[clutter-gtk] embed: Use the GDK visual from Clutter

[Emmanuele Bassi <ebassi src gnome org>]

commit 60df86a6fbc0f5893fff182b4308c2ee4d679569
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Jun 10 12:03:54 2015 +0100

    embed: Use the GDK visual from Clutter
    
    Instead of relying on the widget one. This is similar to what we do when
    running with the X11 backend.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=747489

 clutter-gtk/gtk-clutter-embed.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/clutter-gtk/gtk-clutter-embed.c b/clutter-gtk/gtk-clutter-embed.c
index 64cc8b6..80b5839 100644
--- a/clutter-gtk/gtk-clutter-embed.c
+++ b/clutter-gtk/gtk-clutter-embed.c
@@ -327,6 +327,13 @@ gtk_clutter_embed_realize (GtkWidget *widget)
   gint attributes_mask;
   gint border_width;
 
+#if defined(CLUTTER_WINDOWING_GDK)
+  if (clutter_check_windowing_backend (CLUTTER_WINDOWING_GDK))
+    {
+      GdkVisual *visual = clutter_gdk_get_visual ();
+      gtk_widget_set_visual (widget, visual);
+    }
+#endif
 #if defined(GDK_WINDOWING_X11) && defined(CLUTTER_WINDOWING_X11)
   if (clutter_check_windowing_backend (CLUTTER_WINDOWING_X11))
     {