[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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https://bugs.freedesktop.org/show_bug.cgi?id=96449

            Bug ID: 96449
           Summary: Dying Light reports OpenGL version 3.0 with mesa-git
           Product: Mesa
           Version: git
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: 0xe2.0x9a.0x9b@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

$ glxinfo | grep git
OpenGL core profile version string: 4.3 ... Mesa 12.1.0-devel (git-26b69ad)
OpenGL version string: 3.0 Mesa 12.1.0-devel (git-26b69ad)

The attached screenshot shows the first window that appears after starting
Dying Light from Steam.

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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https://bugs.freedesktop.org/show_bug.cgi?id=96449

Jan Ziak <0xe2.0x9a.0x9b@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |0xe2.0x9a.0x9b@gmail.com

--- Comment #1 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
Created attachment 124411
  --> https://bugs.freedesktop.org/attachment.cgi?id=124411&action=edit
DyingLight-OpenGL-version

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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https://bugs.freedesktop.org/show_bug.cgi?id=96449

--- Comment #2 from Vladimir Usikov <grantipak@gmail.com> ---
Version of game that you use, want compatibility profile 3.3. In mesa
compatibility profile 3.0. You may try force compatibility profile with:
MESA_GL_VERSION_OVERRIDE=3.3COMPAT

AFAIK Steam demo version of Dying Light use core profile.

Anyway i think this is not mesa bug.

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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https://bugs.freedesktop.org/show_bug.cgi?id=96449

--- Comment #3 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
(In reply to Vladimir Usikov from comment #2)
> Anyway i think this is not mesa bug.

That's a mistake.

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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https://bugs.freedesktop.org/show_bug.cgi?id=96449

--- Comment #4 from Vladimir Usikov <grantipak@gmail.com> ---
>That's a mistake.

Why you think so?

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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https://bugs.freedesktop.org/show_bug.cgi?id=96449

Nicolai Hähnle <nhaehnle@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |WONTFIX
             Status|NEW                         |RESOLVED

--- Comment #5 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Vladimir already told you how to work around this issue.

A long time ago, a decision was made for Mesa not to increase the advertised
compatibility profile version. It is rather unlikely that you would be able to
change people's mind on this - and in any case, this bug report (which is
realyl more of a feature request) is not the correct forum to attempt to do so,
so I'm closing it.

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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https://bugs.freedesktop.org/show_bug.cgi?id=96449

--- Comment #6 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
(In reply to Nicolai Hähnle from comment #5)
> Vladimir already told you how to work around this issue.
> 
> A long time ago, a decision was made for Mesa not to increase the advertised
> compatibility profile version. It is rather unlikely that you would be able
> to change people's mind on this - and in any case, this bug report (which is
> realyl more of a feature request) is not the correct forum to attempt to do
> so, so I'm closing it.

Ok. We need to wait some time to see which prediction is correct.

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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https://bugs.freedesktop.org/show_bug.cgi?id=96449

--- Comment #7 from Adam Bolte <boltronics@gmail.com> ---
MESA_GL_VERSION_OVERRIDE=3.3COMPAT does not work for me. Jan, did it work for
you? All I get is either a crash (after the loading screen), or a blank screen
with sound playing in the background. The warning about a lack of support for
3.3 compatibility profiles does not go away.

I've tried launching steam with "export MESA_GL_VERSION_OVERRIDE=3.3COMPAT" ran
in the xterm prior, and I've tried using MESA_GL_VERSION_OVERRIDE=3.3COMPAT as
an argument to the game from within the Steam launch options. No difference
either way.

Is this a different issue? Should I open a separate bug?

Also, can we get a link to where the decision was made to not support the
compatibility profile, or a quick explanation as to why this is the case?
Thanks.

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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https://bugs.freedesktop.org/show_bug.cgi?id=96449

--- Comment #8 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
(In reply to Adam Bolte from comment #7)
> MESA_GL_VERSION_OVERRIDE=3.3COMPAT does not work for me. Jan, did it work
> for you? All I get is either a crash (after the loading screen), or a blank
> screen with sound playing in the background. The warning about a lack of
> support for 3.3 compatibility profiles does not go away.
> 
> I've tried launching steam with "export MESA_GL_VERSION_OVERRIDE=3.3COMPAT"
> ran in the xterm prior, and I've tried using
> MESA_GL_VERSION_OVERRIDE=3.3COMPAT as an argument to the game from within
> the Steam launch options. No difference either way.
> 
> Is this a different issue? Should I open a separate bug?

The game needs OpenGL 4.4.

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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https://bugs.freedesktop.org/show_bug.cgi?id=96449

--- Comment #9 from Adam Bolte <boltronics@gmail.com> ---
Ahh... nice. Thanks for pointing that out. Seems it should be working soon
enough then.

