[Mesa-dev] [Bug 54763] glCopyPixels dirties the context and all rendering is slower after that

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54763

--- Comment #7 from Daniel van Vugt <daniel.van.vugt at canonical.com> 2012-09-12 09:31:58 UTC ---
It is a fallback used for maintaining a persistent backbuffer if FBOs are not
available. However it's not an important one because all drivers provide FBOs
now.

http://bazaar.launchpad.net/~compiz-team/compiz/0.9.8/view/head:/plugins/opengl/src/screen.cpp#L1726

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