On Fri, Apr 05, 2002 at 04:09:34PM -0500, Chris Meadors wrote:
>
> I guess the 3D would have to be done using something other than the
> DRM/DRI setup, cause the cards are PCI. As I believe you were saying in
> one of your later e-mails. I forgot about that fact. So even the G200
> PCIs won't get 3D because of no GART and thus no DRM in the kernel.

My earlier mail said that there *may* have been some work done that
faked the PCI card into believing it was AGP with a GART, and done the
GART-like setup using the Alpha's own scatter/gather mapping. Check for
related messages in the DRI mailing list archives on sourceforge, IIRC.

> There are other ways to do GLX in XFree86 than DRI. Have the owners of
> the Permedia, GLINT, and Gamma chips released enough specs to write a 3D
> driver? The GLINT and Gamma are supposed to pretty much have GL in
> silicon, so it can't be /that/ hard can it? :P

You're right, there may be the so-called Utah GLX drivers, but I really
know nothing about them.

> > Darned if I know; perhaps one is more like the "retial" card, with
> > S-Video connector and such?
>
> "Retial"? Am I missing a joke? Well they both are Permedia 2s with 8MB
> of RAM, that is what I really want, don't need S-Video, DVI or anything
> like that. So I know which one I'll buy. :)

Sigh, missed that typo; I meant "retail" as opposed to OEM. The cards
we DEC/COMPAQ sold were OEMed from ELSA, without S-Video connector,
but with a VGA-disable switch which facilitated multi-head support on
Alpha. The "retail" version (over-the-counter :-) had the S-Video but
no VGA-disable.

--Jay++

-----------------------------------------------------------------------------
Jay A Estabrook Alpha Engineering - LINUX Project
Compaq Computer Corp. - MRO1-2/K15 (508) 467-2080
200 Forest Street, Marlboro MA 01752 Jay.Estabrookcompaq.com
-----------------------------------------------------------------------------

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