[Webkit-unassigned] [Bug 222899] New: Limit the WebGL frames that are in flight, esp. in frame skipping scenarios in iOS/macOS

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=222899

            Bug ID: 222899
           Summary: Limit the WebGL frames that are in flight, esp. in
                    frame skipping scenarios in iOS/macOS
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kkinnunen at apple.com
                CC: dino at apple.com, kbr at google.com, kkinnunen at apple.com
            Blocks: 222731

Limit the WebGL frames that are in flight, esp. in frame skipping scenarios

Currently there's no synchronisation at the compositing stage for drawn frames. Long draws might queue work that is never waited on.
This is true if the compositor skips a drawn frame instead of blocking the webkit compositing.


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=222731
[Bug 222731] WebGL2: Slow instanced rendering performance.
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