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Programming language: Rust
License: GNU General Public License v3.0 or later
Tags: Graphics     Gamedev    
Latest version: v0.9.0

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README

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gfx-rs

gfx-rs is a low-level, cross-platform graphics and compute abstraction library in Rust. It consists of the following components:

gfx-hal deprecation

As of the v0.9 release, gfx-hal is now in maintenance mode. gfx-hal development was mainly driven by wgpu, which has now switched to its own GPU abstraction called wgpu-hal. For this reason, gfx-hal development has switched to maintenance only, until the developers figure out the story for gfx-portability. Read more about the transition in #3768.

hal

  • gfx-hal which is gfx's hardware abstraction layer: a Vulkan-ic mostly unsafe API which translates to native graphics backends.
  • gfx-backend-* which contains graphics backends for various platforms:
    • [Vulkan](src/backend/vulkan) (runs on Linux, Windows, and Android)
    • [DirectX 12](src/backend/dx12) and [DirectX 11](src/backend/dx11)
    • [Metal](src/backend/metal) (runs on macOS and iOS)
    • [OpenGL ES3](src/backend/gl) (runs on Linux/BSD, Android, and WASM/WebGL2)
  • gfx-warden which is a data-driven reference test framework, used to verify consistency across all graphics backends.

gfx-rs is hard to use, it's recommended for performance-sensitive libraries and engines. If that's not your domain, take a look at wgpu-rs for a safe and simple alternative.

Hardware Abstraction Layer

The Hardware Abstraction Layer (HAL), is a thin, low-level graphics and compute layer which translates API calls to various backends, which allows for cross-platform support. The API of this layer is based on the Vulkan API, adapted to be more Rust-friendly.

Currently HAL has backends for Vulkan, DirectX 12/11, Metal, and OpenGL/OpenGL ES/WebGL.

The HAL layer is consumed directly by user applications or libraries. HAL is also used in efforts such as gfx-portability.

See the Big Picture blog post for connections.

The old gfx crate (pre-ll)

This repository was originally home to the gfx crate, which is now deprecated. You can find the latest versions of the code for that crate in the pre-ll branch of this repository.

The master branch of this repository is now focused on developing gfx-hal and its associated backend and helper libraries, as described above. gfx-hal is a complete rewrite of gfx, but it is not necessarily the direct successor to gfx. Instead, it serves a different purpose than the original gfx crate, by being "lower level" than the original. Hence, the name of gfx-hal was originally ll, which stands for "lower level", and the original gfx is now referred to as pre-ll.

The spiritual successor to the original gfx is actually wgpu, which stands on a similar level of abstraction to the old gfx crate, but with a modernized API that is more fit for being used over Vulkan/DX12/Metal. If you want something similar to the old gfx crate that is being actively developed, wgpu is probably what you're looking for, rather than gfx-hal.

Contributing

We are actively looking for new contributors and aim to be welcoming and helpful to anyone that is interested! We know the code base can be a bit intimidating in size and depth at first, and to this end we have a label on the issue tracker which marks issues that are new contributor friendly and have some basic direction for completion in the issue comments. If you have any questions about any of these issues (or any other issues) you may want to work on, please comment on GitHub and/or drop a message in our Matrix chat!

License

This repository is licensed under either of

at your option.

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.


*Note that all licence references and agreements mentioned in the gfx README section above are relevant to that project's source code only.