[Bug 86356] New: [nv50] Graphical glitches in dota2

[Bug 86356] New: [nv50] Graphical glitches in dota2

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https://bugs.freedesktop.org/show_bug.cgi?id=86356

            Bug ID: 86356
           Summary: [nv50] Graphical glitches in dota2
           Product: Mesa
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: emil.l.velikov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org

Created attachment 109567
  --> https://bugs.freedesktop.org/attachment.cgi?id=109567&action=edit
Screen shot of the issue, from a trimmed trace

It seems that one of the dota2 updates over the last month or so introduced a
regression causing visual glitches as shown in the attached files.

Originally I've assumed to be a mesa regression, but it seems that's not the
case  - old, previously working mesa produces the same output.

MESA_EXTENSION_OVERRIDE=-GL_ARB_draw_elements_base_vertex makes no difference,
plus replaying a trace recorded on i965/snb (no issues there) exhibits the same
glitches.


Note: After trimming the trace some textures are not missing and the text
appears block. The trace plus a screenshot of a non-trimmed trace will follow
shortly.

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[Bug 86356] [nv50] Graphical glitches in dota2

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https://bugs.freedesktop.org/show_bug.cgi?id=86356

Emil Velikov <emil.l.velikov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #109567|text/plain                  |image/png
          mime type|                            |

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[Bug 86356] [nv50] Graphical glitches in dota2

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https://bugs.freedesktop.org/show_bug.cgi?id=86356

--- Comment #1 from Emil Velikov <emil.l.velikov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
Created attachment 109568
  --> https://bugs.freedesktop.org/attachment.cgi?id=109568&action=edit
Screen shot of the issue, from original trace

Reference image of the issue from a non-trimmed trace.

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[Bug 86356] [nv50] Graphical glitches in dota2

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https://bugs.freedesktop.org/show_bug.cgi?id=86356

--- Comment #2 from Emil Velikov <emil.l.velikov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
The trace is here:
http://people.freedesktop.org/~evelikov/fdo86356/dota2.trace.xz

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[Bug 86356] [nv50] Graphical glitches in dota2

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https://bugs.freedesktop.org/show_bug.cgi?id=86356

--- Comment #3 from Emil Velikov <emil.l.velikov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
The following messages while replaying the trace are due to the trimming:

Mesa: User error: GL_INVALID_OPERATION in glDeleteShader
XX: glDebugOutputCallback: High severity API error 2, GL_INVALID_OPERATION in
glDeleteShader
0 XX glDeleteShader(shader = YY)

Running against debug mesa (./configure --enable-debug ...) does not trigger
any asserts or produce extra output to stderr/stdout.

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[Bug 86356] [nv50] Graphical glitches in dota2

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https://bugs.freedesktop.org/show_bug.cgi?id=86356

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

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

--- Comment #4 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
mogorva on IRC confirms that this bug is the same as the TXL-related one. Even
though it's newer, it has all the relevant info, so marking as dup.

*** This bug has been marked as a duplicate of bug 90887 ***

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