Video Conference Link
Attendance
- Cory Omand - WG Chair, Pixar/TWDS
- Alan Blevins, Dreamworks
- Alex Schwank, Apple
- Aloys Baillet, Animal Logic
- Andy Biar, Warner Bros.
- Anandhaiyappan, Botvfx
- Arash Keissami, Nira.app
- Ben Chung-Hoon, Google
- Bill Spitzak, Dreamworks Animation
- Brian Green, Dreamworks
- Carson Brownlee, Intel
- Charles Fleche, Rodeo FX
- Chris Rydalch, Blue Sky Studios
- Daniel Heckenberg, Animal Logic
- David Aguilar, Walt Disney Animation
- Deke Kincaid, Digital Domain
- Dhruv Govil, Apple
- Doug MacMillan, Tippett Studio
- Eoin Murphy, NVidia
- Eric Enderton, NVidia
- Fabrice Macagno, Animal Logic
- Francois Lord, Rodeo FX
- Gary Jones, Foundry
- Gordon Bradley, Autodesk
- Greg Wuller, AWS
- Henry Vera, DNEG
- James Pedlingham, Foundry
- Jeff Bradley, Dreamworks
- John Hood, SPI
- John Mertic, Linux Foundation
- Jordan Soles, Rodeo FX
- JT Nelson, Pasadena Open Source Consortium/SoCal Blender group
- Kimball Thurston, Weta
- Larry Gritz, SPI
- Lee Kerley, SPI
- Luca Scheller, RiseFX
- Mark Elendt, SideFX
- Mark Final, Foundry
- Mark Tucker, SideFX
- Mathieu Mazerolle, Foundry
- Matthew Levine, WDAS
- Matthew Low, DWA
- Michael B. Johnson, Apple
- Michael Kass, NVidia
- Michael Min, Netflix
- Niall Redmond, Foundry
- Nick Porcino, Pixar
- Nicolas Montmarquette, Autodesk
- Philippe Sawicki, Autodesk
- Pier Paolo Ciarravano, MPC
- Richard Lei, Weta
- Robin Rowe, CinePaint
- Roman Zulak, SPI
- Rory Woodford, Foundry
- Sean Looper, AWS
- Sean McDuffee, Intel
- Serguei Kalentchouk, Apple
- Shawn Dunn, Epic Games
- Sue Sauer, Sunrise Productions
Minutes
- Action item follow-up (0:05-0:10)
- Wiki content review (Cory O.)
- Charter language changes (Cory O.)
- No language changes necessary at this time, would be nice to do so for clarification, but this should not gate adding topics to the agenda.
- Scheduling for WG self-organized standards (Cory O.)
- Still need to add a page in the wiki for this, but in the mean time, please contact Cory if you have a topic you'd like to add.
- Discussion: VFX platform/USD alignment (0:10-0:50)
- Chief issue seems to be ABI stability
- Bridge products are the best approach currently for vendors, but having ABI stability in USD, especially around schemas and other plugin points, would be better.
- Would it be possible to have ABI stability around extension points, like schemas, file format plugins, other plugin points?
- Discussion of a possible externally-developed "universal bridge" for portions of the USD interface that are important to implementors.
- NVidia has a solution for this in their Omniverse product. Would be nice to get input from the USD team about this topic.
- Plugins are versioned and have a stable interface.
- Best way to proceed may be to write a white-paper/proposal about how such a shim might operate, which could then be iterated on by vendors/studios/implementors.
- Could start as a wiki page in the USDWG space to allow interested parties to collaborate on what such a shim might look like.
- Inclusion of a minimum version of USD in the VFX platform standard would help vendors choose a version to ship with, but without ABI stability it's not possible to swap in a new version unless a bridge exists for that product that allows recompilation against a newer version of USD.
- KimballT: Weta has a potential pull request for USD to support setting the SONAME to allow different versions of USD in-memory at once.
- Closing/Action Items (0:50-0:55)
- Further discussion about the "universal bridge" approach.
Parking Lot
- USD Superbuilds (Carson B.)
Reference
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