[Bug 60552] New: [r300g] Carvisualizer webgl demo: black flickering spots over the car

[Bug 60552] New: [r300g] Carvisualizer webgl demo: black flickering spots over the car

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=60552

          Priority: medium
            Bug ID: 60552
          Assignee: dri-devel@lists.freedesktop.org
           Summary: [r300g] Carvisualizer webgl demo: black flickering
                    spots over the car
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: pavel.ondracka@email.cz
               URL: http://carvisualizer.plus360degrees.com/threejs/
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r300
           Product: Mesa

Created attachment 74497
  --> https://bugs.freedesktop.org/attachment.cgi?id=74497&action=edit
screenshot

In the Car Visualizer Webgl demo, there are some flickering black spots on the
car. This is probably a bug in the shader compiler, as RADEON_DEBUG=noopt works
around this. Specifically its the register_rename pass that causes this, when
it is disabled in r3xx_fragprog.c, everything is fine. Also when I disable only
the dataflow optimize pass, there is still some flickering but much less.

Firefox 18.0
GPU:RV530
Mesa: 0e2f26d5ea26febd16173aa8bbf7427b090e320f
Kernel: 3.7.3-101.fc17.i686

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[Bug 60552] [r300g] Carvisualizer webgl demo: black flickering spots over the car

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https://bugs.freedesktop.org/show_bug.cgi?id=60552

--- Comment #1 from Pavel Ondračka <pavel.ondracka@email.cz> ---
Created attachment 74498
  --> https://bugs.freedesktop.org/attachment.cgi?id=74498&action=edit
RADEON_DEBUG=fp log

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[Bug 60552] [r300g] Carvisualizer webgl demo: black flickering spots over the car

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https://bugs.freedesktop.org/show_bug.cgi?id=60552

--- Comment #2 from Tom Stellard <tstellar@gmail.com> ---
Do you have a link to this demo?

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[Bug 60552] [r300g] Carvisualizer webgl demo: black flickering spots over the car

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https://bugs.freedesktop.org/show_bug.cgi?id=60552

--- Comment #3 from Pavel Ondračka <pavel.ondracka@email.cz> ---
(In reply to comment #2)
> Do you have a link to this demo?

Link is in the URL field ;-) http://carvisualizer.plus360degrees.com/threejs/

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[Bug 60552] [r300g] Carvisualizer webgl demo: black flickering spots over the car

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https://bugs.freedesktop.org/show_bug.cgi?id=60552

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

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

--- Comment #4 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/350.

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