[Webkit-unassigned] [Bug 224307] New: Avoid using 1KB ItemBuffers in display lists for cached glyph buffers

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=224307

            Bug ID: 224307
           Summary: Avoid using 1KB ItemBuffers in display lists for
                    cached glyph buffers
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: simon.fraser at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Cached DisplayLists used in FontCacade use 1KB item buffers that only contain a single DrawGlyphs item, which is very wasteful. We should find a more compact way to store these.

Maybe we need different DisplayList storage for in-process vs IPC display lists.

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