/**
* runloop_iterate:
*
* Run Libretro core in RetroArch for one frame.
*
* Returns: 0 on success, 1 if we have to wait until button input in order
* to wake up the loop, -1 if we forcibly quit out of the RetroArch iteration loop.
**/
int runloop_iterate(unsigned *sleep_ms)
{
unsigned i;
event_cmd_state_t cmd;
event_cmd_state_t *cmd_ptr = &cmd;
retro_time_t current, target, to_sleep_ms;
static retro_usec_t frame_time_last = 0;
static retro_time_t frame_limit_minimum_time = 0.0;
static retro_time_t frame_limit_last_time = 0.0;
static retro_input_t last_input = 0;
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
rarch_system_info_t *system = NULL;
cmd.state[1] = last_input;
cmd.state[0] = input_keys_pressed();
last_input = cmd.state[0];
runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system);
if (runloop_ctl(RUNLOOP_CTL_IS_FRAME_TIME_LAST, NULL))
{
frame_time_last = 0;
runloop_ctl(RUNLOOP_CTL_UNSET_FRAME_TIME_LAST, NULL);
}
if (runloop_ctl(RUNLOOP_CTL_SHOULD_SET_FRAME_LIMIT, NULL))
{
struct retro_system_av_info *av_info = video_viewport_get_system_av_info();
float fastforward_ratio = (settings->fastforward_ratio == 0.0f)
? 1.0f : settings->fastforward_ratio;
frame_limit_last_time = retro_get_time_usec();
frame_limit_minimum_time = (retro_time_t)roundf(1000000.0f
/ (av_info->timing.fps * fastforward_ratio));
runloop_ctl(RUNLOOP_CTL_UNSET_FRAME_LIMIT, NULL);
}
if (input_driver_ctl(RARCH_INPUT_CTL_IS_FLUSHING_INPUT, NULL))
{
input_driver_ctl(RARCH_INPUT_CTL_UNSET_FLUSHING_INPUT, NULL);
if (cmd.state[0])
{
cmd.state[0] = 0;
/* If core was paused before entering menu, evoke
* pause toggle to wake it up. */
if (runloop_ctl(RUNLOOP_CTL_IS_PAUSED, NULL))
BIT64_SET(cmd.state[0], RARCH_PAUSE_TOGGLE);
input_driver_ctl(RARCH_INPUT_CTL_SET_FLUSHING_INPUT, NULL);
}
}
if (system->frame_time.callback)
{
/* Updates frame timing if frame timing callback is in use by the core.
* Limits frame time if fast forward ratio throttle is enabled. */
bool is_slowmotion;
retro_time_t current = retro_get_time_usec();
retro_time_t delta = current - frame_time_last;
bool is_locked_fps = (runloop_ctl(RUNLOOP_CTL_IS_PAUSED, NULL) ||
input_driver_ctl(RARCH_INPUT_CTL_IS_NONBLOCK_STATE, NULL)) |
!!recording_driver_get_data_ptr();
runloop_ctl(RUNLOOP_CTL_IS_SLOWMOTION, &is_slowmotion);
if (!frame_time_last || is_locked_fps)
delta = system->frame_time.reference;
if (!is_locked_fps && is_slowmotion)
delta /= settings->slowmotion_ratio;
frame_time_last = current;
if (is_locked_fps)
frame_time_last = 0;
system->frame_time.callback(delta);
}
cmd.state[2] = cmd.state[0] & ~cmd.state[1]; /* trigger */
if (runloop_cmd_triggered(cmd_ptr, RARCH_OVERLAY_NEXT))
event_command(EVENT_CMD_OVERLAY_NEXT);
if (runloop_cmd_triggered(cmd_ptr, RARCH_FULLSCREEN_TOGGLE_KEY))
{
bool fullscreen_toggled = !runloop_ctl(RUNLOOP_CTL_IS_PAUSED, NULL);
#ifdef HAVE_MENU
fullscreen_toggled = fullscreen_toggled || menu_driver_ctl(RARCH_MENU_CTL_IS_ALIVE, NULL);
#endif
if (fullscreen_toggled)
event_command(EVENT_CMD_FULLSCREEN_TOGGLE);
}
if (runloop_cmd_triggered(cmd_ptr, RARCH_GRAB_MOUSE_TOGGLE))
event_command(EVENT_CMD_GRAB_MOUSE_TOGGLE);
#ifdef HAVE_MENU
if (runloop_cmd_menu_press(cmd_ptr) || (global->inited.core.type == CORE_TYPE_DUMMY))
{
if (menu_driver_ctl(RARCH_MENU_CTL_IS_ALIVE, NULL))
{
if (global->inited.main && (global->inited.core.type != CORE_TYPE_DUMMY))
rarch_ctl(RARCH_CTL_MENU_RUNNING_FINISHED, NULL);
}
else
rarch_ctl(RARCH_CTL_MENU_RUNNING, NULL);
}
#endif
#ifdef HAVE_OVERLAY
runloop_iterate_linefeed_overlay(settings);
#endif
if (runloop_iterate_time_to_exit(runloop_cmd_press(cmd_ptr, RARCH_QUIT_KEY)) != 1)
{
