[Webkit-unassigned] [Bug 155322] New: Tracking bug for CG asynchronous image decoding

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=155322

            Bug ID: 155322
           Summary: Tracking bug for CG asynchronous image decoding
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Images
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sabouhallawa at apple.com

Tracking bug for forking the image decoding into two separate paths:

1. Synchronous: This is the current implementation where the image decoding usually happens in the whippet thread when an image drawing command is pushed into the CG context.
2. Asynchronous: This is a new mode where an image decoding will start immediately after receiving the first chunk of the encoded image date. And to not block the main thread, this image decoding has to run on a separate thread.

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