[Webkit-unassigned] [Bug 114293] New: [CSS Regions] Incorrect polygon shape when using rotateX and perspective 3D transforms on content node

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=114293

           Summary: [CSS Regions] Incorrect polygon shape when using
                    rotateX and perspective 3D transforms on content node
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: dalcala at adobe.com
                CC: mihnea at adobe.com, WebkitBugTracker at adobe.com


Created an attachment (id=197150)
 --> (https://bugs.webkit.org/attachment.cgi?id=197150&action=review)
actual results

Reproduction steps:
Open the attached file rotate-perspective-webkit-bug.html in a browser that supports regions (Chrome Canary or WebKit Nightly) on Wino or Mac.

Actual Results:
The green polygon looks like it has skew applied to it, instead of rotateX with perspective 3D transform.

Expected Results:
The green polygon looks like it has rotateX with perspective 3D transform.  The top edge should be shorter than the bottom edge and the left and right sides should be slanting inward.  The shape (but not the position) should look like rotate-perspective-webkit-bug-no-region.html

Workaround:
None

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