/**
* 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;
retro_time_t current, target, to_sleep_ms;
static retro_input_t last_input = {0};
event_cmd_state_t *cmd_ptr = &cmd;
static retro_time_t frame_limit_minimum_time = 0.0;
static retro_time_t frame_limit_last_time = 0.0;
settings_t *settings = config_get_ptr();
cmd.state[1] = last_input;
cmd.state[0] = input_keys_pressed();
last_input = cmd.state[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 = cpu_features_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_is_flushing_input())
{
input_driver_unset_flushing_input();
if (cmd.state[0].state)
{
cmd.state[0].state = 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].state, RARCH_PAUSE_TOGGLE);
input_driver_set_flushing_input();
}
}
if (runloop_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 = cpu_features_get_time_usec();
retro_time_t delta = current - runloop_frame_time_last;
bool is_locked_fps = (runloop_ctl(RUNLOOP_CTL_IS_PAUSED, NULL) ||
input_driver_is_nonblock_state()) |
!!recording_driver_get_data_ptr();
if (!runloop_frame_time_last || is_locked_fps)
delta = runloop_frame_time.reference;
if (!is_locked_fps && runloop_ctl(RUNLOOP_CTL_IS_SLOWMOTION, NULL))
delta /= settings->slowmotion_ratio;
runloop_frame_time_last = current;
if (is_locked_fps)
runloop_frame_time_last = 0;
runloop_frame_time.callback(delta);
}
cmd.state[2].state = cmd.state[0].state & ~cmd.state[1].state; /* trigger */
if (runloop_cmd_triggered(cmd_ptr, RARCH_OVERLAY_NEXT))
command_event(CMD_EVENT_OVERLAY_NEXT, NULL);
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)
command_event(CMD_EVENT_FULLSCREEN_TOGGLE, NULL);
}
if (runloop_cmd_triggered(cmd_ptr, RARCH_GRAB_MOUSE_TOGGLE))
command_event(CMD_EVENT_GRAB_MOUSE_TOGGLE, NULL);
#ifdef HAVE_MENU
if (runloop_cmd_menu_press(cmd_ptr) ||
rarch_ctl(RARCH_CTL_IS_DUMMY_CORE, NULL))
{
if (menu_driver_ctl(RARCH_MENU_CTL_IS_ALIVE, NULL))
{
if (rarch_ctl(RARCH_CTL_IS_INITED, NULL) &&
!rarch_ctl(RARCH_CTL_IS_DUMMY_CORE, NULL))
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))
{
int ret = runloop_iterate_menu((enum menu_action)
menu_input_frame_retropad(cmd.state[0], cmd.state[2]),
sleep_ms);
if (ret == -1)
goto end;
return ret;
}
#endif
if (!runloop_check_state(&cmd, &runloop_shader_dir))
{
/* RetroArch has been paused. */
core_poll();
*sleep_ms = 10;
return 1;
}
#if defined(HAVE_THREADS)
autosave_lock();
#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);
camera_driver_ctl(RARCH_CAMERA_CTL_POLL, NULL);
/* 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_is_nonblock_state())
retro_sleep(settings->video.frame_delay);
core_run();
#ifdef HAVE_CHEEVOS
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)
autosave_unlock();
#endif
if (!settings->fastforward_ratio)
return 0;
#ifdef HAVE_MENU
end:
#endif
current = cpu_features_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 = cpu_features_get_time_usec();
return 0;
}
/**
* input_state:
* @port : user number.
* @device : device identifier of user.
* @idx : index value of user.
* @id : identifier of key pressed by user.
*
* Input state callback function.
*
* Returns: Non-zero if the given key (identified by @id) was pressed by the user
* (assigned to @port).
