[Webkit-unassigned] [Bug 88703] New: [Qt][Texmap] All layers with backingStore are opaque when using TextureMapperGL.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=88703

           Summary: [Qt][Texmap] All layers with backingStore are opaque
                    when using TextureMapperGL.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Platform
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: luxtella at company100.net


The bug originated from StillImage that is not override
Image::currentFrameHasAlpha(), so it always returns false.
StillImage is used by ImageBuffer, and if Texmap draws contents on ImageBuffer,
TextureMapperBackingStore thinks contents does not have alpha.

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