https://blog.faceutil.com/2020/03/19/d3dx9_42-dll-%ec%98%a4%eb%a5%98-%ec%97%90%eb%9f%ac-%ec%b2%a8%eb%b6%80-%ed%8c%8c%ec%9d%bc-%eb%8b%a4%ec%9a%b4-%ed%95%b4%ea%b2%b0%eb%b2%95-%e3%81%a7/