lectom
bedb357259
git-subtree-dir: apps/viewer-3d git-subtree-mainline:5e10bb1be4git-subtree-split:a71790070d
96 lines
3.9 KiB
JavaScript
96 lines
3.9 KiB
JavaScript
#!/usr/bin/env node
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/**
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* tools/adaptive-smoke.mjs — empirically trigger the adaptive-quality downstep.
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*
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* Loads a heavy sample in headless Chrome (software GL = slow) + applies a CDP
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* CPU throttle so the REAL measured fps sustains < 60. Captures the genuine
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* `[hmwebviewer] adaptive quality -> tier N (pr=..)` console logs emitted by
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* src/viewer/adaptiveQuality.ts, plus the live #.fps overlay text. Proves the
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* <60fps → optimize path fires on real frame measurement (no logic patched).
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*
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* USAGE: node tools/adaptive-smoke.mjs [--url URL] [--asset PATH] [--throttle N] [--seconds S]
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*/
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import puppeteer from 'puppeteer-core';
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import { existsSync } from 'node:fs';
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const CHROME_CANDIDATES = [
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'C:/Program Files/Google/Chrome/Application/chrome.exe',
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'C:/Program Files (x86)/Google/Chrome/Application/chrome.exe',
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'C:/Program Files (x86)/Microsoft/Edge/Application/msedge.exe',
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];
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function findBrowser() {
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if (process.env.PUPPETEER_EXECUTABLE_PATH && existsSync(process.env.PUPPETEER_EXECUTABLE_PATH)) return process.env.PUPPETEER_EXECUTABLE_PATH;
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for (const p of CHROME_CANDIDATES) if (existsSync(p)) return p;
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return null;
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}
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function parseArgs(argv) {
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const a = argv.slice(2);
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let url = 'http://127.0.0.1:4173', asset = '/samples/ABeautifulGame.ktx2.glb', throttle = 6, seconds = 25;
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for (let i = 0; i < a.length; i++) {
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if (a[i] === '--url') url = a[++i];
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else if (a[i] === '--asset') asset = a[++i];
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else if (a[i] === '--throttle') throttle = Number(a[++i]);
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else if (a[i] === '--seconds') seconds = Number(a[++i]);
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}
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return { url, asset, throttle, seconds };
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}
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const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
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async function main() {
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const o = parseArgs(process.argv);
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const exe = findBrowser();
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if (!exe) { console.error('[adaptive-smoke] No Chrome/Edge found.'); process.exit(1); }
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const browser = await puppeteer.launch({
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executablePath: exe,
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headless: 'new',
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args: ['--no-sandbox', '--use-gl=swiftshader', '--enable-webgl', '--ignore-gpu-blocklist'],
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});
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const page = await browser.newPage();
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const tierLogs = [];
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page.on('console', (m) => {
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const t = m.text();
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if (t.includes('adaptive quality')) { tierLogs.push(t); console.log(' LOG ' + t); }
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});
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await page.evaluateOnNewDocument(() => {
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window.__hmwReady = null;
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window.addEventListener('hmw:ready', (e) => { window.__hmwReady = e.detail; });
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});
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const target = o.url + '?model=' + o.asset;
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console.log('[adaptive-smoke] ' + target + ' throttle=' + o.throttle + 'x watch=' + o.seconds + 's browser=' + exe);
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await page.goto(target, { waitUntil: 'domcontentloaded', timeout: 30000 });
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await page.waitForFunction('window.__hmwReady != null', { timeout: 60000 });
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console.log('[adaptive-smoke] model loaded; applying CPU throttle + watching fps...');
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const client = await page.target().createCDPSession();
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await client.send('Emulation.setCPUThrottlingRate', { rate: o.throttle });
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const start = Date.now();
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while (Date.now() - start < o.seconds * 1000) {
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await sleep(2000);
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const state = await page.evaluate(() => {
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const el = document.querySelector('.fps');
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return { fps: el ? el.textContent : '(no overlay)', pr: window.__viewer ? undefined : undefined };
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});
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console.log(' t+' + Math.round((Date.now() - start) / 1000) + 's overlay=' + state.fps + ' tierSteps=' + tierLogs.length);
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if (tierLogs.length >= 3) break; // enough proof
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}
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await browser.close();
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console.log('\n[adaptive-smoke] tier-change log lines captured: ' + tierLogs.length);
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tierLogs.forEach((l) => console.log(' ' + l));
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if (tierLogs.length === 0) {
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console.error('[adaptive-smoke] NO downstep observed — fps stayed >=60 (raise --throttle or use a heavier asset).');
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process.exit(2);
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}
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console.log('[adaptive-smoke] PASS — adaptive quality degraded on sustained <60fps.');
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}
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main().catch((e) => { console.error('[adaptive-smoke] Fatal: ' + (e && e.stack ? e.stack : e)); process.exit(1); });
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