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Help shape the future of glTF: 2019 ecosystem forum #1667

pjcozzi opened this issue Aug 26, 2019 · 0 comments


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commented Aug 26, 2019

Hello glTF community!

Last month at the glTF Ecosystem Forum at SIGGRAPH in Los Angeles, we had 77 attendees from the games, retail, geospatial, automotive, AEC and VFX domains – and the input and guidance we received will help us set the course for glTF for the next 12 months. This GitHub issue is to share our key takeaways with the entire community.

  1. We see there is a path to adding implicit and subdivision surfaces, but in a way that retains glTF’s core mission – to be an efficient transmission and runtime format. Used wisely, subdivision can reduce asset sizes in a way that scales to platform capabilities as well as making glTF more capable. We agree that we do NOT want glTF to become distracted or overloaded by becoming an authoring interchange format.

  2. There’s huge interest in Binomial’s Basis Universal texture compression and we are working on the finishing touches to bring that to glTF just as soon as we can. There was also universal consensus in glTF’s approach to use KTX2 as a flexible and precisely defined container format for textures compressed with Basis Universal technology.

  3. Multiple industries are primed for next-generation PBR materials in glTF. We saw a consensus that a fixed parameter approach will get us to the next level, a material graph may follow longer term. We now have the direction and expertise in the working group to get this defined in a way that we hope will help bring the industry together.

  4. The retail industry presents a huge opportunity for glTF and 3D on the web. PBR Next and consistency of deployment across runtime engines are the key success factors here. We look forward to working closely with our new sister 3D Commerce working group to get the use cases and requirements in place and glTF being a part of the larger 3D commerce solution.

There was a lot we didn’t get to at this forum: the USD to glTF authoring tool chain, composability, advanced metadata, instancing, CAD/BIM model support, encryption and security, enhanced mesh compression, streaming of large geospatial models were all topics we would have loved to have to have discussed more in person – but the dialog doesn’t have to stop.

Please comment in this GitHub issue to give us your further input and feedback on the forum topics – and of course any and all companies that wish to participate in the working Groups are warmly invited to join Khronos.

For additional information see:

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