///<summary>
/// Restore a viewport, the camera and the scene after a rendering operation
///</summary>
protected void PostTargetOperation(CompositorTargetOperation op, Viewport vp, Camera cam)
{
SceneManager sm = cam.SceneManager;
/// Unregister our listener
sm.QueueStarted -= listener.OnRenderQueueStarted;
sm.QueueEnded -= listener.OnRenderQueueEnded;
/// Flush remaing operations
listener.FlushUpTo(RenderQueueGroupID.Count);
/// Restore default scene and camera settings
sm.VisibilityMask = oldVisibilityMask;
sm.FindVisibleObjectsBool = oldFindVisibleObjects;
cam.LodBias = oldLodBias;
vp.MaterialScheme = oldMaterialScheme;
}
