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-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_fs.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c
index 5af74fe7925..53e35ef6b3e 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_fs.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c
@@ -1294,7 +1294,8 @@ make_variant_key(struct llvmpipe_context *lp,
*
* Also, force rgb/alpha func/factors match, to make AoS blending easier.
*/
- if (format_desc->swizzle[3] > UTIL_FORMAT_SWIZZLE_W) {
+ if (format_desc->swizzle[3] > UTIL_FORMAT_SWIZZLE_W ||
+ format_desc->swizzle[3] == format_desc->swizzle[0]) {
blend_rt->rgb_src_factor = force_dst_alpha_one(blend_rt->rgb_src_factor);
blend_rt->rgb_dst_factor = force_dst_alpha_one(blend_rt->rgb_dst_factor);
blend_rt->alpha_func = blend_rt->rgb_func;