git clone https://github.com/joaostack/vkBasaltSaturation
mv vkBasaltSaturation/reshade-shaders/ ~/.config/vkBasalt/
Add lines in the vkBasalt.conf
toggleKey = Home
enableOnLaunch = True
effects = Saturation
Saturation = /home/$USER/.config/vkBasalt/reshade-shaders/Shaders/Saturation.fx
reshadeTexturePath = /home/$USER/.config/vkBasalt/reshade-shaders/Textures
reshadeIncludePath = /home/$USER/.config/vkBasalt/reshade-shaders/Shaders
Steam Launch Options
ENABLE_VKBASALT=1 gamemoderun %command%