--- a/E5Gui/E5Application.py	Sat Mar 10 14:57:23 2018 +0100
+++ b/E5Gui/E5Application.py	Tue Mar 13 18:16:30 2018 +0100
@@ -28,6 +28,11 @@
             # __IGNORE_EXCEPTION__
         except AttributeError:
             pass
+        try:
+            QCoreApplication.setAttribute(Qt.AA_ShareOpenGLContexts)
+            # __IGNORE_EXCEPTION__
+        except AttributeError:
+            pass
         
         super(E5Application, self).__init__(argv)