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 <[email protected]> wrote: > On Thu, Mar 5, 2015 at 3:22 PM, Laura Ekstrand <[email protected]> > 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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