[Webkit-unassigned] [Bug 255988] New: Creating a VideoFrame fails when canvas is backed by a WebGL context

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Apr 26 08:56:00 PDT 2023


https://bugs.webkit.org/show_bug.cgi?id=255988

            Bug ID: 255988
           Summary: Creating a VideoFrame fails when canvas is backed by a
                    WebGL context
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Mac (Apple Silicon)
                OS: macOS 13
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: alex.vestin at gmail.com

Whenever a getContext has been called with either webgl or webgl2, it's no longer possible to construct a VideoFrame using the canvas

https://jsfiddle.net/jck4Lz7h/

Fails with:

[Error] InvalidStateError: Canvas has no frame
        VideoFrame (_display:121)
        Global Code (_display:121)

tested on a tot build (bf6ce950bacc83f9fb3dc35b9c1a632146d71047)

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