void unlock_autosave(void)
{
for (unsigned i = 0; i < sizeof(g_extern.autosave)/sizeof(g_extern.autosave[0]); i++)
{
if (g_extern.autosave[i])
autosave_unlock(g_extern.autosave[i]);
}
}
void unlock_autosave(void)
{
unsigned i;
for (i = 0; i < g_extern.num_autosave; i++)
{
if (g_extern.autosave[i])
autosave_unlock(g_extern.autosave[i]);
}
}
/**
* unlock_autosave:
*
* Unlocks autosave.
**/
void unlock_autosave(void)
{
unsigned i;
for (i = 0; i < autosave_state.num; i++)
{
if (autosave_state.list[i])
autosave_unlock(autosave_state.list[i]);
}
}
/**
* autosave_thread:
* @data : pointer to autosave object
*
* Callback function for (threaded) autosave.
**/
static void autosave_thread(void *data)
{
bool first_log = true;
autosave_t *save = (autosave_t*)data;
while (!save->quit)
{
bool differ;
autosave_lock(save);
differ = memcmp(save->buffer, save->retro_buffer,
save->bufsize) != 0;
if (differ)
memcpy(save->buffer, save->retro_buffer, save->bufsize);
autosave_unlock(save);
if (differ)
{
/* Should probably deal with this more elegantly. */
FILE *file = fopen(save->path, "wb");
if (file)
{
bool failed = false;
/* Avoid spamming down stderr ... */
if (first_log)
{
RARCH_LOG("Autosaving SRAM to \"%s\", will continue to check every %u seconds ...\n",
save->path, save->interval);
first_log = false;
}
else
RARCH_LOG("SRAM changed ... autosaving ...\n");
failed |= fwrite(save->buffer, 1, save->bufsize, file)
!= save->bufsize;
failed |= fflush(file) != 0;
failed |= fclose(file) != 0;
if (failed)
RARCH_WARN("Failed to autosave SRAM. Disk might be full.\n");
}
}
slock_lock(save->cond_lock);
if (!save->quit)
scond_wait_timeout(save->cond, save->cond_lock,
save->interval * 1000000LL);
slock_unlock(save->cond_lock);
}
}
bool netplay_wait_and_init_serialization(netplay_t *netplay)
{
int frame;
if (netplay->state_size)
return true;
/* Wait a maximum of 60 frames */
for (frame = 0; frame < 60; frame++) {
if (netplay_try_init_serialization(netplay))
return true;
#if defined(HAVE_THREADS)
autosave_lock();
#endif
core_run();
#if defined(HAVE_THREADS)
autosave_unlock();
#endif
}
return false;
}
/**
* netplay_net_post_frame:
* @netplay : pointer to netplay object
*
* Post-frame for Netplay (normal version).
* We check if we have new input and replay from recorded input.
**/
static void netplay_net_post_frame(netplay_t *netplay)
{
netplay->self_ptr = NEXT_PTR(netplay->self_ptr);
netplay->self_frame_count++;
/* Only relevant if we're connected */
if (!netplay->has_connection)
{
netplay->read_frame_count = netplay->other_frame_count = netplay->self_frame_count;
netplay->read_ptr = netplay->other_ptr = netplay->self_ptr;
return;
}
#ifndef DEBUG_NONDETERMINISTIC_CORES
if (!netplay->force_rewind)
{
/* Skip ahead if we predicted correctly.
* Skip until our simulation failed. */
while (netplay->other_frame_count < netplay->read_frame_count &&
netplay->other_frame_count < netplay->self_frame_count)
{
struct delta_frame *ptr = &netplay->buffer[netplay->other_ptr];
if (memcmp(ptr->simulated_input_state, ptr->real_input_state,
sizeof(ptr->real_input_state)) != 0
&& !ptr->used_real)
break;
netplay_handle_frame_hash(netplay, ptr);
netplay->other_ptr = NEXT_PTR(netplay->other_ptr);
netplay->other_frame_count++;
}
}
#endif
/* Now replay the real input if we've gotten ahead of it */
if (netplay->force_rewind ||
(netplay->other_frame_count < netplay->read_frame_count &&
netplay->other_frame_count < netplay->self_frame_count))
{
retro_ctx_serialize_info_t serial_info;
/* Replay frames. */
netplay->is_replay = true;
netplay->replay_ptr = netplay->other_ptr;
netplay->replay_frame_count = netplay->other_frame_count;
if (netplay->quirks & NETPLAY_QUIRK_INITIALIZATION)
/* Make sure we're initialized before we start loading things */
netplay_wait_and_init_serialization(netplay);
serial_info.data = NULL;
