[Nix-dev] Dropping --with-gallium-drivers=i965 from mesa (was: Experiences with Nvidia Optimus?)

[Yury G. Kudryashov]

Mathijs Kwik wrote:

> On Fri, Jan 20, 2012 at 7:17 PM, Peter Simons <simons at cryp.to> wrote:
>> Hi guys,
>>
>> > In a recent mesa upgrade, someone enabled the experimental gallium3d
>> > driver for our i965-based cards. [...] Intel's open-source driver has
>> > full support for 3d already, and intel stated they are not
>> > interrested in maintaining a second implementation. I don't know
>> > about i915, but i965's gallium driver rotted to the state that it was
>> > thrown out of mesa trunk in november 2011 [1]. Taking i965 out fixed
>> > my issues, and all is well again, with acceleration and 3d.
>> >
>> > I attached a patch (2 commits), the first commit upgrades dri2proto
>> > so the intel 2_17_0 driver (which is already in nix) compiles. The
>> > second commit removed i965 gallium from mesa.
>>
>> updating mesa causes significant re-builds, so we should wait a couple
>> of days to give everyone a chance to express his or her concerns about
>> that change.
> 
> I don't remember a vote + few days wait for turning it on?!?
> Someone just decided to include an unmaintained, already dropped
> upstream 2 months ago, experimental driver, breaking things and
> causing instability.
I sent a patch to the list about a week before applying it. Search for 
"libdrm and mesa upgrade" from 07 January. OTOH, I have nothing against 
reverting this part.
-- 
Yury G. Kudryashov,
mailto: urkud at mccme.ru