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stage: Sometimes really force a full redraw

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Since clutter_actor_queue_redraw now automatically clips redraws
according to the paint volume of the actor we have to be careful to
ensure we really force a full redraw when the stage is allocated a new
size or the stage viewport changes.
This commit is contained in:
Robert Bragg 2010-09-07 23:25:18 +01:00
parent 2235e70585
commit 95ff71d01c
1 changed files with 18 additions and 2 deletions
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20
clutter/clutter-stage.c
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@ -210,6 +210,22 @@ clutter_stage_get_preferred_height (ClutterActor *self,
if (natural_height_p)
*natural_height_p = geom.height;
}
static void
queue_full_redraw (ClutterStage *stage)
{
ClutterStageWindow *stage_window;
clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
/* Just calling clutter_actor_queue_redraw will typically only
* redraw the bounding box of the children parented on the stage but
* in this case we really need to ensure that the full stage is
* redrawn so we add a NULL redraw clip to the stage window. */
stage_window = _clutter_stage_get_window (stage);
_clutter_stage_window_add_redraw_clip (stage_window, NULL);
}
static void
clutter_stage_allocate (ClutterActor *self,
const ClutterActorBox *box,
@ -311,7 +327,7 @@ clutter_stage_allocate (ClutterActor *self,
/* Note: we don't assume that set_viewport will queue a full redraw
* since it may bail-out early if something preemptively set the
* viewport before the stage was really allocated its new size. */
clutter_actor_queue_redraw (self);
queue_full_redraw (CLUTTER_STAGE (self));
}
/* This provides a common point of entry for painting the scenegraph
@ -1792,7 +1808,7 @@ _clutter_stage_set_viewport (ClutterStage *stage,
priv->dirty_viewport = TRUE;
clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
queue_full_redraw (stage);
}
/* This simply provides a simple mechanism for us to ensure that