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Justin Johnson authored
Summary: When rendering meshes with Phong shading, interpolate_face_attributes was taking up a nontrivial fraction of the overall shading time. This diff replaces our Python implementation of this function with a CUDA implementation. Reviewed By: nikhilaravi Differential Revision: D21610763 fbshipit-source-id: 2bb362a28f698541812aeab539047264b125ebb8
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