OpenCrosshair

A lightweight crosshair overlay application for Wayland compositors, inspired by HudSight.

Requirements

• Wayland compositor with layer-shell support check here
• Vulkan-capable GPU
• Rust toolchain (for building from source)

Installation

Building from Source

git clone https://github.com/yourusername/opencrosshair.git
cd opencrosshair
cargo build --release

The binary will be located at target/release/opencrosshair.

Usage

./target/release/opencrosshair

Roadmap

• Add CLI configuration using clap
  • Custom image path support
  • Scale adjustment
  • Color customization
• Explore software rendering alternatives to reduce resource usage
• Optimize RAM consumption (currently 100 MB)
• Add support for multiple monitor setups

Contributing

Contributions are welcome! Areas of particular interest:

1. Software rendering: Exploring alternatives to wgpu for reduced resource usage
2. Memory optimization: Reducing RAM footprint
3. Feature additions: New configuration options and quality-of-life improvements

License

This project is MIT licensed. See the LICENSE file for details.

Acknowledgments

• Inspired by HudSight
• Built with the excellent wgpu and smithay projects