1 files changed, 6 insertions, 1 deletions
diff --git a/tools/qmeegographicssystemhelper/qmeegolivepixmap.h b/tools/qmeegographicssystemhelper/qmeegolivepixmap.h
index 7be2c4b..51b5976 100644
--- a/tools/qmeegographicssystemhelper/qmeegolivepixmap.h
+++ b/tools/qmeegographicssystemhelper/qmeegolivepixmap.h
@@ -43,6 +43,7 @@
 #define QMEEGOLIVEPIXMAP_H
 
 #include <QPixmap>
+#include "qmeegofencesync.h"
 
 class QMeeGoLivePixmapPrivate;
 class QSharedMemory;
@@ -82,8 +83,12 @@ public:
     //! Locks the access to the pixmap. 
     /*! 
      The returned image can be used for direct access.
+     You can optionally specify a fence sync to wait upon before unlocking. When
+     you specify a fence sync, you can be sure that this function will return only
+     when the previsouly set QMeeGoFenceSync synchronization point has been executed/passed
+     by the GL processing pipeline.
      */
-    QImage* lock();
+    QImage* lock(QMeeGoFenceSync *fenceSync = NULL);
     
     //! Unlocks the access to the pixmap. 
     /*!