Support fieldIndex in VDBs#2394
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sebastienblor merged 8 commits intoAutodesk:masterfrom Jan 12, 2026
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…utodesk#2316) Translator is still WIP (cherry picked from commit bb77b6e) (cherry picked from commit 9adaa59)
(cherry picked from commit 842eca8)
cpichard
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Jan 7, 2026
| ) | ||
| { | ||
| custom rel field:density = </adsktest/testdata/density> | ||
| rel material:binding = </mtl/material> |
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When I run the usd checker I got:
Found material bindings but no MaterialBindingAPI applied on the prim </adsktest/testdata>
cpichard
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There is no changelog entry, do we want one ?
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Jan 19, 2026
* Fixed in render delegate by using SOPgetVDBVolumePrimitiveWithIndex (#2316) Translator is still WIP (cherry picked from commit bb77b6e) (cherry picked from commit 9adaa59) * Fix typo in previous commit (cherry picked from commit 842eca8) * Support fieldIndex in vdb translation #2315 * Always set the fieldIndex in vdb volumes * Add changelog * Fix warnings and test 2239 --------- Co-authored-by: Tom Minor <5022079+TomMinor@users.noreply.github.com> (cherry picked from commit 78f7282)
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Changes proposed in this pull request
This PR includes the changes previously pushed in #2316 that were reverted. It also includes a support of fieldIndex in regular vdb translation, both in usd and hydra. It also adds a test_2315 with that use case.
It's marked as a draft as I still don't have something satisfying, at the moment I'm only supporting the field index if it is > 0 which is not really the intended behaviour. Problem is that the default value of fieldIndex is 0, so if we always take it into account it would end up changing the code path for all vdb renders, in a way that would break existing scenes.
Issues fixed in this pull request
Fixes #2315