1 files changed, 19 insertions, 6 deletions
diff --git a/src/gui/kernel/qsurface.h b/src/gui/kernel/qsurface.h
index fd8eaaf058..a8900fde33 100644
--- a/src/gui/kernel/qsurface.h
+++ b/src/gui/kernel/qsurface.h
@@ -45,6 +45,8 @@
 #include <QtCore/qnamespace.h>
 #include <QtGui/qsurfaceformat.h>
 
+#include <QtCore/qsize.h>
+
 QT_BEGIN_HEADER
 
 QT_BEGIN_NAMESPACE
@@ -52,26 +54,37 @@ QT_BEGIN_NAMESPACE
 
 class QPlatformSurface;
 
+class QSurfacePrivate;
+
 class Q_GUI_EXPORT QSurface
 {
 public:
-    enum SurfaceType {
+    enum SurfaceClass {
         Window
     };
 
+    enum SurfaceType {
+        RasterSurface,
+        OpenGLSurface
+    };
+
     virtual ~QSurface();
 
-    SurfaceType surfaceType() const;
+    SurfaceClass surfaceClass() const;
 
     virtual QSurfaceFormat format() const = 0;
     virtual QPlatformSurface *surfaceHandle() const = 0;
 
-private:
-    QSurface(SurfaceType type);
+    virtual SurfaceType surfaceType() const = 0;
+
+    virtual QSize size() const = 0;
+
+protected:
+    QSurface(SurfaceClass type);
 
-    SurfaceType m_type;
+    SurfaceClass m_type;
 
-    friend class QWindow;
+    QSurfacePrivate *m_reserved;
 };
 
 QT_END_NAMESPACE