[Webkit-unassigned] [Bug 212065] New: [WinCairo] ASSERT(m_eglDisplay == EGL_NO_DISPLAY) fails in ~PlatformDisplay()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=212065

            Bug ID: 212065
           Summary: [WinCairo] ASSERT(m_eglDisplay == EGL_NO_DISPLAY)
                    fails in ~PlatformDisplay()
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: Hironori.Fujii at sony.com

[WinCairo] ASSERT(m_eglDisplay == EGL_NO_DISPLAY) fails in ~PlatformDisplay()

1. Start WinCairo Debug buid WK2 MiniBrowser
2. Go to WebGL page (for example https://get.webgl.org/)
3. Close MiniBrowser window
4. The assertion fails

Callstack:

> WTF.dll!WTFCrash() Line 303	C++
> WebKit2.dll!WTFCrashWithInfo(int __formal=162, const char * __formal=0x00007ffd388adf70, const char * __formal=0x00007ffd388adf40, int __formal=261) Line 672	C++
> WebKit2.dll!WebCore::PlatformDisplay::~PlatformDisplay() Line 162	C++
> WebKit2.dll!WebCore::PlatformDisplayWin::~PlatformDisplayWin() Line 51	C++
> [External Code]	
> WebKit2.dll!WebKit::callExit(IPC::Connection * __formal=0x0000018fda960de0) Line 203	C++
> WebKit2.dll!IPC::Connection::connectionDidClose() Line 856	C++
> WebKit2.dll!IPC::Connection::readEventHandler() Line 156	C++
> WebKit2.dll!IPC::Connection::invokeReadEventHandler::__l2::<lambda>() Line 235	C++
> WebKit2.dll!WTF::Detail::CallableWrapper<void <lambda>(void),void>::call() Line 52	C++
> WTF.dll!WTF::Function<void __cdecl(void)>::operator()() Line 85	C++
> WTF.dll!WTF::WorkQueue::dispatch::__l2::<lambda>() Line 62	C++
> WTF.dll!WTF::Detail::CallableWrapper<void <lambda>(void),void>::call() Line 52	C++
> WTF.dll!WTF::Function<void __cdecl(void)>::operator()() Line 85	C++
> WTF.dll!WTF::RunLoop::performWork() Line 120	C++
> WTF.dll!WTF::RunLoop::wndProc(HWND__ * hWnd=0x0000000000190728, unsigned int message=1025, unsigned __int64 wParam=1717359019392, __int64 lParam=0) Line 57	C++
> WTF.dll!WTF::RunLoop::RunLoopWndProc(HWND__ * hWnd=0x0000000000190728, unsigned int message=1025, unsigned __int64 wParam=1717359019392, __int64 lParam=0) Line 39	C++
> [External Code]	
> WTF.dll!WTF::RunLoop::run() Line 74	C++
> WTF.dll!WTF::WorkQueue::platformInitialize::__l2::<lambda>() Line 42	C++
> WTF.dll!WTF::Detail::CallableWrapper<void <lambda>(void),void>::call() Line 52	C++
> WTF.dll!WTF::Function<void __cdecl(void)>::operator()() Line 85	C++
> WTF.dll!WTF::Thread::entryPoint(WTF::Thread::NewThreadContext * newThreadContext=0x0000018fda9394f0) Line 168	C++
> WTF.dll!WTF::wtfThreadEntryPoint(void * data=0x0000018fda9394f0) Line 153	C++
> [External Code]	

The same issue of WinCairo WK1 was fixed in Bug 170331 by calling PlatformDisplay::shutDownEglDisplays() in shutDownWebKit().

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