Add BCn encoders/decoders with RDO support#1167

Draft

walcht wants to merge 7 commits intoKhronosGroup:mainfrom

walcht:add-BCn-decoder

Commits on May 5, 2026

Add initial BC1 decoder
walcht
committed

Commits on May 6, 2026

Add BC1, BC3, BC4, BC5, and BC7 decoding support to ktx extract command
walcht
committed

Commits on May 7, 2026

Commits on May 8, 2026

Add BCn encoding support for CLI command encode
walcht
committed
Merge branch 'add-BCn-decoder' of github.com:walcht/KTX-Software into add-BCn-decoder
walcht
committed

Commits on May 10, 2026

Fix/Suppress bc7enc_rdo warnings and point to forked CTS
walcht
committed