Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
---
src/gallium/drivers/swr/rasterizer/memory/ClearTile.cpp | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/swr/rasterizer/memory/ClearTile.cpp
b/src/gallium/drivers/swr/rasterizer/memory/ClearTile.cpp
index 31a40a3..ee13f55 100644
--- a/src/gallium/drivers/swr/rasterizer/memory/ClearTile.cpp
+++ b/src/gallium/drivers/swr/rasterizer/memory/ClearTile.cpp
@@ -60,6 +60,12 @@ struct StoreRasterTileClear
UINT x, UINT y, // (x, y) pixel coordinate to start of raster tile.
uint32_t renderTargetArrayIndex)
{
+ // If we're outside of the surface, stop.
+ uint32_t lodWidth = std::max<uint32_t>(pDstSurface->width >>
pDstSurface->lod, 1U);
+ uint32_t lodHeight = std::max<uint32_t>(pDstSurface->height >>
pDstSurface->lod, 1U);
+ if (x >= lodWidth || y >= lodHeight)
+ return;
+
// Compute destination address for raster tile.
uint8_t* pDstTile = (uint8_t*)ComputeSurfaceAddress<false, false>(
x, y, pDstSurface->arrayIndex + renderTargetArrayIndex,
@@ -73,7 +79,7 @@ struct StoreRasterTileClear
UINT dstBytesPerRow = 0;
// For each raster tile pixel in row 0 (rx, 0)
- for (UINT rx = 0; (rx < KNOB_TILE_X_DIM) && ((x + rx) <
pDstSurface->width); ++rx)
+ for (UINT rx = 0; (rx < KNOB_TILE_X_DIM) && ((x + rx) < lodWidth);
++rx)
{
memcpy(pDst, dstFormattedColor, dstBytesPerPixel);
@@ -86,7 +92,7 @@ struct StoreRasterTileClear
pDst = pDstTile + pDstSurface->pitch;
// For each remaining row in the rest of the raster tile
- for (UINT ry = 1; (ry < KNOB_TILE_Y_DIM) && ((y + ry) <
pDstSurface->height); ++ry)
+ for (UINT ry = 1; (ry < KNOB_TILE_Y_DIM) && ((y + ry) < lodHeight);
++ry)
{
// copy row
memcpy(pDst, pDstTile, dstBytesPerRow);
--
2.7.3
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