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2022-01-23etcpak: Workaround multiple-of-4 requirement for 3D texture mipmaps.Lyuma
2022-01-22Pad etcpak input to 4x4 blocks. Fixes #49981Lyuma
2022-01-03Update copyright statements to 2022Rémi Verschelde
Happy new year to the wonderful Godot community!
2021-09-22etcpak: Update to upstream commit 7c3cb6f (Jul 29, 2021)Rémi Verschelde
Adds a new `useHeuristics` compression mode for ETC2. Upstream defaults to enable it so we do the same.
2021-04-16Import: Cleanup and optimize etcpak compression methodRémi Verschelde
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.
2021-04-14etcpak: We only need the compression code, remove rest of etcpak appRémi Verschelde
We do our own image loading, threading, and memory management in Godot already, so the only components we need from etcpak (at least as of now) are the `Compress*` methods defined in `ProcessDxtc.cpp` and `ProcessRGB.cpp`. So we don't need to compile or vendor the rest.
2021-04-13Add `etcpak` library for faster ETC/ETC2/S3TC imports.K. S. Ernest (iFire) Lee
- `etc` module was renamed to `etcpak` and modified to use the new library. - PKM importer is removed in the process, it's obsolete. - Old library `etc2comp` is removed. - S3TC compression no longer done via `squish` (but decompression still is). - Slight modifications to etcpak sources for MinGW compatibility, to fix LLVM `-Wc++11-narrowing` errors, and to allow using vendored or system libpng. Co-authored-by: Rémi Verschelde <rverschelde@gmail.com>