* [Bug 97852] Unreal Engine corrupted preview viewport
2016-09-18 19:39 [Bug 97852] Unreal Engine corrupted preview viewport bugzilla-daemon
@ 2016-09-28 12:00 ` bugzilla-daemon
2016-10-09 15:59 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-09-28 12:00 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97852
--- Comment #1 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Hi Markus, can you provide an apitrace that can reproduce the corruption?
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2016-09-18 19:39 [Bug 97852] Unreal Engine corrupted preview viewport bugzilla-daemon
2016-09-28 12:00 ` bugzilla-daemon
@ 2016-10-09 15:59 ` bugzilla-daemon
2016-10-09 18:31 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-10-09 15:59 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=97852
--- Comment #2 from Markus <mw@graph-ix.net> ---
(In reply to Nicolai Hähnle from comment #1)
> Hi Markus, can you provide an apitrace that can reproduce the corruption?
Hi Nicolai, I'm not familiar with debugging Mesa. Could you please provide a
link to documentation on how I can obtain the information you need?
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2016-09-18 19:39 [Bug 97852] Unreal Engine corrupted preview viewport bugzilla-daemon
2016-09-28 12:00 ` bugzilla-daemon
2016-10-09 15:59 ` bugzilla-daemon
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2016-10-30 16:57 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-10-09 18:31 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97852
--- Comment #3 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Use this tool: https://github.com/apitrace/apitrace to record a session that
shows the problem. Once installed, you basically just run `apitrace trace
<program under trace>`. The documentation linked to in the readme is generally
pretty good.
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2016-09-18 19:39 [Bug 97852] Unreal Engine corrupted preview viewport bugzilla-daemon
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From: bugzilla-daemon @ 2016-10-30 16:57 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97852
--- Comment #4 from Markus <mw@graph-ix.net> ---
Created attachment 127627
--> https://bugs.freedesktop.org/attachment.cgi?id=127627&action=edit
API trace
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^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug 97852] Unreal Engine corrupted preview viewport
2016-09-18 19:39 [Bug 97852] Unreal Engine corrupted preview viewport bugzilla-daemon
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2016-10-30 16:57 ` bugzilla-daemon
@ 2016-10-30 17:01 ` bugzilla-daemon
2016-10-31 6:24 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-10-30 17:01 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97852
--- Comment #5 from Markus <mw@graph-ix.net> ---
(In reply to Nicolai Hähnle from comment #3)
> Use this tool: https://github.com/apitrace/apitrace to record a session that
> shows the problem. Once installed, you basically just run `apitrace trace
> <program under trace>`. The documentation linked to in the readme is
> generally pretty good.
Hi Nicolai, an API trace is now attached. The trace was created with Mesa
version 13.1~git161022230600.7b7eb71~x~padoka0 where the issue is still
present.
The major part of the trace probably consists of the editor starting up, so the
issue itself should only be captured in the seconds prior to the editor
starting to shut down.
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^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug 97852] Unreal Engine corrupted preview viewport
2016-09-18 19:39 [Bug 97852] Unreal Engine corrupted preview viewport bugzilla-daemon
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2016-10-30 17:01 ` bugzilla-daemon
@ 2016-10-31 6:24 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-10-31 6:24 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97852
Michel Dänzer <michel@daenzer.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
QA Contact|dri-devel@lists.freedesktop |intel-3d-bugs@lists.freedes
|.org |ktop.org
Assignee|dri-devel@lists.freedesktop |mesa-dev@lists.freedesktop.
|.org |org
Component|Drivers/Gallium/radeonsi |glsl-compiler
--- Comment #6 from Michel Dänzer <michel@daenzer.net> ---
A shader program fails to link, see below. This may be an Unreal Engine
(editor) bug, reassigning to the GLSL compiler for now.
839119 @4 glLinkProgram(program = 3018)
839119: warning: link failed
839119: warning: error: vertex shader output `out_TEXCOORD0' specifies
noperspective interpolation qualifier, but fragment shader input specifies no
interpolation qualifier
Mesa: User error: GL_INVALID_OPERATION in glUseProgram(program 3018 not linked)
[more errors]
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