[CentOS-es] Re: "driconf" to try to solve "texture size" problem with beryl+radeon+dualhead+mergefb (ANSWERED)

ArcosCom Linux User linux en arcoscom.com
Mie Jul 4 12:35:36 UTC 2007

   1) I only can use beryl (with this videocard) in a resolution less than
2048x2048 (adding the 2 screens resolution).
   2) In the future, perhaps beryl do the trick.

Thank you very much your answer!!! (you have a beer here!!!).


El Mie, 4 de Julio de 2007, 14:22, Roland Scheidegger escribió:
> ArcosCom Linux User wrote:
>> I have a Radeon X600.
>> I don't stand fine how I can change that "things" you said. Could you
>>  explain a bit how can I change that parameters? What configuration
>> files / programs must I change/run? How?
> Well as said it's not possible to increase the max announced texture
> size beyond 2048. You've got a r300-based chip, so you don't have the
> allow large texture option in driconf, this is r100/r200 only as r300
> always announces the maximum.
>> As I said, I have no knowledge about Xorg graphics architecture or
>> any graphics related parameters.
>> I can change any xorg parameter, or any configuration file using your
>>  help (or any link that anybody post here). But I think, at this
>> point, my xorg.conf is well configured (thanks to the xorg buys for
>> their help) and must be any other configuration file or perhaps I
>> must think in wait for a new beryl release or a new driver release. I
>>  don't know yet.
> There is nothing you can do. At least your chip shouldn't suffer from
> the 3d coordinate limit, maybe a future beryl release will do the trick.
> Roland
>> El Mie, 4 de Julio de 2007, 11:04, Roland Scheidegger escribió:
>>> ArcosCom Linux User wrote:
>>>> As some e-mails ago, I'm trying to play beryl in my laptop.
>>>> I successfully configured my xorg.conf (thanks to the comunity for the
>>>> help that allowed me that).
>>>> The problem:
>>>> When I boot the laptop without external LCD/CRT, beryl is working
>>>> fine,
>>>> but when I boot it with the external, it recognice fine the external
>>>> LCD
>>>> and don't want to allow beryl run.
>>>> What beryl says:
>>>> Checking maximum texture size                   : failed
>>>> Root window size (2960/1050) is bigger then maximum texture size
>>>> (2048x2048)
>>>> Searching the web I readed that with "driconf" util I can try to solve
>>>> the
>>>> problem. I had installed driconf 0.9.1 successfully, but I don't know
>>>> how
>>>> to change that parameters.
>>>> Does anyone used driconf or knows how can I solve this problem with
>>>> beryl/compiz?
>>> Radeons have a texture size limit of 2048x2048 (well pre-r500 radeons),
>>> so there is not much you can do. The driconf setting you're refering to
>>> was to allow larger textures which might not fit into video memory
>>> under
>>> some circumstances, but this is the default now and it won't allow
>>> larger than 2048x2048 anyway (btw software mesa may have the same
>>> limit,
>>> but obviously this is not really set in stone).
>>> compiz/beryl may work around this by breaking the too large textures up
>>> into smaller ones, though I'm not sure if there's work going on in that
>>> direction. It won't be very efficient, neither.
>>> If you have a pre-r300 radeon, you would hit the 3d coordinate limit
>>> too
>>> (2048 too), which would need to be solved at the driver level.
>>> Roland
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