Bug 200563

Summary:	[WinCairo][WK1] Accelerated Compositing is always disabled on Windows 10 version 1809 or newer
Product:	WebKit	Reporter:	Fujii Hironori <fujii.hironori>
Component:	WebKit Misc.	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED FIXED
Severity:	Normal
Priority:	P2
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified
See Also:	https://bugs.webkit.org/show_bug.cgi?id=200493

Fujii Hironori

Reported 2019-08-08 22:19:10 PDT

[WinCairo][WK1] Accelerated Compositing is always disabled on Windows 10 version 1903 1. Start MiniBrowser 2. Open WebKitLegacy Window 3. Go to https://webkit.org/blog-files/3d-transforms/poster-circle.html 4. Poster Circle show flatly AcceleratedCompositingContext::acceleratedCompositingAvailable creates testWindow in the outside of screen. Nothing is drawn. Windows 10 version 1803: OK Windows 10 version 1903: NG WebKitTestRunner has the same issue (Bug 198820).

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Fujii Hironori

Comment 1 2019-08-08 23:31:04 PDT

Windows 10 version 1809: NG

Fujii Hironori

Comment 2 2019-08-19 18:59:30 PDT

Reverted r179962 in r248885. Closed.

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