[Webkit-unassigned] [Bug 93244] [Cairo] canvas/philip/tests/2d.drawImage.self.2.html test failing on ports using Cairo

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Aug 13 06:09:18 PDT 2012


Dominik Röttsches (drott) <dominik.rottsches at intel.com> changed:

           What    |Removed                     |Added
                 CC|                            |dominik.rottsches at intel.com

--- Comment #1 from Dominik Röttsches (drott) <dominik.rottsches at intel.com>  2012-08-13 06:09:48 PST ---
https://bugs.webkit.org/show_bug.cgi?id=54458#c7 has some insight:
# When drawing canvas into itself, WebCore draws canvas's buffer into the same buffer. This
# results in recursive drawing into cairo surface. We should either use groups when drawing
# with cairo or copy the buffer every time the HTMLCanvasElement gets repainted.

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