compositor: Drop broken opaque repaint optimization for now

compositor/compositor.c

@@ -675,7 +675,7 @@ wlsc_output_repaint(struct wlsc_output *output)
 	struct wlsc_compositor *ec = output->compositor;
 	struct wlsc_surface *es;
 	struct wlsc_input_device *eid;
-	pixman_region32_t new_damage, total_damage, repaint;
+	pixman_region32_t new_damage, total_damage;
 	int using_hardware_cursor = 1;
 
 	output->prepare_render(output);
@@ -724,18 +724,6 @@ wlsc_output_repaint(struct wlsc_output *output)
 			glClear(GL_COLOR_BUFFER_BIT);
 		wlsc_surface_draw(es, output, &total_damage);
 	} else {
-		wl_list_for_each(es, &ec->surface_list, link) {
-			if (es->visual != &ec->compositor.rgb_visual)
-				continue;
-
-			pixman_region32_init_rect(&repaint,
-						  es->x, es->y,
-						  es->width, es->height);
-			wlsc_surface_draw(es, output, &total_damage);
-			pixman_region32_subtract(&total_damage,
-						 &total_damage, &repaint);
-		}
-
 		if (output->background)
 			wlsc_surface_draw(output->background,
 					  output, &total_damage);
@@ -747,14 +735,6 @@ wlsc_output_repaint(struct wlsc_output *output)
 			if (ec->overlay == es)
 				continue;
 
-			if (es->visual == &ec->compositor.rgb_visual) {
-				pixman_region32_union_rect(&total_damage,
-							   &total_damage,
-							   es->x, es->y,
-							   es->width, es->height);
-				continue;
-			}
-
 			wlsc_surface_draw(es, output, &total_damage);
 		}
 	}