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

[Ilia Mirkin]

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
>
>