Re: GGI, EGCS/PGCC, Kernel source
Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 25 Feb 1998 19:20:06 +0000 (GMT)
> > I agree that such schemes might be impossible to implement on common
> > hardware, but there allready exists checp cards that do this, among
> > others those based on the Permedia2 chipset, which are <$250. That is
> > not an issue here I belive.
>
> As I told you in private mail, implementing direct rendering requires
> a set of features to be available from your hardware before you can do
> it.
I dont believe it does any more. Having had a few ideas for evil mm hacks
> If you can not use your cpu mmu to control the access to the
> accelerator register, you need the direct rendering application to be
> suid (to get access to those ports).
What platforms can we not use the MMU on barring SGI (where the goodies
already exist) ?
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