#define GLAPI // Define GL_GLEXT_PROTOTYPES so that the OpenGL extension prototypes in // "glext.h" are parsed. #define GL_GLEXT_PROTOTYPES #include <GL/gl.h> #include <GL/glext.h> // Define GL3_PROTOTYPES so that the OpenGL prototypes in // "gl3.h" are parsed. #define GL3_PROTOTYPES // Define GL_GL3EXT_PROTOTYPES so that the OpenGL extension prototypes in // "gl3ext.h" are parsed. #define GL_GL3EXT_PROTOTYPES #include <GL3/gl3ext.h>