[Webkit-unassigned] [Bug 39443] New: Accelerated compositing leaks tons of GDI objects

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=39443

           Summary: Accelerated compositing leaks tons of GDI objects
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
               URL: http://webkit.org/blog-files/3d-transforms/poster-circ
                    le.html
        OS/Version: Windows XP
            Status: NEW
          Keywords: NeedsRadar, PlatformOnly
          Severity: Normal
          Priority: P2
         Component: Media Elements
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aroben at apple.com
                CC: sullivan at apple.com, sfalken at apple.com,
                    simon.fraser at apple.com, cmarrin at apple.com,
                    enrica at apple.com


To reproduce:

1. Open Task Manager
2. Go to View > Select Columns...
3. Check "GDI Objects"
4. Click OK
5. Launch Safari and go to http://webkit.org/blog-files/3d-transforms/poster-circle.html
6. Watch Safari's GDI object count in Task Manager

The count goes up and up and up at about 40 objects/second. Closing the tab containing poster-circle.html doesn't cause the GDI objects to get reclaimed.

The same thing happens when watching <video>.

This might be the cause of bug 39312.

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