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Skinning scales each bone matrix by its weight (float24 products) and runs one accumulator through all the bones' translations and terms with the GE's adder; morphing sums the weighted frames the same way. The software renderer recomputes the decoder's float results for positions and normals. Bit exact on gpu/probe exp67, exp68, exp70 and exp71. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
To get to 100% compatibility, we will need a software renderer as there are games out there that do tricks that can't really be faked in a sensible way. Useful for homebrew too that mix sw and accel rendering.