1 files changed, 5 insertions, 0 deletions
diff --git a/src/client/qwaylandwindow_p.h b/src/client/qwaylandwindow_p.h
index d11ed871b..56ebd3cc6 100644
--- a/src/client/qwaylandwindow_p.h
+++ b/src/client/qwaylandwindow_p.h
@@ -116,6 +116,8 @@ public:
     using QtWayland::wl_surface::damage;
     void damage(const QRect &rect);
 
+    void safeCommit(QWaylandBuffer *buffer, const QRegion &damage);
+    void handleExpose(const QRegion &region);
     void commit(QWaylandBuffer *buffer, const QRegion &damage);
 
     void waitForFrameSync();
@@ -231,6 +233,8 @@ protected:
     Qt::WindowStates mLastReportedWindowStates = Qt::WindowNoState;
 
     QWaylandShmBackingStore *mBackingStore = nullptr;
+    QWaylandBuffer *mQueuedBuffer = nullptr;
+    QRegion mQueuedBufferDamage;
 
 private slots:
     void handleScreenRemoved(QScreen *qScreen);
@@ -250,6 +254,7 @@ private:
     void handleScreenChanged();
 
     bool mUpdateRequested = false;
+    QRect mLastExposeGeometry;
 
     static const wl_callback_listener callbackListener;
     static void frameCallback(void *data, struct wl_callback *wl_callback, uint32_t time);