"Vznikl, protože neexistoval oficiální otevřený multiplatformní ovladač přímo od AMD."
To nie je uplne pravda, RADV vznikol, kedze AMD trvalo otvorenie ovladaca prilis dlho
AMD povedalo uz 17.9.2015,ze bude mat v buducnosti open source Vulkan driver
AMD Has A Vulkan Linux Driver, But Will Be Closed-Source At First
Written by Michael Larabel in Display Drivers on 17 September 2015.
This was the first time we've heard AMD's Linux team talk about Vulkan... They are working on a Vulkan Linux driver and have one prototyped, but initially it will be closed-source and the open-sourced later..
https://www.phoronix.com/scan.php?page=article&item=amd-gpu-xdc15&num=1