[Mesa-dev] [PATCH v2] r600g: allow viewport index/layer to be sent to fs

Ilia Mirkin imirkin at alum.mit.edu
Wed Jul 2 07:59:13 PDT 2014

Thanks Tobias! I've pushed this change now.

On Wed, Jul 2, 2014 at 12:49 AM, Tobias Droste <tdroste at gmx.de> wrote:
> Hi,
> I did a piglit run with the gpu.py profile with and without the patch.
> There were some switches from pass->fail and fail->pass in
> spec/glsl-1.50/execution/geometry/end-primitive but these seem to not be
> stable, because after a second with and without a patch different tests from
> this category pass/fail (in both cases with and without the patch).
> I also ran these without "-fbo -auto" and there was no visible difference in
> the images but the test still failed. This was also discusses in IRC #dri-
> devel.
> Other than that I also ran the newly added piglit tests for
> ARB_fragment_layer_viewport-specific and they all pass or skip.
> This was all done with a Evergreen/Juniper card.
> Tobias
> Am Di, 1. Juli 2014, 21:38:10 schrieb Ilia Mirkin:
>> On Tue, Jul 1, 2014 at 9:23 PM, Michel Dänzer <michel at daenzer.net> wrote:
>> > On 02.07.2014 01:25, Marek Olšák wrote:
>> >> If the tests pass, the patch can be merged.
>> >
>> > And if the patch causes no piglit regressions.
>> I can't vouch for that. I have a report that the
>> ARB_fragment_layer_viewport-specific tests pass on a card covered by
>> r600g (evergreen iirc). I've put that Tested-by tag in my commit
>> description. Besides an ATI Rage128 sitting on my shelf, I have no
>> ATI/AMD hardware to test with myself, and I don't want to go around
>> soliciting people running piglit for me since (a) extracting glxinfos
>> out of people is hard enough, getting someone to do a piglit run seems
>> way harder, and (b) piglit runs can kill the system, most users aren't
>> too happy about things like that.
>> TBH, I don't really care whether r600g gets this feature or not, but
>> it would be nice if all the other drivers that have ARB_viewport_array
>> could get it. Basically... do I need to add a CAP for this or not? I
>> don't really care either way, but it would be really nice to get a
>> definitive answer.
>> Cheers,
>>   -ilia
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