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fau
n00b
Joined: 01 Apr 2010
Posts: 74
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 Posted: Thu Dec 02, 2010 2:20 pm Post subject: Is there any way to disable vsync on intel graphics cards? |
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Is there any way to disable vsync on intel graphics cards?
I've tried setting vblank_mode to 0 in .drirc, /etc/drirc and by environment but when i run glxgears a always get:
| Code: | witold@fau /home/witold $ LIBGL_DEBUG=verbose glxgears
libGL: OpenDriver: trying /usr/lib64/dri/tls/i965_dri.so
libGL: OpenDriver: trying /usr/lib64/dri/i965_dri.so
ATTENTION: default value of option vblank_mode overridden by environment.
ATTENTION: default value of option vblank_mode overridden by environment.
ATTENTION: option value of option vblank_mode ignored.
ATTENTION: option value of option vblank_mode ignored.
303 frames in 5.0 seconds = 60.532 FPS
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I've spend an hour searching for the answer but had no luck with it.
| Code: | witold@fau /home/witold $ emerge -pv mesa xf86-video-intel xorg-server
These are the packages that would be merged, in order:
Calculating dependencies... done!
[ebuild R ] media-libs/mesa-7.9 USE="classic gallium gles llvm nptl -debug -motif -pic (-selinux)" VIDEO_CARDS="intel -mach64 -mga -nouveau -r128 -radeon -savage -sis -tdfx -via -vmware" 0 kB
[ebuild R ] x11-base/xorg-server-1.9.2.901 USE="ipv6 kdrive nptl udev xorg -dmx -doc -minimal -static-libs -tslib" 0 kB
[ebuild R ] x11-drivers/xf86-video-intel-2.13.0 USE="dri" 0 kB
Total: 3 packages (3 reinstalls), Size of downloads: 0 kB
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I use intel i965 classic ogl driver. |
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fau
n00b
Joined: 01 Apr 2010
Posts: 74
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| Posted: Mon Dec 13, 2010 6:49 am Post subject: |
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Answering myself I had to set SwapBuffersWait to 0 in my xorg configuration files. Now the following section in .drirc doesn't get ignored.
| Code: | <driconf>
<device screen="0" driver="dri2">
<application name="Default">
<option name="vblank_mode" value="0" />
</application>
</device>
</driconf>
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