LGTM to extend till M114 inclusive On Tue, Dec 20, 2022 at 5:01 PM Corentin Wallez <cwal...@chromium.org> wrote:
> Hey all, > > Hopefully given that we intend to ship WebGPU > <https://groups.google.com/a/chromium.org/g/blink-dev/c/VomzPhvJCxI/m/SUhU9Z0vAgAJ> > this > will be the last Origin Trial extension request. The Origin Trial was > started in M95 and was extended until M109. We are asking for an extension > until M114 to cover the releases until the tentative target for shipment in > M113 (plus one release in case we slip). > > This is clearly a long Origin Trial but we would still like to extend it > because the burn-in risk is low (there as been basically 0 breaking changes > in the last extension, and none planned at the moment) and there are > multiple partners that would like to start experimenting with WebGPU in the > wild to start collecting data and issues. Extending the Origin Trial would > let them do that and kickstart their use of WebGPU once it is released. > > Contact emailscwal...@chromium.org, bclay...@google.com, > kain...@chromium.org > > Explainerhttps://gpuweb.github.io/gpuweb/explainer > > Specificationhttps://gpuweb.github.io/gpuweb > > Design docs > https://gpuweb.github.io/gpuweb > https://gpuweb.github.io/gpuweb/wgsl > https://gpuweb.github.io/gpuweb/explainer > > Summary > > The WebGPU API is the successor to the WebGL and WebGL 2 graphics APIs for > the Web. It provides modern features such as “GPU compute” as well as lower > overhead access to GPU hardware and better, more predictable performance. > WebGPU is being developed by the “GPU for the Web” W3C community group. > > > Blink componentBlink>WebGPU > <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EWebGPU> > > Search tagsgpu <https://chromestatus.com/features#tags:gpu>, webgl > <https://chromestatus.com/features#tags:webgl> > > TAG reviewhttps://github.com/w3ctag/design-reviews/issues/626 > > TAG review statusIssues addressed > > Risks > > > Interoperability and Compatibility > > With positive signals (and at least WIP implementations) from all browsers > and few unresolved issues in the spec repo, the compatibility risk is low > and mostly if other implementers find bugs in the spec as they flesh out > their WebGPU implementation. > > > *Gecko*: Positive (https://mozilla.github.io/standards-positions/#webgpu) > Development is also ongoing, see: > https://hg.mozilla.org/mozilla-central/file/tip/dom/webgpu > > *WebKit*: In development ( > https://github.com/WebKit/WebKit/tree/main/Source/WebGPU/WebGPU) Standard > position issue: https://github.com/WebKit/standards-positions/issues/107 > > *Web developers*: Strongly positive ( > https://doc.babylonjs.com/extensions/webgpu) Significant interest and > positive feedback from the many early adopters (Babylon.js, Earth, TF.js, > sokol-gfx, and many many others). > > *Other signals*: > > Activation > > WebGPU is not polyfillable on existing APIs and requires hardware support > on the system. (software fallback is not implemented yet). > > > Security > > See detailed security explainer: > https://gpuweb.github.io/gpuweb/#malicious-use > > > 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? > > > > Goals for experimentation > > Allow developers to use WebGPU and provide feedback on the API or the > shading language. We expect feedback about ergonomics, ease of use and easy > of porting existing content to WebGPU, and missing features. As well as > many bug reports :) Also help partners evaluate the performance of WebGPU > in the wild to figure out areas of the implementation to optimize before > launch. > > > Reason this experiment is being extended > > Origin trial may extend past the originally-planned M97, because of the > change in release cadence. > > > Ongoing technical constraints > > None > > > Debuggability > > Warnings and errors are exposed via dev tools. Specialized tools can be > built directly in JavaScript, integrated in applications or as devtools > extensions. > > > Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, Chrome OS, Android, and Android WebView)?No > > This feature will not be available on: - Windows 7 and 8 since they don't > have D3D12. Support will be extended to these versions of Windows after the > first version of WebGPU is shipped. (though they get software fallback) - > Android because adding Android support is a lot of engineering that we're > scheduling to happen after the release of WebGPU on desktop. - Non-ChromeOS > Linux due to dependencies on other reworks of the graphics stack there. > (though it will get software fallback) - Other devices that don't support > D3D12/Metal/Vulkan or don't have a GPU with good enough minimum > specifications.(maybe) The goal is that WebGPU will eventually be supported > in hardware on the vast majority of systems on all Blink OSes and have > software fallback on the others. In the short-term developers are expected > to feature detect whether WebGPU is supported by checking if > `navigator.gpu` exists and if `navigator.gpu.requestAdapter` resolves with > a non-null GPUAdapter. If WebGPU is not supported then falling back to > WebGL or another experience is appropriate. Long-term developers should be > able to expect that WebGPU is close to universally available (similar to > WebGL 2 today). > > > Is this feature fully tested by web-platform-tests > <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md> > ?Yes > > DevTrial instructions > https://github.com/gpuweb/gpuweb/wiki/Implementation-Status#chromium-chrome-edge-etc > > Flag name--enable-unsafe-webgpu > > Requires code in //chrome?False > > Tracking bughttps://bugs.chromium.org/p/chromium/issues/detail?id=1156646 > > Launch bughttps://bugs.chromium.org/p/chromium/issues/detail?id=1156661 > > Estimated milestones > OriginTrial desktop last 109 > OriginTrial desktop first 94 > > 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). > Some issues are still open for discussion on the WebGPU and WGSL > specification. They will all be solved by the time we ship WebGPU although > new issues can appear in the meantime: we definitely expect to have minor > spec bugs after shipping WebGPU but the overwhelming majority of the spec > should see no behavioral changes. > > Link to entry on the Chrome Platform Status > https://chromestatus.com/feature/6213121689518080 > > Links to previous Intent discussionsIntent to prototype: > https://groups.google.com/a/chromium.org/forum > Intent to Experiment: > https://groups.google.com/u/1/a/chromium.org/g/blink-dev/c/K4_egTNAvTs > Intent to Extend Experiment: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGdfWNMtD9aCpKFbC9HqHMaeSX_840ayvXcjFX2xMUt_MEN_XQ%40mail.gmail.com > Intent to Ship: > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGdfWNOERFV9DFZERpsP2T75g%3DF%2BwFquV1Oxdiea%2BvP4kKg4cw%40mail.gmail.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 on the web visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGdfWNOXrrDbMXARtTKzTWBFja_59K6dOVdSsf-0thD3cku05g%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGdfWNOXrrDbMXARtTKzTWBFja_59K6dOVdSsf-0thD3cku05g%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "blink-dev" group. 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