Offscreenmemory copy

[ayachi gherissi <ayachi19@xxxxxxxx>]

Hi (Newbie Question)
 
I have created two area with xf86AllocateLinearOffscreenArea

1) How can I copy the contents of area to screen (if I have to use SubsequentScreenToScreenCopy what src coordinates x, y to use)

2) How can I copy one area to another without CPU intervention

Thank's

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