[Webkit-unassigned] [Bug 280874] New: Don't use page tiles for site-isolated root frames

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Oct 3 23:08:30 PDT 2024


https://bugs.webkit.org/show_bug.cgi?id=280874

            Bug ID: 280874
           Summary: Don't use page tiles for site-isolated root frames
           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,
                    zalan at apple.com

<iframe>s don't create an implicit set of page tiles, they only get tiling sub-layers as needed based on size.

Currently with site-isolation, and cross-origin <iframe> (a 'root' frame) is getting page tiles, which will use more memory than is necessary.

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