Re: r300 powerpc: success (quite some...)

[Alex D. <ale...@gm...>]

On 10/27/05, Aapo Tahkola <ae...@ra...> wrote:
> On Thu, 27 Oct 2005 15:03:26 +0200
> Jerome Glisse <j.g...@gm...> wrote:
>
> > On 10/27/05, Aapo Tahkola <ae...@ra...> wrote:
> > > On Thu, 27 Oct 2005 14:00:18 +0200
> > > Mattias Nissler <mat...@gm...> wrote:
> > >
> > > > 3. quake3: I did some heavy struggling with the quake3 source tree,
> > > > but now I could get it running. It renders correctly when I use the
> > > > Mesa software renderer (but unplayable then, of course). With r300 =
I
> > > > made the same experience reported by BenH earlier this month: intro
> > > > works, main menu somewhat broken, submenus work, the game itself is
> > > > completely messed up :-(
> > > > If you are curious here are some shots:
> > > >
> > > > http://www-user.rhrk.uni-kl.de/~nissler/q3shots/shot10.jpeg
> > > > http://www-user.rhrk.uni-kl.de/~nissler/q3shots/shot11.jpeg
> > > > http://www-user.rhrk.uni-kl.de/~nissler/q3shots/shot12.jpeg
> > > > http://www-user.rhrk.uni-kl.de/~nissler/q3shots/shot13.jpeg
> > > > http://www-user.rhrk.uni-kl.de/~nissler/q3shots/shot14.jpeg
> > > >
> > > > Any ideas what could be causing those problems? Is quake3 rendering
> > > > correctly on x86 at the moment? I am willing to look into the sourc=
e
> > > > if someone could give me a few hints what to look for. I can also d=
o
> > > > some further testing if that helps...
> > >
> > > Im not ppc expert but you could try this.
> >
> > The hardware could do the swapping for us no ? If i remember
> > correctly i have put a couple of ifdef about big endian in setup
> > code to do some swapping...
> >
> > reg 2140 was for that (see r300_state and look for big endian).
>
> Thats probably only for vertex data.
> INDX_BUFFER is basicly just a gpu memory fetcher that can be used with ju=
st about any packet if you know the address.
> Given that I suspect R300_EB_UNK1 or R300_EB_UNK2 is different on ppc.
>
> >
> > Anyway long time i didn't get access to my ppc config, i will
> > try to take a look at what i have got on that.
>
> Has anyone tested color tiling on ppc yet?
> It would be nice to get it enabled by default...

Colortiling for r3xx/r4xx needs some drm work as well for
pageflipping.  we need to update the crtc offset and xytile adjust
registers differently for r3xx/r4xx.

Alex

>
> --
> Aapo Tahkola
>