LGTM2
On 1/17/24 7:50 PM, Chris Harrelson wrote:
LGTM1 (as noted in the other intent, tests are needed but we aren't
blocking approval on them in this case)
On Fri, Jan 5, 2024 at 5:18 AM Corentin Wallez <cwal...@chromium.org>
wrote:
Contact emails
cwal...@google.com
Explainer
None
Specification
https://gpuweb.github.io/gpuweb/#dom-gpurenderpasscolorattachment-depthslice
Summary
Functionality added to the WebGPU/WGSL spec after its first
shipment in a browser. Adds support using a render pass to render
to slices of 3D textures in addition to rendering to 2D textures.
This is used in graphical algorithm to do voxelization between others.
Blink component
Blink>WebGPU
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EWebGPU>
TAG review
None
TAG review status
Not applicable
Risks
Interoperability and Compatibility
Read-write storage textures have not yet been implemented in any
browser, but have been approved by the GPU for the Web Community
Group, with representatives from Chrome, Firefox, and Safari.
/Gecko/: No signal
(https://github.com/mozilla/standards-positions/issues/952)
/WebKit/: Positive
(https://github.com/WebKit/standards-positions/issues/294#issuecomment-1877411933)
Note that this is a blanket approval from Safari for additions to
the v1 WebGPU/WGSL spec.
/Web developers/: Positive This feature has been requested by
developers multiple times.
/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 at the moment, WebGPU currently does not ship on Android WebView.
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, 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. Note
that tests are still being written, but the feature will not be
launched until it is fully tested.
Flag name on chrome://flags
None
Finch feature name
None
Non-finch justification
None
Requires code in //chrome?
False
Tracking bug
https://bugs.chromium.org/p/dawn/issues/detail?id=1020
Availability expectation
Feature is available only in Chromium browsers for the near
future, on the order of months. Other browsers intend to ship
WebGPU support, but don't have specified timelines.
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?
No
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/5196871364771840
This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.
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