[Bug 50325] New: Glyphy bad render on r600g (software render is fine)

[Bug 50325] New: Glyphy bad render on r600g (software render is fine)

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=50325

             Bug #: 50325
           Summary: Glyphy bad render on r600g (software render is fine)
    Classification: Unclassified
           Product: Mesa
           Version: 8.0
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: edwin+mesa@etorok.net


Created attachment 62078
  --> https://bugs.freedesktop.org/attachment.cgi?id=62078
apitrace (cf. https://github.com/apitrace/apitrace/tree/1.0)

I just tried Glyphy on r600g and the output is very bad.
Don't know if its Glyphy bug or Mesa bug, but if I force software rendering in
Mesa then I do see the output.

Attached screenshots of bad (r600g) and good (software render).

The bad render was obtained by:
demo/glyphy-demo

The good one:
LIBGL_ALWAYS_SOFTWARE=1 demo/glyphy-demo

I tested on:
OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD RV730
OpenGL version string: 2.1 Mesa 8.0.2
OpenGL shading language version string: 1.20

I'll try to test on mesa git later to see if its still an issue there.

Also attached is a an apitrace, and the bad render can be reproduced with:
build/glretrace lt-glyphy-demo.trace

The good render (initialization a bit slow, but works):
LIBGL_ALWAYS_SOFTWARE=1 build/glretrace lt-glyphy-demo.trace

The source code for Glyphy can be found here:
https://code.google.com/p/glyphy/source/checkout

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[Bug 50325] Glyphy bad render on r600g (software render is fine)

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https://bugs.freedesktop.org/show_bug.cgi?id=50325

--- Comment #1 from Török Edwin <edwin+mesa@etorok.net> 2012-05-24 14:57:08 PDT ---
Created attachment 62079
  --> https://bugs.freedesktop.org/attachment.cgi?id=62079
r600g-bad.png

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[Bug 50325] Glyphy bad render on r600g (software render is fine)

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=50325

--- Comment #2 from Török Edwin <edwin+mesa@etorok.net> 2012-05-24 14:57:24 PDT ---
Created attachment 62080
  --> https://bugs.freedesktop.org/attachment.cgi?id=62080
sw-good.png

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[Bug 50325] Glyphy bad render on r600g (software render is fine)

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https://bugs.freedesktop.org/show_bug.cgi?id=50325

--- Comment #3 from Török Edwin <edwin+mesa@etorok.net> 2012-05-25 00:22:27 PDT ---
With the git version of Mesa I get an error, opened new bug here:
https://bugs.freedesktop.org/show_bug.cgi?id=50338
EE r600_shader.c:140 r600_pipe_shader_create - translation from TGSI failed !

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[Bug 50325] Glyphy bad render on r600g (software render is fine) - too many registers?

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https://bugs.freedesktop.org/show_bug.cgi?id=50325

Török Edwin <edwin+mesa@etorok.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Glyphy bad render on r600g  |Glyphy bad render on r600g
                   |(software render is fine)   |(software render is fine) -
                   |                            |too many registers?

--- Comment #4 from Török Edwin <edwin+mesa@etorok.net> 2012-05-26 01:52:53 PDT ---
(In reply to comment #3)
> With the git version of Mesa I get an error, opened new bug here:
> https://bugs.freedesktop.org/show_bug.cgi?id=50338
> EE r600_shader.c:140 r600_pipe_shader_create - translation from TGSI failed !

The bad render might be because the shader tries to use too many registers,
some earlier version of Mesa git printed some errors about GPR count limit
being exceeded.

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[Bug 50325] Glyphy bad render on r600g (software render is fine) - too many registers?

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https://bugs.freedesktop.org/show_bug.cgi?id=50325

--- Comment #5 from cyberkm@gmail.com ---
Bump

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[Bug 50325] Glyphy bad render on r600g (software render is fine) - too many registers?

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https://bugs.freedesktop.org/show_bug.cgi?id=50325

--- Comment #6 from Vedran Miletić <vedran@miletic.net> ---
(In reply to cyberkm from comment #5)
> Bump

Have you confirmed it happens with latest Mesa git? What hardware did you try
it on?

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[Bug 50325] Glyphy bad render on r600g (software render is fine) - too many registers?

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https://bugs.freedesktop.org/show_bug.cgi?id=50325

--- Comment #7 from cyberkm@gmail.com ---
Yep, latest mesa git.

05:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Antilles [Radeon HD 6990]

mesa r600 gallium.

The app works fine if i switch to software renderer.

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[Bug 50325] Glyphy bad render on r600g (software render is fine) - too many registers?

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https://bugs.freedesktop.org/show_bug.cgi?id=50325

--- Comment #8 from Gert Wollny <gw.fossdev@gmail.com> ---
Could you re-test with the latest mesa-git? As of mid September some patches
landed that improved the register use. 

I myself tried it on an AMD 6850 HD and the trace works fine now.

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[Bug 50325] Glyphy bad render on r600g (software render is fine) - too many registers?

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https://bugs.freedesktop.org/show_bug.cgi?id=50325

Gert Wollny <gw.fossdev@gmail.com> changed:

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

--- Comment #9 from Gert Wollny <gw.fossdev@gmail.com> ---
This should be fixed since version 17.2.

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[Bug 50325] Glyphy bad render on r600g (software render is fine) - too many registers?

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https://bugs.freedesktop.org/show_bug.cgi?id=50325

--- Comment #10 from Gert Wollny <gw.fossdev@gmail.com> ---
Actually, that should be v17.3.

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