message: Render the right BVH
diff: @@ -859,9 +859,16 @@ void renderer::on_key_press(key_event const& event)
  show_bvh = !show_bvh;
  if (show_bvh)
  + {
  + if (mod.scene_graph != nullptr)
  + {
  + outlines.init(host_top_level_bvh);
  + }
  + else
  {
  outlines.init(host_bvhs[0]);
  }
  + }
  break;
  