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conformance · v139

v139 · webgpu-compatibility-mode — conformance probe

6 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.

browser: spec: https://www.w3.org/TR/webgpu/#dom-gpu-requestadapter chromestatus: #6436406437871616 generated 2026-06-02T08:08:51Z by conformance-author-codex
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id contract kind verdict detail
navigator-gpu-exposed navigator.gpu is the entry point for requesting a compatibility adapter. spec ↗ exists
requestadapter-is-function navigator.gpu.requestAdapter is a function that accepts adapter request options. spec ↗ typeof
requestadapter-compatibility-returns-promise requestAdapter({ featureLevel: 'compatibility' }) returns a Promise. spec ↗ script
requestadapter-compatibility-does-not-throw Passing featureLevel: 'compatibility' is accepted and resolves to null or a GPUAdapter. spec ↗ script
gpuadapter-interface-exposed GPUAdapter is exposed as the object type returned by successful adapter requests. spec ↗ exists
requestadapter-default-still-returns-promise Calling requestAdapter() with no featureLevel still returns a Promise for the core path. spec ↗ script