1 files changed, 3 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qglxintegration.h b/src/plugins/platforms/xcb/qglxintegration.h
index 2c8fea5874..211a654c03 100644
--- a/src/plugins/platforms/xcb/qglxintegration.h
+++ b/src/plugins/platforms/xcb/qglxintegration.h
@@ -66,12 +66,15 @@ public:
     void (*getProcAddress(const QByteArray &procName)) ();
 
     QSurfaceFormat format() const;
+    bool isSharing() const;
+    bool isValid() const;
 
     GLXContext glxContext() const { return m_context; }
 
 private:
     QXcbScreen *m_screen;
     GLXContext m_context;
+    GLXContext m_shareContext;
     QSurfaceFormat m_format;
 };