From:	hArLeQuIn <harlequin AT quakeforum DOT de>
Newsgroups:	comp.graphics.api.opengl,comp.os.msdos.djgpp
Subject:	Re: *** OpenGL/3Dfx acceleration in DOS w/ DJGPP ***
Date:	Mon, 19 Jan 1998 19:29:29 +0100
Organization:	Abacom-Internet GmbH & Co
Lines:	67
Message-ID:	<34C39B88.ECF5C777@quakeforum.de>
References:	<01bd170c$4238b160$84f357cf AT kwe1> <34b4b8eb DOT 0 AT dingo DOT effect DOT net DOT au> <34B6C30E DOT 3124 AT cam DOT org> <699987$29q$1 AT news DOT rrnet DOT com>
Reply-To:	harlequin AT quakeforum DOT de
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Hjelmo wrote:

> Vic (tudor AT cam DOT org) wrote:
> : Josh wrote:
> : > I'd cream my pants if we could use accelleration under djgpp-
> imagine what
> : > allegro could become!
> : People! is there anything wrong with Scitech MGL?? It works with
> DJGPP
> : and provides acceleration for 2D and 3D !
> : --
> : --> http://www.cam.org/~tudor <--
>
> Panard Vision 3D by Olivier Bruneto (SMKaribou/GMF) provides 3DFX 3D
> acceleration and compiles under DJGPP... Check
> http://www.inforoute.cgs.fr/brunet3
>
> SMK is a friend of mine and really helpful when it comes to problems
> with
> his library; I really reccomend it.
>
> --
>     atomly@@mindless..com :: [pHiXx/VorteX] :: phixx@@usa..net
> .  . ..remove the extraneous punctuation in my addresses.. .  .   .

HiHo,
I asked, and he replied:

'So a PV is supported under the following platforms/compilers:
- Dos = > Watcom 11
- Win32 => Visual C 5.0
- Unices (including Linux & SunOS) => GNU gcc 2.7.2 & pgcc (PentiumGCC)

So there is no official support for DJGPP under dos. BUT, I compiled one

time for the last release a DJGPP version of the lib. The problems is
that :
- The viewer and samples program need a Video library that is not ported

under DJGPP (as far as I know, maybe now it is), so it's some work to
port all the samples.
- DJGPP mess some things with the FPU (It activates FPU exceptions if I
remember well) and that's a bad thing. Someone told me he gets rid of
this problem with _fcontrol() call, but I don't know more.
- DJGPP is slow to compile, and generates poor code for Pentiums.

Regards,
Oli'

so now we've got the facts,
                                                    Michael



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