[Bug 2835] add symbol exports for XReadDisplay extension

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https://bugs.freedesktop.org/show_bug.cgi?id=2835          
     

roland.mainz at nrubsig.org changed:

           What    |Removed                     |Added
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                 CC|                            |alan.coopersmith at sun.com




------- Additional Comments From roland.mainz at nrubsig.org  2005-03-30 10:47 -------
(In reply to comment #3)
> aiui, it allows you to read back the colors actually displayed on the screen,
> regardless of the visual used in each drawable, (possibly) including overlays.
> 
> i don't know of an open source implementation, or even if the spec is published
> anywhere; google isn't being particularly helpful.  SGI ships it with their
> XFree86-based servers though, and will ship it against Xorg too.

Any idea how this is different from the |XReadScreen()| function in Solaris (see
http://docs.sun.com/app/docs/doc/802-2011/6i60mct66?a=view) ?          
     
     
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