Re: beryl & gl_max_texture_siz

On 1/13/07, Roland Scheidegger <[email protected]> wrote:
> Alex Deucher wrote:
> > On 1/12/07, Jerome Glisse <[email protected]> wrote:
> >> On 1/4/07, Daniel Márquez Martínez <[email protected]> wrote:
> >>> I'm using beryl in a laptop with a  Mobility Radeon 9700 (01:00.0 VGA
> >>> compatible controller: ATI Technologies Inc RV350 [Mobility Radeon 9600
> >>> M10]).
> >>>
> >>> My question is if there's any way of tweaking the GL_MAX_TEXTURE_SIZE
> >>> value in order to get dualhead configs greater than 2048, which is
> >>> actually the max texture size my system supports according to glxinfo.
> >>>
> >>>
> >>> Thank you very much.
> >>>
> >> IIRC r300 chipset should be able to do 2560x2560, browse the archive for
> >> more information, never tested so big texture myself.
> >>
> >
> > There's a difference between the max coordinate size of the 3D engine
> > (which is 4096 IIRC, but seems to only work up to 2560) and the max
> > texture size.  I don't know what the max texture size is for r3xx
> > hardware.
> Pretty sure that 2048 is a hard limit for maximum texture size for all
> radeons up to and including r3xx/r4xx, IIRC all drivers for all OS
> announce this value. So, no, there is absolutely no way you're going to
> tweak that value, apps really need to take this limit into account and
> work around it or they will not and are not going to work.

What does windows annouce for r3xx and r4xx?  Is it possible that the
2048 is a hold over from the r200 driver?

Alex

>
> Roland
>

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