Ulrich Pegelow <[email protected]> writes:
> Am 21.06.2017 um 18:03 schrieb Dan Torop:
>>>
>>> I'd say that is well withing the time frame – provided it's not too
>>> invasive.
>>>
>>
>> That is great. Should be a tweak to the Bayer downscale code (making
>> start/endpoints of sample right), bringing that work to X-Trans, and then
>> SSE variants.
>>
>
> Please consider that changes in that place also will require changes to
> the equivalent OpenCL code which might be anything but trivial.
Oh no! I was thinking of the dt_iop_clip_and_zoom_demosaic_{half,third}_*()
functions in imageop_math.c. Those don't have OpenCL implementations, though?
Certainly getting into revising OpenCL code would be a way more invasive effort.
I also remember now that I wanted to look into whether taking advantage of box
filters being separable would speed up the code. But that would involve
allocating a bit of memory so might also be something about which to be
conservative.
>
> Ulrich
[...]
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