+void st_swapbuffers(struct st_framebuffer *stfb,
+ struct pipe_surface **front_left,
+ struct pipe_surface **front_right);
+
+int st_bind_texture_surface(struct pipe_surface *ps, int target, int level,
+ enum pipe_format format);
+int st_unbind_texture_surface(struct pipe_surface *ps, int target, int level);