First stab at immutable state objects (create/bind/delete)

We want our state objects to be immutable, handled via the
create/bind/delete calls instead of struct propagation.
Only implementing the blend state to see how it would look like
and work.

1 files changed, 5 insertions, 2 deletions

diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h
index 56cae7d973..bd2efdb960 100644
--- a/src/mesa/state_tracker/st_context.h
+++ b/src/mesa/state_tracker/st_context.h
@@ -39,7 +39,7 @@ struct st_texture_image;
 struct st_fragment_program;
 struct draw_context;
 struct draw_stage;
-
+struct cso_cache;
 
 #define ST_NEW_MESA                    0x1 /* Mesa state has changed */
 #define ST_NEW_FRAGMENT_PROGRAM        0x2
@@ -74,8 +74,9 @@ struct st_context
     * though, we just shove random objects across the interface.  
     */
    struct {
+      const struct pipe_blend_state  *blend;
+
       struct pipe_alpha_test_state  alpha_test;
-      struct pipe_blend_state  blend;
       struct pipe_blend_color  blend_color;
       struct pipe_clear_color_state clear_color;
       struct pipe_clip_state clip;
@@ -122,6 +123,8 @@ struct st_context
    struct st_fragment_program *fp;
 
    struct pipe_buffer_handle *default_attrib_buffer;
+
+   struct cso_cache *cache;
 };