Set the screen on the QOpenGLContext to be the same as the windowv5.13.2

This ensures that the QOpenGLContext has the right screen information
and can create a compatible context for use with QQuickWidget.

Change-Id: I9d78ff2b616e5c1d1c11d1da438ce336a0f24953
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>

1 files changed, 3 insertions, 1 deletions

diff --git a/src/quickwidgets/qquickwidget.cpp b/src/quickwidgets/qquickwidget.cpp
index b63f7de9f1..55c095af8e 100644
--- a/src/quickwidgets/qquickwidget.cpp
+++ b/src/quickwidgets/qquickwidget.cpp
@@ -878,7 +878,9 @@ void QQuickWidgetPrivate::createContext()
 
         context = new QOpenGLContext;
         context->setFormat(offscreenWindow->requestedFormat());
-
+        const QWindow *win = q->window()->windowHandle();
+        if (win && win->screen())
+            context->setScreen(win->screen());
         QOpenGLContext *shareContext = qt_gl_global_share_context();
         if (!shareContext)
             shareContext = QWidgetPrivate::get(q->window())->shareContext();