adapt to refactoring in core USD of registry handling of prim specs versus prim definitions #738
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…ange where we will replace the prim spec in SchemaAdaptor with a pointer to a UsdPrimDefinition. 1. Moving more of the code in GetSchemaByName() and ApplySchemaName() into the version separated #ifdef blocks so that it can be changed in vesion > 2002 block only. 2. SchemaAdaptor will also store the schema name token as that will not be able to be retrieved directly from a UsdPrimDefinition. 3. _GetMayaAttrNameOrAlias() takes a name instead of an attribute spec. 4. Added a static accessor, _GetAttributeSpec(), to reduce the number of places that will require USD version #ifdefs when the SchemaAdaptor is able to hold a UsdPrimDefinition. (Internal change: 2092234)
…ptor This involves converting the SchemaAdaptor to store a UsdPrimDefinition pointer instead of an SdfPrimSpecHandle while maintaining backwards compatibility with older versions of USD that don't have UsdPrimDefinition. GetSchemaPrimSpec() was removed in core USD commit PixarAnimationStudios/OpenUSD@0e3171a (Internal change: 2092250)
This identifies core USD commit 5d1771d (post 20.08 release) as the most recent supported version of USD: PixarAnimationStudios/OpenUSD@5d1771d
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kxl-adsk
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Aug 27, 2020
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These changes were made by the core USD team to allow some refactoring in the schema registry. They make use of API added in core USD version 20.05 so older APIs can be removed for later versions of USD. Support for older versions of USD is maintained as well.
The changes here are required to build against core USD at commit PixarAnimationStudios/OpenUSD@0e3171a or later.