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fix _num_faces_per_mesh in join_batch

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Summary: As reported in https://github.com/facebookresearch/pytorch3d/pull/1100, _num_faces_per_mesh was changing in the source mesh in join_batch. This affects both TexturesUV and TexturesAtlas

Reviewed By: nikhilaravi

Differential Revision: D34643675

fbshipit-source-id: d67bdaca7278f18a76cfb15ba59d0ea85575bd36
This commit is contained in:
Jeremy Reizenstein
2022-03-08 23:54:37 -08:00
committed by Facebook GitHub Bot
parent 16d0aa82c1
commit 4a1f176054
2 changed files with 12 additions and 2 deletions
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4
pytorch3d/renderer/mesh/textures.py
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@@ -569,7 +569,7 @@ class TexturesAtlas(TexturesBase):
atlas_list = []
atlas_list += self.atlas_list()
num_faces_per_mesh = self._num_faces_per_mesh
num_faces_per_mesh = self._num_faces_per_mesh.copy()
for tex in textures:
atlas_list += tex.atlas_list()
num_faces_per_mesh += tex._num_faces_per_mesh
@@ -1073,7 +1073,7 @@ class TexturesUV(TexturesBase):
faces_uvs_list += self.faces_uvs_list()
verts_uvs_list += self.verts_uvs_list()
maps_list += self.maps_list()
num_faces_per_mesh = self._num_faces_per_mesh
num_faces_per_mesh = self._num_faces_per_mesh.copy()
for tex in textures:
verts_uvs_list += tex.verts_uvs_list()
faces_uvs_list += tex.faces_uvs_list()