[Webkit-unassigned] [Bug 195743] New: Optimize Region for single rectangle case

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=195743

            Bug ID: 195743
           Summary: Optimize Region for single rectangle case
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: koivisto at iki.fi

Instrumentation shows vast majority of Region objects consist of a single rectangle. However it always allocates the large Shape data structure. This makes it unsuitable to use as a member in any popular objects.

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