Thank you all! Requested the review for adoption, I had forgotten to request after creating the various tracking issues.
On Wed, Sep 23, 2026 at 5:11 PM Alex Russell <[email protected]> wrote: > Thanks for clarifying, Corentin. LGTM3. > > On Wednesday, September 23, 2026 at 8:06:03 AM UTC-7 Vladimir Levin wrote: > >> LGTM2. I think you already filled out the Adoption gate, but can you also >> request review (or NA) for it as well >> >> On Wednesday, September 23, 2026 at 10:59:26 AM UTC-4 Rick Byers wrote: >> >>> Seems like a minor (low-risk) but valuable change to me. LGTM1 >>> >>> On Mon, Sep 21, 2026 at 1:21 PM 'Corentin Wallez' via blink-dev < >>> [email protected]> wrote: >>> >>>> Hey Alex, >>>> >>>> Correct! It would improve the compression fidelity of these formats (so >>>> only the loss from the format is there, not the loss from resizing), which >>>> will allow uses in more places, resulting in GPU memory gains. (most >>>> commonly 4x, up to 16x). >>>> >>>> Cheers, >>>> >>>> Corentin >>>> >>>> On Mon, Sep 21, 2026 at 8:48 PM Alex Russell <[email protected]> >>>> wrote: >>>> >>>>> Hey Corentin, >>>>> >>>>> For those of us who are not in the WebGPU head-space all day, is it >>>>> fair to summarize this feature as improving memory use and compression >>>>> fidelity for certain GPU image formats? >>>>> >>>>> Best, >>>>> >>>>> Alex >>>>> >>>>> On Friday, September 18, 2026 at 9:43:05 AM UTC-7 Chromestatus wrote: >>>>> >>>>>> *Contact emails* >>>>>> [email protected] >>>>>> >>>>>> *Explainer* >>>>>> >>>>>> https://gpuweb.github.io/gpuweb/#dom-gpufeaturename-texture-compression-unaligned >>>>>> >>>>>> *Specification* >>>>>> >>>>>> https://gpuweb.github.io/gpuweb/#dom-gpufeaturename-texture-compression-unaligned >>>>>> >>>>>> *Summary* >>>>>> Compressed texture (using the BC, ETC or ASTC formats) in unextended >>>>>> WebGPU must have a size that's a multiple of the block size (4x4 or up to >>>>>> 12x12). This is very constraining when compressing arbitrary images as a >>>>>> resizing step must happen which looses high-frequency information. Most >>>>>> hardware supports compressed textures with partial blocks at the border >>>>>> such that the textures can have any size, removing this issue. >>>>>> >>>>>> *Blink component* >>>>>> Blink>WebGPU >>>>>> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3EWebGPU%22> >>>>>> >>>>>> *Web Feature ID* >>>>>> webgpu <https://webstatus.dev/features/webgpu> >>>>>> >>>>>> *Motivation* >>>>>> Compressed texture (using the BC, ETC or ASTC formats) in unextended >>>>>> WebGPU must have a size that's a multiple of the block size (4x4 or up to >>>>>> 12x12). This is very constraining when compressing arbitrary images as a >>>>>> resizing step must happen which looses high-frequency information. Most >>>>>> hardware supports compressed textures with partial blocks at the border >>>>>> such that the textures can have any size, removing this issue. >>>>>> >>>>>> *Initial public proposal* >>>>>> https://github.com/gpuweb/gpuweb/issues/2006 >>>>>> >>>>>> *TAG review* >>>>>> *No information provided* >>>>>> >>>>>> *TAG review status* >>>>>> Not applicable >>>>>> >>>>>> *Goals for experimentation* >>>>>> None >>>>>> >>>>>> *Risks* >>>>>> >>>>>> >>>>>> *Interoperability and Compatibility* >>>>>> This feature has been approved in W3C GPU for the Web WG meetings >>>>>> including participants from Safari and Firefox. >>>>>> >>>>>> *Gecko*: No signal (https://github.com/gpuweb/gpuweb/pull/6312) >>>>>> Implementation >>>>>> is ongoing https://github.com/gfx-rs/wgpu/pull/10247 Feedback >>>>>> indicated via WebGPU standardization process. >>>>>> >>>>>> *WebKit*: Positive (https://github.com/gpuweb/gpuweb/pull/6312) >>>>>> 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/2006#issuecomment-2910632703) >>>>>> Bevy, >>>>>> Unity, Spark.js positive about this feature. >>>>>> >>>>>> *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)?* >>>>>> Yes >>>>>> All platforms have support, where hardware support is available. >>>>>> >>>>>> *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. >>>>>> >>>>>> *Flag name on about://flags* >>>>>> *No information provided* >>>>>> >>>>>> *Finch feature name* >>>>>> WebGPUEnabledEnabledToggles >>>>>> >>>>>> *Rollout plan* >>>>>> Will ship enabled for all users >>>>>> >>>>>> *Requires code in //chrome?* >>>>>> False >>>>>> >>>>>> *Tracking bug* >>>>>> https://crbug.com/528245806 >>>>>> >>>>>> *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/5080544005193728?gate=6068538249969664 >>>>>> >>>>>> 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/CAGdfWNNnCVe5QWrHFrsjbUjcyYFiR5ZbhqB38bj27RCm4k_wZA%40mail.gmail.com >>>> <https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGdfWNNnCVe5QWrHFrsjbUjcyYFiR5ZbhqB38bj27RCm4k_wZA%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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