[Mesa-dev] VTK Tests fails with Mesa Swrast passes with OSMesa

Brian Paul brianp at vmware.com
Tue Feb 19 06:51:59 PST 2013


On 02/15/2013 09:00 AM, Kevin H. Hobbs wrote:
> I have two machines {bubbles, murron} doing nightly dashboard builds of
> VTK using nightly Mesa.
>
> Each machine does a build of VTK using swrast and one with OSMesa.
>
> Many tests pass on both machines when using OSMesa and fail on both
> machines using swrast.
>
> This is an example :
>
> Test failing on bubbles and murron with swrast
> http://open.cdash.org/testDetails.php?test=177420341&build=2813128
> http://open.cdash.org/testDetails.php?test=177431601&build=2813212
>
> Test passing on bubbles and murron with OSMesa
> http://open.cdash.org/testDetails.php?test=177404326&build=2812997
> http://open.cdash.org/testDetails.php?test=177411381&build=2813049
>
> Many of the tests fail in a similar way: some of the elements of the
> image are just missing.

Looks like lines, in particular, are missing.  I don't see any recent 
changes to swrast/osmesa that would seem to cause this.

I think there's two approaches to narrowing this down:

1. You do a git-bisect of mesa to find the regression
2. Make an apitrace of the failing test so I can investigate.

Thanks.

-Brian


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