[mutter] ClutterStageView: Initialize viewport/projection as dirty

[Jonas Ådahl <jadahl src gnome org>]

commit adcd0fe9b465d04b593e4c573bdfc687bee9aacd
Author: Jonas Ådahl <jadahl gmail com>
Date:   Mon Jul 25 15:39:44 2016 +0800

    ClutterStageView: Initialize viewport/projection as dirty
    
    Initially the viewport and projection is not calculated and should thus
    be marked as dirty.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=768976

 clutter/clutter/clutter-stage-view.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/clutter/clutter/clutter-stage-view.c b/clutter/clutter/clutter-stage-view.c
index 87d6102..8eb17b8 100644
--- a/clutter/clutter/clutter-stage-view.c
+++ b/clutter/clutter/clutter-stage-view.c
@@ -157,6 +157,11 @@ clutter_stage_view_dispose (GObject *object)
 static void
 clutter_stage_view_init (ClutterStageView *view)
 {
+  ClutterStageViewPrivate *priv =
+    clutter_stage_view_get_instance_private (view);
+
+  priv->dirty_viewport = TRUE;
+  priv->dirty_projection = TRUE;
 }
 
 static void