2 files changed, 18 insertions, 2 deletions
diff --git a/src/plugins/graphicssystems/openvg/qgraphicssystem_vg.cpp b/src/plugins/graphicssystems/openvg/qgraphicssystem_vg.cpp
index 4b4f677..bf29dd4 100644
--- a/src/plugins/graphicssystems/openvg/qgraphicssystem_vg.cpp
+++ b/src/plugins/graphicssystems/openvg/qgraphicssystem_vg.cpp
@@ -80,9 +80,15 @@ QWindowSurface *QVGGraphicsSystem::createWindowSurface(QWidget *widget) const
     return new QVGWindowSurface(widget);
 }
 
-void QVGGraphicsSystem::releaseCachedResources()
+#ifdef Q_OS_SYMBIAN
+void QVGGraphicsSystem::releaseCachedGpuResources()
 {
     QVGImagePool::instance()->hibernate();
 }
 
+QGraphicsSystemEx *QVGGraphicsSystem::platformExtension()
+{
+    return this;
+}
+#endif
 QT_END_NAMESPACE
diff --git a/src/plugins/graphicssystems/openvg/qgraphicssystem_vg_p.h b/src/plugins/graphicssystems/openvg/qgraphicssystem_vg_p.h
index 9c9b3e2..feff451 100644
--- a/src/plugins/graphicssystems/openvg/qgraphicssystem_vg_p.h
+++ b/src/plugins/graphicssystems/openvg/qgraphicssystem_vg_p.h
@@ -55,9 +55,16 @@
 
 #include <QtGui/private/qgraphicssystem_p.h>
 
+#ifdef Q_OS_SYMBIAN
+#include <QtGui/private/qgraphicssystemex_symbian_p.h>
+#endif
+
 QT_BEGIN_NAMESPACE
 
 class QVGGraphicsSystem : public QGraphicsSystem
+#ifdef Q_OS_SYMBIAN
+    , public QSymbianGraphicsSystemEx
+#endif
 {
 public:
     QVGGraphicsSystem();
@@ -65,7 +72,10 @@ public:
     QPixmapData *createPixmapData(QPixmapData::PixelType type) const;
     QWindowSurface *createWindowSurface(QWidget *widget) const;
 
-    void releaseCachedResources();
+#ifdef Q_OS_SYMBIAN
+    void releaseCachedGpuResources();
+    QGraphicsSystemEx* platformExtension();
+#endif
 };
 
 QT_END_NAMESPACE