2025-06-23 TSC Meeting

Date

Jun 23, 2025

Participants

Doug Walker (TSC Chief Architect) - Autodesk
Kevin Wheatley (TSC) - Framestore
Remi Achard (TSC) - DNEG
Michael Dolan (TSC) - Epic
Scott Dyer - Academy

Apologies:

Carol Payne (TSC Chair) - Apple
Mark Titchener (TSC) - Foundry
Zach Lewis (TSC)
Thomas Mansencal (TSC) - Epic Games
Sean Cooper (TSC) - Skydance

Discussion topics

Item	Notes

Item	Notes
Siggraph BoF	Kevin: I plan to attend in person, what is the agenda? Doug: Let’s wait for Carol and discuss that at the next TSC. We only have an hour and it will be a very packed agenda.
Color Interop Forum recap	Doug: We have an initial rough draft recommendation to standardize display color spaces. It is awaiting review and contributions. Looking for help adding additional graphics APIs. https://docs.google.com/document/d/1MmBG4a3Dr6S6EO781WjK-xZW7QdHpuo-zd7wtMvG1Rs/edit?usp=sharing Kevin: How do we decide which APIs to include. Should we add the QT enums? Doug: We will have to decide case-by-case, but I think QT is worth including.
Planning for OCIO 2.5 built-in configs	Doug: I created a Milestone on GitHub for us to plan out what we want to include in the next configs release. https://github.com/AcademySoftwareFoundation/OpenColorIO-Config-ACES/milestone/2 Remi: We should add an item to expand the File Rules. Doug: Good idea, I will add one. Michael: Regarding the change of negative handling, that should be added to the BoF discussion. Doug: I don’t think we need to add the ICC Profile name at this point, so I didn’t add one for that. Kevin: Agreed. Doug: I’m sure there will be other items to add, please review and add items you feel are important.
Interop ID PR needs review	Doug: We’ve implemented what we agreed at the last TSC meeting about adding a namespace to the interop ID. The PR is awaiting review. https://github.com/AcademySoftwareFoundation/OpenColorIO/pull/2165
Color space menu handling for MaterialX and OpenUSD	Doug: In the NanoColor group I proposed how color space menus would work in OCIO apps that read/write MaterialX and OpenUSD. The ‘texture’ category will be used to filter the menus (since MtlX and USD don’t support all OCIO color spaces). When reading files, the color space string will be passed to getCanonicalName to get the name to show in the UI. When writing files, the UI name will be used to get the interop ID or to search the aliases for a known MtlX/USD color space. Michael: It would be helpful to have an OCIO API for the part to convert the canonical name to the file format string. Doug: Agreed, I will add an Issue for that on the repo.
Agenda for working session on July 30	Doug: Does anyone have suggestions for the working session next Monday? Group: No. Doug: I’ll check with Carol and we will communicate the plan on Slack.