Adjust viewport rounding when scissor rect is disabled during macro
tile scissor setup.
---
src/gallium/drivers/swr/rasterizer/core/api.cpp | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/swr/rasterizer/core/api.cpp
b/src/gallium/drivers/swr/rasterizer/core/api.cpp
index 6460a16..aface7a 100644
--- a/src/gallium/drivers/swr/rasterizer/core/api.cpp
+++ b/src/gallium/drivers/swr/rasterizer/core/api.cpp
@@ -732,10 +732,12 @@ void SetupMacroTileScissors(DRAW_CONTEXT *pDC)
}
else
{
+ // the vp width and height must be added to origin un-rounded then the
result round to -inf.
+ // The cast to int works for rounding assuming all [left, right, top,
bottom] are positive.
left = (int32_t)pState->vp[0].x;
- right = (int32_t)pState->vp[0].x + (int32_t)pState->vp[0].width;
+ right = (int32_t)(pState->vp[0].x + pState->vp[0].width);
top = (int32_t)pState->vp[0].y;
- bottom = (int32_t)pState->vp[0].y + (int32_t)pState->vp[0].height;
+ bottom = (int32_t)(pState->vp[0].y + pState->vp[0].height);
}
right = std::min<uint32_t>(right, KNOB_MAX_SCISSOR_X);
--
1.9.1
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