vc4: Mark when we add discards while lowering blend state.

diff --git a/src/gallium/drivers/vc4/vc4_nir_lower_blend.c b/src/gallium/drivers/vc4/vc4_nir_lower_blend.c
index f70821862cf003735332feca5839af1516099d14..b7e31b80c8ec85d3b60f14f562979e6cc641d8d5 100644 (file)
--- a/src/gallium/drivers/vc4/vc4_nir_lower_blend.c
+++ b/src/gallium/drivers/vc4/vc4_nir_lower_blend.c
@@ -494,6 +494,7 @@ vc4_nir_emit_alpha_test_discard(struct vc4_compile *c, nir_builder *b,
         discard->num_components = 1;
         discard->src[0] = nir_src_for_ssa(nir_inot(b, condition));
         nir_builder_instr_insert(b, &discard->instr);
+        c->s->info.fs.uses_discard = true;
 }
 
 static nir_ssa_def *