[Webkit-unassigned] [Bug 248264] New: [WebXR] Disarm GCGLOwned object destructors when GraphicsContextGL is NULL

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=248264

            Bug ID: 248264
           Summary: [WebXR] Disarm GCGLOwned object destructors when
                    GraphicsContextGL is NULL
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebXR
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: djg at apple.com

It's possible to destroy the underlying GraphicsContextGL before
WebXROpaqueFramebuffer's destructor runs. For example, when creating too WebGL
contexts, the context associated with a WebXROpaqueFramebuffer will be lost.

The GCGLOwned objects exist to catch when the user forgets to clean up. In this
case, where the GraphicsContextGL is NULL at destruction time, there's nothing
to do but reset the GCGLOwned objects, preventing their destructors from
asserting in debug builds.

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