safer_ffi VS rust-sdl2

Rust also has a library called safer_ffi that makes FFI easier, and I tried to use that, but the library seems to be immature, and I could not get arguments in Rust functions. If this library can be used properly, it will be possible to output C header files from Rust functions and automatically generate Nim interface functions from C header files using c2nim. We look forward to further development of this feature.

Bindgen is good for calling C from rust. If you want to call rust from C though, you should use safer-ffi

I honestly wouldn't say that much has changed during this year. I do see some progress on new libraries like xlang_abi, safer_ffi or cglue, but it's still too early to know, and existing ones like abi_stable move quite slowly.

A project like this does exist! https://github.com/getditto/safer_ffi

I don't think that SDL and WGPU are really comparable. You'd be better off comparing SDL to something like Notan or even the SDL bindings for Rust. That said, SDL will have vastly more learning resources than Wgpu or Notan or any Rust alternative. If you know and like rust you can probably use the resources with the Rust SDL bindings.

Those are 3 very different libraries. Are you looking for something in the middle, or do you want all of the features you described? For what it's worth, there's SLD2 bindings for Rust https://github.com/Rust-SDL2/rust-sdl2

There's already a Rust binding for SDL2. See https://crates.io/crates/sdl2

nope. https://github.com/Rust-SDL2/rust-sdl2/issues/884 emscripten target won't work yet either.

it seems like what you are looking for is sdl2 bindings

Dude. It's literally at most 50 lines of code, the entire project. What kind of documentation do you expect me to write? The library I'm using is this one. I don't know why you'd need to know anything about it since it's purely something that can appear literally anywhere, it's part of the language.

*and* SDL2-sys *and* Rust-SDL2

The SDL2 crate had something like this, and it's an option I'm considering. However, if possible, I'd prefer a different, simpler GUI library, so if there's an input-specialized crate out there that does this, I'd love it.