public virtual RenderSystemContext Clone()
        {
            RenderSystemContext ctx = new RenderSystemContext()
            {
                Clipping    = this.Clipping,
                Translation = this.Translation
            };

            return(ctx);
        }
        public override void ResumeFrame(RenderSystemContext context)
        {
            //Resume rendering
            BeginFrame();

            //var d3dContext = (D3D9RenderContext)context;
        }