[PATCH 08/20] glamor: Add new path for migrating pixmaps in/out of CPU memory

[Keith Packard]

Eric Anholt <eric at anholt.net> writes:


> For novices to X, an explanatory comment about the region twiddling
> stuff here might be nice:
>
> /* In X, multiple Drawables can be stored in the same Pixmap (such as
>  * each individual window in a non-composited screen pixmap, or the
>  * reparented window contents inside the window-manager-decorated window
>  * pixmap on a composited screen).
>  *
>  * As a result, when doing a series of mappings for a fallback, we may
>  * need to add more boxes to the set of data we've downloaded, as we go.
>  */

Thanks, I've just stolen your text and pasted it into the code. Some
things seem overly obvious to me these days...

-- 
keith.packard at intel.com
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