SEUS PTGI is largely compatible with (Fabric) and its unofficial Forge port,
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. It enables GPU instancing for entities even while shaders are active, which can significantly boost FPS. Version-Specific Performance & Issues SEUS PTGI is largely compatible with (Fabric) and
While SEUS PTGI was originally built for OptiFine, modern open-source loaders have caught up. Depending on your mod loader, you’ll need a specific "engine" to run the shaders: Version-Specific Performance & Issues While SEUS PTGI was
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).