1 files changed, 20 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qglxintegration.h b/src/plugins/platforms/xcb/qglxintegration.h
index 98aee78b14..7116b2389d 100644
--- a/src/plugins/platforms/xcb/qglxintegration.h
+++ b/src/plugins/platforms/xcb/qglxintegration.h
@@ -46,6 +46,7 @@
 #include "qxcbscreen.h"
 
 #include <qpa/qplatformopenglcontext.h>
+#include <qpa/qplatformoffscreensurface.h>
 #include <QtGui/QSurfaceFormat>
 
 #include <QtCore/QMutex>
@@ -76,6 +77,25 @@ private:
     GLXContext m_context;
     GLXContext m_shareContext;
     QSurfaceFormat m_format;
+    bool m_isPBufferCurrent;
+};
+
+
+class QGLXPbuffer : public QPlatformOffscreenSurface
+{
+public:
+    explicit QGLXPbuffer(QOffscreenSurface *offscreenSurface);
+    ~QGLXPbuffer();
+
+    QSurfaceFormat format() const { return m_format; }
+    bool isValid() const { return m_pbuffer != 0; }
+
+    GLXPbuffer pbuffer() const { return m_pbuffer; }
+
+private:
+    QSurfaceFormat m_format;
+    QXcbScreen *m_screen;
+    GLXPbuffer m_pbuffer;
 };
 
 QT_END_NAMESPACE