Overlay used on Linux for Vulkan:
https://github.com/flightlessmango/mesa/tree/mango/src/vulkan/overlay-layer

Overlay for WineD3D is a modified version of the Gallium hud. It's currently under heavy development

Benchmark Info:
Resolution 1920x1080
wine-tkg-staging-fsync-git-5.0rc1
DXVK 1.5
RADV/ACO
Linux Driver: Mesa 20.0.0, 10.0.0 LLVM
Windows Driver: 19.12.3
Windows Version 1909 (OS Build 18363.476)

System:
Cpu: i7 8700k @ 4.7Ghz
Memory: 16GB G.Skill Trident Z 3200 Mhz
Graphics Card: Vega 56
Motherboard: Asus Rog Strix Z370-E Gaming
Operating System: Arch Linux
5.4.2-7-tkg-pds fsync

Discord server:
https://discord.gg/Gj5YmBb