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It’s been a while! Last time, I went over how the 3-stream Huffman decoders in Oodle Data work. The 3-stream layout is what we originally went with. It gives near-ideal performance on the last game …
Most standard texture compression formats use a type of algorithmic vector quantization (meaning that instead of storing an explicit codebook of possible blocks, the codebook entries are determined by an algorithm that uses the encoded …
UPDATE May 7, 2023: I wrote this post yesterday somewhat in a huff (for reasons not worth going into) and the original post contained several inaccuracies. These have been corrected in this version and I’ve …