Comment 3 for bug 2037076

alan@nuc:~$ switcherooctl list
Device: 0
  Name: Advanced Micro Devices, Inc. [AMD®/ATI] Polaris 22 XT [Radeon RX Vega M GH]
  Default: yes
  Environment: DRI_PRIME=pci-0000_01_00_0

Device: 1
  Name: NVIDIA Corporation TU102 [GeForce RTX 2080 Ti Rev. A]
  Default: no
  Environment: __GLX_VENDOR_LIBRARY_NAME=nvidia __NV_PRIME_RENDER_OFFLOAD=1 __VK_LAYER_NV_optimus=NVIDIA_only