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actor: Also recompute paint volume if we recently dropped effects

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Otherwise we'll be stuck with the same paint volume on the last
frame of the given effect, which could be wrong.
This commit is contained in:
Sam Spilsbury 2018-09-02 22:17:43 +08:00 committed by Georges Basile Stavracas Neto
parent 5d19aee23a
commit a8a3c1017f
1 changed files with 13 additions and 2 deletions
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15
clutter/clutter/clutter-actor.c
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@ -841,6 +841,7 @@ struct _ClutterActorPrivate
guint needs_x_expand : 1; guint needs_x_expand : 1;
guint needs_y_expand : 1; guint needs_y_expand : 1;
guint needs_paint_volume_update : 1; guint needs_paint_volume_update : 1;
guint had_effects_on_last_paint_volume_update : 1;
}; };
enum enum
@ -17557,23 +17558,33 @@ _clutter_actor_has_active_paint_volume_override_effects (ClutterActor *self)
static ClutterPaintVolume * static ClutterPaintVolume *
_clutter_actor_get_paint_volume_mutable (ClutterActor *self) _clutter_actor_get_paint_volume_mutable (ClutterActor *self)
{ {
gboolean has_paint_volume_override_effects;
ClutterActorPrivate *priv; ClutterActorPrivate *priv;
priv = self->priv; priv = self->priv;
has_paint_volume_override_effects = _clutter_actor_has_active_paint_volume_override_effects (self);
if (priv->paint_volume_valid) if (priv->paint_volume_valid)
{ {
/* If effects are applied, the actor paint volume /* If effects are applied, the actor paint volume
* needs to be recomputed on each paint, since those * needs to be recomputed on each paint, since those
* paint volumes could change over the duration of the * paint volumes could change over the duration of the
* effect. */ * effect.
*
* We also need to update the paint volume if we went
* from having effects to not having effects on the last
* paint volume update. */
if (!priv->needs_paint_volume_update && if (!priv->needs_paint_volume_update &&
priv->current_effect == NULL && priv->current_effect == NULL &&
!_clutter_actor_has_active_paint_volume_override_effects (self)) !has_paint_volume_override_effects &&
!priv->had_effects_on_last_paint_volume_update)
return &priv->paint_volume; return &priv->paint_volume;
clutter_paint_volume_free (&priv->paint_volume); clutter_paint_volume_free (&priv->paint_volume);
} }
priv->had_effects_on_last_paint_volume_update = has_paint_volume_override_effects;
if (_clutter_actor_get_paint_volume_real (self, &priv->paint_volume)) if (_clutter_actor_get_paint_volume_real (self, &priv->paint_volume))
{ {
priv->paint_volume_valid = TRUE; priv->paint_volume_valid = TRUE;