Don't print a frame-time report for the first frame after glXMakeCurrent

[fips] / metrics.c

diff --git a/metrics.c b/metrics.c
index 7b2a558985d525d554c89b23047d4aee550cbb8a..8f961331707569e0759bb635e3826af94bb1697a 100644 (file)
--- a/metrics.c
+++ b/metrics.c
@@ -74,6 +74,9 @@ typedef struct op_metrics
 
 struct metrics
 {
+       /* Flag to indicate first frame is being processed. */
+       bool first_frame;
+
        /* Description of all available peformance counters, counter
         * groups, their names and IDs, etc. */
        metrics_info_t *info;
@@ -144,6 +147,8 @@ metrics_create (metrics_info_t *info)
 
        metrics->info = info;
 
+       metrics->first_frame = true;
+
        metrics->op = 0;
 
        metrics->timer_begun_id = 0;
@@ -852,10 +857,12 @@ metrics_end_frame_pre_swap (metrics_t *metrics)
 
        glGetQueryObjectui64v (metrics->swap_end_timestamp_id,
                               GL_QUERY_RESULT, &swap_end_timestamp);
-
-       if (frames == 0) {
+ 
+       if (metrics->first_frame) {
                /* Print header */
                printf ("# frame: Frame_Number Frame_Time_milliseconds Frame_latency_milliseconds CPU_load GPU_load\n");
+
+               metrics->first_frame = false;
        } else {
                /* Subtract previous frame's times to get frame times. */
                frame_time_ns = subtract_timestamp (swap_end_timestamp,