Mesa (master): gallium/hud: add GALLIUM_HUD_PERIOD env var
Brian Paul
brianp at kemper.freedesktop.org
Thu Apr 4 23:07:10 UTC 2013
Module: Mesa
Branch: master
Commit: f5071783c112d516ac3a130e86f689323208b143
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f5071783c112d516ac3a130e86f689323208b143
Author: Brian Paul <brianp at vmware.com>
Date: Thu Apr 4 16:37:56 2013 -0600
gallium/hud: add GALLIUM_HUD_PERIOD env var
To set the graph update rate, in seconds. The default update rate
has also been changed to 1/2 second.
Reviewed-by: Marek Olšák <maraeo at gmail.com>
---
src/gallium/auxiliary/hud/hud_context.c | 17 ++++++++++++++++-
1 files changed, 16 insertions(+), 1 deletions(-)
diff --git a/src/gallium/auxiliary/hud/hud_context.c b/src/gallium/auxiliary/hud/hud_context.c
index bbefdd2..983f057 100644
--- a/src/gallium/auxiliary/hud/hud_context.c
+++ b/src/gallium/auxiliary/hud/hud_context.c
@@ -703,12 +703,27 @@ hud_parse_env_var(struct hud_context *hud, const char *env)
struct hud_pane *pane = NULL;
unsigned x = 10, y = 10;
unsigned width = 251, height = 100;
+ unsigned period = 500 * 1000; /* default period (1/2 second) */
+ const char *period_env;
+
+ /*
+ * The GALLIUM_HUD_PERIOD env var sets the graph update rate.
+ * The env var is in seconds (a float).
+ * Zero means update after every frame.
+ */
+ period_env = getenv("GALLIUM_HUD_PERIOD");
+ if (period_env) {
+ float p = atof(period_env);
+ if (p >= 0.0) {
+ period = (unsigned) (p * 1000 * 1000);
+ }
+ }
while ((num = parse_string(env, name)) != 0) {
env += num;
if (!pane) {
- pane = hud_pane_create(x, y, x + width, y + height, 40000, 10);
+ pane = hud_pane_create(x, y, x + width, y + height, period, 10);
if (!pane)
return;
}
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