mirrors/weston
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

compositor: Compute whether or not a surface is overlapped

Browse Source
This commit is contained in:
Kristian Høgsberg 2012-01-25 22:20:30 -05:00
parent ee324c20ed
commit 765bcdf1fa
2 changed files with 18 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/compositor.c
View File

@ -789,7 +789,8 @@ weston_output_repaint(struct weston_output *output)
{
struct weston_compositor *ec = output->compositor;
struct weston_surface *es;
pixman_region32_t opaque, new_damage, total_damage;
pixman_region32_t opaque, new_damage, total_damage,
overlap, surface_overlap;
output->prepare_render(output);
@ -805,11 +806,25 @@ weston_output_repaint(struct weston_output *output)
pixman_region32_init(&new_damage);
pixman_region32_init(&opaque);
pixman_region32_init(&overlap);
if (ec->fade.spring.current >= 0.001)
pixman_region32_union(&overlap, &overlap, &output->region);
wl_list_for_each(es, &ec->surface_list, link) {
pixman_region32_subtract(&es->damage, &es->damage, &opaque);
pixman_region32_union(&new_damage, &new_damage, &es->damage);
pixman_region32_union(&opaque, &opaque, &es->opaque);
pixman_region32_init(&surface_overlap);
pixman_region32_intersect_rect(&surface_overlap,
&overlap, es->x, es->y,
es->width, es->height);
es->overlapped = pixman_region32_not_empty(&surface_overlap);
pixman_region32_fini(&surface_overlap);
pixman_region32_union_rect(&overlap, &overlap, es->x, es->y,
es->width, es->height);
}
pixman_region32_init(&total_damage);
@ -819,6 +834,7 @@ weston_output_repaint(struct weston_output *output)
&new_damage, &output->region);
pixman_region32_fini(&opaque);
pixman_region32_fini(&overlap);
pixman_region32_fini(&new_damage);
wl_list_for_each(es, &ec->surface_list, link) {

1
src/compositor.h
View File

@ -241,6 +241,7 @@ struct weston_surface {
struct weston_transform *transform;
uint32_t alpha;
uint32_t visual;
int overlapped;
/*
* Which output to vsync this surface to.