The basic idea of UASTC is to take ASTC, carefully simplify it so it can be transcoded to BC7 without sacrificing much quality, redesign how the blocks are packed to free up space, then use this extra space to hold 8 or 16-bits of ETC1 and ETC2 hints to accelerate transcoding.
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We will be providing the following functions: - UASTC encoder with *optional* RDO - UASTC decompressor - UASTC->ASTC/BC7/ETC1-2/BC1-5/PVRTC1 etc. transcoders
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UASTC combines together ASTC, BC7, ETC1, and ETC2 EAC A8 into a single format. There are still bits left over in most modes for BC1 hints, but it's not clear what to store that would actually accelerate BC1 encoding. There isn't enough room for 5:6:5 endpoints.
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Is this a paid codec? Or will be part of basis universal?
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Free - It's going to be open sourced (Apache 2.0 license) very soon.
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Čini se da učitavanje traje već neko vrijeme.
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