sna: Fix checking the dirty boxes

I forgot how insane the data structure for the list of dirty boxes
attached to the damage is. It is neither a simple list, nor does not store
the count of boxes within each chunk.

Fixes regression from
commit 9026bb954646c0425360c2236e26c79d097142cd [2.21.11]
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Fri Jun 28 15:59:17 2013 +0100

    sna: Inspect the dirty boxes when querying whether damage contains a rectangle

A side effect is that we now make sure that there is an upper bound to
the amount of searching we do for the no-reduce fast path.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=66430
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

0 files changed, 0 insertions, 0 deletions