[Webkit-unassigned] [Bug 77575] New: [Texmap] Use glScissors for clipping in TextureMapperGL when possible

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=77575

           Summary: [Texmap] Use glScissors for clipping in
                    TextureMapperGL when possible
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: Qt
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: noam.rosenthal at nokia.com


Right now we use stencil for all clip operations in TextureMapperGL. Stencils are far more costly, especially on mobile devices, so the use of scissors can be a nice performance boost.

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