radeonsi: fix binding the dummy pixel shader

This fixes valgrind errors in glxinfo.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

3 files changed, 11 insertions, 24 deletions

diff --git a/src/gallium/drivers/radeonsi/radeonsi_pipe.h b/src/gallium/drivers/radeonsi/radeonsi_pipe.h
index e84088f11db..56145bc4111 100644
--- a/src/gallium/drivers/radeonsi/radeonsi_pipe.h
+++ b/src/gallium/drivers/radeonsi/radeonsi_pipe.h
@@ -166,7 +166,7 @@ struct r600_context {
 
 	/* With rasterizer discard, there doesn't have to be a pixel shader.
 	 * In that case, we bind this one: */
-	struct si_pipe_shader	*dummy_pixel_shader;
+	void			*dummy_pixel_shader;
 	struct r600_atom	cache_flush;
 	struct pipe_constant_buffer null_const_buf; /* used for set_constant_buffer(NULL) on CIK */
 
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 165475c6fd5..d99cfe88bc4 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -2335,15 +2335,12 @@ static void si_bind_vs_shader(struct pipe_context *ctx, void *state)
 	if (rctx->vs_shader == sel)
 		return;
 
-	rctx->vs_shader = sel;
-
-	if (sel && sel->current) {
-		si_pm4_bind_state(rctx, vs, sel->current->pm4);
-		rctx->b.streamout.stride_in_dw = sel->so.stride;
-	} else {
-		si_pm4_bind_state(rctx, vs, rctx->dummy_pixel_shader->pm4);
-	}
+	if (!sel || !sel->current)
+		return;
 
+	rctx->vs_shader = sel;
+	si_pm4_bind_state(rctx, vs, sel->current->pm4);
+	rctx->b.streamout.stride_in_dw = sel->so.stride;
 	rctx->b.flags |= R600_CONTEXT_INV_SHADER_CACHE;
 }
 
@@ -2355,13 +2352,11 @@ static void si_bind_ps_shader(struct pipe_context *ctx, void *state)
 	if (rctx->ps_shader == sel)
 		return;
 
-	rctx->ps_shader = sel;
-
-	if (sel && sel->current)
-		si_pm4_bind_state(rctx, ps, sel->current->pm4);
-	else
-		si_pm4_bind_state(rctx, ps, rctx->dummy_pixel_shader->pm4);
+	if (!sel || !sel->current)
+		sel = rctx->dummy_pixel_shader;
 
+	rctx->ps_shader = sel;
+	si_pm4_bind_state(rctx, ps, sel->current->pm4);
 	rctx->b.flags |= R600_CONTEXT_INV_SHADER_CACHE;
 }
 
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
index 952fab9d457..620ec7c1a80 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -470,17 +470,9 @@ static void si_update_derived_state(struct r600_context *rctx)
 		si_pipe_shader_ps(ctx, rctx->ps_shader->current);
 		ps_dirty = 0;
 	}
-	if (!rctx->ps_shader->current->bo) {
-		if (!rctx->dummy_pixel_shader->pm4)
-			si_pipe_shader_ps(ctx, rctx->dummy_pixel_shader);
-		else
-			si_pm4_bind_state(rctx, vs, rctx->dummy_pixel_shader->pm4);
-
-		ps_dirty = 0;
-	}
 	if (rctx->ps_shader->current->cb0_is_integer != rctx->fb_cb0_is_integer) {
 		si_pipe_shader_ps(ctx, rctx->ps_shader->current);
-		ps_dirty = 1;
+		ps_dirty = 0;
 	}
 
 	if (ps_dirty) {