[Bf-committers] Gooseberry and UHD Rec.2020

Troy Sobotka troy.sobotka at gmail.com
Tue Apr 1 20:49:31 CEST 2014

On Mar 23, 2014 3:12 AM, "Ton Roosendaal" <ton at blender.org> wrote:

> If something is broken it should just be fixed. Is this a report or issue
in our tracker? Is there a clear agreement on how to fix things?

I believe Antony is aware of the issue, and has a decent enough handle on
how deep down the rabbit hole it goes. If desired, this can be added to the

> Or do you think this is many months of development time - and therefore a
mid/long term topic to solve via the film project?

I believe the color wheel is a relatively shorter term fix. Of course,
there are some legacy code paths that likely would require deeper

The color picker needs would be:

A) Use an artist defined transform for transfer / tone curve properties.
Following Katana and the like, this accounts for the perceptual selection
needs (log or such versus a linearized data model).

B) Hook the picker color display into the pipeline to account for different
primaries. This permits wide gamut and alternate outputs to properly
display sRGB, as well as properly correct sRGB outputs.

Currently the picker dumps raw minimum to maximum values, and therefore it
always displays the color primaries of whatever the output device is.

With respect,

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