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(runloop.c) Refactors

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This commit is contained in:
twinaphex 2015-08-05 14:36:35 +02:00
parent a1e6313453
commit f39ab89867
3 changed files with 23 additions and 30 deletions
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3
retroarch.c
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@ -1155,10 +1155,9 @@ void rarch_init_system_av_info(void)
{
struct retro_system_av_info *av_info =
video_viewport_get_system_av_info();
global_t *global = global_get_ptr();
pretro_get_system_av_info(av_info);
global->frames.limit.last_time = rarch_get_time_usec();
rarch_main_set_frame_limit_last_time(rarch_get_time_usec());
}
/**

38
runloop.c
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@ -48,6 +48,8 @@ static bool main_is_idle;
static bool main_is_paused;
static bool main_is_slowmotion;
static retro_time_t frame_limit_last_time;
/**
* check_pause:
* @pressed : was libretro pause key pressed?
@ -655,33 +657,27 @@ static void rarch_update_frame_time(driver_t *driver, settings_t *settings,
*
* Limit frame time if fast forward ratio throttle is enabled.
**/
static void rarch_limit_frame_time(settings_t *settings, global_t *global)
static void rarch_limit_frame_time(settings_t *settings)
{
retro_time_t target = 0;
retro_time_t to_sleep_ms = 0;
retro_time_t current = rarch_get_time_usec();
struct retro_system_av_info *av_info =
retro_time_t current = rarch_get_time_usec();
struct retro_system_av_info *av_info =
video_viewport_get_system_av_info();
double effective_fps = av_info->timing.fps * settings->fastforward_ratio;
double mft_f = 1000000.0f / effective_fps;
global->frames.limit.minimum_time = (retro_time_t) roundf(mft_f);
target = global->frames.limit.last_time +
global->frames.limit.minimum_time;
to_sleep_ms = (target - current) / 1000;
double effective_fps = av_info->timing.fps * settings->fastforward_ratio;
double mft_f = 1000000.0f / effective_fps;
retro_time_t frame_limit_minimum_time = (retro_time_t) roundf(mft_f);
retro_time_t target = frame_limit_last_time + frame_limit_minimum_time;
retro_time_t to_sleep_ms = (target - current) / 1000;
if (to_sleep_ms <= 0)
{
global->frames.limit.last_time = rarch_get_time_usec();
frame_limit_last_time = rarch_get_time_usec();
return;
}
rarch_sleep((unsigned int)to_sleep_ms);
/* Combat jitter a bit. */
global->frames.limit.last_time +=
global->frames.limit.minimum_time;
frame_limit_last_time += frame_limit_minimum_time;
}
/**
@ -851,11 +847,15 @@ void rarch_main_state_free(void)
main_is_idle = false;
main_is_paused = false;
main_is_slowmotion = false;
g_extern.frames.limit.minimum_time = 0.0;
g_extern.frames.limit.last_time = 0.0;
frame_limit_last_time = 0.0;
g_extern.max_frames = 0;
}
void rarch_main_set_frame_limit_last_time(retro_time_t t)
{
frame_limit_last_time = t;
}
void rarch_main_global_free(void)
{
event_command(EVENT_CMD_TEMPORARY_CONTENT_DEINIT);
@ -1140,7 +1140,7 @@ int rarch_main_iterate(void)
success:
if (settings->fastforward_ratio_throttle_enable)
rarch_limit_frame_time(settings, global);
rarch_limit_frame_time(settings);
return ret;
}

12
runloop.h
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@ -27,6 +27,7 @@
#include "cheats.h"
#include "dynamic.h"
#include "system.h"
#include "performance.h"
#ifdef __cplusplus
extern "C" {
@ -42,15 +43,6 @@ typedef struct rarch_resolution
typedef struct global
{
struct
{
struct
{
retro_time_t minimum_time;
retro_time_t last_time;
} limit;
} frames;
unsigned max_frames;
bool verbosity;
@ -347,6 +339,8 @@ void rarch_main_set_slowmotion(unsigned enable);
void rarch_main_set_pause(unsigned enable);
void rarch_main_set_frame_limit_last_time(retro_time_t t);
void rarch_main_set_idle(unsigned enable);
void rarch_main_state_free(void);