[Bug 91107] [Radeonsi/290x] In the Dota2 Reborn beta only half on the ingame GUI is rendered

[Bug 91107] [Radeonsi/290x] In the Dota2 Reborn beta only half on the ingame GUI is rendered

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=91107

            Bug ID: 91107
           Summary: [Radeonsi/290x] In the Dota2 Reborn beta only half on
                    the ingame GUI is rendered
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: darkdefende@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 116713
  --> https://bugs.freedesktop.org/attachment.cgi?id=116713&action=edit
Picture of the hero pick screen

When I try to play a bot match (and probably any other game type) in the dota2
reborn beta, only half of the ingame GUI is rendered.

It seems to be that some textures only renders half of it's content. For
example in the hero pick menu (see the attached png file) the "Repick" button
should be a red cross. But now only half of it is shown.

There also seems to be some z fighting issues as some ground textures flicker
and the green/red dots on the minimap flickers sometimes also.

I've opened a bug ticked on the official dota2 reborn bugtracker:
https://github.com/ValveSoftware/Dota-2-Reborn/issues/79

It seems like this might only be a problem with Hawaii cards.

I'm running Gentoo Linux with kernel 4.1.0 and git versions (checked out as of
today, jun 25) of mesa, xorg, llvm etc.

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[Bug 91107] [Radeonsi/290x] In the Dota2 Reborn beta only half on the ingame GUI is rendered

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https://bugs.freedesktop.org/show_bug.cgi?id=91107

Sebastian Parborg <darkdefende@gmail.com> changed:

           What    |Removed                     |Added
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 Attachment #116713|text/plain                  |image/png
          mime type|                            |

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[Bug 91107] [Radeonsi/290x] In the Dota2 Reborn beta only half on the ingame GUI is rendered

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=91107

--- Comment #1 from Christoph Haag <haagch@frickel.club> ---
In case not everyone looks at the linked issue report:

I see the "half" issue and heavy flickering on my

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Wimbledon XT [Radeon HD 7970M] (rev ff)

but not on my

00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor
Graphics Controller (rev 09)


Here is a video of the issue: https://www.youtube.com/watch?v=vPxaC_pFD-o

and here is a shorter and a slightly longer apitrace:

http://haagch.frickel.club/files/dota2.trace.xz
http://haagch.frickel.club/files/dota2-longer.trace.xz

The traces work on intel, but are broken on radeonsi.

Interestingly the "in game" rendering in replays of the traces doen't work on
either driver, but it works when actually running the game.

So far I have only tested with latest mesa git.

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[Bug 91107] [Radeonsi/290x] In the Dota2 Reborn beta only half on the ingame GUI is rendered

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https://bugs.freedesktop.org/show_bug.cgi?id=91107

Christoph Haag <haagch@frickel.club> changed:

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

--- Comment #2 from Christoph Haag <haagch@frickel.club> ---
So it wasn't an actual bug in the drivers after all.

> It was a problem with relying on undefined behavior when GL_CLIP_DISTANCE0
> is enabled and the shader does not write gl_ClipDistance[0]

https://github.com/ValveSoftware/Dota-2-Reborn/issues/79#issuecomment-115401636

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