bool video_monitor_get_fps(char *buf, size_t size,
char *buf_fps, size_t size_fps)
{
static float last_fps;
retro_time_t new_time;
static retro_time_t curr_time;
static retro_time_t fps_time;
uint64_t frame_count = video_driver_get_frame_count();
global_t *global = global_get_ptr();
*buf = '\0';
new_time = rarch_get_time_usec();
if (frame_count)
{
bool ret = false;
unsigned write_index = video_state.frame_time_samples_count++ &
(MEASURE_FRAME_TIME_SAMPLES_COUNT - 1);
video_state.frame_time_samples[write_index] = new_time - fps_time;
fps_time = new_time;
if ((frame_count % FPS_UPDATE_INTERVAL) == 0)
{
last_fps = TIME_TO_FPS(curr_time, new_time, FPS_UPDATE_INTERVAL);
curr_time = new_time;
snprintf(buf, size, "%s || FPS: %6.1f || Frames: " U64_SIGN,
global->title_buf, last_fps, (unsigned long long)frame_count);
ret = true;
}
if (buf_fps)
snprintf(buf_fps, size_fps, "FPS: %6.1f || Frames: " U64_SIGN,
last_fps, (unsigned long long)frame_count);
return ret;
}
curr_time = fps_time = new_time;
strlcpy(buf, global->title_buf, size);
if (buf_fps)
strlcpy(buf_fps, "N/A", size_fps);
return true;
}
/**
* video_monitor_get_fps:
* @buf : string suitable for Window title
* @size : size of buffer.
* @buf_fps : string of raw FPS only (optional).
* @size_fps : size of raw FPS buffer.
*
* Get the amount of frames per seconds.
*
* Returns: true if framerate per seconds could be obtained,
* otherwise false.
*
**/
bool video_monitor_get_fps(char *buf, size_t size,
char *buf_fps, size_t size_fps)
{
retro_time_t new_time;
static retro_time_t curr_time;
static retro_time_t fps_time;
static float last_fps;
*buf = '\0';
new_time = rarch_get_time_usec();
if (g_extern.frame_count)
{
bool ret = false;
unsigned write_index =
g_extern.measure_data.frame_time_samples_count++ &
(MEASURE_FRAME_TIME_SAMPLES_COUNT - 1);
g_extern.measure_data.frame_time_samples[write_index] =
new_time - fps_time;
fps_time = new_time;
if ((g_extern.frame_count % FPS_UPDATE_INTERVAL) == 0)
{
last_fps = TIME_TO_FPS(curr_time, new_time, FPS_UPDATE_INTERVAL);
curr_time = new_time;
snprintf(buf, size, "%s || FPS: %6.1f || Frames: %u",
g_extern.title_buf, last_fps, g_extern.frame_count);
ret = true;
}
if (buf_fps)
snprintf(buf_fps, size_fps, "FPS: %6.1f || Frames: %u",
last_fps, g_extern.frame_count);
return ret;
}
curr_time = fps_time = new_time;
strlcpy(buf, g_extern.title_buf, size);
if (buf_fps)
strlcpy(buf_fps, "N/A", size_fps);
return true;
}
