commit cd47a7caceaab870246964987ae56e1c226ea0c6
Author: Gareth Stockwell <ext-gareth.stockwell@nokia.com>
Date:   Wed Jan 11 11:59:03 2012 +0000

    Add public API for releasing cached GPU resources on Symbian

    Task-number: ou1cimx1yyy964181
    Reviewed-by: PENDING

diff --git a/src/gui/painting/qgraphicssystemhelper_symbian.cpp b/src/gui/painting/qgraphicssystemhelper_symbian.cpp
index eb70247..a2414ef 100644
--- a/src/gui/painting/qgraphicssystemhelper_symbian.cpp
+++ b/src/gui/painting/qgraphicssystemhelper_symbian.cpp
@@ -39,6 +39,9 @@
 **
 ****************************************************************************/

+#include "qapplication_p.h"
+#include "qgraphicssystem_p.h"
+#include "qgraphicssystemex_symbian_p.h"
 #include "qgraphicssystemhelper_symbian.h"
 #include "qt_s60_p.h"
 #include "qwidget_p.h"
@@ -138,4 +141,12 @@ void QSymbianGraphicsSystemHelper::setReceiveNativePaintEvents(QWidget *widget,
     widgetPrivate->extraData()->receiveNativePaintEvents = value;
 }

+void QSymbianGraphicsSystemHelper::releaseCachedGpuResources()
+{
+    QSymbianGraphicsSystemEx *ex = static_cast<QSymbianGraphicsSystemEx *>(
+        QApplicationPrivate::graphicsSystem()->platformExtension());
+    if (ex)
+        ex->releaseCachedGpuResources();
+}
+
 QT_END_NAMESPACE
diff --git a/src/gui/painting/qgraphicssystemhelper_symbian.h b/src/gui/painting/qgraphicssystemhelper_symbian.h
index b74144e..b08bba4 100644
--- a/src/gui/painting/qgraphicssystemhelper_symbian.h
+++ b/src/gui/painting/qgraphicssystemhelper_symbian.h
@@ -72,6 +72,8 @@ public:
     static void setNativePaintMode(QWidget *widget, NativePaintMode mode);
     static void setNativePaintMode(WId wid, NativePaintMode mode);
     static void setReceiveNativePaintEvents(QWidget *widget, bool value);
+
+    static void releaseCachedGpuResources();
 };

 QT_END_NAMESPACE