DRI2 committed

Tiago Vignatti vignatti at c3sl.ufpr.br
Thu Feb 21 09:33:21 PST 2008


Jerome Glisse escreveu:
> On Thu, 21 Feb 2008 09:10:23 +0100
> Michel Dänzer <michel at tungstengraphics.com> wrote:
> 
>> On Wed, 2008-02-20 at 14:09 -0500, Kristian Høgsberg wrote:
>>> On Feb 20, 2008 5:20 AM, Michel Dänzer <michel at tungstengraphics.com> wrote:
>>>> On Fri, 2008-02-15 at 09:57 -0500, Kristian Høgsberg wrote:
>>>>> Anyway, the code is out there, shouldn't break anything unless you
>>>>> enable it, [...]
>>>> Actually, it looks like you broke at least direct rendering for every
>>>> driver that doesn't provide __dri2DriverInitScreen because that symbol
>>>> is unresolved when libGL tries to dlopen them.
>>> That doesn't sound right, I haven't touched libGL yet, it doesn't know
>>> anything about DRI2 at this point:
>>>
>>>   [krh at hinata mesa]$ grep -i dri2 src/glx/x11/*.[ch]
>>>
>>> Could you provide a few more details?
>> dri_util.c references __dri2DriverInitScreen and gets linked with the
>> driver. So if the driver doesn't provide __dri2DriverInitScreen, it's
>> unresolved at dlopen time.
>>
>> A possible solution should be to move the DRI2 code to a separate file
>> like dri2_util.c and only link that with DRI2ified drivers.
>>
>> On a possibly related note, someone else (Chris Rankin IIRC) reported
>> that even non-TTM drivers now reference TTM related libdrm symbols.
>>
>>
>> -- 
>> Earthling Michel Dänzer           |          http://tungstengraphics.com
>> Libre software enthusiast         |          Debian, X and DRI developer
>>
>> _______________________________________________
>> xorg mailing list
>> xorg at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/xorg
> 
> Yes please put DRI2 in separate files so i can import them in
> gallium without having to mess with older dri interface sitting
> in gallium right now 

Also, with DRI2 we have to explicit pass --disable-dri2 flag to autoconf 
because Xorg uses dri_sarea.h which is external to X server (from mesa). 
Is this good enough?


Thanks guys,

-- 
Tiago Vignatti
C3SL - Centro de Computação Científica e Software Livre
www.c3sl.ufpr.br



More information about the xorg mailing list