[PATCH] glamor: don't do render ops with matching source/dest (v2)

[Dave Airlie]

On 28 May 2015 at 16:09, Keith Packard <keithp at keithp.com> wrote:
> Dave Airlie <airlied at gmail.com> writes:
>
>> From: Dave Airlie <airlied at redhat.com>
>>
>> XRender defines this, GL really doesn't like it.
>>
>> kwin 4.x and qt 4.x seem to make this happen for the
>> gradient in the titlebar, and on radeonsi/r600 hw
>> this draws all kinds of wrong.
>>
>> v2: bump this up a level, and check it earlier.
>> (I assume the XXXX was for this case.)
>
> You're missing the matching case in the large_pixmap code

The large pixmap code eventually calls this code, once you go crazy.

Dave.