[Webkit-unassigned] [Bug 187865] New: Refactor the RenderLayer composited phases painting into a separate function

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Jul 20 10:56:39 PDT 2018


https://bugs.webkit.org/show_bug.cgi?id=187865

            Bug ID: 187865
           Summary: Refactor the RenderLayer composited phases painting
                    into a separate function
           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: sabouhallawa at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

The plan is to make RenderLayer::paintLayerContents() choose between different implementations for painting the composited phases. The first implementation is the existing one: multiple passes into the drawing GraphicsContext. In the following patch, a new implementation will be introduced: multiple passes into multiple DisplayLists. Then this implementation will be changed to be: single pass into multiple DisplayLists.

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