Summary:
Use PyTorch3D's new faster sample_pdf function instead of local Python implementation.
Also clarify deps for the Python implementation.
Reviewed By: gkioxari
Differential Revision: D30512109
fbshipit-source-id: 84cfdc00313fada37a6b29837de96f6a4646434f
Summary: Implement the sample_pdf function from the NeRF project as compiled operators.. The binary search (in searchsorted) is replaced with a low tech linear search, but this is not a problem for the envisaged numbers of bins.
Reviewed By: gkioxari
Differential Revision: D26312535
fbshipit-source-id: df1c3119cd63d944380ed1b2657b6ad81d743e49
Summary: Copy the sample_pdf operation from the NeRF project in to PyTorch3D, in preparation for optimizing it.
Reviewed By: gkioxari
Differential Revision: D27117930
fbshipit-source-id: 20286b007f589a4c4d53ed818c4bc5f2abd22833
