS tessPa(
             pDC,
 #if USE_SIMD16_FRONTEND
             reinterpret_cast<const simd16scalar *>(dsContext.pOutputData),      // simd8 -> simd16
-            RoundUpEven(dsContext.vectorStride) / 2,                            // simd8 -> simd16
+            dsContext.vectorStride / 2,                                         // simd8 -> simd16
 #else
             dsContext.pOutputData,
             dsContext.vectorStride,
diff --git a/src/gallium/drivers/swr/rasterizer/core/pa.h b/src/gallium/drivers/swr/rasterizer/core/pa.h
index afeed657333..6160996cad3 100644
--- a/src/gallium/drivers/swr/rasterizer/core/pa.h
+++ b/src/gallium/drivers/swr/rasterizer/core/pa.h
@@ -233,8 +233,6 @@ struct PA_STATE_OPT : public PA_STATE
             this->reset = false;
         }
 
-        this->pfnPaFunc = this->pfnPaNextFunc;
-
         if (!HasWork())
         {
             morePrims = false;    // no more to do
@@ -290,12 +288,14 @@ struct PA_STATE_OPT : public PA_STATE
 
 #if ENABLE_AVX512_SIMD16
     void SetNextState_simd16(PA_STATE_OPT::PFN_PA_FUNC_SIMD16 pfnPaNextFunc_simd16,
+        PA_STATE_OPT::PFN_PA_FUNC pfnPaNextFunc,
         PA_STATE_OPT::PFN_PA_SINGLE_FUNC pfnPaNextSingleFunc,
         uint32_t numSimdPrims = 0,
         uint32_t numPrimsIncrement = 0,
         bool reset = false)
     {
         this->pfnPaNextFunc_simd16 = pfnPaNextFunc_simd16;
+        this->pfnPaNextFunc = pfnPaNextFunc;
         this->nextNumSimdPrims = numSimdPrims;
         this->nextNumPrimsIncrement = numPrimsIncrement;
         this->nextReset = reset;
@@ -344,12 +344,13 @@ INLINE void SetNextPaState(PA_STATE_OPT& pa, PA_STATE_OPT::PFN_PA_FUNC pfnPaNext
 
 #if ENABLE_AVX512_SIMD16
 INLINE void SetNextPaState_simd16(PA_STATE_OPT& pa, PA_STATE_OPT::PFN_PA_FUNC_SIMD16 pfnPaNextFunc_simd16,
+    PA_STATE_OPT::PFN_PA_FUNC pfnPaNextFunc,
     PA_STATE_OPT::PFN_PA_SINGLE_FUNC pfnPaNextSingleFunc,
     uint32_t numSimdPrims = 0,
     uint32_t numPrimsIncrement = 0,
     bool reset = false)
 {
-    return pa.SetNextState_simd16(pfnPaNextFunc_simd16, pfnPaNextSingleFunc, numSimdPrims, numPrimsIncrement, reset);
+    return pa.SetNextState_simd16(pfnPaNextFunc_simd16, pfnPaNextFunc, pfnPaNextSingleFunc, numSimdPrims, numPrimsIncrement, reset);
 }
 
 #endif
diff --git a/src/gallium/drivers/swr/rasterizer/core/pa_avx.cpp b/src/gallium/drivers/swr/rasterizer/core/pa_avx.cpp
index 23bf1e0fff4..2a4104aacd3 100644
--- a/src/gallium/drivers/swr/rasterizer/core/pa_avx.cpp
+++ b/src/gallium/drivers/swr/rasterizer/core/pa_avx.cpp
@@ -469,6 +469,7 @@ static bool PaPatchList_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector ver
     SetNextPaState_simd16(
         pa,
         PaPatchList_simd16<TotalControlPoints, CurrentControlPoints + 1>,
+        PaPatchList<TotalControlPoints, CurrentControlPoints + 1>,
         PaPatchListSingle<TotalControlPoints>);
 
     return false;
@@ -505,6 +506,7 @@ static bool PaPatchListTerm_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector
     SetNextPaState_simd16(
         pa,
         PaPatchList_simd16<TotalControlPoints>,
+        PaPatchList<TotalControlPoints>,
         PaPatchListSingle<TotalControlPoints>,
         0,
         KNOB_SIMD16_WIDTH,
@@ -741,13 +743,13 @@ bool PaTriList2(PA_STATE_OPT& pa, uint32_t slot, simdvector verts[])
 #if ENABLE_AVX512_SIMD16
 bool PaTriList0_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
 {
-    SetNextPaState_simd16(pa, PaTriList1_simd16, PaTriListSingle0);
+    SetNextPaState_simd16(pa, PaTriList1_simd16, PaTriList1, PaTriListSingle0);
     return false;    // Not enough vertices to assemble 16 triangles
 }
 
 bool PaTriList1_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
 {
-    SetNextPaState_simd16(pa, PaTriList2_simd16, PaTriListSingle0);
+    SetNextPaState_simd16(pa, PaTriList2_simd16, PaTriList2, PaTriListSingle0);
     return false;    // Not enough vertices to assemble 16 triangles
 }
 
