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Things You Should Know About Shaders (For 3D Graphics)
- johnbm 13y agoWhat they call "image based lighting" (rendering depth/normals into a separate image) is actually called deferred lighting / rendering. Image based lighting is when you use environment maps (like a cube map) for lighting rather than individually defined lights. Typically you precompute blurred versions of the environment map so you can sample it directly at various apertures.