compositor: Use pixman_region32_intersect_rect() instead of temp region

We avoid reusing 'opaque' and don't leak the region.

diff --git a/src/compositor.c b/src/compositor.c
index 855203a..55d2060 100644 (file)
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -1262,13 +1262,12 @@ surface_commit(struct wl_client *client, struct wl_resource *resource)
        surface->pending.sy = 0;
 
        /* wl_surface.damage */
-       pixman_region32_init_rect(&opaque, 0, 0,
-                                 surface->geometry.width,
-                                 surface->geometry.height);
        pixman_region32_union(&surface->damage, &surface->damage,
                              &surface->pending.damage);
-       pixman_region32_intersect(&surface->damage, &surface->damage,
-                                 &opaque);
+       pixman_region32_intersect_rect(&surface->damage, &surface->damage,
+                                      0, 0,
+                                      surface->geometry.width,
+                                      surface->geometry.height);
        empty_region(&surface->pending.damage);
 
        /* wl_surface.set_opaque_region */