diff options
Diffstat (limited to 'COMPOSITOR')
| -rw-r--r-- | COMPOSITOR | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/COMPOSITOR b/COMPOSITOR index 6e48a9eee..9ffad45af 100644 --- a/COMPOSITOR +++ b/COMPOSITOR @@ -111,13 +111,13 @@ On some card, you may want to try the EXA acceleration by adding to the card's Device section in xorg.conf. -4.3) VSYNC and tearing +4.3) vblank and tearing ====================== -Starting with version 4.13, xfwm4 now supports VSYNC via two different -method, either using OpenGL or the Present X11 extension. +Starting with version 4.13, xfwm4 now supports vblank via two different +methods, either using GLX or the Present X11 extension. -xfwm4 relies on libepoxy for OpenGL, and on libXpresent for Present support. +xfwm4 relies on libepoxy for GLX, and on libXpresent for Present support. Support for those features can be checked using "xfwm4 --version": @@ -128,5 +128,31 @@ Support for those features can be checked using "xfwm4 --version": - Epoxy support: Yes ... -If both VSYNC methods are available, xfwm4 will prefer Present over OpenGL. +If both vblank methods are available, xfwm4 will first try GLX and fallback +to Present if available. + +To select a different vblank method, either use the "--vblank" command +line options: + + $ xfwm4 --replace --vblank=glx & + $ xfwm4 --replace --vblank=xpresent & + $ xfwm4 --replace --vblank=off & + +Or the "/general/vblank_mode" xfconf setting. + +Use "auto" to let xfwm4 decide (default): + + $ xfconf-query -c xfwm4 -p /general/vblank_mode -s auto + +Use "glx" to set GLX as vblank method (if enabled at build time): + + $ xfconf-query -c xfwm4 -p /general/vblank_mode -s glx + +Use "xpresent" to set GLX as vblank method (if enabled at build time): + + $ xfconf-query -c xfwm4 -p /general/vblank_mode -s xpresent + +Use "off" to disable vblank altogether: + + $ xfconf-query -c xfwm4 -p /general/vblank_mode -s off |