i am in the process of learning how to setup an opengl correctly for AA. i think FSAA is only for nvidia and there's a better way to enable AA. here's what i've found: http://nehe.gamedev.net/data/lessons/lesson.asp?lesson=46 pretty complex. creating a dummy window to fetch the possibility of the videocard etc... and then glEnable(GL_MULTISAMPLE_ARB); pat