[Mesa-dev] mesa commit 183c6060 regresses VTK LIC tests

[Ilia Mirkin]

On Fri, Dec 18, 2015 at 11:32 AM, Brad King <brad.king at kitware.com> wrote:
> Hi Folks,
>
> I run nightly testing of VTK with nightly 'master' of mesa.
> For the last few days some tests have been failing.  According to
> `git bisect`, mesa commit 183c606066b1b260acb189e46a40cb71e63b44aa
> (glsl: simplify interface matching, 2015-12-02) introduced the
> regression.

Adding Timothy Arceri, the commit author.

>
> For example, see the SurfaceLICCurvedDefaultsColor test failure:
>
>  https://open.cdash.org/testDetails.php?test=402737867&build=4150508
>
> Prior to this change the test renders what we expect.  After the
> change the test renders *nothing* on top of the background.  See
> attached before and after images (one converted .jpg to reduce
> size).
>
> Please let me know what more information is needed to fix this.
> I can provide a test binary or try patches if needed.

A short apitrace that reproduces the issue is definitely what I tend
to prefer for debugging. (https://github.com/apitrace/apitrace)

You might also file an issue at bugs.freedesktop.org Mesa -> Mesa
core, which should help us keep track of this, esp with everyone gone
or going on vacation.

Cheers,

  -ilia