Adam Jackson <[email protected]> writes:

> Say you have two 800x600 screens left/right of each other.  A window
> that's 200x200 at +700+0 in protocol coordinate space will appear to be
> at -100+0 in the coordinate space of the right hand screen.  Put another
> way: windows are in the coordinate space of their root window pixmap.
>
> We weren't doing this translation for the COW, so when rendering came in
> to it you'd see the top-left chunk of the COW on all screens.  Cool
> effect and all, but wrong.
>
> v2: Only translate when Xinerama is active [keithp]

Reviewed-by: Keith Packard <[email protected]>

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