diff --git a/src/compositor.h b/src/compositor.h
index 57d363a..f66e58d 100644
--- a/src/compositor.h
+++ b/src/compositor.h
@@ -284,6 +284,10 @@
 			       pixman_region32_t *output_damage);
 	void (*flush_damage)(struct weston_surface *surface);
 	void (*attach)(struct weston_surface *es, struct wl_buffer *buffer);
+	int (*create_surface)(struct weston_surface *surface);
+	void (*surface_set_color)(struct weston_surface *surface,
+			       float red, float green,
+			       float blue, float alpha);
 	void (*destroy_surface)(struct weston_surface *surface);
 };
 
@@ -421,10 +425,11 @@
 	struct wl_list link;
 	struct wl_list layer_link;
 	struct weston_shader *shader;
-	GLfloat color[4];
 	float alpha;
 	struct weston_plane *plane;
 
+	void *renderer_state;
+
 	/* Surface geometry state, mutable.
 	 * If you change anything, set dirty = 1.
 	 * That includes the transformations referenced from the list.