@@ -781,7 +783,7 @@ bool PaTriList2_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
         v2[i] = _simd16_permute_ps(temp2, perm2);
     }
 
-    SetNextPaState_simd16(pa, PaTriList0_simd16, PaTriListSingle0, 0, KNOB_SIMD16_WIDTH, true);
+    SetNextPaState_simd16(pa, PaTriList0_simd16, PaTriList0, PaTriListSingle0, 0, KNOB_SIMD16_WIDTH, true);
     return true;
 }
 
@@ -1019,7 +1021,7 @@ bool PaTriStrip1(PA_STATE_OPT& pa, uint32_t slot, simdvector verts[])
 #if  ENABLE_AVX512_SIMD16
 bool PaTriStrip0_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
 {
-    SetNextPaState_simd16(pa, PaTriStrip1_simd16, PaTriStripSingle0);
+    SetNextPaState_simd16(pa, PaTriStrip1_simd16, PaTriStrip1, PaTriStripSingle0);
     return false;    // Not enough vertices to assemble 16 triangles.
 }
 
@@ -1050,7 +1052,7 @@ bool PaTriStrip1_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
         v2[i] = _simd16_shuffle_ps(a[i], shuff, _MM_SHUFFLE(2, 2, 2, 2));                           // a2 a2 a4 a4 a6 a6 a8 a8 aA aA aC aC aE aE b0 b0
     }
 
-    SetNextPaState_simd16(pa, PaTriStrip1_simd16, PaTriStripSingle0, 0, KNOB_SIMD16_WIDTH);
+    SetNextPaState_simd16(pa, PaTriStrip1_simd16, PaTriStrip1, PaTriStripSingle0, 0, KNOB_SIMD16_WIDTH);
     return true;
 }
 
@@ -1285,7 +1287,7 @@ bool PaTriFan1(PA_STATE_OPT& pa, uint32_t slot, simdvector verts[])
 #if ENABLE_AVX512_SIMD16
 bool PaTriFan0_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
 {
-    SetNextPaState_simd16(pa, PaTriFan1_simd16, PaTriFanSingle0);
+    SetNextPaState_simd16(pa, PaTriFan1_simd16, PaTriFan1, PaTriFanSingle0);
     return false;    // Not enough vertices to assemble 16 triangles.
 }
 
@@ -1319,7 +1321,7 @@ bool PaTriFan1_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
         v1[i] = _simd16_shuffle_ps(b[i], v2[i], _MM_SHUFFLE(2, 1, 2, 1));                           // b1 b2 b3 b4 b5 b6 b7 b8 b9 bA bB bC bD bE bF c0
     }
 
-    SetNextPaState_simd16(pa, PaTriFan1_simd16, PaTriFanSingle0, 0, KNOB_SIMD16_WIDTH);
+    SetNextPaState_simd16(pa, PaTriFan1_simd16, PaTriFan1, PaTriFanSingle0, 0, KNOB_SIMD16_WIDTH);
     return true;
 }
 
@@ -1457,7 +1459,7 @@ bool PaQuadList1(PA_STATE_OPT& pa, uint32_t slot, simdvector verts[])
 #if ENABLE_AVX512_SIMD16
 bool PaQuadList0_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
 {
-    SetNextPaState_simd16(pa, PaQuadList1_simd16, PaQuadListSingle0);
+    SetNextPaState_simd16(pa, PaQuadList1_simd16, PaQuadList1, PaQuadListSingle0);
     return false;    // Not enough vertices to assemble 16 triangles.
 }
 
@@ -1485,7 +1487,7 @@ bool PaQuadList1_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
         v2[i] = _simd16_shuffle_ps(temp0, temp1, _MM_SHUFFLE(3, 2, 3, 2));                          // a2 a3 a6 a7 aA aB aE aF b2 b3 b6 b7 bA bB bE bF
     }
 
-    SetNextPaState_simd16(pa, PaQuadList0_simd16, PaQuadListSingle0, 0, KNOB_SIMD16_WIDTH, true);
+    SetNextPaState_simd16(pa, PaQuadList0_simd16, PaQuadList0, PaQuadListSingle0, 0, KNOB_SIMD16_WIDTH, true);
     return true;
 }
 
@@ -1712,7 +1714,7 @@ bool PaLineLoop1(PA_STATE_OPT& pa, uint32_t slot, simdvector verts[])
 #if ENABLE_AVX512_SIMD16
 bool PaLineLoop0_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
 {
-    SetNextPaState_simd16(pa, PaLineLoop1_simd16, PaLineLoopSingle0);
+    SetNextPaState_simd16(pa, PaLineLoop1_simd16, PaLineLoop1, PaLineLoopSingle0);
     return false;
 }
 
