While AMD has said they will open-source their Vulkan driver currently part of AMDGPU-PRO, months later they have yet to do so nor has there been any communication when that open-sourcing might happen. In the mean time, David Airlie at Red Hat has begun work on “RADV”, an unofficial Radeon Vulkan driver…

Source: Phoronix – RADV: A Community Open-Source Effort To Get Vulkan Working On Radeon