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[maintenance mode] A low-overhead Vulkan-like GPU API for Rust.

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Matrix room gfx-hal on Build Status
Getting Started | Documentation | Blog | Funding


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.


  • 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:
  • 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.

Hardware Abstraction Layer (HAL)

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
crate (pre-ll)

This repository was originally home to the

crate, which is now deprecated. You can find the latest versions of the code for that crate in the
branch of this repository.

The master branch of this repository is now focused on developing

and its associated backend and helper libraries, as described above.

is a complete rewrite of
, but it is not necessarily the direct successor to
. Instead, it serves a different purpose than the original
crate, by being "lower level" than the original. Hence, the name of
was originally
, which stands for "lower level", and the original
is now referred to as

The spiritual successor to the original

is actually
, which stands on a similar level of abstraction to the old
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
crate that is being actively developed,
is probably what you're looking for, rather than


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!


This repository is licensed under either of

  • Apache License, Version 2.0, (LICENSE-APACHE or
  • MIT license (LICENSE-MIT or

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.

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