serial_info.data_const = netplay->buffer[netplay->replay_ptr].state;
serial_info.size = netplay->state_size;
if (!core_unserialize(&serial_info))
{
RARCH_ERR("Netplay savestate loading failed: Prepare for desync!\n");
}
while (netplay->replay_frame_count < netplay->self_frame_count)
{
struct delta_frame *ptr = &netplay->buffer[netplay->replay_ptr];
serial_info.data = ptr->state;
serial_info.size = netplay->state_size;
serial_info.data_const = NULL;
/* Remember the current state */
memset(serial_info.data, 0, serial_info.size);
core_serialize(&serial_info);
if (netplay->replay_frame_count < netplay->read_frame_count)
netplay_handle_frame_hash(netplay, ptr);
/* Simulate this frame's input */
if (netplay->replay_frame_count >= netplay->read_frame_count)
netplay_simulate_input(netplay, netplay->replay_ptr);
autosave_lock();
core_run();
autosave_unlock();
netplay->replay_ptr = NEXT_PTR(netplay->replay_ptr);
netplay->replay_frame_count++;
#ifdef DEBUG_NONDETERMINISTIC_CORES
if (ptr->have_remote && netplay_delta_frame_ready(netplay, &netplay->buffer[netplay->replay_ptr], netplay->replay_frame_count))
{
RARCH_LOG("PRE %u: %X\n", netplay->replay_frame_count-1, netplay_delta_frame_crc(netplay, ptr));
if (netplay->is_server)
RARCH_LOG("INP %X %X\n", ptr->real_input_state[0], ptr->self_state[0]);
else
RARCH_LOG("INP %X %X\n", ptr->self_state[0], ptr->real_input_state[0]);
ptr = &netplay->buffer[netplay->replay_ptr];
serial_info.data = ptr->state;
memset(serial_info.data, 0, serial_info.size);
core_serialize(&serial_info);
RARCH_LOG("POST %u: %X\n", netplay->replay_frame_count-1, netplay_delta_frame_crc(netplay, ptr));
}
#endif
}
if (netplay->read_frame_count < netplay->self_frame_count)
{
netplay->other_ptr = netplay->read_ptr;
netplay->other_frame_count = netplay->read_frame_count;
}
else
{
netplay->other_ptr = netplay->self_ptr;
netplay->other_frame_count = netplay->self_frame_count;
}
netplay->is_replay = false;
netplay->force_rewind = false;
}
/* If we're supposed to stall, rewind (we shouldn't get this far if we're
* stalled, so this is a last resort) */
if (netplay->stall)
{
retro_ctx_serialize_info_t serial_info;
netplay->self_ptr = PREV_PTR(netplay->self_ptr);
netplay->self_frame_count--;
serial_info.data = NULL;
serial_info.data_const = netplay->buffer[netplay->self_ptr].state;
serial_info.size = netplay->state_size;
core_unserialize(&serial_info);
}
}
/**
* 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;
}
/**
* netplay_sync_post_frame
* @netplay : pointer to netplay object
*
* Post-frame for Netplay synchronization.
* We check if we have new input and replay from recorded input.
*/
void netplay_sync_post_frame(netplay_t *netplay, bool stalled)
{
uint32_t lo_frame_count, hi_frame_count;
/* Unless we're stalling, we've just finished running a frame */
if (!stalled)
{
netplay->run_ptr = NEXT_PTR(netplay->run_ptr);
netplay->run_frame_count++;
}
/* We've finished an input frame even if we're stalling */
if ((!stalled || netplay->stall == NETPLAY_STALL_INPUT_LATENCY) &&
netplay->self_frame_count < netplay->run_frame_count + netplay->input_latency_frames)
{
netplay->self_ptr = NEXT_PTR(netplay->self_ptr);
netplay->self_frame_count++;
}
/* Only relevant if we're connected and not in a desynching operation */
if ((netplay->is_server && !netplay->connected_players) ||
(netplay->self_mode < NETPLAY_CONNECTION_CONNECTED) ||
(netplay->desync))
{
netplay->other_frame_count = netplay->self_frame_count;
netplay->other_ptr = netplay->self_ptr;
/* FIXME: Duplication */
if (netplay->catch_up)
{
netplay->catch_up = false;
input_driver_unset_nonblock_state();
driver_set_nonblock_state();
}
return;
}
/* Reset if it was requested */
if (netplay->force_reset)
{
core_reset();
netplay->force_reset = false;
}
#ifndef DEBUG_NONDETERMINISTIC_CORES
if (!netplay->force_rewind)
{
/* Skip ahead if we predicted correctly.
