[Bug 68524] radeonsi with glamor has very poor performance with primitives drawing

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68524

--- Comment #14 from Thue Janus Kristensen <thuejk at gmail.com> ---
(In reply to comment #12)
> Hello, just wanted to ask if there is any progress?
> I have a HD7970 and use radeonsi on Arch linux and glamor is just not usable
> at all due to its sluggishness.

You can force it to use EXA until glamor support is fixed. This is how I did
it:

t at h ~> cat /etc/X11/xorg.conf.d/20-radeon.conf
Section "Device"
        Identifier  "Radeon 7750"
        Driver      "radeon"
        Option      "SWcursor"              "off" #software cursor might be
necessary on some rare occasions, hence set off by default
        Option      "EnablePageFlip"        "on"  #supported on all R/RV/RS4xx
and older hardware, and set on by default
        Option      "AccelMethod"           "EXA" #valid options are XAA, EXA
and Glamor. EXA is the default
        Option      "RenderAccel"           "on"  #enabled by default on all
radeon hardware
        Option      "ColorTiling"           "on"  #enabled by default on RV300
and later radeon cards
        Option      "EXAVSync"              "off" #default is off, otherwise
on. Only works if EXA activated
        Option      "EXAPixmaps"            "on"  #when on icreases 2D
performance, but may also cause artifacts on some old cards. Only works if EXA
activated
        Option      "AccelDFS"              "on"  #default is off, read the
radeon manpage for more information
EndSection

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