[Bug 96622] [radeonsi] "Dreamfall Chapters: The longest Journey" shows visual corruption

[Bug 96622] [radeonsi] "Dreamfall Chapters: The longest Journey" shows visual corruption

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=96622

            Bug ID: 96622
           Summary: [radeonsi] "Dreamfall Chapters: The longest Journey"
                    shows visual corruption
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: kai@dev.carbon-project.org
        QA Contact: dri-devel@lists.freedesktop.org
            Blocks: 77449

Created attachment 124647
  --> https://bugs.freedesktop.org/attachment.cgi?id=124647&action=edit
Screenshot showing visual corruption with game version 5.1.1 on radeonsi

Since the recent release of book five for "Dreamfall Chapters: The longest
Journey" and the games usage of a OpenGL 4.1+ context I'm seeing minor visual
corruption in almost all scenes: usually it's just a few pixels – mostly along
borders/edges of models – with wrong colours, like a bright green or yellow.
During the epilogue there is a scene with more heavy corruption in the
background. The attached screenshot shows that scene.

The game version is the currently latest 5.1.1 and was run on the following
stack (a fully updated Debian testing as a base):
GPU: Hawaii PRO [Radeon R9 290] (ChipID = 0x67b1)
Mesa: Git:master/5a64549f54
libdrm: 2.4.68-1
LLVM: SVN:trunk/r273281 (3.9 devel) +
<http://reviews.llvm.org/D21551?id=61349&download=true>
X.Org: 2:1.18.3-1
Linux: 4.6.2
Firmware: firmware-amd-graphics/20160110-1
libclc: Git:master/20d977a3e6
DDX: 1:7.7.0-1

Please let me know, if you need anything else.


Referenced Bugs:

https://bugs.freedesktop.org/show_bug.cgi?id=77449
[Bug 77449] Tracker bug for all bugs related to Steam titles
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[Bug 96622] [radeonsi] "Dreamfall Chapters: The longest Journey" shows visual corruption

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https://bugs.freedesktop.org/show_bug.cgi?id=96622

--- Comment #1 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Thanks for opening the separate report. Can you create an apitrace that shows
the visual corruption?

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[Bug 96622] [radeonsi] "Dreamfall Chapters: The longest Journey" shows visual corruption

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=96622

--- Comment #2 from Kai <kai@dev.carbon-project.org> ---
(In reply to Nicolai Hähnle from comment #1)
> Thanks for opening the separate report.

No need to thank me for that. It's easier for everybody this way. ;-) (Btw, I
marked bug 96602 as resolved yesterday, even though
<http://reviews.llvm.org/D21551> is not commited yet. That might have been a
bit rash. In case you need it open for tracking/remembering to ping D21551 if
needed, let me know and I reopen it.)

> Can you create an apitrace that shows the visual corruption?

Sure. You can find the trace in compressed form at
<http://dev.carbon-project.org/debian/mesa.bugs/96622/dfc.trace.xz>. Please
note, that you will need a password and user name to access the trace, since
it's ~ 1.2 GB in size even in compressed form (~ 2.6 GB uncompressed) and I
want to prevent needless downloads. According to my records you should already
have working login credentials from a prior report/trace. If you need me to
reset the password, just let me know (other known Mesa developers wanting to
have a look at the file, can contact me for credentials by private e-mail).

The trace shows my graphics settings for the game at the beginning to allow you
to recreate the setup, should you gain/have access to the game.

The first sequence after the loading screen doesn't show a glitch in the trace,
even though I saw some white pixels on the balcony while recording.

The corruption from attachment 124647 can be seen after the second loading
screen.

The trace was recorded with the same stack and game version as described in
comment #0.

Let me know, if you need anything else.

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[Bug 96622] [radeonsi,apitrace] "Dreamfall Chapters: The longest Journey" shows visual corruption

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=96622

Kai <kai@dev.carbon-project.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[radeonsi] "Dreamfall       |[radeonsi,apitrace]
                   |Chapters: The longest       |"Dreamfall Chapters: The
                   |Journey" shows visual       |longest Journey" shows
                   |corruption                  |visual corruption

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[Bug 96622] [radeonsi,apitrace] "Dreamfall Chapters: The longest Journey" shows visual corruption

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https://bugs.freedesktop.org/show_bug.cgi?id=96622

--- Comment #3 from Kai <kai@dev.carbon-project.org> ---
Created attachment 124709
  --> https://bugs.freedesktop.org/attachment.cgi?id=124709&action=edit
Fixed!

As you can see from the attached screenshot, I can no longer reproduce the bug
with game version 5.2.0 and the following stack (a fully updated Debian testing
as a base):
GPU: Hawaii PRO [Radeon R9 290] (ChipID = 0x67b1)
Mesa: Git:master/28d0d0c5b4
libdrm: 2.4.68-1
LLVM: SVN:trunk/r273689 (3.9 devel) +
<http://reviews.llvm.org/D21551?id=61349&download=true>
X.Org: 2:1.18.3-1
Linux: 4.6.2
Firmware: firmware-amd-graphics/20160110-1
libclc: Git:master/20d977a3e6
DDX: 1:7.7.0-1

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[Bug 96622] [radeonsi,apitrace] "Dreamfall Chapters: The longest Journey" shows visual corruption

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=96622

Kai <kai@dev.carbon-project.org> changed:

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

--- Comment #4 from Kai <kai@dev.carbon-project.org> ---
Resolving as „not our bug“ since the changelog for DFC 5.2.0
(<http://steamcommunity.com/games/237850/announcements/detail/814405200397204382>)
mentions fixes for pixel errors (even though the changelog seems to restrict
this to Mac OS X, but since both use OpenGL...).

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[Bug 96622] [radeonsi,apitrace] "Dreamfall Chapters: The longest Journey" shows visual corruption

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https://bugs.freedesktop.org/show_bug.cgi?id=96622

--- Comment #5 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Great to hear that and thank you for following up on here :)

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