is there someplace where you can look up all the extensions supported by a certain video card, or is that dependent on what drivers you''re using

Hummm???
Knowing the extensions of a card, that''s what you want to konw?

Well, use glGetString(GL_EXTENSIONS) and it will devolve a string of all extensions that the drivers could detect from your card....

VERY IMPORTANT:
It is dependent of the drivers you are using. If certein driver cannot detect an extension from your card, you are unable to use that. I discorered that when a frien mine as tested one demo mine that used multi texture and he said that the only extension he could use was EXT_RGBA, and he has a GeForce 2!!! and the GDI drivers from Windows!!

Hope this help
Filami

if you want a list of extensions supported by cards you don''t have, I believe that delphiGL keeps a list of this (I think it''s them, correct me if I''m wrong)

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@ Filami''s VERY IMPORTANT paragraph: aha - that I did not think of - I got rather deifferent results for a couple of my programs after downgrading drivers (actually it was just reinstalling Windows, that inevitably included reinstalling drivers). Something to keep in mind, anyhow.

Leroy: I''d say your best be is glGetString() - use strtok to tokenize the returned string at spaces and you''ll get a neat list.

Crispy

You may want to check Lesson 24 on Nehe's site...

[edited by - Halcyon on February 12, 2003 1:13:47 AM]