The elapsed time does not need to be tracked in stats

Make it a local variable in fps_meter_update.

diff --git a/fps-meter.h b/fps-meter.h
index e965ffe..8f98b6d 100644 (file)
--- a/fps-meter.h
+++ b/fps-meter.h
@@ -50,7 +50,6 @@
 struct fps_meter_stats {
        struct timespec time_start;
        struct timespec time_end;
-       struct timespec elapsed;
 
        unsigned int frames;
        double nsecs;
@@ -66,16 +65,18 @@ static void fps_meter_init(struct fps_meter_stats *stats)
 
 static void fps_meter_update(struct fps_meter_stats *stats)
 {
+       struct timespec elapsed;
+
        dbg("Start time: s: %ld, ns: %ld", stats->time_start.tv_sec, stats->time_start.tv_nsec);
 
        clock_gettime(CLOCK_MONOTONIC, &stats->time_end);
        dbg("End time: s: %ld, ns: %ld", stats->time_end.tv_sec, stats->time_end.tv_nsec);
 
-       timespecsub(&stats->time_end, &stats->time_start, &stats->elapsed);
-       dbg("Elapsed s: %ld ns: %ld", stats->elapsed.tv_sec, stats->elapsed.tv_nsec);
+       timespecsub(&stats->time_end, &stats->time_start, &elapsed);
+       dbg("Elapsed s: %ld ns: %ld", elapsed.tv_sec, elapsed.tv_nsec);
 
        stats->frames++;
-       stats->nsecs += (stats->elapsed.tv_sec * NSEC_PER_SEC + stats->elapsed.tv_nsec);
+       stats->nsecs += (elapsed.tv_sec * NSEC_PER_SEC + elapsed.tv_nsec);
        if (stats->nsecs >= NSEC_PER_SEC) {
                /* 
                 * if we were garanteed that each frame took less than