**/
int16_t input_state(unsigned port, unsigned device,
unsigned idx, unsigned id)
{
int16_t res = 0;
settings_t *settings = config_get_ptr();
device &= RETRO_DEVICE_MASK;
if (bsv_movie_ctl(BSV_MOVIE_CTL_PLAYBACK_ON, NULL))
{
int16_t ret;
if (bsv_movie_ctl(BSV_MOVIE_CTL_GET_INPUT, &ret))
return ret;
bsv_movie_ctl(BSV_MOVIE_CTL_SET_END, NULL);
}
if (settings->input.remap_binds_enable)
input_remapping_state(port, &device, &idx, &id);
if (!input_driver_is_flushing_input()
&& !input_driver_is_libretro_input_blocked())
{
if (((id < RARCH_FIRST_META_KEY) || (device == RETRO_DEVICE_KEYBOARD)))
res = current_input->input_state(
current_input_data, libretro_input_binds, port, device, idx, id);
#ifdef HAVE_OVERLAY
input_state_overlay(&res, port, device, idx, id);
#endif
#ifdef HAVE_NETWORKGAMEPAD
input_remote_state(&res, port, device, idx, id);
#endif
}
/* Don't allow turbo for D-pad. */
if (device == RETRO_DEVICE_JOYPAD && (id < RETRO_DEVICE_ID_JOYPAD_UP ||
id > RETRO_DEVICE_ID_JOYPAD_RIGHT))
{
/*
* Apply turbo button if activated.
*
* If turbo button is held, all buttons pressed except
* for D-pad will go into a turbo mode. Until the button is
* released again, the input state will be modulated by a
* periodic pulse defined by the configured duty cycle.
*/
if (res && input_driver_turbo_btns.frame_enable[port])
input_driver_turbo_btns.enable[port] |= (1 << id);
else if (!res)
input_driver_turbo_btns.enable[port] &= ~(1 << id);
if (input_driver_turbo_btns.enable[port] & (1 << id))
{
/* if turbo button is enabled for this key ID */
res = res && ((input_driver_turbo_btns.count % settings->input.turbo_period)
< settings->input.turbo_duty_cycle);
}
}
if (bsv_movie_ctl(BSV_MOVIE_CTL_PLAYBACK_OFF, NULL))
bsv_movie_ctl(BSV_MOVIE_CTL_SET_INPUT, &res);
return res;
}
static enum runloop_state runloop_check_state(
settings_t *settings,
uint64_t current_input,
uint64_t old_input,
unsigned *sleep_ms)
{
static bool old_focus = true;
#ifdef HAVE_OVERLAY
static char prev_overlay_restore = false;
bool osk_enable = input_driver_is_onscreen_keyboard_enabled();
#endif
#ifdef HAVE_NETWORKING
bool tmp = false;
#endif
bool focused = true;
uint64_t trigger_input = current_input & ~old_input;
bool pause_pressed = runloop_cmd_triggered(trigger_input, RARCH_PAUSE_TOGGLE);
if (input_driver_is_flushing_input())
{
input_driver_unset_flushing_input();
if (current_input)
{
current_input = 0;
/* If core was paused before entering menu, evoke
* pause toggle to wake it up. */
if (runloop_paused)
BIT64_SET(current_input, RARCH_PAUSE_TOGGLE);
input_driver_set_flushing_input();
}
}
