A shader for Iris & Optifine that aims to providing realistic visuals with very minimal performance loss. Almost every effect/feature can be fine-tuned for the ideal balance between performance and quality. This project is still in beta but will be reaching initial release very soon!


  • HDR
  • Full PBR support
  • Dynamic, direct, colored block lighting
  • Volumetric fog/lighting
  • Automatic exposure
  • Screen-space reflections
  • Water waves & refraction
  • Supports distorted and cascaded shadow mapping.
  • Depth-of-Field
  • Bloom

Also contains special support for PhysicsMod ocean waves & snow!

Resource Packs

Supports LabPBR and OldPBR texture formats; The default setting for materials is "vanilla", which hard-codes a limited set of PBR material values for the original Minecraft textures.

The recommended resource pack is Patrix; when used make sure to set the shader setting for Material Format to "Patrix", as it uses a special combination of OldPBR and LabPBR formats.

Compatibility & Support

For best results use Iris 1.6 or later; however most features should work with Optifine or Oculus. If you have any suggestions or requests, you can reach out to me on the ShaderLabs Discord.

External resources

Project members



Technical information

Project ID