Go to the documentation of this file. 27 #ifndef INCLUDED_OPENGL 28 #define INCLUDED_OPENGL 35 #define WGL_HEADER_NEEDED 40 # include <GLES2/gl2.h> 41 #elif OS_MACOSX || OS_MAC 42 # include <OpenGL/gl.h> 58 #undef GL_GLEXT_PROTOTYPES 61 # include <GLES2/gl2ext.h> 62 #elif OS_MACOSX || OS_MAC 63 # include <OpenGL/glext.h> 65 # include <GL/glext.h> 67 # include <GL/wglext.h> 71 #endif // #ifndef INCLUDED_OPENGL