On Friday, January 11, 2019 9:32:20 AM PST Eric Anholt wrote:
> Jason Ekstrand <ja...@jlekstrand.net> writes:
> 
> > On Fri, Jan 11, 2019 at 11:11 AM Kenneth Graunke <kenn...@whitecape.org>
> > wrote:
> >
> >> On Friday, January 11, 2019 8:33:41 AM PST Jason Ekstrand wrote:
> >> > On Fri, Jan 11, 2019 at 10:19 AM Kenneth Graunke wrote:
> >> > > Those names (nir_var_func_local, nir_var_thread_local, and
> >> > > nir_var_thread_global) make more sense to me than private/function.
> >> > >
> >> > > Another option is `nir_var_local_temp` and `nir_var_shader_temp`,
> >> > > indicating that they're just temporary variables, and not anything
> >> > > with special semantics like memory.  shader_temp would pair well with
> >> > > the existing shader_in/shader_out, since they have the same scope.
> >> > >
> >> > > I might also consider adding 'mem' to variables representing memory.
> >> > >
> >> > > So that would look like...
> >> > >
> >> > >    nir_var_shader_in
> >> > >    nir_var_shader_out
> >> > >    nir_var_shader_temp  (formerly local/function)
> >> > >    nir_var_local_temp   (formerly global/private)
> >> > >
> >> >
> >> > Are those flipped?
> >>
> >> Gah!  Sorry.  Yes.
> >>
> >>    nir_var_shader_in
> >>    nir_var_shader_out
> >>    nir_var_shader_temp  (formerly global/private)
> >>    nir_var_local_temp   (formerly local/function)
> >>    nir_var_uniform
> >>    nir_var_system_value
> >>    nir_var_mem_ubo      (added mem)
> >>    nir_var_mem_ssbo     (added mem)
> >>    nir_var_mem_shared   (added mem)
> >>    nir_var_mem_global   (the new global memory type being introduced)
> >>
> >
> > I can work with that.  I do think I'd mildly prefer function_temp over
> > local_temp but I think the adding of _temp is an improvement.
> 
> I like the _temp suggestion a lot!  And I think I'm also mildly in favor
> of function_temp.
> 
> (Also, thanks to taking naming seriously, to everyone involved here.
> It's hard.)

Yep, it's not easy.  Karol, sorry for being grumpy the other day, it
wasn't a very constructive email on my part.  I agree that the names
should change, for all the reasons you suggested.

I'm fine with nir_var_function_temp / nir_var_func_temp if people
prefer that to local_temp.  Closer to Karol's original suggestion,
but I think "temp" clarifies it a bit.  shader_in is an input in the
shader, function_temp is a temp in a function.

Sound good?  Should I do the sed-job and send patches?

--Ken

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