LGTM3 On Mon, May 18, 2026 at 5:44 PM Mike Taylor <[email protected]> wrote:
> Note: there's a new "Adoption" approval chip - can you please request it? > On 5/18/26 5:42 p.m., Mike Taylor wrote: > > LGTM2 > On 5/18/26 2:43 p.m., Alex Russell wrote: > > LGTM1 > > On Thursday, May 14, 2026 at 1:24:51 AM UTC-7 Chromestatus wrote: > >> *Contact emails* >> [email protected] >> >> *Explainer* >> https://github.com/gpuweb/gpuweb/blob/main/proposals/immediate-data.md >> >> *Specification* >> https://github.com/gpuweb/gpuweb/pull/5423 >> >> *Summary* >> Functionality added to the WebGPU spec after its first shipment in a >> browser. Adds a new immediate address space in WGSL and a >> setImmediateData() method on render pass, compute pass, and render bundle >> encoders that allows passing small amounts of frequently-updated data >> directly to shaders without creating GPU buffer objects or bind groups. >> This is particularly useful for applications that need to update per-draw >> parameters such as object indices, material indices, or transformation >> matrices every draw call, enabling significant performance improvements by >> avoiding buffer and bind group management overhead. >> >> *Blink component* >> Blink>WebGPU >> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EWebGPU%22> >> >> *Web Feature ID* >> webgpu <https://webstatus.dev/features/webgpu> >> >> *Motivation* >> This is particularly useful for applications that need to update per-draw >> parameters such as object indices, material indices, or transformation >> matrices every draw call, enabling significant performance improvements by >> avoiding buffer and bind group management overhead >> >> *Initial public proposal* >> https://github.com/gpuweb/gpuweb/pull/5423 >> >> *TAG review* >> *No information provided* >> >> *TAG review status* >> Pending >> >> *Goals for experimentation* >> None >> >> *Risks* >> >> >> *Interoperability and Compatibility* >> This feature has been approved in W3C GPU for the Web WG meetings >> including participants from WebKit and Firefox: >> https://github.com/gpuweb/gpuweb/pull/5423 >> >> *Gecko*: Positive ( >> https://github.com/gpuweb/gpuweb/pull/5423#pullrequestreview-42388072000) >> Approved >> related WebGPU spec PR. >> >> *WebKit*: Positive ( >> https://github.com/gpuweb/gpuweb/pull/5423#issuecomment-3499601340) (Link >> above is to near-final review.) Specification approval constitutes a >> positive signal, per >> https://github.com/WebKit/standards-positions/issues/294#issuecomment-1877411933 >> >> *Web developers*: Positive >> https://github.com/gpuweb/gpuweb/issues/75#issuecomment-1092445344 >> >> *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? >> *No information provided* >> >> >> *Debuggability* >> *No information provided* >> >> *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, where hardware >> support is available. 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. >> https://github.com/gpuweb/cts/pulls?q=is%3Apr+is%3Aclosed+immediates >> >> *Flag name on about://flags* >> *No information provided* >> >> *Finch feature name* >> UnsafeFeatures >> >> *Rollout plan* >> Will ship enabled for all users >> >> *Requires code in //chrome?* >> False >> >> *Tracking bug* >> https://issues.chromium.org/issues/366291600 >> >> *Availability expectation* >> All platforms will eventually have support. Will immediately be available >> on Android, Android WebView, ChromeOS, Mac, and Windows, where hardware >> support is available. Linux is planned to have WebGPU support in the >> future, so this feature will become available when WebGPU does. >> >> *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). >> *No information provided* >> >> *Link to entry on the Chrome Platform Status* >> https://chromestatus.com/feature/5199437611794432?gate=6420569794936832 >> >> 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 [email protected]. > To view this discussion visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/55f6c341-6dc1-4b39-905d-41e4d2058992n%40chromium.org > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/55f6c341-6dc1-4b39-905d-41e4d2058992n%40chromium.org?utm_medium=email&utm_source=footer> > . > > -- > 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 [email protected]. > To view this discussion visit > https://groups.google.com/a/chromium.org/d/msgid/blink-dev/66396ac7-f869-4811-adeb-102d1c5b36fd%40chromium.org > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/66396ac7-f869-4811-adeb-102d1c5b36fd%40chromium.org?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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