Vulkan recent momentum is not small, the game engine Godot planned for release in the 4.0 version will support large Vulkan , Raspberry Pi is about to usher in support of Vulkan . Now we can also see that FFmpeg will also support Vulkan.
Vulkan is a next-generation version of OpenGL, and DirectX 12 are based on the same proprietary AMD Mantle API. The difference is that Vulkan is open source graphics API, which promises developers the ability to access the underlying hardware by the administration and significantly improve the performance of 3D applications.
According to phoronix track, in the latest FFmpeg source code, integration of many Vulkan code, add a few filters, including: avgblur_vulkan, overlay_vulkan, scale_vulkan and chromaber_vulkan. There are also new options let FFmpeg select Vulkan device adapter to be used on the system, and can be seen, also toward other infrastructure support Vulkan and DMA-BUF processing direction FFmpeg Git existing improvements.
So, to predict the next version of FFmpeg will support Vulkan, although it may be only a preliminary support.