| Filename | Latest commit message | Latest commit date |
|---|---|---|
Move OpenCASCADE out of the merged editor image into occ_service: a separate
emscripten module (-sASYNCIFY=0, MODULARIZE, in-container -Oz finalize, 2N+8
pre-warmed pthread pool) booted lazily in a dedicated Web Worker on the first
STEP export or STEP/IGES model parse. kicad_editor.wasm ~190 MB -> 130 MB;
sessions that never touch OCC never fetch its 57 MB. STEP export works in the
browser for the first time: the unchanged desktop dialog runs EXPORTER_STEP,
whose wasm shadow suspends into globalThis.occService and the export bytes go
straight to a browser download (never entering the editor heap). STEP/IGES 3D
models parse in the worker via the oce shadow (S3D WriteCache/ReadCache wire).
- wasm/occ-service/: service CMake target (hooked from the kicad fork's
top-level CMakeLists, wasm/editor pattern), embind entry
(occExport/occLoadModel), wxConfig pre-js.
- wasm/stubs/{exporter_step,oce_plugin}_stub.cpp: EM_ASYNC_JS worker bridges
(callee-shadowing; no caller #ifdefs).
- web/standalone: provider installed whenever the kicad_editor bundle boots
(cross-face safe); ONE shared worker-boot source occ-worker.js (vite ?raw;
the e2e stub reads the same file) — blob worker with locateFile absolutized
against the glue URL; export download-name guard.
- deps: OCC builds with RapidJSON so its glTF/GLB writer exists — pinned to
the vcpkg master snapshot 2025-02-26 (24b5e7a8b27f), the same code official
KiCad consumes via vcpkg.json's opencascade[rapidjson]; rapidjson's latest
tag (v1.1.0, 2016) is ill-formed under modern clang.
- tests: occ-export dialog e2e (lazy-fetch boundary + STEP download bytes),
occ-probe incl. a 9-format matrix (step/stpz/brep/xao/ply/stl/glb/u3d/pdf),
3d-viewer-models hard-asserts the worker parse; occ provider stub installed
ambiently by the kicad fixtures.
Validated against desktop kicad-cli 10.0.4: geometric exact equality (bbox
delta 0 um, volume delta 0.0000%) for STEP/GLB/STL/BREP/STPZ across three
boards and option sweeps — with desktop OCC 7.9 vs wasm OCC 7.8; PLY/XAO/PDF
structurally equal; U3D same-size (quantizer float LSBs differ). Full kicad
e2e green on Firefox and Chromium; standalone verified end to end (lazy fetch
only on the Export click; export.step 60,628 B ISO-10303-21; loadModel 700 KB
STEP -> 569 KB scenegraph cache).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
|
||
| .. | ||
| debugging | ||
| features | ||
| research | ||
| build.md | ||
| ci-build-slowness-findings.md | ||
| README.md | ||
| wasm-exceptions-experiment.md | ||
Documentation Map
A central index of the documentation in this repo. The goal of the project is to build KiCad with WASM and run it in a browser.
Note: per-area
README.mdfiles stay next to the code they describe (they're linked below). Cross-cutting guides live underdocs/. Per-feature design notes live underfeatures/.
Start here
- Project README — overview, prerequisites, quick start, project structure
- CLAUDE.md — project/agent context and contribution conventions
Build
- docs/build.md — Docker-based KiCad WASM build system (two-phase build, outputs, memory)
- docker/README.md — Docker build environment, branch-specific containers, troubleshooting
- wasm/README.md — WASM compatibility layer (overrides/shims without patching KiCad)
Debugging & Asyncify
- docs/debugging/DEBUG.md — debugging guide: Asyncify stalls vs crashes, shim/codegen coupling, stub-bisection
- docs/debugging/learning.md — Asyncify + consecutive modal dialogs: the lock pattern
- docs/research/threading_1.md — deep dive: the Asyncify single-slot
currDatacollision bug and the fix - docs/research/threading_2.md — external research: JSPI/WasmFX/state-machine alternatives, QEMU analysis
Architecture
- wasm/README.md — WASM compatibility layer structure
- web/README.md — web app (create/open KiCad projects), tech stack, URL routing, WASM artifact serving
Testing
- tests/README.md — Playwright test infrastructure, element registry, logs, screenshots
- tests/WHATWORKS.md — wxWidgets-in-WASM feature coverage matrix and KiCad readiness
- tests/GL_README.md — Emscripten legacy GL immediate-mode quirks (color-per-vertex)
- tests/gal-regression/README.md — GAL visual regression suite (native OpenGL vs WebGL WASM)
Feature design docs
Per-feature design notes and porting records live under features/:
- web-init — web app spec
- schematic — eeschema WASM bring-up
- symbol-editor — symbol editor (eeschema kiface launcher)
- gerbview — Gerber viewer port
- pl-editor — page-layout editor port (incl. file-dialog usability fixes)
- browser-tools — tool-activation / coroutine deep dives
- fix-asyncify-O2-and-modal-promise-rejection — RTree wasm overflow bug investigation
Archived / historical
features/archive/ holds docs whose work is done or superseded
(each carries a status banner):