[Webkit-unassigned] [Bug 94241] New: Frame bytes should be determined by platform image decoder

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=94241

           Summary: Frame bytes should be determined by platform image
                    decoder
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Images
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: hclam at google.com
                CC: simon.fraser at apple.com, skyul at company100.net,
                    jamesr at chromium.org, vangelis at chromium.org,
                    luxtella at company100.net, nduca at chromium.org,
                    nick at chromium.org


BitmapImage assumes the cached size is always width * height * 4. For platforms that implement deferred image decoding or have platform image backed by a texture would use no system memory. For these cases it is best to query the platform image decoder to determine the frame size such that these frames are not managed by WebKit's memory cached.

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