[Webkit-unassigned] [Bug 101286] WebGLCanvas contents are not updated correctly.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=101286





--- Comment #3 from Kalyan <kalyan.kondapally at intel.com>  2012-11-12 21:54:47 PST ---
(In reply to comment #2)
> (In reply to comment #1)
> > Working on a patch
> 
> I assume that you are missing the BlitFramebuffer extension.
> In this case the solution is actually drawing the texture using the appropriate shaders.
> Take a look at GraphicsSurfaceWin.cpp function GraphicsSurfacePrivate::drawTexture.

The error can also be caused in case FBO has no valid read/write buffers when trying to perform operations like blitting

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