If you want to use shaders with the Fabric loader, then just use the Iris Shaders mod. It supports any shaders made for Optifine, so it doesn’t need to search for separate files. Just go to the shaders section and choose any to your taste! In addition, this mod is fully compatible with Sodium and Phosphor, allowing you to further optimize graphics and performance.
How to install Iris Shaders mod
- Make sure you have installed Fabric Mod Loader and Fabric API or Quilt.
- Download the mod for your version of the game.
- Put it in the ‘mods’ folder, which is located in the game folder.