On Thursday, August 4, 2016 11:28:28 AM PDT Jason Ekstrand wrote:
> > > - No cut index (GS is supposed to be fine and Tess looks OK too)
> >
> > I'd be OK with dropping GS and Tess support for rectangles.
> 
> I don't know that we need to but the docs say cut index doesn't work.

Perhaps we should throw a GL error when using rectangles if primitive
restart (i.e. cut index) is enabled.

I could potentially see GS being useful - maybe someone would want
to do layered rendering with rectangles, and generate rectangles
for each?  Tessellation on rectangles seems pretty nonsensical.

Thanks so much for doing this, Marek.  We really need to define a
common extension all three vendors can use, and then add support
for it in Glamor.  Then we'll have horizontal tearing instead
of awful diagonal tearing...

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