1 files changed, 13 insertions, 0 deletions
diff --git a/src/gui/kernel/qplatformscreen_qpa.h b/src/gui/kernel/qplatformscreen_qpa.h
index 3851b1821a..9919ca5ca8 100644
--- a/src/gui/kernel/qplatformscreen_qpa.h
+++ b/src/gui/kernel/qplatformscreen_qpa.h
@@ -67,6 +67,17 @@ class QPlatformWindow;
 class QScreen;
 class QSurfaceFormat;
 
+class QPlatformScreenPageFlipper : public QObject
+{
+    Q_OBJECT
+public:
+    virtual bool displayBuffer(void *bufferHandle) = 0;
+
+    signals:
+    void bufferDisplayed(void *bufferHandle);
+    void bufferReleased(void *bufferHandle);
+};
+
 class Q_GUI_EXPORT QPlatformScreen
 {
     Q_DECLARE_PRIVATE(QPlatformScreen)
@@ -95,6 +106,8 @@ public:
 
     virtual QString name() const { return QString(); }
 
+    virtual QPlatformScreenPageFlipper *pageFlipper() const;
+
 protected:
     QScopedPointer<QPlatformScreenPrivate> d_ptr;