GL_MULTISAMPLE_ARB howto

create multisampled ogl context. in sdl you can use a SDL_SetAttribute with SDL_GL_MULTISAMPLEBUFFERS and SDL_GL_MULTISAMPLESAMPLES or something like that.then just enable multisampling with glEnable(GL_MULTISAMPLE)

you can query sample buffers somehow like that:
glGetIntegerv(GL_SAMPLE_BUFFER_ARB,restult);
and GL_SAMPLES_ARB as argument

Hi and Happy new year people.
There is a tutorial on NeHe Productions. Lesson 46 (Fullscreen Anti Aliasing)
http://nehe.gamedev.net/data/lessons/lesson.asp?lesson=46
There is an example with a specific compiers.

Thanks, that helped !