Hacker Marcan of team Fail0verflow has been working on Linux for PS4 for more than a year, and demonstrated it running on firmware 4.05 along with 3D acceleration, in December during the 33C3 convention in Germany. A couple days ago he tweeted that he is getting close on getting Vulkan to work on the PS4.
https://twitter.com/marcan42/status/816804246280663040
http://wololo.net/2017/01/06/vulkan-...getting-close/
https://twitter.com/marcan42/status/816804246280663040
http://wololo.net/2017/01/06/vulkan-...getting-close/