LGTM1
On 9/18/25 9:49 p.m., Chromestatus wrote:
*Contact emails*
shanxing....@intel.com
*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
<https://issues.chromium.org/issues?q=customfield1222907:%22Blink>WebGPU%22>
*Web Feature ID*
webgpu <https://webstatus.dev/features/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
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?*
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
<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 (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/5116926821007360?gate=5198559351799808
This intent message was generated by Chrome Platform Status
<https://chromestatus.com>.
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