[Nouveau] NOUVEAU(0): DRI3 on EXA enabled

[poma]

On 04.11.2015 11:57, Martin Peres wrote:
> On 02/11/15 08:28, poma wrote:
>> An interesting results.
>>
>> DRI2:
>>
>> $ vblank_mode=0 glxgears
>> ATTENTION: default value of option vblank_mode overridden by environment.
>> 6321 frames in 5.0 seconds = 1264.103 FPS
>> 6380 frames in 5.0 seconds = 1275.943 FPS
>> 6369 frames in 5.0 seconds = 1273.629 FPS
>> 6377 frames in 5.0 seconds = 1275.322 FPS
>> 6387 frames in 5.0 seconds = 1277.330 FPS
>> 6407 frames in 5.0 seconds = 1281.337 FPS
>> 6381 frames in 5.0 seconds = 1276.053 FPS
>> 6410 frames in 5.0 seconds = 1281.855 FPS
>> 6405 frames in 5.0 seconds = 1280.905 FPS
>> 6378 frames in 5.0 seconds = 1275.599 FPS
>> ^C
>>
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>
>> DRI3:
>>
>> $ cat /etc/X11/xorg.conf.d/nouveau-dri3.conf
>> Section "Device"
>> 	Identifier  "Videocard0"
>> 	Driver      "nouveau"
>> 	Option      "DRI" "3"
>> EndSection
>>
>> $ grep DRI3 /var/log/Xorg.0.log
>> [ 4367.417] (II) NOUVEAU(0): DRI3 on EXA enabled
> 
> For the record, the only acceptable way of checking for DRI3 is to run 
> the program with LIBGL_DEBUG=verbose. Any other solution is wrong.
> 


- DRI2:

[  3210.736] (II) Loading sub module "dri2"
[  3210.736] (II) LoadModule: "dri2"
[  3210.736] (II) Module "dri2" already built-in
[  3210.736] (==) NOUVEAU(0): Allowed maximum DRI level 2.
[  3210.877] (II) NOUVEAU(0): [DRI2] Setup complete
[  3210.894] (II) GLX: Initialized DRI2 GL provider for screen 0


$ LIBGL_DEBUG=verbose vblank_mode=0 glxgears
libGL: OpenDriver: trying /usr/lib64/dri/tls/nouveau_dri.so
libGL: OpenDriver: trying /usr/lib64/dri/nouveau_dri.so
ATTENTION: default value of option vblank_mode overridden by environment.
libGL: Using DRI2 for screen 0
6231 frames in 5.0 seconds = 1246.081 FPS
6387 frames in 5.0 seconds = 1277.312 FPS
6421 frames in 5.0 seconds = 1284.023 FPS
6375 frames in 5.0 seconds = 1274.905 FPS
6399 frames in 5.0 seconds = 1279.609 FPS
6440 frames in 5.0 seconds = 1287.837 FPS
6371 frames in 5.0 seconds = 1274.142 FPS
6397 frames in 5.0 seconds = 1279.245 FPS
6429 frames in 5.0 seconds = 1285.668 FPS
6371 frames in 5.0 seconds = 1274.177 FPS
^C

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

- DRI3:

[  3750.992] (II) Loading sub module "dri2"
[  3750.992] (II) LoadModule: "dri2"
[  3750.992] (II) Module "dri2" already built-in
[  3750.992] (**) NOUVEAU(0): Option "DRI" "3"
[  3750.992] (**) NOUVEAU(0): Allowed maximum DRI level 3.
[  3751.128] (II) NOUVEAU(0): [DRI2] Setup complete
[  3751.128] (II) NOUVEAU(0): DRI3 on EXA enabled
[  3751.145] (II) GLX: Initialized DRI2 GL provider for screen 0


$ LIBGL_DEBUG=verbose vblank_mode=0 glxgears
libGL: pci id for fd 4: 10de:06e4, driver nouveau
libGL: OpenDriver: trying /usr/lib64/dri/tls/nouveau_dri.so
libGL: OpenDriver: trying /usr/lib64/dri/nouveau_dri.so
ATTENTION: default value of option vblank_mode overridden by environment.
libGL: Using DRI3 for screen 0
7261 frames in 5.0 seconds = 1452.136 FPS
7353 frames in 5.0 seconds = 1470.404 FPS
7354 frames in 5.0 seconds = 1470.652 FPS
7385 frames in 5.0 seconds = 1476.916 FPS
7337 frames in 5.0 seconds = 1467.380 FPS
7344 frames in 5.0 seconds = 1468.661 FPS
7360 frames in 5.0 seconds = 1471.951 FPS
7327 frames in 5.0 seconds = 1465.211 FPS
7345 frames in 5.0 seconds = 1468.992 FPS
7371 frames in 5.0 seconds = 1474.112 FPS
^C

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

$ xfwm4 --version
This is xfwm4 version 4.12.3git.20150825 (revision 20150825) for Xfce 4.12
Released under the terms of the GNU General Public License.
Compiled against GTK+-2.24.28, using GTK+-2.24.28.

Build configuration and supported features:
- Startup notification support:                 Yes
- XSync support:                                Yes
- Render support:                               Yes
- Xrandr support:                               Yes
- Xpresent support:                             Yes
- Embedded compositor:                          Yes
- Epoxy support:                                No


$ xfconf-query --channel xfwm4 --property /general/use_compositing
true


SW:
xorg-x11-drv-nouveau-1.0.12-0.3.fc22.x86_64
xorg-x11-server-Xorg-1.17.3-1.fc22.x86_64
mesa-dri-drivers-10.6.9-1.20151008.fc22.x86_64
libdrm-2.4.61-3.fc22.x86_64
libXpresent-1.0.0-1.fc22.x86_64
xfwm4-4.12.3-15.1.xpresent.nv34.git20150825.fc22.x86_64