I don't know where this alignment restriction came from. We have an
assert() in intel_miptree_map_movntdqa() which expects the pitch to
be 16 byte aligned.
Signed-off-by: Anuj Phogat <anuj.pho...@gmail.com>
---
src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index d4d9e76..b0b2697 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -2659,7 +2659,9 @@ intel_miptree_map(struct brw_context *brw,
} else if (use_intel_mipree_map_blit(brw, mt, mode, level, slice)) {
intel_miptree_map_blit(brw, mt, map, level, slice);
#if defined(USE_SSE41)
- } else if (!(mode & GL_MAP_WRITE_BIT) && !mt->compressed && cpu_has_sse4_1)
{
+ } else if (!(mode & GL_MAP_WRITE_BIT) &&
+ !mt->compressed && cpu_has_sse4_1 &&
+ (mt->pitch % 16 == 0)) {
intel_miptree_map_movntdqa(brw, mt, map, level, slice);
#endif
} else {
--
1.9.3
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