[Webkit-unassigned] [Bug 76336] New: [Texmap] TextureMapper creates two many big intermediate surfaces

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sat Jan 14 10:25:39 PST 2012


https://bugs.webkit.org/show_bug.cgi?id=76336

           Summary: [Texmap] TextureMapper creates two many big
                    intermediate surfaces
           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


Currently TextureMapper is very generous in creating intermediate sufraces. The current algorithm always uses the viewport size for an intermediate surface, and it chooses to create a surface for unnecessary layers, such as ones with reflection and no opacity.

Since intermediate surfaces are a performance and memory hog, optimizing this is of high value.

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