[Bug 66430] [i965] Rendercheck blend fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66430

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #7 from Chris Wilson <chris at chris-wilson.co.uk> ---
Nasty, nasty heisenbug. The more debugging you enable, the harder it was to
see. In the end, the bisect was spot and I was remiss for asuming it was just
going to be another example of the kernel bug.

commit ad0afda3fe4f5e408e3610d8b76fdc7d1af33138
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Mon Jul 1 22:26:29 2013 +0100

    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 at 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 at chris-wilson.co.uk>

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