post-release v0.1.1 updates.

Reviewed By: nikhilaravi

Differential Revision: D20218481

fbshipit-source-id: b153282cc30ad75de970c89ae64526b6be62ee95

Author: bottler

INSTALL.md

@@ -45,10 +45,10 @@ pip install scikit-image matplotlib imageio
 pip install black isort flake8 flake8-bugbear flake8-comprehensions
 ```
 
-## Build/Install Pytorch3d
+## Installing prebuilt binaries for Pytorch3d
 After installing the above dependencies, run one of the following commands:
 
-### 1. Install from Anaconda Cloud
+### 1. Install with CUDA support from Anaconda Cloud, on Linux only
 
 ```
 # Anaconda Cloud
@@ -60,14 +60,26 @@ Or, to install a nightly (non-official, alpha) build:
 # Anaconda Cloud
 conda install pytorch3d -c pytorch3d-nightly
 ```
+### 2. Install without CUDA support from PyPI, on Linux and Mac
+```
+pip install pytorch3d
+```
+
+## Building / installing from source.
+CUDA support will be included if CUDA is enabled or if the environment variable
+`FORCE_CUDA` is set to `1`.
 
-### 2. Install from GitHub
+### 1. Install from GitHub
 ```
 pip install 'git+https://github.com/facebookresearch/pytorch3d.git'
-# (add --user if you don't have permission)
 ```
 
-### 3. Install from a local clone
+**Install from Github on macOS:**
+```
+MACOSX_DEPLOYMENT_TARGET=10.14 CC=clang CXX=clang++ pip install 'git+https://github.com/facebookresearch/pytorch3d.git'
+```
+
+### 2. Install from a local clone
 ```
 git clone https://github.com/facebookresearch/pytorch3d.git
 cd pytorch3d && pip install -e .

pytorch3d/renderer/mesh/renderer.py

@@ -38,13 +38,15 @@ def __init__(self, rasterizer, shader):
 
     def forward(self, meshes_world, **kwargs) -> torch.Tensor:
         """
-        Render a batch of images from a batch of meshes by rasterizing and then shading.
+        Render a batch of images from a batch of meshes by rasterizing and then
+        shading.
 
-        NOTE: If the blur radius for rasterization is > 0.0, some pixels can have one or
-        more barycentric coordinates lying outside the range [0, 1]. For a pixel with
-        out of bounds barycentric coordinates with respect to a face f, clipping is required
-        before interpolating the texture uv coordinates and z buffer so that the colors and
-        depths are limited to the range for the corresponding face.
+        NOTE: If the blur radius for rasterization is > 0.0, some pixels can
+        have one or more barycentric coordinates lying outside the range [0, 1].
+        For a pixel with out of bounds barycentric coordinates with respect to a
+        face f, clipping is required before interpolating the texture uv
+        coordinates and z buffer so that the colors and depths are limited to
+        the range for the corresponding face.
         """
         fragments = self.rasterizer(meshes_world, **kwargs)
         raster_settings = kwargs.get(