CSharpGL.PointSizeState.PointSizeState C# (CSharp) Метод

        static PointSizeState()
        {
            OpenGL.PointSizeRange(out min, out max);
            //GL.GetFloat(GetTarget.PointSizeGranularity, pointSizeWidthRange);//TODO: what does PointSizeGranularity mean?
        }