From 61f535424686258f2bb0c23e051fa96671fc7a20 Mon Sep 17 00:00:00 2001
From: Laurent Rineau <laurent.rineau@cgal.org>
Date: Tue, 31 Jan 2023 17:35:21 +0100
Subject: [PATCH] Fix current content in the destroy of the Scene

Fix the error:
> QOpenGLVertexArrayObject::destroy() failed to restore current context
---
 Polyhedron/demo/Polyhedron/Scene.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Polyhedron/demo/Polyhedron/Scene.cpp b/Polyhedron/demo/Polyhedron/Scene.cpp
index b148e8df46b..c70929ab4a5 100644
--- a/Polyhedron/demo/Polyhedron/Scene.cpp
+++ b/Polyhedron/demo/Polyhedron/Scene.cpp
@@ -1928,6 +1928,7 @@ void Scene::removeViewer(Viewer_interface *viewer)
   if(viewer->property("is_destroyed").toBool())
     return;
 
+  viewer->makeCurrent();
   vaos[viewer]->destroy();
   vaos[viewer]->deleteLater();
   vaos.remove(viewer);