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Fix batching bug from TexturesUV packed ambiguity, other textures tidyup

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Summary:
faces_uvs_packed and verts_uvs_packed were only used in one place and the definition of the former was ambiguous. This meant that the wrong coordinates could be used for meshes other than the first in the batch. I have therefore removed both functions and build their common result inline. Added a test that a simple batch of two meshes is rendered consistently with the rendering of each alone. This test would have failed before.

I hope this fixes https://github.com/facebookresearch/pytorch3d/issues/283.

Some other small improvements to the textures code.

Reviewed By: nikhilaravi

Differential Revision: D23161936

fbshipit-source-id: f99b560a46f6b30262e07028b049812bc04350a7
This commit is contained in:
Jeremy Reizenstein
2020-08-21 05:52:13 -07:00
committed by Facebook GitHub Bot
parent 9aaba0483c
commit 9a50cf800e
7 changed files with 106 additions and 65 deletions
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4
pytorch3d/csrc/utils/pytorch3d_cutils.h
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@@ -3,9 +3,9 @@
#pragma once
#include <torch/extension.h>
#define CHECK_CUDA(x) TORCH_CHECK(x.is_cuda(), #x "must be a CUDA tensor.")
#define CHECK_CUDA(x) TORCH_CHECK(x.is_cuda(), #x " must be a CUDA tensor.")
#define CHECK_CONTIGUOUS(x) \
TORCH_CHECK(x.is_contiguous(), #x "must be contiguous.")
TORCH_CHECK(x.is_contiguous(), #x " must be contiguous.")
#define CHECK_CONTIGUOUS_CUDA(x) \
CHECK_CUDA(x); \
CHECK_CONTIGUOUS(x)