HYDRA-2414 : Fix external camera resolution for two-segment UFE paths - #474
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debloip-adsk merged 2 commits intoJul 30, 2026
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Looks good, thanks for the fix and the test! Code seems a bit intricate, have a look at my suggestions.
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Batch rendering with a USD camera in a Maya USD proxy shape (e.g. -cam "|stage1|stageShape1,/camera1") crashes with HdArnold. Single-segment Maya paths like -cam "|camera1" work.
Previously, mhExternalCameraOverrideSceneIndex -> mhExternalCameraResolvingSceneIndex converted the UFE path into one SdfPath, dropping the , segment boundary. On decode, the path became a single Maya segment instead of Maya + USD.
The fix now handles 2-segment UFE paths like "|stage1|stageShape1,/camera1" by inserting the sentinel string
__ufeSegment__during encoding:Then later in the resolving phase, the SdfPath is converted to Ufe path segment.