Many modern Forge modpacks, such as All the Mods 9 , use Oculus as their default way to handle shaders. Installation Guide To use Oculus, follow these steps:
Oculus requires a rendering optimization mod to function correctly. Download Embeddium or Rubidium and place it in your mods folder.
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On some versions like 1.20.1, adding Invidium can prevent crashes and further boost rendering performance. How to Install Oculus Shaders
Unlike OptiFine, Oculus is open-source, allowing for faster bug fixes and better community transparency. Essential Requirements
Unlike traditional shader methods (like OptiFine), Oculus focuses on modern rendering techniques that significantly boost frame rates.