1.8.1 — Shaders Mod

For Minecraft version 1.8.1, there is no official, stable release of the standalone Shaders Mod. To use shaders in this version, you should use the of the GLSL Shaders Mod or, ideally, use OptiFine , which eventually integrated shader support directly. Installation Guide for Minecraft 1.8.1

Once in-game, go to > Video Settings . You should now see a Shaders button. How to Add Shader Packs Shaders Mod 1.8.1

The mod itself only provides the "engine"; you need a "pack" for the actual visuals. How To Install Minecraft Shaders For 1.8 (Step by Step) For Minecraft version 1

Since 1.8.1 was a transitional version, the most reliable way to get shaders working is through a Forge-based setup: You should now see a Shaders button

: Download OptiFine HD for 1.8. Place the .jar file into your .minecraft/mods folder. This provides the necessary "Shaders" button in your video settings.

: Run Minecraft 1.8.1 at least once from your launcher to ensure all base files are present.