https://www.khronos.org/registry/OpenGL-Refpages/gl4/html/indexflat.php OpenGL 4.x Reference Pages www.khronos.org http://docs.gl/ docs.gl docs.gl https://heinleinsgame.tistory.com/7 https://rito15.github.io/posts/opengl-study-02/ GL (Graphic Library) : UT (Utility Toolkit) : FW (FrameWork) : EW (Extenstion Wrangler library) : M (Math) : SL (Shading Language) : ES (Embedded Systems) : 헤더 포함시 gle..