X11_GL_UnloadLibrary 347 src/video/cybergfx/SDL_cgxgl.c       X11_GL_UnloadLibrary(this);
X11_GL_UnloadLibrary 360 src/video/x11/SDL_x11gl.c    X11_GL_UnloadLibrary(this);
X11_GL_UnloadLibrary 1262 src/video/x11/SDL_x11video.c                X11_GL_UnloadLibrary(this);