[Webkit-unassigned] [Bug 79164] New: [Qt][WK2] Use 16bit for opaque tiles

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=79164

           Summary: [Qt][WK2] Use 16bit for opaque tiles
           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 32bit textures both for opaque and transparent tiles. 
This is a waste of memory and cycles in platforms where 16bit is the native color depth. We should switch to 16bit when we can.

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