LGTM1. Although, it would be good to have a canonical place to link to for 
that Mozilla meta-position, just like you are already doing for the WebKit 
meta-position.

On Thursday, April 10, 2025 at 1:25:24 AM UTC+9 fbea...@google.com wrote:

> On Wed, Apr 9, 2025 at 5:59 PM Daniel Bratell <bratel...@gmail.com> wrote:
>
>> * 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.) *
>>
>> Doesn't this part creates a bit of a chicken-egg problem? Or am I 
>> misunderstanding the process. Does it just mean that Mozilla has delegated 
>> all this to their WebGPU spec representatives?
>>
>
> Sorry. it should have said: "Mozilla members have requested during weekly 
> standardization meetings that we don't file standard positions anymore as 
> we reached Candidate Recommendation (CR) status."
>  
>
>> /Daniel
>> On 2025-04-02 12:18, 'François Beaufort' via blink-dev wrote:
>>
>> Contact emails 
>>
>> fbeauf...@google.com
>>
>> 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/>.
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>>  
>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAPpwU5JF6TSbcO1KSF_i70Q5YTRoxc6D6h9hECw9RxD%3DV0erQg%40mail.gmail.com?utm_medium=email&utm_source=footer>
>> .
>>
>>

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