if (runloop_cmd_triggered(trigger_input, RARCH_OVERLAY_NEXT))
command_event(CMD_EVENT_OVERLAY_NEXT, NULL);
if (runloop_cmd_triggered(trigger_input, RARCH_FULLSCREEN_TOGGLE_KEY))
{
bool fullscreen_toggled = !runloop_paused;
#ifdef HAVE_MENU
fullscreen_toggled = fullscreen_toggled ||
menu_driver_ctl(RARCH_MENU_CTL_IS_ALIVE, NULL);
#endif
if (fullscreen_toggled)
command_event(CMD_EVENT_FULLSCREEN_TOGGLE, NULL);
}
if (runloop_cmd_triggered(trigger_input, RARCH_GRAB_MOUSE_TOGGLE))
command_event(CMD_EVENT_GRAB_MOUSE_TOGGLE, NULL);
#ifdef HAVE_OVERLAY
if (osk_enable && !input_keyboard_ctl(
RARCH_INPUT_KEYBOARD_CTL_IS_LINEFEED_ENABLED, NULL))
{
input_driver_unset_onscreen_keyboard_enabled();
prev_overlay_restore = true;
command_event(CMD_EVENT_OVERLAY_DEINIT, NULL);
}
else if (!osk_enable && input_keyboard_ctl(
RARCH_INPUT_KEYBOARD_CTL_IS_LINEFEED_ENABLED, NULL))
{
input_driver_set_onscreen_keyboard_enabled();
prev_overlay_restore = false;
command_event(CMD_EVENT_OVERLAY_INIT, NULL);
}
else if (prev_overlay_restore)
{
if (!settings->input.overlay_hide_in_menu)
command_event(CMD_EVENT_OVERLAY_INIT, NULL);
prev_overlay_restore = false;
}
#endif
if (runloop_iterate_time_to_exit(
runloop_cmd_press(current_input, RARCH_QUIT_KEY)) != 1)
return RUNLOOP_STATE_QUIT;
#ifdef HAVE_MENU
if (menu_driver_ctl(RARCH_MENU_CTL_IS_ALIVE, NULL))
{
menu_ctx_iterate_t iter;
bool skip = false;
#ifdef HAVE_OVERLAY
skip = osk_enable && input_keyboard_return_pressed();
#endif
if (!skip)
{
enum menu_action action = (enum menu_action)menu_event(current_input, trigger_input);
bool focused = settings->pause_nonactive ? video_driver_is_focused() : true;
focused = focused && !ui_companion_is_on_foreground();
iter.action = action;
if (!menu_driver_ctl(RARCH_MENU_CTL_ITERATE, &iter))
rarch_ctl(RARCH_CTL_MENU_RUNNING_FINISHED, NULL);
if (focused || !runloop_idle)
menu_driver_ctl(RARCH_MENU_CTL_RENDER, NULL);
if (!focused)
return RUNLOOP_STATE_SLEEP;
if (action == MENU_ACTION_QUIT)
return RUNLOOP_STATE_QUIT;
}
}
#endif
if (runloop_idle)
return RUNLOOP_STATE_SLEEP;
#ifdef HAVE_MENU
if (menu_event_keyboard_is_set(RETROK_F1) == 1)
{
if (menu_driver_ctl(RARCH_MENU_CTL_IS_ALIVE, NULL))
{
if (rarch_ctl(RARCH_CTL_IS_INITED, NULL) &&
!rarch_ctl(RARCH_CTL_IS_DUMMY_CORE, NULL))
{
rarch_ctl(RARCH_CTL_MENU_RUNNING_FINISHED, NULL);
menu_event_keyboard_set(false, RETROK_F1);
}
}
}
else if ((!menu_event_keyboard_is_set(RETROK_F1) && runloop_cmd_menu_press(current_input, old_input, trigger_input)) ||
rarch_ctl(RARCH_CTL_IS_DUMMY_CORE, NULL))
{
if (menu_driver_ctl(RARCH_MENU_CTL_IS_ALIVE, NULL))
{
if (rarch_ctl(RARCH_CTL_IS_INITED, NULL) &&
