From 5ad8cd48a1ed3be183c0af8698491b039f0054e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20R=C3=B8dal?= <samuel.rodal@nokia.com>
Date: Tue, 1 Feb 2011 17:59:54 +0100
Subject: Prevent recursion when creating window surface.

If we can't access the qt_gl_share_widget() we should just create a
raster window surface. This might happen when creating the share widget
itself leads to creation of a window surface (which isn't really going
to be used anyways).

Reviewed-by: Michael Dominic K
---
 src/plugins/graphicssystems/meego/qmeegographicssystem.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp b/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp
index 20b092e..a70d232 100644
--- a/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp
+++ b/src/plugins/graphicssystems/meego/qmeegographicssystem.cpp
@@ -42,6 +42,7 @@
 #include <QDebug>
 #include <private/qpixmap_raster_p.h>
 #include <private/qwindowsurface_gl_p.h>
+#include <private/qwindowsurface_raster_p.h>
 #include <private/qegl_p.h>
 #include <private/qglextensions_p.h>
 #include <private/qgl_p.h>
@@ -75,7 +76,12 @@ QMeeGoGraphicsSystem::~QMeeGoGraphicsSystem()
 
 QWindowSurface* QMeeGoGraphicsSystem::createWindowSurface(QWidget *widget) const
 {
-    QGLShareContextScope ctx(qt_gl_share_widget()->context());
+    QGLWidget *shareWidget = qt_gl_share_widget();
+
+    if (!shareWidget)
+        return new QRasterWindowSurface(widget);
+
+    QGLShareContextScope ctx(shareWidget->context());
 
     QMeeGoGraphicsSystem::surfaceWasCreated = true;
     QWindowSurface *surface = new QGLWindowSurface(widget);
-- 
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