@@ -1735,7 +1737,7 @@ bool PaLineLoop1_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
         }
     }
 
-    SetNextPaState_simd16(pa, PaLineLoop1_simd16, PaLineLoopSingle0, 0, KNOB_SIMD16_WIDTH);
+    SetNextPaState_simd16(pa, PaLineLoop1_simd16, PaLineLoop1, PaLineLoopSingle0, 0, KNOB_SIMD16_WIDTH);
     return true;
 }
 
@@ -1824,7 +1826,7 @@ bool PaLineList1(PA_STATE_OPT& pa, uint32_t slot, simdvector verts[])
 #if ENABLE_AVX512_SIMD16
 bool PaLineList0_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
 {
-    SetNextPaState_simd16(pa, PaLineList1_simd16, PaLineListSingle0);
+    SetNextPaState_simd16(pa, PaLineList1_simd16, PaLineList1, PaLineListSingle0);
     return false;    // Not enough vertices to assemble 16 lines
 }
 
@@ -1849,7 +1851,7 @@ bool PaLineList1_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
         v1[i] = _simd16_shuffle_ps(temp0, temp1, _MM_SHUFFLE(3, 1, 3, 1));                          // a1 a3 a5 a7 a9 aB aD aF b1 b3 b5 b7 b9 bB bD bF
     }
 
-    SetNextPaState_simd16(pa, PaLineList0_simd16, PaLineListSingle0, 0, KNOB_SIMD16_WIDTH, true);
+    SetNextPaState_simd16(pa, PaLineList0_simd16, PaLineList0, PaLineListSingle0, 0, KNOB_SIMD16_WIDTH, true);
     return true;
 }
 
@@ -2042,7 +2044,7 @@ bool PaLineStrip1(PA_STATE_OPT& pa, uint32_t slot, simdvector verts[])
 #if ENABLE_AVX512_SIMD16
 bool PaLineStrip0_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
 {
-    SetNextPaState_simd16(pa, PaLineStrip1_simd16, PaLineStripSingle0);
+    SetNextPaState_simd16(pa, PaLineStrip1_simd16, PaLineStrip1, PaLineStripSingle0);
     return false;    // Not enough vertices to assemble 16 lines
 }
 
@@ -2069,7 +2071,7 @@ bool PaLineStrip1_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
         v1[i] = _simd16_permute_ps(temp, perm);                                                     // a1 a2 a3 a4 a5 a6 a7 a8 a9 aA aB aC aD aE aF b0
     }
 
-    SetNextPaState_simd16(pa, PaLineStrip1_simd16, PaLineStripSingle0, 0, KNOB_SIMD16_WIDTH);
+    SetNextPaState_simd16(pa, PaLineStrip1_simd16, PaLineStrip1, PaLineStripSingle0, 0, KNOB_SIMD16_WIDTH);
     return true;
 }
 
@@ -2234,7 +2236,7 @@ bool PaPoints0_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
 
     verts[0] = a;  // points only have 1 vertex.
 
-    SetNextPaState_simd16(pa, PaPoints0_simd16, PaPointsSingle0, 0, KNOB_SIMD16_WIDTH, true);
+    SetNextPaState_simd16(pa, PaPoints0_simd16, PaPoints0, PaPointsSingle0, 0, KNOB_SIMD16_WIDTH, true);
     return true;
 }
 
@@ -2390,7 +2392,7 @@ bool PaRectList2(
 ///        There is not enough to assemble 8 triangles.
 bool PaRectList0_simd16(PA_STATE_OPT& pa, uint32_t slot, simd16vector verts[])
 {
-    SetNextPaState_simd16(pa, PaRectList1_simd16, PaRectListSingle0);
+    SetNextPaState_simd16(pa, PaRectList1_simd16, PaRectList1, PaRectListSingle0);
     return false;
 }
 
@@ -2494,7 +2496,7 @@ bool PaRectList1_simd16(
         v2[i] = _simd16_insert_ps(_simd16_setzero_ps(), v2_lo, 0);
     }
 
-    SetNextPaState_simd16(pa, PaRectList1_simd16, PaRectListSingle0, 0, KNOB_SIMD16_WIDTH, true);
+    SetNextPaState_simd16(pa, PaRectList1_simd16, PaRectList1, PaRectListSingle0, 0, KNOB_SIMD16_WIDTH, true);
     return true;
 }
 
@@ -2510,7 +2512,7 @@ bool PaRectList2_simd16(
     simd16vector verts[])
 {
     SWR_INVALID("Is rect list used for anything other then clears?");
-    SetNextPaState_simd16(pa, PaRectList0_simd16, PaRectListSingle0, 0, KNOB_SIMD16_WIDTH, true);
+    SetNextPaState_simd16(pa, PaRectList0_simd16, PaRectList0, PaRectListSingle0, 0, KNOB_SIMD16_WIDTH, true);
     return true;
 }