swr/rast: Refactor scratch space variable names

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

src/gallium/drivers/swr/rasterizer/core/api.cpp

@@ -633,15 +633,15 @@ void SwrSetCsFunc(HANDLE      hContext,
                   PFN_CS_FUNC pfnCsFunc,
                   uint32_t    totalThreadsInGroup,
                   uint32_t    totalSpillFillSize,
-                  uint32_t    scratchSpaceSizePerInstance,
-                  uint32_t    numInstances)
-{
-    API_STATE* pState                = GetDrawState(GetContext(hContext));
-    pState->pfnCsFunc                = pfnCsFunc;
-    pState->totalThreadsInGroup      = totalThreadsInGroup;
-    pState->totalSpillFillSize       = totalSpillFillSize;
-    pState->scratchSpaceSize         = scratchSpaceSizePerInstance;
-    pState->scratchSpaceNumInstances = numInstances;
+                  uint32_t    scratchSpaceSizePerWarp,
+                  uint32_t    numWarps)
+{
+    API_STATE* pState               = GetDrawState(GetContext(hContext));
+    pState->pfnCsFunc               = pfnCsFunc;
+    pState->totalThreadsInGroup     = totalThreadsInGroup;
+    pState->totalSpillFillSize      = totalSpillFillSize;
+    pState->scratchSpaceSizePerWarp = scratchSpaceSizePerWarp;
+    pState->scratchSpaceNumWarps    = numWarps;
 }
 
 void SwrSetTsState(HANDLE hContext, SWR_TS_STATE* pState)

src/gallium/drivers/swr/rasterizer/core/backend.cpp

@@ -65,7 +65,7 @@ void ProcessComputeBE(DRAW_CONTEXT* pDC,
     }
 
     size_t scratchSpaceSize =
-        pDC->pState->state.scratchSpaceSize * pDC->pState->state.scratchSpaceNumInstances;
+        pDC->pState->state.scratchSpaceSizePerWarp * pDC->pState->state.scratchSpaceNumWarps;
     if (scratchSpaceSize && pScratchSpace == nullptr)
     {
         pScratchSpace = pDC->pArena->AllocAlignedSync(scratchSpaceSize, KNOB_SIMD16_BYTES);
@@ -81,7 +81,7 @@ void ProcessComputeBE(DRAW_CONTEXT* pDC,
     csContext.pTGSM               = pContext->ppScratch[workerId];
     csContext.pSpillFillBuffer    = (uint8_t*)pSpillFillBuffer;
     csContext.pScratchSpace       = (uint8_t*)pScratchSpace;
-    csContext.scratchSpacePerSimd = pDC->pState->state.scratchSpaceSize;
+    csContext.scratchSpacePerWarp = pDC->pState->state.scratchSpaceSizePerWarp;
 
     state.pfnCsFunc(GetPrivateState(pDC),
                     pContext->threadPool.pThreadData[workerId].pWorkerPrivateData,

src/gallium/drivers/swr/rasterizer/core/context.h

@@ -264,8 +264,8 @@ OSALIGNLINE(struct) API_STATE
     PFN_CS_FUNC pfnCsFunc;
     uint32_t    totalThreadsInGroup;
     uint32_t    totalSpillFillSize;
-    uint32_t    scratchSpaceSize;
-    uint32_t    scratchSpaceNumInstances;
+    uint32_t    scratchSpaceSizePerWarp;
+    uint32_t    scratchSpaceNumWarps;
 
     // FE - Frontend State
     SWR_FRONTEND_STATE frontendState;

src/gallium/drivers/swr/rasterizer/core/state.h

@@ -421,7 +421,7 @@ struct SWR_CS_CONTEXT
     uint8_t* pSpillFillBuffer;    // Spill/fill buffer for barrier support
     uint8_t* pScratchSpace;       // Pointer to scratch space buffer used by the shader, shader is
                                   // responsible for subdividing scratch space per instance/simd
-    uint32_t scratchSpacePerSimd; // Scratch space per work item x SIMD_WIDTH
+    uint32_t scratchSpacePerWarp; // Scratch space per work item x SIMD_WIDTH
 
     SWR_SHADER_STATS stats; // OUT: shader statistics used for archrast.
 };