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authorMarek Olšák <[email protected]>2011-08-19 21:48:12 +0200
committerMarek Olšák <[email protected]>2011-08-19 23:12:11 +0200
commit751a6ed893d393eaea266d892402d132f7d15a7d (patch)
tree83855d3246b7cdd0587c5755a390d61702ae45f4 /src/gallium
parent98a87a594b6983d2a05d9412e3fa074894c334ff (diff)
r600g: hack around a problem with texture alignment
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/r600/r600_texture.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c
index 74219e8005f..5681dd88e50 100644
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -198,6 +198,16 @@ static unsigned r600_texture_get_nblocksy(struct pipe_screen *screen,
height = util_format_get_nblocksy(rtex->real_format, height);
tile_height = r600_get_height_alignment(screen,
rtex->array_mode[level]);
+
+ /* XXX Hack around an alignment issue. Less tests fail with this.
+ *
+ * The thing is depth-stencil buffers should be tiled, i.e.
+ * the alignment should be >=8. If I make them tiled, stencil starts
+ * working because it no longer overlaps with the depth buffer
+ * in memory, but texturing like drawpix-stencil breaks. */
+ if (util_format_is_depth_or_stencil(rtex->real_format) && tile_height < 8)
+ tile_height = 8;
+
height = align(height, tile_height);
return height;
}