fix(e2e): rescope the 3D fixes for the webgl-era viewer (rebased onto main)
The 3d-webgl merge (kicad eb13ff3bdc: the viewer now defaults to the real OpenGL renderer via wasm/gl1, and occ-split moves STEP parsing into the occ_service worker) made the raytracer-era orchestration on this branch moot — main's chromium-ci phase is green at 15-way parallelism (28666407570 / 28698861536). Drop what no longer earns its complexity, keep the diagnostics, fix main's live flake, and make the deadlock spec test what it was written for. - REVERT the chromium-ci-3d serial project, the two-phase test:kicad:ci, the SwiftShader GPU-process flags, and the resize-drag/models skips: config and package.json are byte-for-byte back to main's shape. The raytracer contention they guarded is no longer on the CI path. - FIX main's live flake: run 28698861536 is green only via retry (3d-viewer.spec:26 flaky) and 28666407570's deadlock red sampled an ALL-ZERO pixel signature — the viewer's first frame lags the canvas's creation on software WebGL under parallel load, and sampling too early reads an all-black backbuffer. New waitForThreeDRender() gates render assertions on actual pixels (1s-interval full-frame CPU reads) instead of fixed sleeps, used by 3d-viewer.spec:26 and the models render tail. - KEEP the storm-proofed samplers (one full-frame getImageData on a willReadFrequently canvas replacing 256 per-pixel GPU round-trips per sample — the "GPU stall due to ReadPixels" trigger) and the logThreeDDiag instrumentation: engine-independent, and they de-risk every remaining software-GL pixel read. - models spec: bridge assertions stay front-loaded (the protocol regression signal is independent of the render); the occ_service parse verdict is now POLLED — it lands async relative to the bridge ensures, so asserting it immediately raced the worker; the render tail runs again everywhere. (The pre-webgl raytracer+models renderer-death documented in a17f3be does not affect the OpenGL default path — the raytracer-toggle+models combination remains untested product surface, tracked outside this branch.) - deadlock spec: the deadlock it guards is raytracer-specific and the viewer now defaults to OpenGL — on the GL engine it either passes vacuously (fast renders make every liveness assertion trivial, 28698861536) or fails on the black first frame (28666407570). It now flips the engine via the "Use raytracing" toolbar toggle (loud assert if the toggle moved) and cross-checks engagement by requiring the canvas pixels to CHANGE after the flip with no input in between (the raytraced frame is lit differently; a GL re-render reproduces identical pixels; heap growth is unusable — mimalloc satisfies the raytracer from freed arena pages). That guard immediately caught a REAL defect: on the webgl-era wasm build the toggle is INERT (the click lands and "Reload time" updates, but the canvas never changes — suspects: DoRePaint's silent catch(runtime_error) freezing the canvas after a raytracer Redraw throw, or ToggleRaytracing writing m_boardAdapter.m_Cfg while RenderEngineChanged() reads GetAppSettings<…>(), possibly different instances in the merged bundle). The spec is therefore test.skip-annotated as a KNOWN ISSUE with the full engine-force machinery in place — unskipping it self-validates the product fix. The CI-skip also stays (raytracer liveness needs real-GPU pacing; the Worker-boot deadlock mechanism is covered on CI by the standalone wx harnesses). - 180s viewer-open waits kept as pure CI headroom (never slow a passing run). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Istvan Matejcsok
parent
8b45348f71
commit
561d0500a6
6 changed files with 110 additions and 127 deletions
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@ -1,12 +1,18 @@
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import { test, expect } from './fixtures';
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import { clickByTooltip, clickToolbarTool } from '../e2e/utils/element-tracker';
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import { waitForPcbnew } from './utils/pcbnew-ready';
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import { countGlCanvases, loadBoard, logThreeDDiag, openThreeDViewer } from './utils/threed-viewer';
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/**
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* Regression for the camera-move-on-canvas raytrace DEADLOCK.
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*
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* The 3D viewer's EDA_3D_CANVAS is a wxGLCanvas whose paint runs the multi-threaded CPU
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* raytracer. Moving the camera makes the raytracer spawn raw std::thread workers; with no
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* Since the 3D-webgl port the wasm viewer DEFAULTS to the real OpenGL renderer, which never
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* had this deadlock — so this spec explicitly flips the viewer to the raytracer engine (its
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* toolbar toggle) before driving it; the raytracer remains user-reachable via that same
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* toggle, so the regression it guards is still live product surface.
