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better texture support, milo decompression #5

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@LlysiX LlysiX commented Apr 24, 2023

This branch seems to have features that could be good to add to the main repo.

TODO: do more research on this topic
…ages

Here are some findings:
Normal maps: BC5 or in some cases R8G8
PBR named files: BC4 or in some cases BC5 (maybe Red channel: specular, Green Channel: metallic)
Diffuse: BC3 (with or without alpha)
util named files: varies (some are using BC7 compression -> decompression implementation pending)
TODO: figure out how to determine the compression type of each file automatically
GUI: Added save button to save images directly from Inspector
WIP: BC7 decompression (still at the beginning, do not understand shit from current resources)
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