RESOLVED FIXED 279373
[WebGPU] Transparent canvases are not supported in WebGPU 
https://bugs.webkit.org/show_bug.cgi?id=279373
Summary [WebGPU] Transparent canvases are not supported in WebGPU
Mike Wyrzykowski
Reported 2024-09-09 11:19:28 PDT
[WebGPU] Background is black on some websites while Chrome clear to white
Attachments
Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2024-09-09 11:25:34 PDT
<rdar://problem/135563124>
Mike Wyrzykowski
Comment 2 2024-09-09 13:36:05 PDT
The root cause here is a canvas with transparent pixels is not correctly composited.
Mike Wyrzykowski
Comment 3 2024-10-01 22:39:39 PDT
This has turned into a sample now, https://webgpu.github.io/webgpu-samples/?sample=transparentCanvas - we should prioritize fixing
Mike Wyrzykowski
Comment 4 2024-11-01 23:39:07 PDT
Pull request: https://github.com/WebKit/WebKit/pull/36089
EWS
Comment 5 2024-11-04 13:53:35 PST
Committed 286121@main (1ab851a8c493): <https://commits.webkit.org/286121@main> Reviewed commits have been landed. Closing PR #36089 and removing active labels.
Mike Wyrzykowski
Comment 6 2024-11-12 09:13:07 PST
*** Bug 282982 has been marked as a duplicate of this bug. ***
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