[Webkit-unassigned] [Bug 108074] New: [Meta] Accelerate complex font path and consider removing simple path

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=108074

           Summary: [Meta] Accelerate complex font path and consider
                    removing simple path
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: ANGLE
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: dominik.rottsches at intel.com
                CC: nicolas.mailhot at laposte.net, behdad at google.com


As discussed in https://bugs.webkit.org/show_bug.cgi?id=37984#c28 and below Nicolas and Behdad suggest to go the Firefox way, optimize the complex font path using caching for shaping results of TextRun and phase out the simple font path altogether.

Their argument is, the simple path + the heuristics to change to complex path are too fragile. In too many cases the simple path assumption fails.

I am creating a meta bug to discuss and track this.

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