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Commit b9ad93ad authored by Adel Gadllah's avatar Adel Gadllah
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stage-cogl: Reuse backbuffer contents



Use the buffer_age extension when available to recycle backbuffer contents
instead of blitting from the back to front buffer when doing clipped redraws.

The picking is now done in a pixel that is going to be repaired during the next
redraw cycle for non static scences.

This should improve performance and avoid tearing.

Reviewed-by: default avatarRobert Bragg <robert@linux.intel.com>

https://bugzilla.gnome.org/show_bug.cgi?id=669122
parent 60f20e8a
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