[Bug 100387] War Thunder game has visual errors, missing textures

[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

            Bug ID: 100387
           Summary: War Thunder game has visual errors, missing textures
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: acelists@atlas.sk
        QA Contact: dri-devel@lists.freedesktop.org

Using the War Thunder game on Slackware, Mesa git custom compiled, LLVM 4.0 and
on a RV710 card (512MB video RAM) always produces visual errors. The errors are
not the same at all runs but vary between these problems, e.g. sky being black,
clouds being any color, water is some color without reflections, trees being
blue.
Plane/ground target models are mostly correct, but sometimes they are also
white.

The errors can be seen right in the hangar, but also when playing the game (in
a mission).

I have set the "Old videocard support" in the graphics options in the game.
This has improved things to the state I describe. The game client shows "ultra
low quality" in the right hand corner. I am using the low-res client (HD
textures not downloaded) and the client often prompts to download hi-res
textures which I decline.

Other than this, the game runs correctly, albeit slow on this GPU (5-15FPS).

In the console where I start the game (updater binary) there is a ton of output
like:
EE r600_shader.c:183 r600_pipe_shader_create - translation from TGSI failed !
EE r600_state_common.c:803 r600_shader_select - Failed to build shader variant
(type=1) -1

The line numbers 183 and 803 are always the same.

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #1 from aceman <acelists@atlas.sk> ---
I now noticed the same console errors are output when running the latest
Firefox nightly with "webrender" force-enabled (in about:config). Maybe that
helps and is easier to debug than a big game.

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #2 from aceman <acelists@atlas.sk> ---
I can test patches if you have any ideas. Thanks.

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #3 from russianneuromancer@ya.ru ---
Created attachment 131233
  --> https://bugs.freedesktop.org/attachment.cgi?id=131233&action=edit
War Thunder on Radeon HD 8470D with Mesa 17.1.0rc2

Same issue on Radeon 8470D.

Software:
Kubuntu 17.0 x86_64
Linux 4.10
Mesa: 17.1.0rc2
libdrm: 2.4.80
xserver-xorg-video-radeon: 7.9.0
xserver-xorg-core: 1.19.3

Hardware: 
AMD A6-6400K with Radeon HD 8470D (ARUBA)

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #4 from Hi-Angel <Hi-Angel@yandex.ru> ---
>From a quick debugging session the error is coming from here
https://github.com/mesa3d/mesa/blob/a5e1c9f1d5b6063f0a92634967475a05362c0d31/src/gallium/drivers/r600/r600_asm.c#L603

Don't have time ATM to look closer, but commenting here in case anybody have
ideas, including what to look at.

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[Bug 100387] War Thunder game has visual errors, missing textures

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #5 from Hi-Angel <Hi-Angel@yandex.ru> ---
Sorry for long time not answering. The error is because one instruction is
using more than 2 cfiles which check_and_set_bank_swizzle() doesn't allow,
though acc. to docs it can handle up to 4 distinct cfiles in a group.

I was trying to fix it be rewriting the bank_swizzle scheduler into smarter
version, but had to abandon it because it turned out to be pointless (the
effeciency is about the same, but more importantly, for some reason r600g have
2 schedulers, and this one simply does validation). FTR, unfinished code is
here https://github.com/Hi-Angel/mesa/tree/wip-bank_swizzle-scheduler

I am not sure if I'll have a motivation to look into modifying the current
scheduler, the more that there's some oddness in documentation (you can say
"pun intended" because it is that docs don't allow odd number of distinct
cfiles in a group, however a group with 1 cfile works just fine).

But fixing this bug won't help to the game anyway, because the next problem it
runs into is a very old one of requiring too many GPRs
https://bugs.freedesktop.org/buglist.cgi?quicksearch=Shader%20GPR%20limit%20exceeded&list_id=619399

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #6 from aceman <acelists@atlas.sk> ---
Are those problems solved in radeonsi?