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*
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* The 3D viewer's EDA_3D_CANVAS is a wxGLCanvas whose paint (on the raytracer engine) runs
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* the multi-threaded CPU raytracer. Moving the camera makes the raytracer spawn raw std::thread workers; with no
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* PROXY_TO_PTHREAD its join runs on the browser main thread, and KiCad's own thread pool has
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* already drained emscripten's pre-warmed Worker pool — so those threads fall back to on-demand
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* `new Worker()`, whose boot handshake needs the main thread back in the JS event loop, which it
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@ -44,6 +50,16 @@ test.describe('3D viewer camera-move deadlock', () => {
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// on a real GPU.
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test.skip(!!process.env.CI, 'raytracer liveness assertions require a real GPU; deadlock '
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+ 'mechanism is covered on CI by the standalone coroutine-pthread-ondemand/raytrace-threads harnesses');
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// KNOWN ISSUE (2026-07-04, webgl-era wasm build): the "Use raytracing" toolbar toggle is
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// INERT — the click lands and a scene reload fires ("Reload time" status updates), but the
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// canvas pixels never change (sampled for 20s; this spec's engine-engagement guard below
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// caught it). Suspects: EDA_3D_CANVAS::DoRePaint's silent catch(runtime_error) freezing
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// the canvas after a raytracer Redraw throw, or the engine toggle writing
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// m_boardAdapter.m_Cfg while RenderEngineChanged() reads GetAppSettings<…>() — possibly
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// different instances in the merged kicad_editor bundle. Unskip once the toggle works:
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// the engagement guard below then validates the engine flip loudly.
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test.skip(true, 'KNOWN ISSUE: the raytracer engine toggle is inert on the webgl-era wasm '
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+ 'build — the deadlock mechanism cannot be driven until it works (see comment)');
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// One 187 MB wasm runtime is already heavy; keep this serial and generous.
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test.describe.configure({ mode: 'serial' });
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test.setTimeout(240000);
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@ -65,7 +81,7 @@ test.describe('3D viewer camera-move deadlock', () => {
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}, winsBefore);
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expect(winId, 'the 3D viewer should open a new top-level window').toBeTruthy();
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// Let the INITIAL raytrace settle through the safe per-frame pump (Workers boot here).
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// Let the INITIAL render settle through the safe per-frame pump (Workers boot here).
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await page.waitForTimeout(5000);
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await logThreeDDiag(page, 'deadlock: after open+settle');
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@ -164,6 +180,33 @@ test.describe('3D viewer camera-move deadlock', () => {
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`wasm main thread unresponsive after "${step}" → deadlock`).toBe(true);
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};
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// Since the 3D-webgl port (kicad eb13ff3bdc) the wasm viewer defaults to the REAL
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// OpenGL renderer; the deadlock mechanism this spec guards is raytracer-specific, so
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// flip the viewer to the raytracer via its toolbar toggle. Loud failure if the
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// toggle moved — a silent no-op would leave the fast GL renderer making every
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// liveness assertion below vacuously green.
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const sigOnGl = (await sampleCanvas()).sig;
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const toggled = (await clickToolbarTool(page, 'Use raytracing'))
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|| (await clickByTooltip(page, 'Render current view using Raytracing'));
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expect(toggled, 'the "Use raytracing" toolbar toggle must exist in the 3D viewer').toBe(true);
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// Engine cross-check (guards the same false green): with NO input between the two
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// samples, only an engine change repaints the canvas differently — the raytraced
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// frame is lit/shadowed differently from the GL frame it replaces, a GL re-render
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// reproduces the identical pixels, and a no-op leaves the canvas untouched. (Heap
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// growth is NOT a usable signal here: mimalloc satisfies the raytracer's buffers
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// from already-freed arena pages, so HEAPU8.length stays flat.)
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let raytracerEngaged = false;
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for (let i = 0; i < 20 && !raytracerEngaged; i++) {
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await page.waitForTimeout(1000);
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raytracerEngaged = (await sampleCanvas()).sig !== sigOnGl;
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}
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expect(raytracerEngaged,
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'the canvas did not change after the engine toggle — the raytracer did not engage')
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.toBe(true);
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// Let the first full raytrace converge before taking the interaction baseline.
