gallium/hud: document GALLIUM_HUD_PERIOD in envvars.html.

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
2015-11-03 23:24:47 -06:00
parent 56a1c10bb8
commit 09d610796c
1 changed files with 2 additions and 0 deletions
@@ -179,6 +179,8 @@ Mesa EGL supports different sets of environment variables.  See the
 <li>GALLIUM_HUD - draws various information on the screen, like framerate,
    cpu load, driver statistics, performance counters, etc.
    Set GALLIUM_HUD=help and run e.g. glxgears for more info.
+<li>GALLIUM_HUD_PERIOD - sets the hud update rate in seconds (float). Use zero
+    to update every frame. The default period is 1/2 second.
 <li>GALLIUM_HUD_VISIBLE - control default visibility, defaults to true.
 <li>GALLIUM_HUD_TOGGLE_SIGNAL - toggle visibility via user specified signal.
    Especially useful to toggle hud at specific points of application and