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(gfx/video_driver.c) Cleanup

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This commit is contained in:
twinaphex 2016-03-04 20:14:39 +01:00
parent 6066ab3ecc
commit a9d29041a3
1 changed files with 14 additions and 10 deletions
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24
gfx/video_driver.c
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@ -56,8 +56,12 @@
typedef struct video_driver_state
{
retro_time_t frame_time_samples[MEASURE_FRAME_TIME_SAMPLES_COUNT];
uint64_t frame_time_samples_count;
struct
{
retro_time_t samples[MEASURE_FRAME_TIME_SAMPLES_COUNT];
uint64_t count;
} frame_time;
enum retro_pixel_format pix_fmt;
unsigned video_width;
@ -461,7 +465,7 @@ static void video_monitor_compute_fps_statistics(void)
return;
}
if (video_driver_state.frame_time_samples_count <
if (video_driver_state.frame_time.count <
(2 * MEASURE_FRAME_TIME_SAMPLES_COUNT))
{
RARCH_LOG(
@ -922,19 +926,19 @@ bool video_monitor_fps_statistics(double *refresh_rate,
retro_time_t accum = 0, avg, accum_var = 0;
settings_t *settings = config_get_ptr();
unsigned samples = MIN(MEASURE_FRAME_TIME_SAMPLES_COUNT,
video_driver_state.frame_time_samples_count);
video_driver_state.frame_time.count);
if (settings->video.threaded || (samples < 2))
return false;
/* Measure statistics on frame time (microsecs), *not* FPS. */
for (i = 0; i < samples; i++)
accum += video_driver_state.frame_time_samples[i];
accum += video_driver_state.frame_time.samples[i];
#if 0
for (i = 0; i < samples; i++)
RARCH_LOG("Interval #%u: %d usec / frame.\n",
i, (int)video_driver_state.frame_time_samples[i]);
i, (int)video_driver_state.frame_time.samples[i]);
#endif
avg = accum / samples;
@ -942,7 +946,7 @@ bool video_monitor_fps_statistics(double *refresh_rate,
/* Drop first measurement. It is likely to be bad. */
for (i = 0; i < samples; i++)
{
retro_time_t diff = video_driver_state.frame_time_samples[i] - avg;
retro_time_t diff = video_driver_state.frame_time.samples[i] - avg;
accum_var += diff * diff;
}
@ -980,10 +984,10 @@ bool video_monitor_get_fps(char *buf, size_t size,
{
static float last_fps;
bool ret = false;
unsigned write_index = video_driver_state.frame_time_samples_count++ &
unsigned write_index = video_driver_state.frame_time.count++ &
(MEASURE_FRAME_TIME_SAMPLES_COUNT - 1);
video_driver_state.frame_time_samples[write_index] = new_time - fps_time;
video_driver_state.frame_time.samples[write_index] = new_time - fps_time;
fps_time = new_time;
if ((video_driver_frame_count % FPS_UPDATE_INTERVAL) == 0)
@ -1439,7 +1443,7 @@ bool video_driver_ctl(enum rarch_display_ctl_state state, void *data)
video_driver_data = NULL;
break;
case RARCH_DISPLAY_CTL_MONITOR_RESET:
video_driver_state.frame_time_samples_count = 0;
video_driver_state.frame_time.count = 0;
break;
case RARCH_DISPLAY_CTL_MONITOR_ADJUST_SYSTEM_RATES:
video_monitor_adjust_system_rates();