Adam Jackson <a...@redhat.com> writes: > This came in between XFree86 4.3 and 4.4, I'm not entirely sure what it > was meant to do.
It constructs a region for all windows in a tree of a specific depth. Use this to compute window clipping in hardware that has multiple planes of different depths. However, it's not very useful these days... Reviewed-by: Keith Packard <kei...@keithp.com> -- keith.pack...@intel.com
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