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

Benoit Jacob bjacob at mozilla.com
Wed Aug 1 12:18:41 PDT 2012


----- Original Message -----

> 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.

Many thanks, that's what I needed to know. 
https://bugzilla.mozilla.org/show_bug.cgi?id=779580 

> 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 :)

I am definitely interested in the status of other drivers as well. 

Benoit 

> > 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/20120801/16039f69/attachment.html>


More information about the mesa-dev mailing list