[Mesa-dev] [PATCH] i915: Stop claiming GL 2.1 support.

[Ian Romanick]

On 12/02/2016 05:04 PM, Matt Turner wrote:
> On Fri, Dec 2, 2016 at 12:22 PM, Emil Velikov <emil.l.velikov at gmail.com> wrote:
>> On 2 December 2016 at 19:49, Matt Turner <mattst88 at gmail.com> wrote:
>>> A user reporting an unrelated bug (98964) said that he has to set
>>> MESA_GL_VERSION_OVERRIDE=1.4 when running Chromium otherwise it's too
>>> slow. I presume that it's attempting to use GL 2.0/2.1 features that
>>> aren't hardware-supported on i915.
>> Ubuntu has been carrying a slightly different patch for a while [1].
>> JFYI - I cannot comment which one is the better option.
>>
>> -Emil
>>
>> [1] https://anonscm.debian.org/git/pkg-xorg/lib/mesa.git/tree/debian/patches/i915-dont-default-to-2.1.patch?h=ubuntu
> 
> Yeah, reverting the patch directly is probably better. Thanks for the heads up.

I don't think Matt's original patch is enough because the driver will
still advertise 2.1 due to all the extensions being enabled.

At the same time, I think we should leave ES 2.0 enabled.  Many of the
limitations in ES 2.0 are specifically so that parts like i915 can play.

> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev