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surface-actor: Implement meta_cullable_is_untransformed interface

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Its `cull_out()` method was already implemented with geometry scale
in mind. Add a corresponding `is_untransformed()` method so culling
succeeds with geometry scale > 1.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/1036
This commit is contained in:
Robert Mader 2020-02-03 21:25:39 +01:00
parent 56ce25360c
commit 264f68858a
1 changed files with 23 additions and 0 deletions
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23
src/compositor/meta-surface-actor.c
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@ -20,6 +20,7 @@
#include "compositor/meta-surface-actor.h"
#include "clutter/clutter.h"
#include "compositor/clutter-utils.h"
#include "compositor/meta-cullable.h"
#include "compositor/meta-shaped-texture-private.h"
#include "compositor/meta-window-actor-private.h"
@ -292,6 +293,27 @@ meta_surface_actor_cull_out (MetaCullable *cullable,
}
}
static gboolean
meta_surface_actor_is_untransformed (MetaCullable *cullable)
{
ClutterActor *actor = CLUTTER_ACTOR (cullable);
MetaWindowActor *window_actor;
float width, height;
graphene_point3d_t verts[4];
int geometry_scale;
clutter_actor_get_size (actor, &width, &height);
clutter_actor_get_abs_allocation_vertices (actor, verts);
window_actor = meta_window_actor_from_actor (actor);
geometry_scale = meta_window_actor_get_geometry_scale (window_actor);
return meta_actor_vertices_are_untransformed (verts,
width * geometry_scale,
height * geometry_scale,
NULL, NULL);
}
static void
meta_surface_actor_reset_culling (MetaCullable *cullable)
{
@ -304,6 +326,7 @@ static void
cullable_iface_init (MetaCullableInterface *iface)
{
iface->cull_out = meta_surface_actor_cull_out;
iface->is_untransformed = meta_surface_actor_is_untransformed;
iface->reset_culling = meta_surface_actor_reset_culling;
}