Enable back face culling in dm_control.viewer.

The viewer has its own set of default renderer flags, and when the `mjRND_CULL_FACE` flag was introduced in MuJoCo (google-deepmind/mujoco@396fdf0) the viewer's default was not updated.

Fixes #346.

PiperOrigin-RevId: 472753294
Change-Id: I33e6f48ff1ea887d07765ae851651f6c106cb08b

Author: saran-t

dm_control/mujoco/tutorial.ipynb

@@ -77,7 +77,7 @@
         "      'Go to the Runtime menu and select Choose runtime type.')\n",
         "\n",
         "print('Installing dm_control...')\n",
-        "!pip install -q dm_control\u003e=1.0.6\n",
+        "!pip install -q dm_control\u003e=1.0.7\n",
         "\n",
         "# Configure dm_control to use the EGL rendering backend (requires GPU)\n",
         "%env MUJOCO_GL=egl\n",

dm_control/viewer/renderer.py

@@ -42,6 +42,7 @@
 _DEFAULT_RENDER_FLAGS[mujoco.mjtRndFlag.mjRND_SHADOW.value] = 1
 _DEFAULT_RENDER_FLAGS[mujoco.mjtRndFlag.mjRND_REFLECTION.value] = 1
 _DEFAULT_RENDER_FLAGS[mujoco.mjtRndFlag.mjRND_SKYBOX.value] = 1
+_DEFAULT_RENDER_FLAGS[mujoco.mjtRndFlag.mjRND_CULL_FACE.value] = 1
 
 
 class BaseRenderer(metaclass=abc.ABCMeta):

setup.py

@@ -173,7 +173,7 @@ def is_excluded(s):
 
 setup(
     name='dm_control',
-    version='1.0.6',
+    version='1.0.7',
     description='Continuous control environments and MuJoCo Python bindings.',
     long_description="""
 # `dm_control`: DeepMind Infrastructure for Physics-Based Simulation.

tutorial.ipynb

@@ -77,7 +77,7 @@
         "      'Go to the Runtime menu and select Choose runtime type.')\n",
         "\n",
         "print('Installing dm_control...')\n",
-        "!pip install -q dm_control\u003e=1.0.6\n",
+        "!pip install -q dm_control\u003e=1.0.7\n",
         "\n",
         "# Configure dm_control to use the EGL rendering backend (requires GPU)\n",
         "%env MUJOCO_GL=egl\n",