waywe-rs

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Wallpaper engine built for Wayland written in Rust.

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# Blazingly Fast Video Wallpapers in Rust

[![Ask DeepWiki](https://deepwiki.com/badge.svg)](https://deepwiki.com/hack3rmann/waywe-rs)

## Highly efficient wallpaper software with no overhead

- `waywe` stands for '**Way**land **W**allpaper **E**ngine'

https://github.com/user-attachments/assets/48a8b135-bbf2-4055-8453-19292a923939

### Warning

- This software is still in development, some major features may be unimplemented.
- This project uses a lot of hardware-dependent code to make it work fast as *F*.
- Special warning for the ones who concerned about unsafe code in Rust: this project contains a
  lot of it and built upon it. Of course, to speed up a lot of processing code.

## Available Features

1. Image wallpapers in various formats.
2. Video wallpapers in .mp4 (h.264 and h.265 -encoded formats)
3. Configurable transition animations.
4. Custom scene wallpapers loaded from dynamic libraries (`.so`).

## Dependencies

1. Modern Linux distribution.
2. `wlroots`-based Wayland compositor (e.g. Hyprland or Sway).
3. Support for `libva` hardware acceleration.
4. Support for minor (yet unpopular) Vulkan features:
    - `VK_KHR_external_memory_fd`
    - `VK_EXT_image_drm_format_modifier`

## Install

### Clone the repo

```shell
git clone https://github.com/hack3rmann/waywe-rs.git --depth 1
```

### Build

Build whole project

```shell
cd waywe-rs
cargo build --release --locked
```

### Install

You can find both `waywe` and `waywe-daemon` executables under `target/release` directory:

```shell
sudo cp target/release/waywe target/release/waywe-daemon /usr/bin
```

## Usage

Start the daemon:

```shell
waywe start
# or
waywe-daemon --run-in-background
```

Then use the `waywe` cli tool to control daemon's behavior:

```shell
waywe show path/to/your/video.mp4
waywe show path/to/your/picture.jpg
waywe show path/to/your/scene.so
```

Scene wallpapers are shared libraries built with [`waywe-scene`](crates/waywe-scene) or
[`waywe-rendering-api`](crates/waywe-rendering-api) (experimental). You implement
rendering yourself; see the crate READMEs for how to author and build them.

Note that it will set the same wallpaper for all currently plugged monitors.
You can also specify on which monitor to set wallpaper to with `--monitor <NAME>` key.

Also, you can create preview image of currently running wallpaper:

```shell
waywe preview preview.png
```

For other handy commands run `waywe help`.

### Scene wallpapers

With [`waywe-scene`](crates/waywe-scene), put `#[derive(Scene)]` on your wallpaper type —
the FFI entry point is generated for you. With [`waywe-rendering-api`](crates/waywe-rendering-api)
directly, you write `waywe_ffi_create_opaque_renderer` yourself and implement all rendering.

Build an example scene and set it as wallpaper:

```shell
cargo build --release -p waywe-test-scene
waywe show target/release/libwaywe_test_scene.so
```

ShaderToy example:

```shell
cargo build --release -p shadertoy-computer-were-made-for-cubes
waywe show target/release/libshadertoy_computer_were_made_for_cubes.so
```

## Configuration

You can configure your transition animations in `~/.config/waywe/config.toml`.
Default config will be generated if user would not have one.

Default configuration:

```toml
[animation]
# Transition duration in milliseconds
duration-milliseconds = 2000
# Animation direction: "in" | "out"
direction = "out"
# Interpolation function: "none" | "ease-in" | "ease-out" | "ease-in-out" | "bezier" 
# 
# - "none": f(t) = t
# - "ease-in": f(t) = t**2
# - "ease-out": f(t) = 1 - (1 - t)**2
# - "ease-in-out": f(t) = 3 * x**2 - 2 * x**3
# - "bezeier": [a, b, c, d] where a, b, c, d are floats and a, c are from [0.0, 1.0]
easing = "ease-out"
# Animation style: "circle" | "slide"
style = "circle"

[animation.center-position]
# Animation circle center position type: "random" | "point" [default="random"]
#
# - "random": center will be picked randomly on screen and `position` parameter will be ignored
# - "point": center position will be at point `position` (see next)
type = "random"
# Exact center position of animation circle, used with `type = "point"`.
# Describes position coordinares in range `-1.0..=1.0`
position = [0.0, 0.0]

# Optional post-proccess effects
[[effects]]
# Convolution filter
type = "convolve"
# Convolution kernel (for example, sharpen filter)
kernel = [0.0, -1.0, 0.0, -1.0, 5.0, -1.0, 0.0, -1.0, 0.0]

[[effects]]
# Fast blur filter
type = "blur"
# Number of downsample passes
n_levels = 4
# Growth rate of blur passes on each downsample step (0 for no growth)
level_multiplier = 2
```

And if you want slide animation:

```toml
[animation]
duration-milliseconds = 2000
easing = "ease-out"
# Animation style: "circle" | "slide"
style = "slide"

[animation.angle]
# Animation angle type: "random" | "value" [default="random"]
#
# - "random": angle will be picked randomly from 0 to 360 and `value` will be ignored 
# - "value": angle in degrees
type = "random"
# value from 0 to 360 degrees
degrees = 0
```

## Troubleshooting

This project is tested only on several machines with Intel or AMD
CPUs with integrated graphics running Fedora 42.

### Common issues

1. `ERROR_FORMAT_NOT_SUPPORTED`:
    - try install `ffmpeg` and `libva` libraries
    - try update/install your video drivers
2. You have both discrete and integrated graphics:
    - try `vainfo | grep Driver` - it will show the current driver name.
    - if you are on Intel, set `LIBVA_DRIVER_NAME=iHD` environment variable before you run the daemon.
    - or for AMD, set `LIBVA_DRIVER_NAME=Gallium`
    - otherwise set it accordingly with your integrated graphics driver.

## Alternatives

There are already tools with quite similar features:

- [`swww`](https://github.com/LGFae/swww) - great tool to use with picture wallpapers.
- [`swaybg`](https://github.com/swaywm/swaybg) - from the authors of `wlroots` protocol.
- [`mpvpaper`](https://github.com/GhostNaN/mpvpaper) - play videos with `mpv` directly on your wallpaper.
- [`hyprpaper`](https://github.com/hyprwm/hyprpaper) - simplest solution for Hyprland users

## Acknowledgments

Special thanks to [`swww`](https://github.com/LGFae/swww). `waywe` project is heavily inspired by `swww`.

## Future directions

- Using [Wallpaper Engine](https://www.wallpaperengine.io/en) assets with `waywe`.

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