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
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -1262,13 +1262,12 @@
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 */