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

Thu Nov 5 14:47:18 PST 2015

On 04.11.2015 12:27, poma wrote:
> 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
> 
> 

NV34 / i686

- DRI2:

/var/log/Xorg.0.log
[   438.397] (II) Loading sub module "dri2"
[   438.397] (II) LoadModule: "dri2"
[   438.397] (II) Module "dri2" already built-in
[   438.397] (==) NOUVEAU(0): Allowed maximum DRI level 2.
[   438.606] (II) NOUVEAU(0): [DRI2] Setup complete
[   438.606] (II) NOUVEAU(0): [DRI2]   DRI driver: nouveau


$ LIBGL_DEBUG=verbose vblank_mode=0 glxgears
libGL: OpenDriver: trying /usr/lib/dri/tls/nouveau_dri.so
libGL: OpenDriver: trying /usr/lib/dri/nouveau_dri.so
ATTENTION: default value of option vblank_mode overridden by environment.
libGL: Using DRI2 for screen 0
858 frames in 5.0 seconds = 171.598 FPS
929 frames in 5.0 seconds = 185.706 FPS
935 frames in 5.0 seconds = 186.948 FPS
988 frames in 5.0 seconds = 197.338 FPS
961 frames in 5.0 seconds = 192.055 FPS
1052 frames in 5.0 seconds = 209.084 FPS
955 frames in 5.0 seconds = 190.737 FPS
1006 frames in 5.0 seconds = 201.106 FPS
912 frames in 5.0 seconds = 182.353 FPS
926 frames in 5.0 seconds = 185.176 FPS
^C

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

- DRI3:

$ cat /etc/X11/xorg.conf.d/nouveau-dri3.conf
Section "Device"
	Identifier  "Videocard0"
	Driver      "nouveau"
	Option      "DRI" "3"
EndSection


/var/log/Xorg.0.log
[  1045.613] (II) Loading sub module "dri2"
[  1045.613] (II) LoadModule: "dri2"
[  1045.613] (II) Module "dri2" already built-in
[  1045.613] (**) NOUVEAU(0): Option "DRI" "3"
[  1045.613] (**) NOUVEAU(0): Allowed maximum DRI level 3.
[  1045.739] (II) NOUVEAU(0): [DRI2] Setup complete
[  1045.739] (II) NOUVEAU(0): [DRI2]   DRI driver: nouveau
[  1045.739] (II) NOUVEAU(0): DRI3 on EXA enabled


$ LIBGL_DEBUG=verbose vblank_mode=0 glxgears
libGL: pci id for fd 4: 10de:0322, driver nouveau
libGL: OpenDriver: trying /usr/lib/dri/tls/nouveau_dri.so
libGL: OpenDriver: trying /usr/lib/dri/nouveau_dri.so
ATTENTION: default value of option vblank_mode overridden by environment.
libGL: Using DRI3 for screen 0
1308 frames in 5.0 seconds = 261.500 FPS
1323 frames in 5.0 seconds = 264.532 FPS
1302 frames in 5.0 seconds = 260.171 FPS
1315 frames in 5.0 seconds = 262.957 FPS
1244 frames in 5.0 seconds = 248.704 FPS
1092 frames in 5.0 seconds = 218.283 FPS
1016 frames in 5.0 seconds = 202.803 FPS
1051 frames in 5.0 seconds = 210.104 FPS
1055 frames in 5.0 seconds = 210.974 FPS
1041 frames in 5.0 seconds = 208.108 FPS
1052 frames in 5.0 seconds = 210.313 FPS
1058 frames in 5.0 seconds = 211.247 FPS
^C