if so, do you know if using glx is faster than glut? or is better to use sdl with opengl?

It shouldn''t make a difference, glut is just a utility library on top of the X windows interface. Same speed.

If you are interested, PortaLib3D supports Linux very easily. (Link in signature)

Haven''t tried SDL, sorry.

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Cheers!
Brett Porter
PortaLib3D : A portable 3D game/demo libary for OpenGL

I''m using SDL and it works very well.

The toolkit has a sample gl program you can use to
quickly setup an OpenGL program.

I don''t know about the speed difference

Jan

SDL works good for me. Nehe''s tutorials 1-20 have been ported to SDL, so it''s been pretty easy for me so far.

I wrote my own wrappers, giving me all functionality I need