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

Peter <tuharsky@misbb.sk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tuharsky@misbb.sk

--- Comment #7 from Peter <tuharsky@misbb.sk> ---
I see very similar problem with Radeon HD 6850.

OTOH, I must say that with AMD A8-7600 onchip Radeon R7 everything seems OK.

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #8 from Peter <tuharsky@misbb.sk> ---
Created attachment 134034
  --> https://bugs.freedesktop.org/attachment.cgi?id=134034&action=edit
screenshot - War Thunder, Radeon HD 6850

MESA 17.1.5

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #9 from Peter <tuharsky@misbb.sk> ---
(In reply to Hi-Angel from comment #5)

> But fixing this bug won't help to the game anyway, because the next problem
> it runs into is a very old one of requiring too many GPRs

Are You sure? I don't know the exact background here, but on Radeon R7 it runs
seamlessly...

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #10 from aceman <acelists@atlas.sk> ---
I'd assume "AMD A8-7600 with onchip Radeon R7" uses the separate radeonSI mesa
driver and may not have this problem reported in this bug. Notice the bug is
against R600 driver.

I asked about the radeonSI drive in comment 6 but didn't get a reply. If you
could find out if you are running with it and rendering is fine, I would like
to know.

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #11 from Peter <tuharsky@misbb.sk> ---
Well, no problem, just please give me a reliable way to get this info. Listing
the X.org.log, I'm a bit confused.

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #12 from aceman <acelists@atlas.sk> ---
Try looking for DRI driver name or VDPAU driver name in Xorg.log.

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #13 from Peter <tuharsky@misbb.sk> ---
Created attachment 134095
  --> https://bugs.freedesktop.org/attachment.cgi?id=134095&action=edit
X.org log file

please, see attachment...

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #14 from aceman <acelists@atlas.sk> ---
The attached log seems to imply R600 driver is used.
It also lists the GPU as:
Chipset: "AMD Radeon HD 6800 Series" (ChipID = 0x6739)

Is this really from the A8-7600 machine?

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #15 from Peter <tuharsky@misbb.sk> ---
No, the log is from LTSP thin/fat client. Terefore CPU is of LTSP server.
GPU is correct though.

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

Maksim Bobylev <uni.brain.fckr@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|git                         |17.1

--- Comment #16 from Maksim Bobylev <uni.brain.fckr@gmail.com> ---
Same problem on Radeon HD 6470M

mesa-17.0.6/17.1.9
llvm-3.9.1-r1/4.0.1
xf86-video-ati-7.9.0
xorg-server-1.19.3
kernel-4.12.12-gentoo

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #17 from Maksim <uni.brain.fckr@gmail.com> ---
(In reply to aceman from comment #6)
> Are those problems solved in radeonsi?

(In reply to aceman from comment #10)
> I asked about the radeonSI drive in comment 6 but didn't get a reply. If you
> could find out if you are running with it and rendering is fine, I would
> like to know.

On my other machine amdgpu+radeonsi it is working OK.

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #18 from russianneuromancer@ya.ru ---
Issue is still reproducible in Mesa 17.2. With Mesa 17.3 I get GPU lockup at
War Thunder launch: bug 103900

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #19 from Agatha_Luni <a_r_t_e_m_t_s_e_v_a@mail.ru> ---
I have same issue on my AMD A6-6400K with Radeon HD 8470D (ARUBA)
Kubuntu 17.10 x86_64 with Linux 4.13.0 and Mesa 17.2.2

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #20 from russianneuromancer@ya.ru ---
Possibly this bug is duplicate of bug 99349

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #21 from aceman <acelists@atlas.sk> ---
Yes, with amdgpu+radeonsi (on RX560) there are no issues. It runs at 40-60fps
on Medium details.

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[Bug 100387] War Thunder game has visual errors, missing textures

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

--- Comment #22 from russianneuromancer@ya.ru ---
Looks similar: bug 105213

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https://bugs.freedesktop.org/show_bug.cgi?id=100387

GitLab Migration User <gitlab-migration@fdo.invalid> changed:

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

--- Comment #23 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/599.

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