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softgpu: Correct scissor for pixel centers.

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Unknown W. Brackets 2021-11-07 11:19:41 -08:00
parent 3f4562c552
commit f66e243727
1 changed files with 8 additions and 2 deletions
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10
GPU/Software/Rasterizer.cpp
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@ -1315,9 +1315,9 @@ void DrawTriangle(const VertexData& v0, const VertexData& v1, const VertexData&
DrawingCoords scissorTL(gstate.getScissorX1(), gstate.getScissorY1(), 0);
DrawingCoords scissorBR(gstate.getScissorX2(), gstate.getScissorY2(), 0);
minX = std::max(minX, (int)TransformUnit::DrawingToScreen(scissorTL).x);
maxX = std::min(maxX, (int)TransformUnit::DrawingToScreen(scissorBR).x);
maxX = std::min(maxX, (int)TransformUnit::DrawingToScreen(scissorBR).x + 15);
minY = std::max(minY, (int)TransformUnit::DrawingToScreen(scissorTL).y);
maxY = std::min(maxY, (int)TransformUnit::DrawingToScreen(scissorBR).y);
maxY = std::min(maxY, (int)TransformUnit::DrawingToScreen(scissorBR).y + 15);
// 32 because we do two pixels at once, and we don't want overlap.
int rangeY = (maxY - minY) / 32 + 1;
@ -1366,6 +1366,9 @@ void DrawPoint(const VertexData &v0)
ScreenCoords scissorTL(TransformUnit::DrawingToScreen(DrawingCoords(gstate.getScissorX1(), gstate.getScissorY1(), 0)));
ScreenCoords scissorBR(TransformUnit::DrawingToScreen(DrawingCoords(gstate.getScissorX2(), gstate.getScissorY2(), 0)));
// Allow drawing within a pixel's center.
scissorBR.x += 15;
scissorBR.y += 15;
if (pos.x < scissorTL.x || pos.y < scissorTL.y || pos.x > scissorBR.x || pos.y > scissorBR.y)
return;
@ -1591,6 +1594,9 @@ void DrawLine(const VertexData &v0, const VertexData &v1)
ScreenCoords scissorTL(TransformUnit::DrawingToScreen(DrawingCoords(gstate.getScissorX1(), gstate.getScissorY1(), 0)));
ScreenCoords scissorBR(TransformUnit::DrawingToScreen(DrawingCoords(gstate.getScissorX2(), gstate.getScissorY2(), 0)));
// Allow drawing within a pixel's center.
scissorBR.x += 15;
scissorBR.y += 15;
bool clearMode = gstate.isModeClear();
int texbufw[8] = {0};