[Bug 109331] Empire Total War - Graphical Corruption

[Bug 109331] Empire Total War - Graphical Corruption

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=109331

            Bug ID: 109331
           Summary: Empire Total War - Graphical Corruption
           Product: Mesa
           Version: 18.3
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: andrew.m.mcmahon@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 143078
  --> https://bugs.freedesktop.org/attachment.cgi?id=143078&action=edit
glxinfo | grep strings

4.20.0-arch1-1-ARCH
mesa 18.3.1-1
steam 1.0.0.59-1
R9 285 (Tonga)

In game menus and other game play elements aren't rendered correctly by
default:
https://imgur.com/a/AvclRkS

There are no special steps required to replicate the issue.

Affects other Linux distributions and other cards:
https://steamcommunity.com/app/10500/discussions/0/1319962244123571976/

A known workaround for the problem is to edit:

~/.local/share/feral-interactive/Empire/preferences

Changing the value of the following line to zero:

<value name="UsePBOSurfaces" type="integer">1</value>

There doesn't appear to be any downside to this.
Medieval 2 Total War doesn't appear to be affected on my setup.
Unable to test Shogun 2 or Fall of the Samurai as I don't have access to those.

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[Bug 109331] Empire Total War - Graphical Corruption

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https://bugs.freedesktop.org/show_bug.cgi?id=109331

--- Comment #1 from andrew.m.mcmahon@gmail.com ---
Created attachment 143079
  --> https://bugs.freedesktop.org/attachment.cgi?id=143079&action=edit
steam system info

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[Bug 109331] Empire Total War - Graphical Corruption

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https://bugs.freedesktop.org/show_bug.cgi?id=109331

--- Comment #2 from andrew.m.mcmahon@gmail.com ---
Created attachment 143084
  --> https://bugs.freedesktop.org/attachment.cgi?id=143084&action=edit
Xorg log

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[Bug 109331] Empire Total War - Graphical Corruption

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 573 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=109331

andrew.m.mcmahon@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #143084|0                           |1
        is obsolete|                            |

--- Comment #3 from andrew.m.mcmahon@gmail.com ---
Created attachment 143085
  --> https://bugs.freedesktop.org/attachment.cgi?id=143085&action=edit
Xorg log

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[Bug 109331] Empire Total War - Graphical Corruption

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[-- Attachment #1.1: Type: text/plain, Size: 295 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=109331

--- Comment #4 from andrew.m.mcmahon@gmail.com ---
Created attachment 143086
  --> https://bugs.freedesktop.org/attachment.cgi?id=143086&action=edit
dmesg -w

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[Bug 109331] Empire Total War - Graphical Corruption

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https://bugs.freedesktop.org/show_bug.cgi?id=109331

--- Comment #5 from andrew.m.mcmahon@gmail.com ---
I've used apitrace (DEBUGGER="apitrace32 trace" steam steam://rungameid/10500)
to capture some trace files. 
I'm able to replay them using apitrace replay [file] so I hope others are too. 

I've uploaded a 7z archive containing a "bugged" trace and a "workaround" trace
with their corresponding terminal output:
https://drive.google.com/file/d/1BAQFnrJqujU7dYGQTfheABTRjj-_a8Ys/view?usp=sharing

By complete coincidence the archive happens to be 666MB.
The bugged trace is several gigabytes in size whilst the workaround is a mere
90MB so there must be something funny happening there...

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[Bug 109331] Empire Total War - Graphical Corruption

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https://bugs.freedesktop.org/show_bug.cgi?id=109331

--- Comment #6 from andrew.m.mcmahon@gmail.com ---
One last comment before I leave it to the experts.

Another bug report with Unity 18.04:
https://steamcommunity.com/app/10500/discussions/0/3441214221460524307/

If anyone wants to go above and beyond the call of duty then I've uploaded some
traces for Medieval 2 here:
https://drive.google.com/open?id=17LUb2EsS3oqYjEyZ-yxIB_C_DBnS0Wz8

I've used the same trick of disabling/enabling PBO surfaces.

Finally what exactly are PBO surfaces? Do I need them? What's the penalty for
not using them?
The game seems to trace faster with them off than on.
Are the Linux ports by Feral a bit wonky and/or prone to strange behaviour - or
are they generally decent?

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[Bug 109331] Empire Total War - Graphical Corruption

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https://bugs.freedesktop.org/show_bug.cgi?id=109331

--- Comment #7 from andrew.m.mcmahon@gmail.com ---
Created attachment 143088
  --> https://bugs.freedesktop.org/attachment.cgi?id=143088&action=edit
mesa-git glxinfo

As a last ditch effort I thought I'd try the latest mesa/llvm that are provided
by [llvm-git] and [mesa-git] unofficial repo's.

Unfortunately the issue still occurs.

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[Bug 109331] Empire Total War - Graphical Corruption

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https://bugs.freedesktop.org/show_bug.cgi?id=109331

andrew.m.mcmahon@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |77449
            Version|18.3                        |git


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 109331] Empire Total War - Graphical Corruption

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[-- Attachment #1.1: Type: text/plain, Size: 1501 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=109331

andrew.m.mcmahon@gmail.com changed:

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

--- Comment #8 from andrew.m.mcmahon@gmail.com ---
My system has changed somewhat since writing this bug report. 

As all Feral games on STEAM officially support either STEAMOS or Ubuntu; I
thought I'd check out xubuntu 18.04 LTS - specifically:
https://pastebin.com/f8cTGLSY

The same glitch appears with the current Mesa drivers provided by the
distribution (18.2.8)

But using oibaf's ppa:
https://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers

Mesa related packages are updated to:
Mesa 19.1.0-devel (git-54522d0 2019-03-06 bionic-oibaf-ppa)

And I can no longer reproduce the issue! https://i.imgur.com/VhIylSp.jpg

As I've made no other changes other than switching Mesa packages I can only
assume that this has been fixed by an update/commit recently.

Many thanks to everyone who works on Mesa.
In just a few years (since I last tried Debian) my R9 285 has gone from having
no support whatever in Linux to being very capable indeed to the point where I
no longer require Windows: https://imgur.com/a/keUM4VS
https://imgur.com/a/awddkUg

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