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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https://bugs.freedesktop.org/show_bug.cgi?id=96449

--- Comment #10 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
Quote from
[https://www.phoronix.com/forums/forum/phoronix/latest-phoronix-articles/904490-another-fun-day-in-mesa-git-radv-nvc0-radeonsi?p=904568#post904568]:

The first 2 frames contain:

[code]
1063 @0 glMatrixMode(mode = GL_MODELVIEW)
1064 @0 glLoadIdentity()
1065 @0 glViewport(x = 0, y = 0, width = 512, height = 256)
1066 @0 glMatrixMode(mode = GL_PROJECTION)
1067 @0 glLoadIdentity()
....
1090 @0 glBegin(mode = GL_TRIANGLE_STRIP)
1091 @0 glTexCoord2f(s = 0, t = 0)
1092 @0 glVertex2f(x = 0, y = 0)
1093 @0 glTexCoord2f(s = 1, t = 0)
1094 @0 glVertex2f(x = 512, y = 0)
1095 @0 glTexCoord2f(s = 0, t = 1)
1096 @0 glVertex2f(x = 0, y = 256)
1097 @0 glTexCoord2f(s = 1, t = 1)
1098 @0 glVertex2f(x = 512, y = 256)
1099 @0 glEnd()
[/code]

For reference: https://www.opengl.org/wiki/Legacy_OpenGL

Although the 3rd and subsequent frames are missing from qapitrace, it can be
assumed that Dying Light is most likely using the compatibility mode.

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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https://bugs.freedesktop.org/show_bug.cgi?id=96449

--- Comment #11 from Adam Bolte <boltronics@gmail.com> ---
Confirming this game does not work without compatibility profiles. Can we get a
link to the discussion on why compatibility profiles will not be supported?

Overrides do not work, so am I to understand that Dying Light will never be
supported by Mesa due to the OpenGL feature set it uses? Or can this bug be
reopened (or perhaps a new bug)?

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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--- Comment #12 from Adam Bolte <boltronics@gmail.com> ---
To be more accurate, I should instead write "confirming this game does not
work, which is presumably due to a lack of compatibility profile support".

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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https://bugs.freedesktop.org/show_bug.cgi?id=96449

--- Comment #13 from Jan Ziak <0xe2.0x9a.0x9b@gmail.com> ---
(In reply to Adam Bolte from comment #11)
> Overrides do not work, so am I to understand that Dying Light will never be
> supported by Mesa due to the OpenGL feature set it uses? Or can this bug be
> reopened (or perhaps a new bug)?

In my opinion (which might differ from the opinion of a number of Mesa
developers), the case isn't that Dying Light will never be supported.
Currently, Mesa developers are investing their time into "OpenGL core profile"
features and performance (and into Vulkan support). After they are done with
this work, which will happen in year 2018 or later, the topic of supporting
compatibility profiles in Mesa can be brought up again.

(This isn't a place for discussing Mesa's future, so this is my last comment on
this topic here.)

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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--- Comment #14 from Adam Bolte <boltronics@gmail.com> ---
Thanks for your thoughts. Much appreciated.

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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https://bugs.freedesktop.org/show_bug.cgi?id=96449

--- Comment #15 from Samuel Pitoiset <samuel.pitoiset@gmail.com> ---
The following commit should fix Dying Light:

https://cgit.freedesktop.org/mesa/mesa/commit/?id=2b878cb8fdb99dd84602553c2e95ef47747f4529

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[Bug 96449] Dying Light reports OpenGL version 3.0 with mesa-git

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--- Comment #16 from Adam Bolte <abolte@systemsaviour.com> ---
Confirming, it works now - provided I set the MESA_GL_VERSION_OVERRIDE first.
Failure to set this causes a blank screen (but audio can be heard from the
intro video).

The following game launch option can be set in Steam:
MESA_GL_VERSION_OVERRIDE=4.1 %command%

4.1 is the minimum that works and does not throw the warning box (shown in
Jan's attached image). Setting the override to 3.3 also gets the game to run (I
didn't bother testing any lower than that), but with the warning.

The game still runs too slow to be enjoyable - it's borderline unplayable. I
was never able to hit 30 FPS (quite bad for this type of game), but at least
it's running.

Having said that, using MESA_GL_VERSION_OVERRIDE=4.5 seems to give me a few
extra in-game FPS. My overclocked i7-6700k and Fury X at 2560x1440 with high
detail settings and maximum draw depth (but no AA and motion blur) was giving
me on average around 26 FPS in the camp where I restored my save point from
(running back and forth), whereas I was never able to get past 23 FPS in the
same area by setting the override to 4.1. I tested that twice to be sure.

Would be great if there were a way to take care of these overrides
automatically in drirc - which is what this bug was originally about. Are we
certain this is still WONTFIX?

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