[Webkit-unassigned] [Bug 57674] New: Avoid decoding transparent images twice in nonpremultiplied texImage2D

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Apr 1 15:37:36 PDT 2011


https://bugs.webkit.org/show_bug.cgi?id=57674

           Summary: Avoid decoding transparent images twice in
                    nonpremultiplied texImage2D
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebGL
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jbauman at chromium.org
                CC: kbr at google.com, zmo at google.com


My patch for bug 51498 fixed part of the issue, but there's still a problem when we're using a transparent image and not premultiplying it in the texImage2D. To fix that we'd need to avoid decoding the image as it normally would be, or at least avoid premultiplying it until that's necessary.

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