LGTM2 On Mon, Sep 7, 2026 at 5:22 PM Philip Jägenstedt <[email protected]> wrote:
> LGTM1 > > On Fri, Sep 4, 2026 at 10:39 PM Chromestatus < > [email protected]> wrote: > >> *Contact emails* >> [email protected] >> >> *Specification* >> >> https://html.spec.whatwg.org/multipage/canvas.html#colour-spaces-and-colour-correction >> >> *Summary* >> Add srgb-linear and display-p3-linear color spaces (as defined by CSS) to >> PredefinedColorSpace for use with canvases. >> >> *Blink component* >> Blink>Canvas >> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ECanvas%22> >> >> *Web Feature ID* >> canvas-2d-color-management >> <https://webstatus.dev/features/canvas-2d-color-management> >> >> *Motivation* >> Linear color spaces (where pixel values correspond linearly to luminance) >> are extremely commonly used in applications with connections to physical >> light rendering (e.g, games) or spatial processing (e.g, decimation, >> anti-aliasing, and interpolation). >> >> *Initial public proposal* >> *No information provided* >> >> *TAG review* >> https://github.com/w3ctag/design-reviews/issues/1194 (Note that this is >> for the full HDR on the web project, which this is a part of) >> >> *TAG review status* >> Issues addressed >> >> *Goals for experimentation* >> None >> >> *Risks* >> >> >> *Interoperability and Compatibility* >> *No information provided* >> >> *Gecko*: No signal >> >> *WebKit*: Positive Suggested by WebKit, already implemented in WebKit. >> >> *Web developers*: Positive Partners have repeatedly requested linear >> working color spaces >> >> *Other signals*: >> >> *Ergonomics* >> None >> >> *Activation* >> None >> >> *Security* >> None >> >> *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* >> The corresponding CSS color spaces are supported in DevTools (DevTools >> does not have any features related to canvas bitmap color spaces). >> >> *Will this feature be supported on all six Blink platforms (Windows, Mac, >> Linux, ChromeOS, Android, and Android WebView)?* >> Yes >> >> *Is this feature fully tested by web-platform-tests >> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?* >> Yes >> API tests (setting and getting): >> https://wpt.fyi/results/html/canvas/element/manual/context-attributes/getContextAttributes.html >> Draw-and-readback tests: >> https://wpt.fyi/results/?label=experimental&label=master&aligned&q=2d.color.space >> Chromium CLs: >> https://chromium-review.git.corp.google.com/c/chromium/src/+/8313909 >> Roundtrip tests (toDataURL, toBlob, etc): >> https://chromium-review.git.corp.google.com/c/chromium/src/+/8312949 >> https://chromium-review.git.corp.google.com/c/chromium/src/+/8314209 >> >> *Flag name on about://flags* >> *No information provided* >> >> *Finch feature name* >> ColorSpacePredefinedLinearSpaces >> >> *Rollout plan* >> Will ship enabled for all users >> >> *Requires code in //chrome?* >> False >> >> *Tracking bug* >> https://issuetracker.google.com/issues/454152417 >> >> *Availability expectation* >> Feature is available on Web Platform Baseline within 12 months of launch >> in Chrome. >> >> *Adoption expectation* >> Feature is considered a best practice for some use case within 12 months >> of reaching Web Platform baseline. This is a very common space for >> physically-based rendering applications in WebGL and WebGPU. >> >> *Adoption plan* >> None. >> >> *Non-OSS dependencies* >> >> Does the feature depend on any code or APIs outside the Chromium open >> source repository and its open-source dependencies to function? >> None >> >> *Estimated milestones* >> Shipping on desktop 155 >> Shipping on Android 155 >> Shipping on WebView 155 >> >> *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). >> A further color space in this class (either rec2100-linear or >> rec2020-linear) has been requested but is not added in this feature. That >> particular space has controversies that neither of these do, which we need >> to be very careful to get right. >> >> *Link to entry on the Chrome Platform Status* >> https://chromestatus.com/feature/5122501071994880?gate=6522766912258048 >> >> 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/6a9b2c7c.81999fdc.db953.0248.GAE%40google.com >> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/6a9b2c7c.81999fdc.db953.0248.GAE%40google.com?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/CAARdPYcZxSK2bsWDyVTS%3DKt5g3ZW68xMT94dvafwo5WAB667BA%40mail.gmail.com > <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAARdPYcZxSK2bsWDyVTS%3DKt5g3ZW68xMT94dvafwo5WAB667BA%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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