[Webkit-unassigned] [Bug 45052] New: Change TransformationMatrix to use floats rather than doubles

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=45052

           Summary: Change TransformationMatrix to use floats rather than
                    doubles
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: cmarrin at apple.com


Changing the TransformationMatrix class to floats would reduce the precision of calculations. But it would match FloatPoint and FloatPoint3D, would correspond to the matrices passed to WebGL, and would lend itself much better to SSE2 optimizations, which can process single precision twice as fast as double precision.

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