[Webkit-unassigned] [Bug 100845] New: TextureMapperLayer backing store contents are drawn upside down on screen

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=100845

           Summary: TextureMapperLayer backing store contents are drawn
                    upside down on screen
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit EFL
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: kalyan.kondapally at intel.com
                CC: demarchi at webkit.org


Created an attachment (id=171629)
 --> (https://bugs.webkit.org/attachment.cgi?id=171629&action=review)
fix-proposal

WebGL displays the Canvas with (0,0) being the bottom left corner.
        In GraphicsSurface::platformPaintToTextureMapper we don't set ShouldFlipTexture
        flag before painting to TextureMapper. Thus the contents are not flipped.
        It results in backing store contents being drawn upside down on screen.

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