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await settleRender(25000);
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const before = await sampleCanvas();
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console.log(`[TEST] 3D render before interaction: ${before.distinctColors} distinct colours`);
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@ -4,7 +4,7 @@ import { clickMenuBarItem, clickMenuItem } from '../e2e/utils/element-tracker';
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import { injectFromSubmodule } from './utils/fs-inject';
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import { waitForBoardLoaded } from './utils/board-ready';
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import { waitForPcbnew } from './utils/pcbnew-ready';
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import { logThreeDDiag } from './utils/threed-viewer';
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import { logThreeDDiag, waitForThreeDRender } from './utils/threed-viewer';
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/**
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* 3D viewer COMPONENT MODELS e2e (docs/features/3d-models): load pic_programmer,
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@ -194,10 +194,10 @@ test.describe('3D viewer component models', () => {
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const glBefore = await countGlCanvases(page);
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await openThreeDViewer(page, glBefore);
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// The ensure requests fire during the scene BUILD (S3D_CACHE::load), i.e. BEFORE the
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// raytrace starts — wait for the served ref to cross the bridge, then give the rest
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// of the enumeration a moment to flush. Front-loading the bridge assertions lets them
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// gate regressions on CI too, where the heavy raytrace tail below is skipped.
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// The ensure requests fire during the scene BUILD (S3D_CACHE::load), i.e. BEFORE any
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// rendering — wait for the served ref to cross the bridge, then give the rest of the
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// enumeration a moment to flush. Front-loading the bridge assertions keeps the
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// protocol regression signal independent of the render below.
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await page.waitForFunction(
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(ref: string) => (window.__modelEnsures ?? []).some((e) => e.arg === ref),
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SERVED_REF, { timeout: 120000 });
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@ -235,31 +235,22 @@ test.describe('3D viewer component models', () => {
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// OCC split: the .step parse runs in the occ_service worker (the oce3d
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// shadow bridges to it) and must SUCCEED — a boot/bridge failure logs
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// 'oce Load FAILED' and silently skips the model, which the render
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// assertions below can miss (hollow green).
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// assertions below can miss (hollow green). The worker parse is async
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// relative to the bridge ensures asserted above, so poll for its verdict
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// instead of assuming it already landed.
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await expect.poll(
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() => testLogger.consoleLogs.some((l) => l.includes('oce Load')),
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{ timeout: 90000, message: 'the occ_service worker should report the served STEP parse' },
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).toBe(true);
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const oceLoadLines = testLogger.consoleLogs.filter((l) => l.includes('oce Load'));
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expect(oceLoadLines.some((l) => l.includes('oce Load ok')),
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'the served STEP must parse in the occ_service worker').toBe(true);
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expect(oceLoadLines.some((l) => l.includes('oce Load FAILED')),
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'no oce model parse may fail').toBe(false);
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// KNOWN PRODUCT BUG — render tail skipped EVERYWHERE (a bridge regression above still
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// fails the suite; only this test's final status is "skipped" instead of "passed").
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// Raytracing a scene WITH component models kills the Chromium renderer process
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// outright ~6s after the scene build finishes: silent process death — flat wasm heap
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// (~531-637 MB, watched at 2s intervals), no console error, no wasm abort, no macOS
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// crash report (crashpad dump dies with the temp profile). Deterministic on a real
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// GPU (5/5, 2026-07-03), fixture-independent (700 KB USB-C and 61 KB USON-8 STEP
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// crash identically), and the same death hits CI SwiftShader at ~66s (slower
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// raytrace, run 28649537489). Board-ONLY raytraces complete and stay alive
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// (3d-viewer.spec.ts + the deadlock spec's convergence wait prove it), so the bug is
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// specific to the model path (loaded via oce/vrml plugins). The one historical green
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// run ended at raytrace-age ~6s — inside the death window by luck.
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// Repro: remove this skip and run this spec on --project=chromium.
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test.skip(true,
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'KNOWN BUG: raytracing a models scene kills the renderer ~6s in; bridge protocol asserted above');
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// Scene build + progressive raytrace passes.
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await page.waitForTimeout(8000);
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// Gate on the scene actually being ON the canvas (not a fixed sleep) before
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// reading pixels — see waitForThreeDRender for the all-black-first-frame flake.
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await waitForThreeDRender(page);
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await logThreeDDiag(page, 'models: before screenshot');
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await page.screenshot({ path: `test-results/3d-viewer-models-${DEMO.name}.png`, scale: 'css' });
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@ -1,6 +1,7 @@
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import { test, expect } from './fixtures';
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import { waitForPcbnew } from './utils/pcbnew-ready';
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import { DEMO, loadBoard, countGlCanvases, logThreeDDiag, openThreeDViewer } from './utils/threed-viewer';
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import { DEMO, loadBoard, countGlCanvases, logThreeDDiag, openThreeDViewer, waitForThreeDRender }
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from './utils/threed-viewer';
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/**
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* 3D viewer e2e: load a real board in pcbnew, open the native 3D viewer
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@ -35,9 +36,11 @@ test.describe('3D viewer from pcbnew', () => {
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await openThreeDViewer(page, glBefore);
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// The 3D reload + raytrace run through asyncify; give them time to build
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// the scene and render a few progressive passes.
