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