virtual ~System() { }
static System *create(const std::string &);
+ static System *create_autodetect();
virtual void configure_window(Graphics::Window &) const = 0;
virtual void configure_view(StereoView &) const = 0;
+ virtual void set_absolute_tracking(bool) = 0;
virtual HeadTrackingCamera *create_camera(const GL::Camera &) = 0;
virtual StereoCombiner *create_combiner(GL::View &) = 0;
};