[Webkit-unassigned] [Bug 218843] New: [GPU Process] Implement DisplayList::ClipToImageBuffer item

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=218843

            Bug ID: 218843
           Summary: [GPU Process] Implement DisplayList::ClipToImageBuffer
                    item
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Canvas
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sabouhallawa at apple.com
                CC: dino at apple.com

This is very similar to the DisplayList::DrawImageBuffer item. All we need is to record the renderingResourceIdentifier of the ImageBuffer. At replaying time, the renderingResourceIdentifier of the ClipToImageBuffer will be resolved to an ImageBuffer. The actual clipping will be moved to an new function named ImageBuffer::clipToMask().

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