[Webkit-unassigned] [Bug 140667] [WinCairo] Accelerated compositing should be disabled when graphics card does not support it.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=140667

--- Comment #9 from peavo at outlook.com ---
(In reply to comment #7)
> Comment on attachment 246402 [details]
> Patch
> 
> View in context:
> https://bugs.webkit.org/attachment.cgi?id=246402&action=review
> 

Thanks for the review :)

> > Source/WebKit/win/WebCoreSupport/AcceleratedCompositingContext.cpp:254
> > +    HWND testWindow = ::CreateWindowEx(WS_EX_NOACTIVATE, defWndProcWindowClassName(), L"AcceleratedCompositingTesterWindow", WS_POPUP | WS_VISIBLE | WS_DISABLED, -width, -height, width, height, 0, 0, 0, 0);
> 
> Is this visible?  Does it make a flash on the screen?  Does an invisible
> test work?
> 

It's not visible. I'm not sure how it would be with multiple monitors, though. I tested with an invisible window, but that didn't work.

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