This usually happens with older PTGI versions. Update to the latest GFME build, which handles auto-texture resolution and incomplete texture packs more effectively than vanilla PTGI.
To run shaders with high performance, you need an optimization engine. Your choice depends on your mod loader:
For players utilizing the Fabric ecosystem, Iris provides the absolute highest frame rates for ray-traced shaders. Step 1: Use the Iris Installer seus ptgi iris compatibility oculus forge top
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Next-Gen Minecraft Graphics: SEUS PTGI, Iris Compatibility, and the Oculus Forge Ecosystem This usually happens with older PTGI versions
How to install Distant Horizons 2.1 with Iris & Oculus Shaders
The Ultimate Guide to Minecraft Path Tracing: SEUS PTGI Compatibility on Iris and Oculus (Forge) Your choice depends on your mod loader: For
A legendary shader pack developed by Sonic Ether. Unlike standard rasterized shaders, it implements software-based ray tracing to simulate realistic lighting bouncing, physically accurate reflections, and volumetric fog—all without requiring native hardware RTX support.