[Mesa-dev] Down to 1 single WebGL 1.0.1 test failure with Intel driver

[Paul Berry]

On 1 August 2012 12:10, Benoit Jacob <bjacob at mozilla.com> wrote:

>
>
> ----- Original Message -----
> > On 08/01/2012 11:23 AM, Benoit Jacob wrote:
> > > Hi,
> > >
> > > We're now at the finish line of passing WebGL 1.0.1 test on real
> > > drivers.
> > >
> > > We landed a work-around for the glLinkProgram issue, as it was
> > > happening on many drivers across many OSes.
> > >
> > > Now the very last conformance failure on the Intel driver / Mesa
> > > 8.0.2 is the one in this test page,
> > >
> > >
> https://www.khronos.org/registry/webgl/conformance-suites/1.0.1/conformance/context/context-attributes-alpha-depth-stencil-antialias.html
> > >
> > >  Which is caused by the Intel driver lying about GL_MAX_SAMPLES, as
> > > explained by Eric in the "WebGL WG interested in 1.0.1 conformance
> > > test results on real drivers" thread on this list:
> >
> > That test passes with Mesa master.  Paul Berry implemented MSAA
> > support.
>
> Wonderful!
>
> What version check should I perform? Version x.y.z >= 8.1.0 ?
>

Yes.  For Intel drivers, GL_MAX_SAMPLES will be trustworthy in version
8.1.0 and beyond.

Disclaimer: I don't know if any of the other back-ends followed our lead
and lied about GL_MAX_SAMPLES--I hope not.  But someone more knowledgeable
about Radeon/Nouveau/LLVMPipe might want to chime in about that :)


>
> Benoit
>
> >
> > --Ken
> >
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/mesa-dev/attachments/20120801/32be6778/attachment.html>