From: "Daniel Bünzli" <daniel.buenzli@epfl.ch>
To: Caml List <caml-list@inria.fr>
Subject: Re: [Caml-list] glGetInteger not in lablGL?
Date: Tue, 1 May 2007 09:24:57 +0200 [thread overview]
Message-ID: <5E2634ED-6684-470A-A25D-FD4890B71805@epfl.ch> (raw)
In-Reply-To: <463663AA.7020109@sci.utah.edu>
Le 30 avr. 07 à 23:46, Carlos Scheidegger a écrit :
> (and I'm not even sure whether caml-list is the right place for this)
There's no other list so I think it's right.
> but has anyone ever needed to
> do the equivalent of glGetInteger(GL_VIEWPORT, x) in OCaml using
> lablGL?
Usually I don't need it because unless the viewport is specified by a
third party library, this information is usually setup by you, hence
you can store it somewhere for yourself if needed.
> Is this unimplemented?
Yes it is unimplemented. I don't think it is worth implementing
because in general querying OpenGL state with glGet (e.g. to get the
current matrix) should be avoided, it is too slow [1]. It's faster to
have a mirror of this information on your side.
Best,
Daniel
[1] http://www.mesa3d.org/brianp/sig97/perfopt.htm#Misc
prev parent reply other threads:[~2007-05-01 7:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-30 21:46 Carlos Scheidegger
2007-05-01 7:24 ` Daniel Bünzli [this message]
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