compositor: make overlap computation use the boundingbox

This makes the overlap to account for surface transformations.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>

diff --git a/src/compositor.c b/src/compositor.c
index 9f94abf..87c0fbe 100644 (file)
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -910,18 +910,15 @@ weston_output_repaint(struct weston_output *output, int msecs)
        pixman_region32_init(&overlap);
 
        wl_list_for_each(es, &ec->surface_list, link) {
+               weston_surface_update_transform(es);
+
                pixman_region32_init(&surface_overlap);
-               pixman_region32_intersect_rect(&surface_overlap,
-                                              &overlap,
-                                              es->geometry.x, es->geometry.y,
-                                              es->geometry.width,
-                                              es->geometry.height);
+               pixman_region32_intersect(&surface_overlap, &overlap,
+                                         &es->transform.boundingbox);
                es->overlapped = pixman_region32_not_empty(&surface_overlap);
                pixman_region32_fini(&surface_overlap);
-               pixman_region32_union_rect(&overlap, &overlap,
-                                          es->geometry.x, es->geometry.y,
-                                          es->geometry.width,
-                                          es->geometry.height);
+               pixman_region32_union(&overlap, &overlap,
+                                     &es->transform.boundingbox);
        }
 
        weston_output_set_cursor(output, ec->input_device);