swr: [rasterier core] fix GetRasterizerFunc selection

Only rasterize scissor edges if one or more scissor/viewport
rects are not hottile aligned.

Signed-off-by: Tim Rowley <timothy.o.rowley@intel.com>

diff --git a/src/gallium/drivers/swr/rasterizer/core/frontend.cpp b/src/gallium/drivers/swr/rasterizer/core/frontend.cpp
index 14303ea..db47078 100644 (file)
--- a/src/gallium/drivers/swr/rasterizer/core/frontend.cpp
+++ b/src/gallium/drivers/swr/rasterizer/core/frontend.cpp
@@ -1961,7 +1961,7 @@ void BinTriangles(
         // degenerate triangles won't be sent to rasterizer; just enable all edges
         pfnWork = GetRasterizerFunc(sampleCount, (rastState.conservativeRast > 0),
                                     (SWR_INPUT_COVERAGE)pDC->pState->state.psState.inputCoverage, ALL_EDGES_VALID, 
-                                    (rastState.scissorEnable > 0) || (state.scissorsTileAligned == false));
+                                    (state.scissorsTileAligned == false));
     }
 
     if (!triMask)
@@ -2105,7 +2105,7 @@ void BinTriangles(
             int32_t triEdgeEnable = (edgeEnable >> (triIndex * 3)) & ALL_EDGES_VALID;
             work.pfnWork = GetRasterizerFunc(sampleCount, (rastState.conservativeRast > 0),
                                         (SWR_INPUT_COVERAGE)pDC->pState->state.psState.inputCoverage, triEdgeEnable,
-                                        (rastState.scissorEnable > 0) || (state.scissorsTileAligned == false));
+                                        (state.scissorsTileAligned == false));
 
             // Degenerate triangles are required to be constant interpolated
             isDegenerate = (triEdgeEnable != ALL_EDGES_VALID) ? true : false;

diff --git a/src/gallium/drivers/swr/rasterizer/core/rasterizer.cpp b/src/gallium/drivers/swr/rasterizer/core/rasterizer.cpp
index 184ded5..c9380da 100644 (file)
--- a/src/gallium/drivers/swr/rasterizer/core/rasterizer.cpp
+++ b/src/gallium/drivers/swr/rasterizer/core/rasterizer.cpp
@@ -1340,7 +1340,7 @@ void RasterizeTriPoint(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t macroTile,
     // once at center and broadcast the results in the backend
     uint32_t sampleCount = (rastState.samplePattern == SWR_MSAA_STANDARD_PATTERN) ? rastState.sampleCount : SWR_MULTISAMPLE_1X;
     // conservative rast not supported for points/lines
-    pfnTriRast = GetRasterizerFunc(sampleCount, false, SWR_INPUT_COVERAGE_NONE, ALL_EDGES_VALID, (rastState.scissorEnable > 0) || (pDC->pState->state.scissorsTileAligned == false));
+    pfnTriRast = GetRasterizerFunc(sampleCount, false, SWR_INPUT_COVERAGE_NONE, ALL_EDGES_VALID, (pDC->pState->state.scissorsTileAligned == false));
 
     // overwrite texcoords for point sprites
     if (isPointSpriteTexCoordEnabled)
@@ -1670,7 +1670,7 @@ void RasterizeLine(DRAW_CONTEXT *pDC, uint32_t workerId, uint32_t macroTile, voi
     PFN_WORK_FUNC pfnTriRast;
     uint32_t sampleCount = (rastState.samplePattern == SWR_MSAA_STANDARD_PATTERN) ? rastState.sampleCount : SWR_MULTISAMPLE_1X;
     // conservative rast not supported for points/lines
-    pfnTriRast = GetRasterizerFunc(sampleCount, false, SWR_INPUT_COVERAGE_NONE, ALL_EDGES_VALID, (rastState.scissorEnable > 0) || (pDC->pState->state.scissorsTileAligned == false));
+    pfnTriRast = GetRasterizerFunc(sampleCount, false, SWR_INPUT_COVERAGE_NONE, ALL_EDGES_VALID, (pDC->pState->state.scissorsTileAligned == false));
 
     // make sure this macrotile intersects the triangle
     __m128i vXai = fpToFixedPoint(vXa);