From d2e8fd3bbfe8f334bd1dfdd769ea2422b9da8b91 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sat, 23 Mar 2019 21:18:18 +0100
Subject: [PATCH] make 3d view creation working with Qt 5.12

---
 src/Gui/Application.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Gui/Application.cpp b/src/Gui/Application.cpp
index 4d36537fed..4a61670858 100644
--- a/src/Gui/Application.cpp
+++ b/src/Gui/Application.cpp
@@ -1660,6 +1660,9 @@ void Application::runApplication(void)
     GUISingleApplication mainApp(argc, App::Application::GetARGV());
     // http://forum.freecadweb.org/viewtopic.php?f=3&t=15540
     mainApp.setAttribute(Qt::AA_DontShowIconsInMenus, false);
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 12, 0))
+    mainApp.setAttribute(Qt::AA_UseDesktopOpenGL);
+#endif
 
 #ifdef Q_OS_UNIX
     // Make sure that we use '.' as decimal point. See also