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-rw-r--r--src/gallium/drivers/radeonsi/si_state_shaders.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index 9143f61fcdf..6fe6855ecc8 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -1168,10 +1168,13 @@ static void si_shader_selector_key_hw_vs(struct si_context *sctx,
/* Find out if PS is disabled. */
bool ps_disabled = true;
if (ps) {
+ const struct si_state_blend *blend = sctx->queued.named.blend;
+ bool alpha_to_coverage = blend && blend->alpha_to_coverage;
bool ps_modifies_zs = ps->info.uses_kill ||
ps->info.writes_z ||
ps->info.writes_stencil ||
ps->info.writes_samplemask ||
+ alpha_to_coverage ||
si_get_alpha_test_func(sctx) != PIPE_FUNC_ALWAYS;
unsigned ps_colormask = sctx->framebuffer.colorbuf_enabled_4bit &