Iris

A zero-copy, GPU-accelerated image viewer for Linux written in Rust. By reconstructing the rendering backend from wgpu to raw Vulkan (ash), Iris bypasses high-level abstractions to communicate directly with the Wayland compositor via DMA-BUF. This architectural bet eliminates all host-side pixel transfers in the hot path, achieving true zero-CPU-copy data transfer for blistering speed and extreme hardware efficiency.