[Mesa-dev] WebGL test suite, and whitelisting drivers / OpenGL implementations in Firefox

Brian Paul brian.e.paul at gmail.com
Wed Jan 19 09:37:30 PST 2011

On Wed, Jan 19, 2011 at 10:18 AM, Benoit Jacob <bjacob at mozilla.com> wrote:
> ----- Original Message -----
>> It looks like a number of failures are happening because WebGL is
>> assuming GL_ARB_ES2_compatibility support in the OpenGL driver when
>> the extension isn't actually present. Mesa generates an error and the
>> test fails.
> Thanks a lot! That also seems to explain failures I'm having on various platforms, and couldn't figure out.
> We don't want to require GL_ARB_ES2_compatibility. So i'll try to see how I can emulate this functionality on desktop OpenGL.

In your debug build, it would be good to check glGetError() after
every glGet*() call to make sure that the query was valid.  It's easy
to miss things like this.


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