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* etcpak: Workaround multiple-of-4 requirement for 3D texture mipmaps.Lyuma2022-01-231-3/+7
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* Pad etcpak input to 4x4 blocks. Fixes #49981Lyuma2022-01-221-6/+57
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* Update copyright statements to 2022Rémi Verschelde2022-01-031-2/+2
| | | | Happy new year to the wonderful Godot community!
* etcpak: Update to upstream commit 7c3cb6f (Jul 29, 2021)Rémi Verschelde2021-09-221-2/+2
| | | | | Adds a new `useHeuristics` compression mode for ETC2. Upstream defaults to enable it so we do the same.
* Import: Cleanup and optimize etcpak compression methodRémi Verschelde2021-04-161-0/+184
Avoid unnecessary allocation of temporary buffers for each mip, and creates only one Image with the compressed data. Also renames variable and reorders code for clarity. Clarify that squish is now only used for decompression. Documented which formats can be decompressed in Image.