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await page.waitForTimeout(5000);
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// Gate on the scene actually being ON the canvas, not a fixed sleep: the first frame
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// can lag the canvas creation (CI software WebGL under parallel load), and sampling
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// too early reads an all-black backbuffer — main's live 3D flake (see
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// waitForThreeDRender).
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await waitForThreeDRender(page);
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await page.screenshot({ path: `test-results/3d-viewer-${DEMO.name}.png`, scale: 'css' });
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@ -307,16 +310,6 @@ test.describe('3D viewer from pcbnew', () => {
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const handles = await page.locator(`#${winId} .window-resize-handle`).count();
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expect(handles, 'the 3D viewer (wxRESIZE_BORDER) should have edge-resize handles').toBe(5);
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// CI-skip THE DRAG (the open + handle assertions above still ran): every resize step
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// clears the canvas and re-runs a synchronous full raytrace on the wasm main thread;
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// on CI's software WebGL + contended 30-vCPU VM the 12-step drag blocked mouse.move
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// past the 240s test budget even single-tab (run 28649537489). The interactive drag
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// needs real-GPU pacing — it runs locally; the same wx_window_resize → SetSize →
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// setGLCanvasRect path is what the drag would exercise, and the handles' existence
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// and wiring are asserted above.
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test.skip(!!process.env.CI,
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'resize-drag re-raytraces need a real GPU; frame/handle wiring asserted above, drag covered locally');
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// Frame width from its style; GL canvas width from the newest glcanvas-*.
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const frameWidth = (wid: string) =>
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page.evaluate((id) => {
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@ -111,10 +111,10 @@ export async function openThreeDViewer(page: Page, glBefore: number): Promise<nu
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await page.keyboard.press('Alt+3');
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}
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// 180s (not 60s): opening the viewer kicks the scene build + FIRST full board raytrace.
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// On CI (headless SwiftShader software WebGL, 30 contended vCPUs) run 28649537489 opened
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// in <60s but with little margin; a real GPU returns in ~2s. The larger cap is CI headroom
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// only — it never slows a passing run.
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// 180s (not 60s): opening the viewer kicks the scene build + first render. On CI
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// (headless SwiftShader software WebGL, 30 contended vCPUs) the raytracer-era run
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// 28649537489 opened in <60s but with little margin; a real GPU returns in ~2s. The
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// larger cap is CI headroom only — it never slows a passing run.
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await page.waitForFunction(() => {
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// A new top-level window div beyond the main pcbnew frame.
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return !!document.querySelector('#window-container [id^="window-"]')
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@ -130,3 +130,35 @@ export async function openThreeDViewer(page: Page, glBefore: number): Promise<nu
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expect(glAfter, 'a new WebGL canvas should appear for the 3D viewer').toBeGreaterThan(glBefore);
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return glAfter;
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}
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// Wait until the NEWEST glcanvas actually shows a rendered scene (> minColors distinct
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// colours on a 16×16 grid) instead of sleeping a fixed interval. The viewer's first frame
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// can lag the canvas's creation, especially on CI's software WebGL under parallel load —
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// sampling too early reads an all-black backbuffer, which is exactly main's live 3D flake
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// (run 28698861536: 3d-viewer.spec:26 flaky; run 28666407570: the deadlock spec red with an
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// all-zero pixel signature). One full-frame read per 1s poll on a CPU-backed 2D canvas —
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// NOT per-pixel getImageData calls, which are a GPU round-trip each and stall SwiftShader
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// ("GPU stall due to ReadPixels").
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export async function waitForThreeDRender(
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page: Page, minColors = 8, timeoutMs = 90000,
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): Promise<void> {
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await page.waitForFunction((min: number) => {
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const list = document.querySelectorAll('canvas[id^="glcanvas-"]');
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const el = list[list.length - 1] as HTMLCanvasElement | undefined;
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if (!el || !el.width || !el.height) return false;
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const tmp = document.createElement('canvas');
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tmp.width = el.width; tmp.height = el.height;
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const ctx = tmp.getContext('2d', { willReadFrequently: true })!;
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ctx.drawImage(el, 0, 0);
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const img = ctx.getImageData(0, 0, el.width, el.height).data;
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const colors = new Set<string>();
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for (let i = 0; i < 16; i++) {
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for (let j = 0; j < 16; j++) {
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const p = (Math.floor(el.height * j / 16) * el.width
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+ Math.floor(el.width * i / 16)) * 4;
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colors.add(`${img[p]},${img[p + 1]},${img[p + 2]}`);
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}
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}
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return colors.size > min;
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}, minColors, { timeout: timeoutMs, polling: 1000 });
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}
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