message: working, w/o cross-instance
diff: @@ -73,7 +73,8 @@ namespace ospray {
  createChild("frameBuffer", "FrameBuffer");
  createChild("lights");
  - createChild("bgColor", "vec3f", vec3f(0.15f, 0.15f, 0.15f),
  + createChild("bgColor", "vec3f", vec3f(0.85f, 0.85f, 0.85f),
  + // createChild("bgColor", "vec3f", vec3f(0.15f, 0.15f, 0.15f),
  NodeFlags::required |
  NodeFlags::gui_color);
  