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Explainer Some developers using WebGPU for video effects pipelines have proposed allowing a compatible GPUTextureView (2D, single subresource) to be used in place of a GPUExternalTexture binding. This would simplify their shader logic, which currently needs to handle both GPUExternalTexture (for source video) and GPUTextureView (for intermediate processing) and reduce the need to dynamically compile shaders depending on where the texture comes from. https://github.com/gpuweb/gpuweb/pull/5079 Specification https://gpuweb.github.io/gpuweb/#ref-for-dom-gpubindgrouplayoutentry-externaltexture%E2%91%A6 Summary Functionality added to the WebGPU spec after its first shipment in a browser. A GPUTextureView is now allowed to be used for an externalTexture binding when creating a GPUBindGroup. Blink component Blink>WebGPU <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EWebGPU> TAG review None TAG review status Not applicable Risks Interoperability and Compatibility This feature has not yet been implemented in any browser. It has been approved by the GPU for the Web Community Group, with representatives from Chrome, Firefox, and Safari. See minutes at https://github.com/gpuweb/gpuweb/wiki/GPU-Web-2025-02-19#add-gputextureview-support-to-importexternaltexture-5068 and https://github.com/gpuweb/gpuweb/wiki/GPU-Web-2025-03-19#allow-using-a-texture-view-for-an-externaltexture-binding-5079 Gecko: No signal (Mozilla members have requested during weekly standardization meetings that we postpone filing standard positions until we reach Candidate Recommendation (CR) status in Q4.) WebKit: Positive ( https://github.com/WebKit/standards-positions/issues/294#issuecomment-1877411933 ) Web developers: Positive (https://github.com/gpuweb/gpuweb/issues/4504) 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, 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> ? 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. 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 the below links: https://github.com/gpuweb/cts/pull/4304 and https://github.com/gpuweb/cts/pull/4306 Finch feature name WebGPU.Enabled:EnabledToggles Requires code in //chrome? False Tracking bug https://issues.chromium.org/issues/398752857 Estimated milestones No milestones specified 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/5106732252266496?gate=5112699639562240 This intent message was generated by Chrome Platform Status <https://chromestatus.com/>. -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to blink-dev+unsubscr...@chromium.org. To view this discussion visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAPpwU5JF6TSbcO1KSF_i70Q5YTRoxc6D6h9hECw9RxD%3DV0erQg%40mail.gmail.com.
