How to bake new animations?

[myxibrium]

It is my understanding that this demo uses animations which have been baked to textures, in order to have animated humanoids in pure ECS. But I don't see any documentation on how to use this system. Any help would be appreciated.

[Dreomite]

https://forum.unity.com/threads/vertex-shader-based-skinned-character-animation.692077/