frame_limit_last_time = 0.0;
return -1;
}
#ifdef HAVE_MENU
if (menu_driver_ctl(RARCH_MENU_CTL_IS_ALIVE, NULL))
{
bool focused = runloop_ctl(RUNLOOP_CTL_CHECK_FOCUS, NULL) && !ui_companion_is_on_foreground();
bool is_idle = runloop_ctl(RUNLOOP_CTL_IS_IDLE, NULL);
if (menu_driver_iterate((enum menu_action)menu_input_frame_retropad(cmd.state[0], cmd.state[2])) == -1)
rarch_ctl(RARCH_CTL_MENU_RUNNING_FINISHED, NULL);
if (focused || !is_idle)
menu_driver_ctl(RARCH_MENU_CTL_RENDER, NULL);
if (!focused || is_idle)
{
*sleep_ms = 10;
return 1;
}
goto end;
}
#endif
if (!runloop_ctl(RUNLOOP_CTL_CHECK_STATE, &cmd))
{
/* RetroArch has been paused. */
retro_ctx.poll_cb();
*sleep_ms = 10;
return 1;
}
#if defined(HAVE_THREADS)
lock_autosave();
#endif
#ifdef HAVE_NETPLAY
netplay_driver_ctl(RARCH_NETPLAY_CTL_PRE_FRAME, NULL);
#endif
if (bsv_movie_ctl(BSV_MOVIE_CTL_IS_INITED, NULL))
bsv_movie_ctl(BSV_MOVIE_CTL_SET_FRAME_START, NULL);
if (system->camera_callback.caps)
driver_camera_poll();
/* Update binds for analog dpad modes. */
for (i = 0; i < settings->input.max_users; i++)
{
if (!settings->input.analog_dpad_mode[i])
continue;
input_push_analog_dpad(settings->input.binds[i],
settings->input.analog_dpad_mode[i]);
input_push_analog_dpad(settings->input.autoconf_binds[i],
settings->input.analog_dpad_mode[i]);
}
if ((settings->video.frame_delay > 0) &&
!input_driver_ctl(RARCH_INPUT_CTL_IS_NONBLOCK_STATE, NULL))
retro_sleep(settings->video.frame_delay);
/* Run libretro for one frame. */
core.retro_run();
#ifdef HAVE_CHEEVOS
/* Test the achievements. */
cheevos_test();
#endif
for (i = 0; i < settings->input.max_users; i++)
{
if (!settings->input.analog_dpad_mode[i])
continue;
input_pop_analog_dpad(settings->input.binds[i]);
input_pop_analog_dpad(settings->input.autoconf_binds[i]);
}
if (bsv_movie_ctl(BSV_MOVIE_CTL_IS_INITED, NULL))
bsv_movie_ctl(BSV_MOVIE_CTL_SET_FRAME_END, NULL);
#ifdef HAVE_NETPLAY
netplay_driver_ctl(RARCH_NETPLAY_CTL_POST_FRAME, NULL);
#endif
#if defined(HAVE_THREADS)
unlock_autosave();
#endif
#ifdef HAVE_MENU
end:
#endif
if (!settings->fastforward_ratio)
return 0;
current = retro_get_time_usec();
target = frame_limit_last_time + frame_limit_minimum_time;
to_sleep_ms = (target - current) / 1000;
if (to_sleep_ms > 0)
{
*sleep_ms = (unsigned)to_sleep_ms;
/* Combat jitter a bit. */
frame_limit_last_time += frame_limit_minimum_time;
return 1;
}
frame_limit_last_time = retro_get_time_usec();
return 0;
}
/**
* rarch_main_iterate:
*
* Run Libretro core in RetroArch for one frame.
*
* Returns: 0 on success, 1 if we have to wait until button input in order
* to wake up the loop, -1 if we forcibly quit out of the RetroArch iteration loop.
**/
int rarch_main_iterate(unsigned *sleep_ms)
{
int ret;
unsigned i;
retro_input_t trigger_input;
event_cmd_state_t cmd;
retro_time_t current, target, to_sleep_ms;
static retro_input_t last_input = 0;
driver_t *driver = driver_get_ptr();
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
retro_input_t input = input_keys_pressed(driver, settings, global);
rarch_system_info_t *system = rarch_system_info_get_ptr();
retro_input_t old_input = last_input;
last_input = input;
if (driver->flushing_input)
{
driver->flushing_input = false;
if (input)
{
input = 0;
/* If core was paused before entering menu, evoke
* pause toggle to wake it up. */
if (main_is_paused)
BIT64_SET(input, RARCH_PAUSE_TOGGLE);
driver->flushing_input = true;
}
}
trigger_input = input & ~old_input;
rarch_main_cmd_get_state(driver, settings, &cmd, input, old_input, trigger_input);
if (system->frame_time.callback)
{
/* Updates frame timing if frame timing callback is in use by the core.
