LGTM1 On Monday, March 24, 2025 at 10:13:11 AM UTC-4 François Beaufort wrote:
> Contact emailsfbeauf...@google.com > > ExplainerThe GPUAdapter isFallbackAdapter boolean attribute currently > shipped in Chrome browser only does not allow libraries that take > user-provided GPUDevice objects from accessing this information through the > adapterInfo attribute on GPUDevice. Adding a GPUAdapterInfo > isFallbackAdapter boolean attribute solves this problem. > Note that GPUAdapter isFallbackAdapter usage is being measured to > determine if it can be deprecated and removed, as Chrome has not yet > shipped support for fallback adapters. > > https://github.com/gpuweb/gpuweb/pull/5099 > > Specification > https://gpuweb.github.io/gpuweb/#dom-gpuadapterinfo-isfallbackadapter > > Summary > > Functionality added to the WebGPU spec after its first shipment in a > browser. The GPUAdapterInfo isFallbackAdapter boolean attribute indicates > if an adapter has significant performance limitations in return for wider > compatibility, more predictable behavior, and/or improved privacy. Note > that a fallback adapter may not be present on all systems. > > Blink componentBlink>WebGPU > <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EWebGPU%22> > > TAG reviewNone > > TAG review statusNot 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-2025-03-05#move-isfallbackadapter-into-gpuadapterinfo-4971 > > and https://github.com/gpuweb/gpuweb/pull/5099#issuecomment-2737426600 > > *Gecko*: No signal Mozilla members have requested during weekly > standardization meetings that we don't file standard positions anymore as > we reached Candidate Recommendation (CR) status. > > *WebKit*: Closed Without a Position ( > https://github.com/WebKit/standards-positions/issues/294#issuecomment-1877411933 > ) > > *Web developers*: Positive (https://github.com/gpuweb/gpuweb/issues/4971) > > *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 at https://github.com/gpuweb/cts/issues/2356 > > > Flag name on about://flagsExperimental Web Platform Features > > Finch feature nameWebGPUAdapterInfoIsFallbackAdapter > > Requires code in //chrome?False > > Tracking bughttps://issues.chromium.org/issues/403172841 > > 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/5188955424948224?gate=5167533973569536 > > 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/c3deaa0e-9ec3-42cb-80f7-d6f735bdb60dn%40chromium.org.
