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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172// Probes whether navigator.gpu initializes in a Playwright browser on this// host's software Vulkan driver, and if so what adapter it reports.// Requires a page served over http(s) (localhost counts) -- WebGPU is gated// behind a secure context, and Chromium does not treat about:blank as one.// Usage: node probe-browser-webgpu.cjs <chromium|firefox|webkit> <url>const { chromium, firefox, webkit } = require('playwright');
const browsers = { chromium, firefox, webkit };
async function main() { const name = process.argv[2] || 'chromium'; const url = process.argv[3] || 'http://localhost:8842/'; const launcher = browsers[name]; if (!launcher) { console.error(`unknown browser: ${name}`); process.exit(1); }
const launchArgs = name === 'chromium' ? [ '--enable-unsafe-webgpu', '--enable-features=Vulkan', '--use-angle=vulkan', '--use-gl=angle', '--use-vulkan=native', '--ignore-gpu-blocklist', ] : []; // Firefox does not enable WebGPU by default even when it's compiled in. const firefoxUserPrefs = name === 'firefox' ? { 'dom.webgpu.enabled': true } : undefined;
const browser = await launcher.launch({ headless: true, args: launchArgs, firefoxUserPrefs }); try { const page = await browser.newPage(); page.on('console', msg => console.log(`[console] ${msg.text()}`)); await page.goto(url); const result = await page.evaluate(async () => { if (!('gpu' in navigator)) { return { hasGpu: false }; } const adapter = await navigator.gpu.requestAdapter(); if (!adapter) { return { hasGpu: true, adapter: null }; } let info = undefined; try { info = adapter.info ?? (adapter.requestAdapterInfo ? await adapter.requestAdapterInfo() : undefined); } catch (e) { info = { error: String(e) }; } return { hasGpu: true, adapter: { vendor: info?.vendor, architecture: info?.architecture, device: info?.device, description: info?.description, }, }; }); console.log(`browser=${name} version=${browser.version()}`); console.log(JSON.stringify(result, null, 2)); } finally { await browser.close(); }}
main().catch(e => { console.error(e); process.exit(1);});