LGTM2

On Fri, Apr 11, 2025 at 7:09 AM Domenic Denicola <dome...@chromium.org>
wrote:

> 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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>>> .
>>>
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