* Limits frame time if fast forward ratio throttle is enabled. */
retro_time_t current = retro_get_time_usec();
retro_time_t delta = current - system->frame_time_last;
bool is_locked_fps = (main_is_paused || driver->nonblock_state) |
!!driver->recording_data;
if (!system->frame_time_last || is_locked_fps)
delta = system->frame_time.reference;
if (!is_locked_fps && main_is_slowmotion)
delta /= settings->slowmotion_ratio;
system->frame_time_last = current;
if (is_locked_fps)
system->frame_time_last = 0;
system->frame_time.callback(delta);
}
if (cmd.overlay_next_pressed)
event_command(EVENT_CMD_OVERLAY_NEXT);
if (!main_is_paused || menu_driver_alive())
{
if (cmd.fullscreen_toggle)
event_command(EVENT_CMD_FULLSCREEN_TOGGLE);
}
if (cmd.grab_mouse_pressed)
event_command(EVENT_CMD_GRAB_MOUSE_TOGGLE);
#ifdef HAVE_MENU
if (cmd.menu_pressed || (global->inited.core.type == CORE_TYPE_DUMMY))
{
if (menu_driver_alive())
{
if (global->inited.main && (global->inited.core.type != CORE_TYPE_DUMMY))
rarch_ctl(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED, NULL);
}
else
rarch_ctl(RARCH_ACTION_STATE_MENU_RUNNING, NULL);
}
#endif
#ifdef HAVE_OVERLAY
rarch_main_iterate_linefeed_overlay(driver, settings);
#endif
ret = rarch_main_iterate_time_to_exit(&cmd);
if (ret != 1)
return -1;
#ifdef HAVE_MENU
if (menu_driver_alive())
{
if (menu_driver_iterate((enum menu_action)menu_input_frame(input, trigger_input)) == -1)
rarch_ctl(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED, NULL);
if (!input && settings->menu.pause_libretro)
return 1;
goto end;
}
#endif
if (!rarch_main_ctl(RARCH_MAIN_CTL_CHECK_STATE, &cmd))
{
/* RetroArch has been paused. */
driver->retro_ctx.poll_cb();
*sleep_ms = 10;
return 1;
}
#if defined(HAVE_THREADS)
lock_autosave();
#endif
#ifdef HAVE_NETPLAY
if (driver->netplay_data)
netplay_pre_frame((netplay_t*)driver->netplay_data);
#endif
if (global->bsv.movie)
bsv_movie_set_frame_start(global->bsv.movie);
if (system->camera_callback.caps)
driver_camera_poll();
/* Update binds for analog dpad modes. */
for (i = 0; i < settings->input.max_users; i++)
{
if (!settings->input.analog_dpad_mode[i])
continue;
input_push_analog_dpad(settings->input.binds[i],
settings->input.analog_dpad_mode[i]);
input_push_analog_dpad(settings->input.autoconf_binds[i],
settings->input.analog_dpad_mode[i]);
}
if ((settings->video.frame_delay > 0) && !driver->nonblock_state)
retro_sleep(settings->video.frame_delay);
/* Run libretro for one frame. */
core.retro_run();
#ifdef HAVE_CHEEVOS
/* Test the achievements. */
cheevos_test();
#endif
for (i = 0; i < settings->input.max_users; i++)
{
if (!settings->input.analog_dpad_mode[i])
continue;
input_pop_analog_dpad(settings->input.binds[i]);
input_pop_analog_dpad(settings->input.autoconf_binds[i]);
}
if (global->bsv.movie)
bsv_movie_set_frame_end(global->bsv.movie);
#ifdef HAVE_NETPLAY
if (driver->netplay_data)
netplay_post_frame((netplay_t*)driver->netplay_data);
#endif
#if defined(HAVE_THREADS)
unlock_autosave();
#endif
#ifdef HAVE_MENU
end:
#endif
if (!settings->fastforward_ratio)
return 0;
current = retro_get_time_usec();
target = frame_limit_last_time + frame_limit_minimum_time;
to_sleep_ms = (target - current) / 1000;
if (to_sleep_ms > 0)
{
*sleep_ms = (unsigned)to_sleep_ms;
/* Combat jitter a bit. */
frame_limit_last_time += frame_limit_minimum_time;
return 1;
}
frame_limit_last_time = retro_get_time_usec();
return 0;
}
