2 files changed, 15 insertions, 1 deletions
diff --git a/src/plugins/platforms/offscreen/qoffscreenintegration_x11.cpp b/src/plugins/platforms/offscreen/qoffscreenintegration_x11.cpp
index 3c2fdb1f0f..0bb19bc4f6 100644
--- a/src/plugins/platforms/offscreen/qoffscreenintegration_x11.cpp
+++ b/src/plugins/platforms/offscreen/qoffscreenintegration_x11.cpp
@@ -155,6 +155,13 @@ void *QOffscreenX11PlatformNativeInterface::nativeResourceForContext(const QByte
 }
 #endif
 
+#if QT_CONFIG(xcb)
+Display *QOffscreenX11PlatformNativeInterface::display() const
+{
+    return m_connection ? reinterpret_cast<Display *>(m_connection->display()) : nullptr;
+}
+#endif
+
 QOffscreenX11Connection::QOffscreenX11Connection()
 {
     XInitThreads();
diff --git a/src/plugins/platforms/offscreen/qoffscreenintegration_x11.h b/src/plugins/platforms/offscreen/qoffscreenintegration_x11.h
index afd30d7b4b..35c91d47d8 100644
--- a/src/plugins/platforms/offscreen/qoffscreenintegration_x11.h
+++ b/src/plugins/platforms/offscreen/qoffscreenintegration_x11.h
@@ -47,6 +47,7 @@
 #include <qscopedpointer.h>
 
 #include <qpa/qplatformopenglcontext.h>
+#include <QtGui/qguiapplication.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -54,6 +55,9 @@ class QOffscreenX11Connection;
 class QOffscreenX11Info;
 
 class QOffscreenX11PlatformNativeInterface : public QOffscreenPlatformNativeInterface
+#if QT_CONFIG(xcb)
+                                           , public QNativeInterface::QX11Application
+#endif
 {
 public:
     QOffscreenX11PlatformNativeInterface(QOffscreenIntegration *integration);
@@ -63,7 +67,10 @@ public:
 #if !defined(QT_NO_OPENGL) && QT_CONFIG(xcb_glx_plugin)
     void *nativeResourceForContext(const QByteArray &resource, QOpenGLContext *context) override;
 #endif
-
+#if QT_CONFIG(xcb)
+    Display *display() const override;
+    xcb_connection_t *connection() const override { return nullptr; };
+#endif
     QScopedPointer<QOffscreenX11Connection> m_connection;
 };