Stadia is using amdvlk as far as I know, since they referenced AMD GPU profiler which didn't work with Mesa in the past. https://www.amd.com/en/press-releases/

Stadia is using amdvlk as far as I know, since they referenced AMD GPU profiler which didn't work with Mesa in the past. https://www.amd.com/en/press-releases/2019-03-19-amd-radeon-gpus-and-developer-tools-tapped-for-google-stadia-game https://www.amd.com/en/press-releases/2019-03-19-amd-radeon-...