[Bug 102258] Up to 20% perf drop in texture sampling tests with "i965/surface_state: Get the aux usage from the miptree code"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102258

Jason Ekstrand <jason at jlekstrand.net> changed:

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

--- Comment #4 from Jason Ekstrand <jason at jlekstrand.net> ---
This is fixed by the following commit in master:

commit 61d2f3f1c24323a1c067595ec78dfbfefdc72b41
Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date:   Thu Aug 17 15:27:25 2017 -0700

    i965/miptree: Return NONE from texture_aux_usage when fully resolved

    This little optimization improves the performance of SynMark v7
    TexFilterTri by almost 10% on Sky Lake GT4 among other improvements.
    We've been doing it for some time but somehow it got dropped during
    the miptree refactoring.

    Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
    Bugzilla: https://bugs.freedesktop.org/102258
    Cc: "17.2" <mesa-stable at lists.freedesktop.org>

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