Re: [Mesa3d-dev] Anyone know why: Mesa 3.3 defaults to 24bit Zbuffer?

[Brian P. <br...@va...>]

ant...@wm... wrote:
> 
> > Mesa 3.3 was changed to allow arbitrary Z buffer depths at runtime,
> > instead of being a compile-time option.  Looks like I missed
> > something in the tdfx driver code.  Could you try this patch
> > to Mesa-3.3/src/FX/fxapi.c?
> >
> > diff -r1.21 fxapi.c
> > 946c946
> > <    fxMesa->haveZBuffer=depthSize ? 1 : 0;
> > ---
> > >    fxMesa->haveZBuffer=depthSize ? 16 : 0;
> >
> >
> > -Brian
> >
> 
> Ok, letme know if there is something that you want me to try....
> because the reason i was confused is that the Voodoo2 cards don't support
> more than 16bit deep zbuffers/depthbuffers, at least from what i know ...

I took at look at this but didn't make any progress.  I'm not sure
how Q3 is choosing its visual and determining the bits per buffer.

The game is working OK, right?

I won't be able to look into this anymore until next week.

-Brian