[Mesa-dev] [PATCH 25/27] radeonsi: set user clip planes for the tessellation evaluation shader

[Marek Olšák]

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

---
 src/gallium/drivers/radeonsi/si_state.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 4d6ff38..05cb67f 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -465,10 +465,18 @@ static void si_set_clip_state(struct pipe_context *ctx,
         }
 
 	cb.buffer = NULL;
-	cb.user_buffer = state->ucp;
-	cb.buffer_offset = 0;
-	cb.buffer_size = 4*4*8;
+	cb.user_buffer = NULL;
+	cb.buffer_size = sizeof(state->ucp);
+
+	si_upload_const_buffer(sctx, (struct r600_resource**)&cb.buffer,
+			       (void*)state->ucp, sizeof(state->ucp),
+			       &cb.buffer_offset);
+
+	/* TODO: can we have a buffer slot that is shared by all stages,
+	 * so that we don't have to bind this twice?
+	 */
 	ctx->set_constant_buffer(ctx, PIPE_SHADER_VERTEX, SI_DRIVER_STATE_CONST_BUF, &cb);
+	ctx->set_constant_buffer(ctx, PIPE_SHADER_TESS_EVAL, SI_DRIVER_STATE_CONST_BUF, &cb);
 	pipe_resource_reference(&cb.buffer, NULL);
 
 	si_pm4_set_state(sctx, clip, pm4);
-- 
2.1.0