[Piglit] [PATCH] main: Test for CreateBuffers.

[Laura Ekstrand]

It sounds like I'm not the person to make this decision.

On Thu, Mar 5, 2015 at 1:17 PM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:

> You're going to be in a world of hurt if you don't :)
>
> On Thu, Mar 5, 2015 at 4:17 PM, Laura Ekstrand <laura at jlekstrand.net>
> wrote:
> > I guess the question is then, "Do we want DSA to work on hardware without
> > Geometry Shaders?"
> >
> > On Thu, Mar 5, 2015 at 12:26 PM, Ilia Mirkin <imirkin at alum.mit.edu>
> wrote:
> >>
> >> On Thu, Mar 5, 2015 at 3:22 PM, Laura Ekstrand <laura at jlekstrand.net>
> >> wrote:
> >> > Oddly enough, there is no "core context" for 3.1.  It's not a thing.
> 31
> >> > is
> >> > strange like that.  Core contexts start at 3.2.  The reason why your
> >> > tests
> >> > work with core_compat = 31 is because Piglit jumps through some hoops,
> >> > often
> >> > promoting the user automatically to 32 or above behind the scenes.  If
> >> > we
> >> > are going to only test on core contexts, then we should probably start
> >> > at 32
> >> > since 31 is such a strange beast.
> >>
> >> With mesa, a driver that only supports GL 3.1 will still be recognized
> >> as a core context. It has to jump through hoops on, say, NVIDIA
> >> though, since that returns a context that has ARB_compatibility
> >> exposed and so it goes back and requests a GL3.2 core context. At
> >> least one piece of hardware I semi-care about (Adreno A3XX) will
> >> likely have GL 3.1, but never get GL 3.2 due to lack of GS.
> >>
> >>   -ilia
> >
> >
>
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