diff -r ef0373b55136 -r 758a864f9613 src/gui/kernel/qapplication_mac.mm
--- a/src/gui/kernel/qapplication_mac.mm	Fri Sep 17 08:34:18 2010 +0300
+++ b/src/gui/kernel/qapplication_mac.mm	Mon Oct 04 01:19:32 2010 +0300
@@ -737,9 +737,6 @@
 */
 static void qt_mac_update_child_gl_widgets(QWidget *widget)
 {
-    if (widget->isWindow())
-        return;
-
     // Update all OpenGL child widgets for the given widget.
     QList<QWidgetPrivate::GlWidgetInfo> &glWidgets = qt_widget_private(widget)->glWidgets;
     QList<QWidgetPrivate::GlWidgetInfo>::iterator end = glWidgets.end();