Here's my stab at describing this feature and how I would imagine it should be
implemented, in enough detail that anybody could reasonably pick it up and try
to make a PR: https://github.com/OpenImageIO/oiio/issues/2744
Please feel free to add thoughts, comments, etc. to that ticket, as well as to
volunteer if anybody wants to tackle it.
-- lg
> On Oct 16, 2020, at 11:49 PM, Larry Gritz <[email protected]> wrote:
>
> Hmmm, that'll teach me to make pronouncements about what "nobody asked"
> means. :-)
>
> I think I will open an issue for this, and I'll try to describe all the steps
> that would need to be performed to fully implement it, and then mark it as
> "help wanted." I don't have time to do it myself right now, but hopefully
> with those breadcrumbs, anybody inclined to try will know exactly what to do.
>
>
>> On Oct 16, 2020, at 1:27 AM, John Haddon <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>> On Fri, 16 Oct 2020 at 08:27, Larry Gritz <[email protected]
>> <mailto:[email protected]>> wrote:
>> Like I said, the lack of requests for this over the years is strong
>> circumstantial evidence that it's not an important enough case to enough
>> people to justify the work or the extra API complexity, though if lots of
>> people chime in that they have wanted this, I could be convinced.
>>
>> This is definitely something we would use in Gaffer, as we're currently
>> doing the rescrambling for all IO. But right now I don't have any solid
>> numbers for how much overhead that represents, so would need to do some
>> profiling before I could say it justified the effort. My suspicion is we'd
>> need to optimise other aspects of the processing pipeline before it became
>> particularly beneficial.
>>
>> On a more general note, not aimed at OIIO in particular, my experience is
>> that "nobody asked" isn't necessarily a good indication that all is well.
>> I'm regularly astounded at the ingenious contortions folks will go through
>> as a workaround before asking for something.
>>
>> Cheers...
>> John
>
>
--
Larry Gritz
[email protected]
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