pub trait UnityGraphicsInterface {
// Required methods
fn renderer(&self) -> GfxRenderer;
fn register_device_event_callback(
&self,
callback: Option<GraphicsDeviceEventCallback>,
);
fn unregister_device_event_callback(
&self,
callback: Option<GraphicsDeviceEventCallback>,
);
fn reserve_event_id_range(&self, count: c_int) -> c_int;
}