https://blog.faceutil.com/2017/03/25/bfrc%eb%a5%bc-%ec%9d%b4%ec%9a%a9%ed%95%9c-%ed%8c%9f%ed%94%8c%eb%a0%88%ec%9d%b4%ec%96%b4-60-fps-%ec%9e%ac%ec%83%9d-amd-%ed%94%8c%eb%a3%a8%ec%9d%b4%eb%93%9c-%eb%aa%a8%ec%85%98-%e3%82%b3/