[Mesa-dev] RFC: ctx->Driver.Map/UnmapTextureImage() hooks

[Brian Paul]

On 07/18/2011 01:00 PM, Pekka Paalanen wrote:
> On Mon, 18 Jul 2011 08:09:17 -0600
> Brian Paul<brianp at vmware.com>  wrote:
>
>> On 07/15/2011 02:59 PM, Pekka Paalanen wrote:
>>> On Fri, 15 Jul 2011 12:22:41 -0600
>>> Brian Paul<brianp at vmware.com>   wrote:
>>>
>>>> On 07/15/2011 10:07 AM, Dave Airlie wrote:
>>>>> On Fri, Jul 15, 2011 at 4:10 AM, Brian
>>>>> Paul<brian.e.paul at gmail.com>    wrote:
>>>>>>
>>>>>>
>>>>>> The map-texture-image-v4 branch that I just pushed implements
>>>>>> this change.  It really cleaned things up for the better and
>>>>>> will lead to a few more follow-on improvements.
>>>>>>
>>>>>> There's no obvious regressions with swrast or the gallium
>>>>>> drivers.  I updated the intel driver code and tested i915 and
>>>>>> it seems OK too, but I didn't do a full piglit run on it.  I
>>>>>> also updated the legacy r600 driver in case anyone cares but
>>>>>> didn't do any testing of it.
>>>>>>
>>>>>> I didn't update any of the other legacy DRI drivers.  Would
>>>>>> anyone object if we simply stop building mach64, r128,
>>>>>> unichrome, sis, etc? I'd be happy to remove those drivers
>>>>>> altogether for that matter.
>>>>>
>>>>> we could EOL those in 7.11, and if anyone wants to ship them,
>>>>> they can just build 7.11 for them.
>>>>
>>>> Sounds good to me.  I think we'd only keep the swrast, intel
>>>> and maybe r300/r600 drivers.  Opinions?
>>>
>>> Um, don't kill nouveau_vieux, please.
>>
>> Does the old nouveau driver support some GPUs that the gallium
>> nv50/nvc0 drivers don't support?
>
> Yes. Like Corbin said, 'nouveau_vieux' is for NV04-NV2x, while
> the gallium driver 'nouveau' supports NV30 and later.
> http://nouveau.freedesktop.org/wiki/MesaDrivers
>
>> If we want to keep the older driver someone will need to
>> volunteer to update the code to support the new driver hooks.
>
> Sorry, I cannot promise that.
> Nouveau_vieux seems to have been missing a maintainer for
> some time now.

Any of the older DRI drivers that get dropped could easily be revived 
later if someone wants to do the work.

-Brian