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compositor: weston_surface_assign_output() to use bounding box

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Use the bounding box to compute an approximation of which output
contains most of the surface.

Move the region32 init outside the loop, and fini it, too.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
This commit is contained in:
Pekka Paalanen 2012-01-26 11:34:16 +02:00
parent 3bfcd4d907
commit 45f3e405c6
1 changed files with 6 additions and 5 deletions
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11
src/compositor.c
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@ -1037,14 +1037,14 @@ weston_surface_assign_output(struct weston_surface *es)
uint32_t max, area;
pixman_box32_t *e;
weston_surface_update_transform(es);
new_output = NULL;
max = 0;
pixman_region32_init(&region);
wl_list_for_each(output, &ec->output_list, link) {
pixman_region32_init_rect(&region,
es->geometry.x, es->geometry.y,
es->geometry.width,
es->geometry.height);
pixman_region32_intersect(&region, &region, &output->region);
pixman_region32_intersect(&region, &es->transform.boundingbox,
&output->region);
e = pixman_region32_extents(&region);
area = (e->x2 - e->x1) * (e->y2 - e->y1);
@ -1054,6 +1054,7 @@ weston_surface_assign_output(struct weston_surface *es)
max = area;
}
}
pixman_region32_fini(&region);
es->output = new_output;
if (!wl_list_empty(&es->frame_callback_list)) {