[Bf-committers] Luminance patches

[Antony Riakiotakis]

Hi Thomas, agreed, I am also of the same opinion. It will hurt old
files slightly but better now than never.

On 17 February 2015 at 20:21, Thomas Beck <software at plasmasolutions.de> wrote:
> Hi Antony,
>
> I'm for "fix it properly by breaking old files slightly". I (the artists
> around me agree) prefer to let old files break (in terms of color
> correction) when we get a working color pipeline with correct formulas in
> exchange for it. I would really not like to see a wrong behavior carried on
> endless times just to be compatible to infinity and beyond ;) .
>
> Greetings, Thomas
>
> Plasmasolutions
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>
> 2015-02-17 19:42 GMT+01:00 Antony Riakiotakis <kalast at gmail.com>:
>
>> Hi,
>>
>> We have quite a few functions to select luminance in our code.
>>
>> Recently there were two patches to cleanup things.
>>
>> https://developer.blender.org/D1082
>>
>> https://developer.blender.org/D517
>>
>> Seeing how developers still use any of the two in the code and how
>> there's really one correct formula for this it might be good to make
>> some decision about this.
>>
>> Choises are - either we change this and break old files slightly or we
>> keep it and we have wrong histograms, tools and compatibility with
>> color management pipeline.
>>
>> I am curious about what coders and artists think about the change
>> since it will influence both.
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