make cool-retro-term work with nvidia

cool-retro-term/docker-compose.yml

@@ -5,7 +5,13 @@ services:
     image: andrey01/cool-retro-term
     network_mode: bridge
     devices:
+      - /dev/nvidia0
+      - /dev/nvidiactl
+      # - /dev/nvidia-uvm
+      # uncomment this when running NVIDIA Driver >= 361
+      # - /dev/nvidia-modeset
       - /dev/dri
+      # - /dev/snd
       # - /dev/video0
     volumes:
       - /tmp/.X11-unix:/tmp/.X11-unix:ro
@@ -13,6 +19,22 @@ services:
       - /etc/localtime:/etc/localtime:ro
       - $HOME:/home/$USER
       - /etc/machine-id:/etc/machine-id:ro
+      # Ubuntu's NVIDIA driver:
+      - /usr/lib/nvidia-361-prime:/h1_64:ro
+      - /usr/lib/nvidia-340:/h2_64:ro
+      - /usr/lib/nvidia-340-prime:/h3_64:ro
+      - /usr/lib/nvidia-304:/h4_64:ro
+      - /usr/lib32/nvidia-361:/h5_32:ro
+      - /usr/lib32/nvidia-340:/h6_32:ro
+      - /usr/lib32/nvidia-304:/h7_32:ro
+      # Ubuntu's generic libGL:
+      - /usr/lib/x86_64-linux-gnu:/h8_64:ro
+      - /usr/lib/i386-linux-gnu:/h9_32:ro
+      # openSUSE's NVIDIA driver:
+      - /usr/X11R6/lib:/h10_32:ro
+      - /usr/X11R6/lib64:/h11_64:ro
+      - /usr/lib:/h12_32:ro
+      - /usr/lib64:/h13_64:ro
     environment:
       - DISPLAY=unix$DISPLAY
       - PULSE_SERVER=unix:$XDG_RUNTIME_DIR/pulse/native

cool-retro-term/launch

@@ -8,7 +8,29 @@ usermod --home /home/$USER $OLDUSER
 usermod --login $USER $OLDUSER
 echo "$USER ALL=(ALL) NOPASSWD:ALL" | tee /etc/sudoers.d/$USER
 
-sudo PULSE_SERVER=${PULSE_SERVER:?} su -s /bin/bash -c /opt/cool-retro-term/cool-retro-term $USER
+
+#
+# Add a user to a detected "video" group
+# so that it can access the nvidia devices
+#
+if [ -e /dev/nvidiactl ]; then
+  GID=$(stat -c '%g' /dev/nvidiactl)
+  groupadd -r -g $GID nvidia1
+  if [ $? -eq 0 ]; then
+    usermod -aG nvidia1 $USER
+  else
+    GROUP=$(stat -c '%G' /dev/nvidiactl)
+    usermod -aG $GROUP $USER
+  fi
+fi
+
+#
+# Try to load host's libGL (generic or Nvidia 32/64-bit) drivers
+#
+LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$(echo /h{1..20}_{32,64} | tr ' ' ':')"
+export LD_LIBRARY_PATH
+
+sudo LD_LIBRARY_PATH=${LD_LIBRARY_PATH:?} PULSE_SERVER=${PULSE_SERVER:?} su -s /bin/bash -c /opt/cool-retro-term/cool-retro-term $USER
 
 # QT_X11_NO_MITSHM - stops Qt form using the MIT-SHM X11 extension
 # sudo QT_X11_NO_MITSHM=${QT_X11_NO_MITSHM:-1} PULSE_SERVER=${PULSE_SERVER:?} su -s /bin/bash -c /opt/cool-retro-term/cool-retro-term $USER