[Mesa-dev] [PATCH 02/18] radeonsi: generate a color_two_side variant only if the shader reads colors

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

---
 src/gallium/drivers/radeonsi/si_state_shaders.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index bbef429..8613af2 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -681,7 +681,7 @@ static inline void si_shader_selector_key(struct pipe_context *ctx,
 				       sctx->current_rast_prim >= PIPE_PRIM_TRIANGLES_ADJACENCY;
 			bool is_line = !is_poly && sctx->current_rast_prim != PIPE_PRIM_POINTS;
 
-			key->ps.color_two_side = rs->two_side;
+			key->ps.color_two_side = rs->two_side && sel->info.colors_read;
 
 			if (sctx->queued.named.blend) {
 				key->ps.alpha_to_one = sctx->queued.named.blend->alpha_to_one &&
-- 
2.1.4