Contact emails
[email protected]

Explainer
None


Specification
https://www.w3.org/TR/webgpu/#texture-formats-tier1


Summary
Extend GPU texture format support with capabilities like render attachment, 
blending, multisampling, resolve and storage_binding.


Blink component
Blink>WebGPU


Web Feature ID
webgpu


TAG review
None


TAG review status
Not applicable


Risks




Interoperability and Compatibility
None

Gecko: No signal (https://github.com/mozilla/standards-positions/issues/1205)

WebKit: Closed Without a Position 
(https://github.com/WebKit/standards-positions/issues/294#issuecomment-1877411933)

Web developers: Positive (https://github.com/gpuweb/gpuweb/issues/3837)

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)?
NoAll platforms will eventually have support. Will immediately be available on 
Android, Android WebView, 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?
YesWebGPU/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. While the CTS can be embedded in WPT, the WebGPU team opted to keep 
it separate in Chromium testing to use a customized harness for robustness and 
performance. All the tests about this feature in WebGPU CTS can be found 
through 
https://github.com/search?q=repo%3Agpuweb%2Fcts+texture-formats-tier&type=code


Flag name on about://flags
Enable Unsafe WebGPU


Finch feature name
WebGPU.Enabled:UnsafeFeatures


Rollout plan
Will ship enabled for all users


Requires code in //chrome?
False


Tracking bug
https://issues.chromium.org/issues/445725447


Estimated milestones


Shipping on desktop 142

Shipping on Android 142

Shipping on WebView 142




Anticipated spec changes

Open questions about a feature may be a source of future web compat or interop 
issues. Please list open issues (eg links to known github issues in the project 
for the feature specification) whose resolution may introduce web 
compat/interop risk (eg, 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/5116926821007360?gate=5198559351799808


This intent message was generated by Chrome Platform Status.

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