Robert Swain 0529f633f9 KTX2/DDS/.basis compressed texture support (#3884) ... # Objective - Support compressed textures including 'universal' formats (ETC1S, UASTC) and transcoding of them to - Support `.dds`, `.ktx2`, and `.basis` files ## Solution - Fixes https://github.com/bevyengine/bevy/issues/3608 Look there for more details. - Note that the functionality is all enabled through non-default features. If it is desirable to enable some by default, I can do that. - The `basis-universal` crate, used for `.basis` file support and for transcoding, is built on bindings against a C++ library. It's not feasible to rewrite in Rust in a short amount of time. There are no Rust alternatives of which I am aware and it's specialised code. In its current state it doesn't support the wasm target, but I don't know for sure. However, it is possible to build the upstream C++ library with emscripten, so there is perhaps a way to add support for web too with some shenanigans. - There's no support for transcoding from BasisLZ/ETC1S in KTX2 files as it was quite non-trivial to implement and didn't feel important given people could use `.basis` files for ETC1S.		2022-03-15 22:26:46 +00:00
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src	KTX2/DDS/.basis compressed texture support (#3884)	2022-03-15 22:26:46 +00:00
Cargo.toml	KTX2/DDS/.basis compressed texture support (#3884)	2022-03-15 22:26:46 +00:00