As alternatives to Optifine (which doesn't have many actual optimisations now, as most of the original improvements were implemented in the vanilla game https:/

As alternatives to Optifine (which doesn't have many actual optimisations now, as most of the original improvements were implemented in the vanilla game https://gist.github.com/jellysquid3/e46882e37907dfbb3d03d26f589b1c6a https://gist.github.com/jellysquid3/e46882e37907dfbb3d03d26f...) the Sodium, Lithium and Phosphor optimisation mods are much faster and are fully open source. Sodium in particular has some detailed javadocs for the primary optimisations, if you want to see how it works: https://github.com/jellysquid3/sodium-fabric/blob/1.16.x/dev/src/main/java/me/jellysquid/mods/sodium/client/render/chunk/backends/gl43/GL43ChunkRenderBackend.java https://github.com/jellysquid3/sodium-fabric/blob/1.16.x/dev...