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surface-actor: Queue rectangles of update region separately

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This aims to help reduce the amount of pixels redrawn on the screen in
case the damage rectangle is partially occluded by another surface.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2965>
This commit is contained in:
msizanoen1 2023-04-17 18:27:18 +07:00 committed by Marge Bot
parent 4048562961
commit 3f85158b85
1 changed files with 10 additions and 3 deletions
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13
src/compositor/meta-surface-actor.c
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@ -412,10 +412,17 @@ meta_surface_actor_update_area (MetaSurfaceActor *self,
if (!cairo_region_is_empty (intersection))
{
cairo_rectangle_int_t damage_rect;
int i, n_rectangles;
n_rectangles = cairo_region_num_rectangles (intersection);
for (i = 0; i < n_rectangles; i++)
{
cairo_rectangle_int_t rect;
cairo_region_get_rectangle (intersection, i, &rect);
clutter_actor_queue_redraw_with_clip (CLUTTER_ACTOR (self), &rect);
}
cairo_region_get_extents (intersection, &damage_rect);
clutter_actor_queue_redraw_with_clip (CLUTTER_ACTOR (self), &damage_rect);
repaint_scheduled = TRUE;
}