Contact emailsfbeauf...@google.com

ExplainerNone

Specificationhttps://gpuweb.github.io/gpuweb/#navigator-gpu

Summary

Functionality added to the WebGPU spec after its first shipment in a
browser. ServiceWorker and SharedWorker support is added to WebGPU,
aligning with existing WebGL capabilities.

Blink componentBlink>WebGPU
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EWebGPU>

TAG reviewNone

TAG review statusNot applicable

Risks


Interoperability and Compatibility

ServiceWorker and SharedWorker support have not yet been implemented in any
browser, but have been approved by the GPU for the Web Community Group,
with representatives from Chrome, Firefox, and Safari. See minutes at
https://docs.google.com/document/d/15w7nsvqWwITA5yvCrsO3SEIEuZziXzj7YsrHN4Jd2uM/edit#heading=h.jbe7pg8ebd43

*Gecko*: No signal (
https://github.com/mozilla/standards-positions/issues/971)

*WebKit*: No signal (
https://github.com/WebKit/standards-positions/issues/294#issuecomment-1877411933
)

*Web developers*: Positive (https://github.com/gpuweb/gpuweb/issues/4197)

*Other signals*:

WebView application risks

Does this intent deprecate or change behavior of existing APIs, such that
it has potentially high risk for Android WebView-based applications?

None


Debuggability

None


Will this feature be supported on all six Blink platforms (Windows, Mac,
Linux, ChromeOS, Android, and Android WebView)?No
All platforms will eventually have support. Will immediately be available
on Android, ChromeOS, Mac, and Windows, since those platforms already
support WebGPU. Linux is planned to have WebGPU support in the future, so
this feature will become available when WebGPU does.

Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
?Yes

WebGPU/WGSL have a conformance test suite (https://github.com/gpuweb/cts)
that is regularly pulled into Chromium and part of the testing of Dawn/Tint
in Chromium. PRs: https://github.com/gpuweb/cts/pull/3419 -
https://github.com/gpuweb/cts/pull/3345


Flag name on chrome://flagsNone

Finch feature nameWebGPUExperimentalFeatures

Requires code in //chrome?False

Tracking bughttps://bugs.chromium.org/p/chromium/issues/detail?id=1521763

Estimated milestones
Shipping on desktop 124
Shipping on Android 124

Anticipated spec changes

Open questions about a feature may be a source of future web compat or
interop issues. Please list open issues (e.g. links to known github issues
in the project for the feature specification) whose resolution may
introduce web compat/interop risk (e.g., changing to naming or structure of
the API in a non-backward-compatible way).
None

Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/4875951026733056

Links to previous Intent discussionsIntent to prototype:
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAPpwU5%2BewUL-PTEQ_ZQgdtViKU2fSVXeDNab2oEy6RsGqkgcGQ%40mail.gmail.com

This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.

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