added ST_SURFACE_DEPTH

src/mesa/state_tracker/st_framebuffer.c

@@ -155,7 +155,7 @@ st_get_framebuffer_surface(struct st_framebuffer *stfb, uint surfIndex)
 {
    struct st_renderbuffer *strb;
 
-   assert(surfIndex <= ST_SURFACE_BACK_RIGHT);
+   assert(surfIndex <= ST_SURFACE_DEPTH);
 
    /* sanity checks, ST tokens should match Mesa tokens */
    assert(ST_SURFACE_FRONT_LEFT == BUFFER_FRONT_LEFT);

src/mesa/state_tracker/st_public.h

@@ -35,6 +35,7 @@
 #define ST_SURFACE_BACK_LEFT    1
 #define ST_SURFACE_FRONT_RIGHT  2
 #define ST_SURFACE_BACK_RIGHT   3
+#define ST_SURFACE_DEPTH        8
 
 
 struct st_context;