!rarch_ctl(RARCH_CTL_IS_DUMMY_CORE, NULL))
rarch_ctl(RARCH_CTL_MENU_RUNNING_FINISHED, NULL);
}
else
{
menu_display_toggle_set_reason(MENU_TOGGLE_REASON_USER);
rarch_ctl(RARCH_CTL_MENU_RUNNING, NULL);
}
}
else
menu_event_keyboard_set(false, RETROK_F1);
if (menu_driver_ctl(RARCH_MENU_CTL_IS_ALIVE, NULL))
{
if (!settings->menu.throttle_framerate && !settings->fastforward_ratio)
return RUNLOOP_STATE_MENU_ITERATE;
return RUNLOOP_STATE_END;
}
#endif
if (settings->pause_nonactive)
focused = video_driver_is_focused();
if (runloop_cmd_triggered(trigger_input, RARCH_SCREENSHOT))
command_event(CMD_EVENT_TAKE_SCREENSHOT, NULL);
if (runloop_cmd_triggered(trigger_input, RARCH_MUTE))
command_event(CMD_EVENT_AUDIO_MUTE_TOGGLE, NULL);
if (runloop_cmd_triggered(trigger_input, RARCH_OSK))
{
if (input_keyboard_ctl(
RARCH_INPUT_KEYBOARD_CTL_IS_LINEFEED_ENABLED, NULL))
input_keyboard_ctl(
RARCH_INPUT_KEYBOARD_CTL_UNSET_LINEFEED_ENABLED, NULL);
else
input_keyboard_ctl(
RARCH_INPUT_KEYBOARD_CTL_SET_LINEFEED_ENABLED, NULL);
}
if (runloop_cmd_press(current_input, RARCH_VOLUME_UP))
command_event(CMD_EVENT_VOLUME_UP, NULL);
else if (runloop_cmd_press(current_input, RARCH_VOLUME_DOWN))
command_event(CMD_EVENT_VOLUME_DOWN, NULL);
#ifdef HAVE_NETWORKING
tmp = runloop_cmd_triggered(trigger_input, RARCH_NETPLAY_FLIP);
netplay_driver_ctl(RARCH_NETPLAY_CTL_FLIP_PLAYERS, &tmp);
tmp = runloop_cmd_triggered(trigger_input, RARCH_FULLSCREEN_TOGGLE_KEY);
netplay_driver_ctl(RARCH_NETPLAY_CTL_FULLSCREEN_TOGGLE, &tmp);
#endif
/* Check if libretro pause key was pressed. If so, pause or
* unpause the libretro core. */
/* FRAMEADVANCE will set us into pause mode. */
pause_pressed |= !runloop_paused && runloop_cmd_triggered(trigger_input, RARCH_FRAMEADVANCE);
if (focused && pause_pressed)
command_event(CMD_EVENT_PAUSE_TOGGLE, NULL);
else if (focused && !old_focus)
command_event(CMD_EVENT_UNPAUSE, NULL);
else if (!focused && old_focus)
command_event(CMD_EVENT_PAUSE, NULL);
old_focus = focused;
if (!focused)
return RUNLOOP_STATE_SLEEP;
if (runloop_paused)
{
/* check pause state */
bool check_is_oneshot = runloop_cmd_triggered(trigger_input,
RARCH_FRAMEADVANCE)
|| runloop_cmd_press(current_input, RARCH_REWIND);
if (runloop_cmd_triggered(trigger_input, RARCH_FULLSCREEN_TOGGLE_KEY))
{
command_event(CMD_EVENT_FULLSCREEN_TOGGLE, NULL);
if (!runloop_ctl(RUNLOOP_CTL_IS_IDLE, NULL))
video_driver_cached_frame();
}
if (!check_is_oneshot)
return RUNLOOP_STATE_SLEEP;
}
/* To avoid continous switching if we hold the button down, we require
* that the button must go from pressed to unpressed back to pressed
* to be able to toggle between then.
