[Mesa-dev] [PATCH] mesa: Enable EXT_compressed_ETC1_RGB8_sub_texture

[Jason Ekstrand]

On Fri, Jan 20, 2017 at 10:26 AM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:

> On Fri, Jan 20, 2017 at 1:25 PM, Jason Ekstrand <jason at jlekstrand.net>
> wrote:
> > On Fri, Jan 20, 2017 at 10:16 AM, Ilia Mirkin <imirkin at alum.mit.edu>
> wrote:
> >>
> >> What level of support would a driver need to provide? Can this just be
> >> enabled for all drivers? [This seems like largely a driver-side
> >> feature rather than hardware-based.]
> >
> >
> > My understanding is that we should just expose this extension on all
> > hardware that supports ETC1.  Obviously, if it doesn't support ETC1, you
> > don't get this extension. :-)
>
> Isn't ETC1 required for ES1 and ES2? If not, ignore me.


I just looked at the specs.  It's required starting with ES 3.0.
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