[Nouveau] [Bug 106577] broken rendering with nine and nouveau (GM107)

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=106577

Roman Elshin  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

--- Comment #8 from Roman Elshin  ---
Fixed in master by commit:
fc0139d28339f58bcbb4946fea7608ecdaff93e7
nv50,nvc0: Fix gallium nine regression regarding sampler bindings
Thanks a lot!

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[Nouveau] [Bug 106577] broken rendering with nine and nouveau (GM107)

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=106577

--- Comment #7 from i...@yahoo.com ---
(In reply to Ilia Mirkin from comment #6)
> (In reply to iive from comment #5)
> > What is even worse, the tone you are using here, kind of implies that you do
> > not intend to work on a fix.
> 
> I do intend to work on one

Three months have passed since this bug has been open
and nothing has changed.

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[Nouveau] [Bug 106577] broken rendering with nine and nouveau (GM107)

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=106577

--- Comment #6 from Ilia Mirkin  ---
(In reply to iive from comment #5)
> What is even worse, the tone you are using here, kind of implies that you do
> not intend to work on a fix.

I do intend to work on one, but my time is limited, and this sort of thing
requires a lot of concentration not to muck up completely. I've been intending
since I heard about the issue, so you can see that my intent doesn't mean much.

Sounds like my free-time open-source contributions don't live up to your high
standards. Feel free to hire someone to work on this if you're desperate to see
it fixed but can't do it yourself, or recruit people to contribute in their
free time. In case it's not clear, manpower is lacking.

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[Nouveau] [Bug 106577] broken rendering with nine and nouveau (GM107)

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=106577

--- Comment #5 from i...@yahoo.com ---
(In reply to Ilia Mirkin from comment #4)
> (In reply to iive from comment #3)
> > I must also say I am very disappointed by Nouveau developers
> [...]
> > Nouveau is the only buggy driver, at this moment.
> 
> Patches welcome.

Can't help with that, no working NVidia hardware around.
Not going to buy one either.

> Apparently thus far no one has the time/concentration necessary to rewrite
> all the texture/sampler handling in the driver, and, more importantly,
> ensure that everything still works.

Three months is plenty of time for this kind of bug. Also "rewrite" is too
dramatic word for what has to be done, it's more of "refactoring"; and yes
indeed it could be tricky.
There is also the possibility of placing a single dirty hack in nouveau driver
that is similar to the workaround in the issue tracker.

I think that keeping things private only made things worse. People trusted you
that you would fix this, and you let them down.

What is even worse, the tone you are using here, kind of implies that you do
not intend to work on a fix.

I hope that you will prove me wrong.

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[Nouveau] [Bug 106577] broken rendering with nine and nouveau (GM107)

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=106577

--- Comment #4 from Ilia Mirkin  ---
(In reply to iive from comment #3)
> I must also say I am very disappointed by Nouveau developers
[...]
> Nouveau is the only buggy driver, at this moment.

Patches welcome.

Apparently thus far no one has the time/concentration necessary to rewrite all
the texture/sampler handling in the driver, and, more importantly, ensure that
everything still works.

As always, my standard recommendation applies -- DON'T BUY NVIDIA!

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[Nouveau] [Bug 106577] broken rendering with nine and nouveau (GM107)

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=106577

i...@yahoo.com changed:

   What|Removed |Added

   Priority|medium  |highest

--- Comment #3 from i...@yahoo.com ---
Here is a link to the Ixit Nine issue tracker of this bug:
https://github.com/iXit/Mesa-3D/issues/308

It also contains a workaround that you could use if you compile your own
Mesa3D.

I must also say I am very disappointed by Nouveau developers who have not fixed
this issue for over 3 months after the exact cause has been known and they have
been informed.

You might be angry that the API has been changed without telling you, but it is
your users that suffer from visual glitches because you can't find the time to
adapt your code, or discuss and push another fix.

The software render has already been fixed.
Nouveau is the only buggy driver, at this moment.

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[Nouveau] [Bug 106577] broken rendering with nine and nouveau (GM107)

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=106577

--- Comment #2 from Roman Elshin  ---
Thanks for clarifying, it is sad, i was always thinking that such changes are
comunity decision.

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[Nouveau] [Bug 106577] broken rendering with nine and nouveau (GM107)

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=106577

--- Comment #1 from Ilia Mirkin  ---
Yes, it's a known issue.

The gallium API usage was updated in the CSO to be incompatible with how
nouveau processes texture/sampler binding. Haven't gotten around to fixing it
yet though.

There's no "no regressions" policy, so you end up with a broken driver.

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