CUDA/C++ Rasterizer updates to handle clipped faces

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Summary:
- Updated the C++/CUDA mesh rasterization kernels to handle the clipped faces. In particular this required careful handling of the distance calculation for faces which are cut into a quadrilateral by the image plane and then split into two sub triangles i.e. both sub triangles can't be part of the top K faces.
- Updated `rasterize_meshes.py` to use the utils functions to clip the meshes and convert the fragments back to in terms of the unclipped mesh
- Added end to end tests

Reviewed By: jcjohnson

Differential Revision: D26169685

fbshipit-source-id: d64cd0d656109b965f44a35c301b7c81f451cfa0

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This commit is contained in:

Nikhila Ravi

2021-02-08 14:30:55 -08:00

committed by Facebook GitHub Bot

parent 838b73d3b6

commit 340662e98e

12 changed files with 733 additions and 46 deletions

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