[PATCH] DRI2: track drawable serial numbers

[Keith Packard]

On Fri, 2 Jul 2010 12:26:34 -0700, Jesse Barnes <jbarnes at virtuousgeek.org> wrote:

> If a pixmap header is modified or the drawable serial changes, some
> aspects of the drawable are likely to have changed so we should
> re-allocate the corresponding DRI2 drawable in that case.  This is one
> way of catching when the root window pixmap changes through xrandr.

For windows, you might use the serial number of the window pixmap
instead of the window serial number.

-- 
keith.packard at intel.com
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