Seus Ptgi Iris Compatibility Oculus Forge Top ★ Newest & Simple
Oculus is a Forge port of Iris. It shares the same shader parser. Therefore, Oculus has identical compatibility with SEUS PTGI as Iris (partial).
However, if you must use Forge mods (Create, Mekanism, etc.), Oculus is your only lightweight option.
Known working (YMMV):
Cause: SEUS PTGI HRR 3.0 requires a specific normal map format that old Oculus versions lack. Fix: Downgrade to Oculus v1.6.4 and SEUS PTGI HRR 2.1. Alternatively, install "Indium" (Fabric) or "TexTrue's Entity Culling" (Forge) to fix vertex buffer issues.
Go to Sonic Ether’s Patreon (or his official site if public). Download SEUS PTGI HRR 3.0 or PTGI HRR Test 2.1. Note: Do not use the old "SEUS Renewed" – that is not path traced.
Do not unzip the file. Place the .zip file into the shaderpacks folder (create it if it doesn't exist). seus ptgi iris compatibility oculus forge top
TL;DR at the bottom.
If you’re trying to run SEUS PTGI (Sonic Ether’s Unbelievable Shaders – Path Traced Global Illumination) and are caught between Iris (Fabric), Oculus (Forge), and OptiFine, here’s the breakdown of what works, what doesn’t, and the current “top” setup. Oculus is a Forge port of Iris
Cause: You are trying to run a shader designed for OptiFine's legacy GLSL on Iris/Oculus. Fix: Ensure you have PTGI HRR (Path Traced) and not the old "SEUS v11.0." Only HRR versions support Iris/Oculus.
Goal: Play "All the Mods 9" or "Create" with PTGI lighting. However, if you must use Forge mods (Create, Mekanism, etc
