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surface-actor-wayland: Optimize get_current_primary_view for single view

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In case we only have a single view (or there's only one view left to
check and the actor is visible on previous views) we can take a short-
cut, saving a region allocation and some calculations.

While on it, declare float numbers in '.f' style to make them more
recognizable.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1596>
This commit is contained in:
Robert Mader 2020-11-23 01:32:32 +01:00
parent 27131198c7
commit 3b7137cb35
1 changed files with 15 additions and 7 deletions
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22
src/compositor/meta-surface-actor-wayland.c
View File

@ -88,15 +88,15 @@ meta_surface_actor_wayland_get_current_primary_view (MetaSurfaceActor *actor,
ClutterStage *stage) ClutterStage *stage)
{ {
ClutterStageView *current_primary_view = NULL; ClutterStageView *current_primary_view = NULL;
float highest_refresh_rate = 0; float highest_refresh_rate = 0.f;
float biggest_unobscurred_fraction = 0; float biggest_unobscurred_fraction = 0.f;
GList *l; GList *l;
for (l = clutter_stage_peek_stage_views (stage); l; l = l->next) for (l = clutter_stage_peek_stage_views (stage); l; l = l->next)
{ {
ClutterStageView *stage_view = l->data; ClutterStageView *stage_view = l->data;
float refresh_rate; float refresh_rate;
float unobscurred_fraction = 1.0; float unobscurred_fraction = 1.f;
if (clutter_actor_has_mapped_clones (CLUTTER_ACTOR (actor))) if (clutter_actor_has_mapped_clones (CLUTTER_ACTOR (actor)))
{ {
@ -106,10 +106,18 @@ meta_surface_actor_wayland_get_current_primary_view (MetaSurfaceActor *actor,
} }
else else
{ {
if (meta_surface_actor_is_obscured_on_stage_view (actor, if (l->next || biggest_unobscurred_fraction > 0.f)
stage_view, {
&unobscurred_fraction)) if (meta_surface_actor_is_obscured_on_stage_view (actor,
continue; stage_view,
&unobscurred_fraction))
continue;
}
else
{
if (meta_surface_actor_is_obscured (actor))
continue;
}
} }
refresh_rate = clutter_stage_view_get_refresh_rate (stage_view); refresh_rate = clutter_stage_view_get_refresh_rate (stage_view);