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Set the SYNC_MATRICES flag when a stage is first realized

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The stage will usually be painted before the first ConfigureNotify
arrives so we need to set the SYNC_MATRICES flag to ensure that the
viewport will be correct for that paint. Unfortunately this means that
the viewport will be set again once the ConfigureNotify is received
but compared to rendering an initial invalid scene I think it is the
lesser of two evils.
This commit is contained in:
Neil Roberts 2009-01-21 12:47:29 +00:00
parent cdb360107b
commit 54f4ed775c
1 changed files with 5 additions and 0 deletions
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5
clutter/clutter-stage.c
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@ -258,6 +258,11 @@ clutter_stage_realize (ClutterActor *self)
CLUTTER_ACTOR_SET_FLAGS (self, CLUTTER_ACTOR_REALIZED);
/* Make sure the viewport and projection matrix are valid for the
first paint (which will likely occur before the ConfigureNotify
is received) */
CLUTTER_SET_PRIVATE_FLAGS (self, CLUTTER_ACTOR_SYNC_MATRICES);
g_assert (priv->impl != NULL);
CLUTTER_ACTOR_GET_CLASS (priv->impl)->realize (priv->impl);