With the version cutoff fixed, this and the patch it builds on are
(squashed together or not):

Reviewed-by: Chris Forbes <[email protected]>

On Fri, May 13, 2016 at 4:58 PM, Ilia Mirkin <[email protected]> wrote:

> On Fri, May 13, 2016 at 12:51 AM, Dave Airlie <[email protected]> wrote:
> >>> second argument is for ES... 0 means "never").
> >>
> >> I see.  (You can tell how much of this sort of code I've written...).
> >>
> >> I don't know that I'd trust me but it looks fine as far add I can see.
> >> Thanks for taking care of 4.50 while you were in the neighborhood.  For
> what
> >> it's worth,
> >
> > Do we know if the addition of swizzles and just correcting an oversight?
> >
> > Should we just enable it unconditionally.
>
> Good question.
>
> Looks like the cut-off is actually 4.40, not 4.50 (oops). I don't see
> it explicitly listed in changes of the 4.40 spec.
>
> In 4.30: "For all of the interpolation functions, interpolant must be
> an input variable or an element of an input
> variable declared as an array. Component selection operators (e.g.,
> .xy) may not be used when specifying
> interpolant."
>
> In 4.40: "For all of the interpolation functions, interpolant must be
> an input variable or an element of an input
> variable declared as an array. Component selection operators (e.g.,
> .xy) may be used when specifying
> interpolant."
>
> I'd say it's pretty clear that it's not allowed in 4.30 and allowed in
> 4.40. I'm going to fix the version cut-off locally, but if you want me
> to enable it everywhere, let me know.
>
>   -ilia
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