*/
if (runloop_cmd_triggered(trigger_input, RARCH_FAST_FORWARD_KEY))
{
if (input_driver_is_nonblock_state())
input_driver_unset_nonblock_state();
else
input_driver_set_nonblock_state();
driver_ctl(RARCH_DRIVER_CTL_SET_NONBLOCK_STATE, NULL);
}
else if ((runloop_cmd_pressed(old_input, RARCH_FAST_FORWARD_HOLD_KEY)
!= runloop_cmd_press(current_input, RARCH_FAST_FORWARD_HOLD_KEY)))
{
if (runloop_cmd_press(current_input, RARCH_FAST_FORWARD_HOLD_KEY))
input_driver_set_nonblock_state();
else
input_driver_unset_nonblock_state();
driver_ctl(RARCH_DRIVER_CTL_SET_NONBLOCK_STATE, NULL);
}
/* Checks if the state increase/decrease keys have been pressed
* for this frame. */
if (runloop_cmd_triggered(trigger_input, RARCH_STATE_SLOT_PLUS))
{
char msg[128];
msg[0] = '\0';
settings->state_slot++;
snprintf(msg, sizeof(msg), "%s: %d",
msg_hash_to_str(MSG_STATE_SLOT),
settings->state_slot);
runloop_msg_queue_push(msg, 2, 180, true);
RARCH_LOG("%s\n", msg);
}
else if (runloop_cmd_triggered(trigger_input, RARCH_STATE_SLOT_MINUS))
{
char msg[128];
msg[0] = '\0';
if (settings->state_slot > 0)
settings->state_slot--;
snprintf(msg, sizeof(msg), "%s: %d",
msg_hash_to_str(MSG_STATE_SLOT),
settings->state_slot);
runloop_msg_queue_push(msg, 2, 180, true);
RARCH_LOG("%s\n", msg);
}
if (runloop_cmd_triggered(trigger_input, RARCH_SAVE_STATE_KEY))
command_event(CMD_EVENT_SAVE_STATE, NULL);
else if (runloop_cmd_triggered(trigger_input, RARCH_LOAD_STATE_KEY))
command_event(CMD_EVENT_LOAD_STATE, NULL);
#ifdef HAVE_CHEEVOS
if (!settings->cheevos.hardcore_mode_enable)
#endif
state_manager_check_rewind(runloop_cmd_press(current_input, RARCH_REWIND));
runloop_slowmotion = runloop_cmd_press(current_input, RARCH_SLOWMOTION);
if (runloop_slowmotion)
{
/* Checks if slowmotion toggle/hold was being pressed and/or held. */
if (settings->video.black_frame_insertion)
{
if (!runloop_ctl(RUNLOOP_CTL_IS_IDLE, NULL))
video_driver_cached_frame();
}
if (state_manager_frame_is_reversed())
runloop_msg_queue_push(msg_hash_to_str(MSG_SLOW_MOTION_REWIND), 2, 30, true);
else
runloop_msg_queue_push(msg_hash_to_str(MSG_SLOW_MOTION), 2, 30, true);
}
if (runloop_cmd_triggered(trigger_input, RARCH_MOVIE_RECORD_TOGGLE))
bsv_movie_check();
if (runloop_cmd_triggered(trigger_input, RARCH_SHADER_NEXT) ||
runloop_cmd_triggered(trigger_input, RARCH_SHADER_PREV))
dir_check_shader(
runloop_cmd_triggered(trigger_input, RARCH_SHADER_NEXT),
runloop_cmd_triggered(trigger_input, RARCH_SHADER_PREV));
if (runloop_cmd_triggered(trigger_input, RARCH_DISK_EJECT_TOGGLE))
command_event(CMD_EVENT_DISK_EJECT_TOGGLE, NULL);
else if (runloop_cmd_triggered(trigger_input, RARCH_DISK_NEXT))
command_event(CMD_EVENT_DISK_NEXT, NULL);
else if (runloop_cmd_triggered(trigger_input, RARCH_DISK_PREV))
command_event(CMD_EVENT_DISK_PREV, NULL);
if (runloop_cmd_triggered(trigger_input, RARCH_RESET))
command_event(CMD_EVENT_RESET, NULL);
cheat_manager_state_checks(
runloop_cmd_triggered(trigger_input, RARCH_CHEAT_INDEX_PLUS),
runloop_cmd_triggered(trigger_input, RARCH_CHEAT_INDEX_MINUS),
runloop_cmd_triggered(trigger_input, RARCH_CHEAT_TOGGLE));
return RUNLOOP_STATE_ITERATE;
}