[PATCH 1/2] glamor: Add GLAMOR_ACCESS_WO

[Eric Anholt]

Michel Dänzer <michel at daenzer.net> writes:

> Adding Marek and Nicolai, maybe they have some feedback from a GL
> (driver) perspective.
>
>
> On 23/08/16 10:41 AM, Dave Airlie wrote:
>> From: Michel Dänzer <michel.daenzer at amd.com>
>> 
>> [airlied: rebased onto master -
>> I left WO alone as it's more like the GL interface
>> review suggested changing it to bits.]
>
> After realizing that patch 2 can only affect the !ZPixmap case, I tested
> this series with
>
>  x11perf -putimagexy{10,100,500} -shmputxy{10,100,500}
>
> and to my surprise, all of the numbers went down by around an order of
> magnitude (using radeonsi on Kaveri). I investigated a little bit what's
> going on:

I should have replied before.  Based on the performance numbers, I've
considered these patches rejected.
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