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compositor: Implement damage_below by using the new compositor->damage

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We can now clip the surface bounding box against the previous frame
opaque clip, and then just union the result (visible damage) into
compositor->damage immediately.
This commit is contained in:
Kristian Høgsberg 2012-02-28 22:47:14 -05:00
parent 6ddcdaeb98
commit 1e8321213d
1 changed files with 8 additions and 26 deletions
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34
src/compositor.c
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@ -282,17 +282,15 @@ surface_to_global_float(struct weston_surface *surface,
WL_EXPORT void
weston_surface_damage_below(struct weston_surface *surface)
{
struct weston_surface *below;
struct weston_compositor *compositor = surface->compositor;
pixman_region32_t damage;
if (surface->output == NULL)
return;
if (surface->link.next == &surface->compositor->surface_list)
return;
below = container_of(surface->link.next, struct weston_surface, link);
pixman_region32_union(&below->damage, &below->damage,
&surface->transform.boundingbox);
pixman_region32_init(&damage);
pixman_region32_subtract(&damage, &surface->transform.boundingbox,
&surface->clip);
pixman_region32_union(&compositor->damage,
&compositor->damage, &damage);
pixman_region32_fini(&damage);
}
static void
@ -511,21 +509,6 @@ weston_surface_damage(struct weston_surface *surface)
weston_compositor_schedule_repaint(surface->compositor);
}
static void
weston_surface_flush_damage(struct weston_surface *surface)
{
struct weston_surface *below;
if (surface->output &&
surface->link.next != &surface->compositor->surface_list) {
below = container_of(surface->link.next,
struct weston_surface, link);
pixman_region32_union(&below->damage,
&below->damage, &surface->damage);
}
}
WL_EXPORT void
weston_surface_configure(struct weston_surface *surface,
GLfloat x, GLfloat y, int width, int height)
@ -615,7 +598,6 @@ static void
weston_surface_unmap(struct weston_surface *surface)
{
weston_surface_damage_below(surface);
weston_surface_flush_damage(surface);
surface->output = NULL;
wl_list_remove(&surface->link);
weston_compositor_repick(surface->compositor);