            {
                GL.ClearColor(
                    ClearColor4.X,
                    ClearColor4.Y,
                    ClearColor4.Z,
                    ClearColor4.W
                );
                stateCache.ClearColor4 = ClearColor4;
            }
            if(stateCache.ClearDepth != ClearDepth)
            {
                GL.ClearDepth(ClearDepth);