[Webkit-unassigned] [Bug 282077] New: RenderViewTransitionCapture unconditionally allocates a backing store

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=282077

            Bug ID: 282077
           Summary: RenderViewTransitionCapture unconditionally allocates
                    a backing store
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mattwoodrow at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    webkit-bug-importer at group.apple.com, zalan at apple.com

The RenderLayerBacking for RenderViewTransitionCapture always allocates a backing store, since isSimpleContainerCompositingLayer always returns false for RenderReplaced subclasses.

When being used for a ::view-transition-new() pseudo element, this layer just exists to attach other composited layers to, and doesn't draw anything itself (unless it has box decorations etc).

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