Install vkBasalt on the Steam Deck without modifying the immutable OS filesystem.
To install via ssh or local terminal:
$ wget https://github.com/simons-public/steam-deck-vkbasalt-install/raw/main/vkbasalt_install.sh
$ bash vkbasalt_install.sh
To remove, delete the following files/directories:
/home/deck/.config/vkBasalt
/home/deck/.config/reshade
/home/deck/.local/lib/libvkbasalt.so
/home/deck/.local/lib32/libvkbasalt.so
/home/deck/.local/share/vulkan/implicit_layer.d/vkBasalt.json
/home/deck/.local/share/vulkan/implicit_layer.d/vkBasalt.x86.json
Thanks to DadSchoorse for vkBasalt. Thanks to dr460nf1r3 and the contributors at Chaotic-AUR.