gallium/u_blitter: make clearing independent of the number of bound colorbuffers

We can use the fragment shader TGSI property WRITES_ALL_CBUFS. Reviewed-by: Brian Paul <brianp@vmware.com>
2013-05-29 15:35:38 +02:00
parent de1c38299c
commit 17350ea979
7 changed files with 43 additions and 59 deletions
--- a/src/gallium/auxiliary/util/u_simple_shaders.h
+++ b/src/gallium/auxiliary/util/u_simple_shaders.h
@@ -93,6 +93,10 @@ util_make_fragment_passthrough_shader(struct pipe_context *pipe,
                                      boolean write_all_cbufs);


+extern void *
+util_make_empty_fragment_shader(struct pipe_context *pipe);
+
+
 extern void *
 util_make_fragment_cloneinput_shader(struct pipe_context *pipe, int num_cbufs,
                                     int input_semantic,