void
meta_surface_actor_process_damage (MetaSurfaceActor *self,
int x, int y, int width, int height)
{
MetaSurfaceActorPrivate *priv = self->priv;
if (is_frozen (self))
{
/* The window is frozen due to an effect in progress: we ignore damage
* here on the off chance that this will stop the corresponding
* texture_from_pixmap from being update.
*
* needs_damage_all tracks that some unknown damage happened while the
* window was frozen so that when the window becomes unfrozen we can
* issue a full window update to cover any lost damage.
*
* It should be noted that this is an unreliable mechanism since it's
* quite likely that drivers will aim to provide a zero-copy
* implementation of the texture_from_pixmap extension and in those cases
* any drawing done to the window is always immediately reflected in the
* texture regardless of damage event handling.
*/
priv->needs_damage_all = TRUE;
return;
}
META_SURFACE_ACTOR_GET_CLASS (self)->process_damage (self, x, y, width, height);
}
void
meta_surface_actor_process_damage (MetaSurfaceActor *self,
int x, int y, int width, int height)
{
MetaSurfaceActorPrivate *priv = self->priv;
if (is_frozen (self))
{
/* The window is frozen due to an effect in progress: we ignore damage
* here on the off chance that this will stop the corresponding
* texture_from_pixmap from being update.
*
* pending_damage tracks any damage that happened while the window was
* frozen so that when can apply it when the window becomes unfrozen.
*
* It should be noted that this is an unreliable mechanism since it's
* quite likely that drivers will aim to provide a zero-copy
* implementation of the texture_from_pixmap extension and in those cases
* any drawing done to the window is always immediately reflected in the
* texture regardless of damage event handling.
*/
cairo_rectangle_int_t rect = { .x = x, .y = y, .width = width, .height = height };
if (!priv->pending_damage)
priv->pending_damage = cairo_region_create_rectangle (&rect);
else
cairo_region_union_rectangle (priv->pending_damage, &rect);
return;
}
META_SURFACE_ACTOR_GET_CLASS (self)->process_damage (self, x, y, width, height);
if (meta_surface_actor_is_visible (self))
meta_surface_actor_update_area (self, x, y, width, height);
}
MetaWindow *
meta_surface_actor_get_window (MetaSurfaceActor *self)
{
return META_SURFACE_ACTOR_GET_CLASS (self)->get_window (self);
}
gboolean
meta_surface_actor_is_unredirected (MetaSurfaceActor *self)
{
return META_SURFACE_ACTOR_GET_CLASS (self)->is_unredirected (self);
}
void
meta_surface_actor_set_unredirected (MetaSurfaceActor *self,
gboolean unredirected)
{
META_SURFACE_ACTOR_GET_CLASS (self)->set_unredirected (self, unredirected);
}
gboolean
meta_surface_actor_should_unredirect (MetaSurfaceActor *self)
{
return META_SURFACE_ACTOR_GET_CLASS (self)->should_unredirect (self);
}
gboolean
meta_surface_actor_is_visible (MetaSurfaceActor *self)
{
return META_SURFACE_ACTOR_GET_CLASS (self)->is_visible (self);
}
void
meta_surface_actor_pre_paint (MetaSurfaceActor *self)
{
META_SURFACE_ACTOR_GET_CLASS (self)->pre_paint (self);
}
