Mesa (master): gallium/hud: document GALLIUM_HUD_PERIOD in envvars.html.

[Marek Olšák]

Module: Mesa
Branch: master
Commit: 09d610796c03ae5a238b999ace5ccc2d3effd700
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=09d610796c03ae5a238b999ace5ccc2d3effd700

Author: Jimmy Berry <jimmy at boombatower.com>
Date:   Tue Nov  3 23:24:47 2015 -0600

gallium/hud: document GALLIUM_HUD_PERIOD in envvars.html.

Signed-off-by: Marek Olšák <marek.olsak at amd.com>

---

 docs/envvars.html |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/envvars.html b/docs/envvars.html
index 530bbb7..1b2c03e 100644
--- a/docs/envvars.html
+++ b/docs/envvars.html
@@ -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