[arun@arun-pc ~]$ vkquake
Command line: vkquake
Found SDL version 2.0.5
Detected 2 CPUs.
Quake 1.09 (c) id Software
GLQuake 1.00 (c) id Software
FitzQuake 0.85 (c) John Fitzgibbons
FitzQuake SDL port (c) SleepwalkR, Baker
QuakeSpasm 0.92.2 (c) Ozkan Sezer, Eric Wasylishen & others
vkQuake 0.93.0 (c) Axel Gneiting
Host_Init
Playing shareware version.
Console initialized.
UDP Initialized
Server using protocol 666 (FitzQuake)
Exe: 08:34:54 Dec 24 2016
256.0 megabyte heap

Vulkan Initialization

ERROR-OUT BEGIN


QUAKE ERROR: Couldn't find any Vulkan devices