marcoallegretti/WEFT_OS
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WEFT OS is a Wayland compositor and application runtime where every app is a WebAssembly component rendered in an isolated Servo WebView.
16 commits 1 branch 0 tags 472 KiB
Rust 88.9%
JavaScript 3.9%
HTML 3.7%
Nix 2.2%
Shell 1.2%
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Marco Allegretti 61bef1a0a7 feat(compositor): implement surface compositing and layer shell rendering 
Replace the clear-colour-only stub in render_output with full
surface compositing via Space::render_elements_for_output.

Changes:
- drm_device.rs: add start_time: Instant to WeftDrmData for elapsed-
 time frame callbacks
- drm.rs: rewrite render_output rendering block
 - collect SpaceRenderElements from Space via render_elements_for_output
 which includes both mapped windows and wlr-layer-shell surfaces from
 layer_map_for_output (sorted by z-index, clipped to output geometry)
 - pass collected elements to DrmOutput::render_frame
 - fix send_frame timing from Duration::ZERO to start_time.elapsed()
 with 16ms throttle hint
 - add space.refresh() and popups.cleanup() after each frame
 Use explicit inner block to scope space+drm borrows so post-render
 bookkeeping can access state mutably

Cursor rendering deferred requires cursor theme loading or MemoryRenderBuffer
setup; tracked separately.
2026-03-11 00:03:33 +01:00
.github/workflows ci: add libgbm-dev and libdrm-dev to linux-only job dependencies 2026-03-10 21:33:34 +01:00
crates feat(compositor): implement surface compositing and layer shell rendering 2026-03-11 00:03:33 +01:00
docs Add WEFT architecture and interface design documents 2026-03-10 18:47:10 +01:00
infra feat(compositor): add weft-compositor crate 2026-03-10 20:56:35 +01:00
scripts fix(compositor): resolve all Linux cargo check/clippy/fmt failures 2026-03-10 23:43:43 +01:00
.gitattributes Initialize Rust workspace and repository metadata 2026-03-10 18:47:06 +01:00
.gitignore Initialize Rust workspace and repository metadata 2026-03-10 18:47:06 +01:00
Cargo.lock feat(compositor): implement DRM/KMS rendering path 2026-03-10 22:32:21 +01:00
Cargo.toml feat(compositor): add weft-compositor crate 2026-03-10 20:56:35 +01:00
justfile Add repository validation and CI checks 2026-03-10 18:47:16 +01:00
README.md Initialize Rust workspace and repository metadata 2026-03-10 18:47:06 +01:00
rust-toolchain.toml Initialize Rust workspace and repository metadata 2026-03-10 18:47:06 +01:00

README.md

WEFT OS

WEFT OS is a Linux-based operating system effort built around a Smithay compositor, a Servo-rendered system shell, and a Wasmtime-based application runtime.

Current repository scope

This repository currently contains:

  • the baseline Rust workspace
  • public engineering documentation derived from the authoritative blueprint
  • initial design documents for the shell protocol boundary and the Wasm–Servo channel
  • local and CI validation paths for repository bootstrap work

It does not yet contain a compositor, shell, or application runtime implementation.

Source of truth

The authoritative technical reference for this repository is docu_dev/WEFT-OS-COMPREHENSIVE-BLUEPRINT.md.

Historical blueprint documents exist in docu_dev/, but they are not implementation authority where they conflict with the comprehensive blueprint.

Privacy boundary

docu_dev/ is a private coordination area used during development. It is intentionally ignored by git and is not part of the tracked public repository surface.

Development model

  • Primary development host: Windows workstation
  • Primary runtime target: Linux VM or QEMU guest
  • Core system language: Rust

Validation

On Windows PowerShell:

./infra/scripts/check.ps1

On Linux:

./infra/scripts/check.sh

Repository layout

crates/      Rust workspace members
docs/        Public engineering documentation
infra/       Validation scripts and VM workflow material