http://bugs.winehq.org/show_bug.cgi?id=10636
--- Comment #9 from Stefan Dösinger stefandoesinger@gmx.at 2007-12-03 15:12:46 --- Yes, I am aware of that, and Direct3D has the same restrictions. So the application is supposed to take care they do not get set. If such an address setting is set, the OpenGL library will return an error which will be visible as a FIXME on the terminal.