[Mesa-dev] [PATCH 3/3 v2] r600g: get rid of dummy pixel shader

[tournier.elie]

On 8 May 2017 at 00:25, Dieter Nützel <Dieter at nuetzel-hh.de> wrote:
> Am 26.04.2017 14:37, schrieb tournier.elie:
>>
>> Hello,
>>
>> I'm not an r600g person but I will be pleased to have a look to this work.
>
>
> Hello Elie,
>
> I know, read most of your posts about your 'former' fp64 lib which was
> indeed HW-agnostic.
>
>> I'm currently working on the fp64 for r600g. Hope to be able to send a
>> series in fews days.
>
>
> Do you have something handy for testing?
> My r600g (Turks XT / HD 6670) times run out... ;-)
> https://www.phoronix.com/forums/forum/phoronix/latest-phoronix-articles/950505-radeon-rx-550-amdgpu-pro-vs-drm-next-mesa-17-2-dev?p=950577#post950577
>

I can use LLVM pipe / softpipe to test the code.
Moreover, Andreas Boll helps me to test the code. He own a r600g card.

>> The fp64 code is not HW specific, I can test it on my laptop with an
>> Intel card. I don't even own a r600g card.
>
>
> Do you want my above card for testing r600g?

Thanks you for the offer but I don't have a tower here.

>
>> Have a nice day.
>
>
> Have a nice spring, late here in old (northern) Europe...
>

I'm not sure there are a spring or summer here in Cambridge, UK. ;-)

Elie

> Dieter
>
>
>> On 25 April 2017 at 03:00, Dieter Nützel <Dieter at nuetzel-hh.de> wrote:
>>>
>>> Am 12.04.2017 22:06, schrieb Dave Airlie:
>>>>
>>>>
>>>> On 13 April 2017 at 06:03, Markus Trippelsdorf <markus at trippelsdorf.de>
>>>> wrote:
>>>>>
>>>>>
>>>>> On 2017.04.12 at 20:45 +0100, Emil Velikov wrote:
>>>>>>
>>>>>>
>>>>>> On 12 April 2017 at 20:34, Constantine Kharlamov <Hi-Angel at yandex.ru>
>>>>>> wrote:
>>>>>>
>>>>>> >> I suspect this breaks because r600 more often fails to
>>>>>> >> compile some shaders,
>>>>>> >> and the hw requires a fragment shader and we use the empty one as a
>>>>>> >> fallback in that case.
>>>>>> >
>>>>>> > Ok, that wasn't obvious, I running the system with the patchset on
>>>>>> > HD5730, including
>>>>>> > piglit testing — so far is fine.
>>>>>> >
>>>>>> If in doubt ask the bug reporter(s) to test a patch on their machines.
>>>>>
>>>>>
>>>>>
>>>>> Well, the question is why bother with this legacy code at all?
>>>>> I would expect a much more conservative approach. Except for essential
>>>>> patches to keep the hardware running, everything else should be
>>>>> rejected. Nobody is expecting new features for this ancient hardware
>>>>> anyway.
>>>>
>>>>
>>>>
>>>> I do have 90% of GL4.3 for evergreen and newer done in a branch,
>>>>
>>>> It's just a lack of time to fix the last few hangs and motivate myself
>>>> to get it posted/reviewied.
>>>>
>>>> Then of course getting sb support.
>>>>
>>>> Dave.
>>>
>>>
>>>
>>> Hello Dave,
>>>
>>> can you please send the link to your latest work on this?
>>> So someone (we) can have a look and learn/maybe fix it.
>>> Maybe Elie step in and offer fp64 for r600g if he has some time left.
>>> My times on r600g come to an end...
>>> RX 580, 8 GB, Nitro+ is coming on Friday/Saturday, Yeahhhh ;-)
>>>
>>> Then I have to decide if I hold the Turks XT (6670) or to comp it.
>>>
>>> Greetings around the world!
>>>
>>> Dieter