* Skip until our simulation failed. */
while (netplay->other_frame_count < netplay->unread_frame_count &&
netplay->other_frame_count < netplay->run_frame_count)
{
struct delta_frame *ptr = &netplay->buffer[netplay->other_ptr];
size_t i;
for (i = 0; i < MAX_USERS; i++)
{
if (memcmp(ptr->simulated_input_state[i], ptr->real_input_state[i],
sizeof(ptr->real_input_state[i])) != 0
&& !ptr->used_real[i])
break;
}
if (i != MAX_USERS) break;
netplay_handle_frame_hash(netplay, ptr);
netplay->other_ptr = NEXT_PTR(netplay->other_ptr);
netplay->other_frame_count++;
}
}
#endif
/* Now replay the real input if we've gotten ahead of it */
if (netplay->force_rewind ||
(netplay->other_frame_count < netplay->unread_frame_count &&
netplay->other_frame_count < netplay->run_frame_count))
{
retro_ctx_serialize_info_t serial_info;
/* Replay frames. */
netplay->is_replay = true;
netplay->replay_ptr = netplay->other_ptr;
netplay->replay_frame_count = netplay->other_frame_count;
if (netplay->quirks & NETPLAY_QUIRK_INITIALIZATION)
/* Make sure we're initialized before we start loading things */
netplay_wait_and_init_serialization(netplay);
serial_info.data = NULL;
serial_info.data_const = netplay->buffer[netplay->replay_ptr].state;
serial_info.size = netplay->state_size;
if (!core_unserialize(&serial_info))
{
RARCH_ERR("Netplay savestate loading failed: Prepare for desync!\n");
}
while (netplay->replay_frame_count < netplay->run_frame_count)
{
retro_time_t start, tm;
struct delta_frame *ptr = &netplay->buffer[netplay->replay_ptr];
serial_info.data = ptr->state;
serial_info.size = netplay->state_size;
serial_info.data_const = NULL;
start = cpu_features_get_time_usec();
/* Remember the current state */
memset(serial_info.data, 0, serial_info.size);
core_serialize(&serial_info);
if (netplay->replay_frame_count < netplay->unread_frame_count)
netplay_handle_frame_hash(netplay, ptr);
/* Re-simulate this frame's input */
netplay_simulate_input(netplay, netplay->replay_ptr, true);
autosave_lock();
core_run();
autosave_unlock();
netplay->replay_ptr = NEXT_PTR(netplay->replay_ptr);
netplay->replay_frame_count++;
#ifdef DEBUG_NONDETERMINISTIC_CORES
if (ptr->have_remote && netplay_delta_frame_ready(netplay, &netplay->buffer[netplay->replay_ptr], netplay->replay_frame_count))
{
RARCH_LOG("PRE %u: %X\n", netplay->replay_frame_count-1, netplay_delta_frame_crc(netplay, ptr));
if (netplay->is_server)
RARCH_LOG("INP %X %X\n", ptr->real_input_state[0], ptr->self_state[0]);
else
RARCH_LOG("INP %X %X\n", ptr->self_state[0], ptr->real_input_state[0]);
ptr = &netplay->buffer[netplay->replay_ptr];
serial_info.data = ptr->state;
memset(serial_info.data, 0, serial_info.size);
core_serialize(&serial_info);
RARCH_LOG("POST %u: %X\n", netplay->replay_frame_count-1, netplay_delta_frame_crc(netplay, ptr));
}
#endif
/* Get our time window */
tm = cpu_features_get_time_usec() - start;
netplay->frame_run_time_sum -= netplay->frame_run_time[netplay->frame_run_time_ptr];
netplay->frame_run_time[netplay->frame_run_time_ptr] = tm;
netplay->frame_run_time_sum += tm;
netplay->frame_run_time_ptr++;
if (netplay->frame_run_time_ptr >= NETPLAY_FRAME_RUN_TIME_WINDOW)
netplay->frame_run_time_ptr = 0;
}
/* Average our time */
netplay->frame_run_time_avg = netplay->frame_run_time_sum / NETPLAY_FRAME_RUN_TIME_WINDOW;
if (netplay->unread_frame_count < netplay->run_frame_count)
{
netplay->other_ptr = netplay->unread_ptr;
netplay->other_frame_count = netplay->unread_frame_count;
}
else
{
netplay->other_ptr = netplay->run_ptr;
netplay->other_frame_count = netplay->run_frame_count;
}
netplay->is_replay = false;
netplay->force_rewind = false;
}
if (netplay->is_server)
{
uint32_t player;
lo_frame_count = hi_frame_count = netplay->unread_frame_count;
/* Look for players that are ahead of us */
for (player = 0; player < MAX_USERS; player++)
{
if (!(netplay->connected_players & (1<<player))) continue;
if (netplay->read_frame_count[player] > hi_frame_count)
hi_frame_count = netplay->read_frame_count[player];
}
}
else
{
lo_frame_count = hi_frame_count = netplay->server_frame_count;
}
/* If we're behind, try to catch up */
if (netplay->catch_up)
{
/* Are we caught up? */
if (netplay->self_frame_count + 1 >= lo_frame_count)
{
netplay->catch_up = false;
input_driver_unset_nonblock_state();
driver_set_nonblock_state();
}
}
else if (!stalled)
{
if (netplay->self_frame_count + 3 < lo_frame_count)
{
retro_time_t cur_time = cpu_features_get_time_usec();
uint32_t cur_behind = lo_frame_count - netplay->self_frame_count;
/* We're behind, but we'll only try to catch up if we're actually
* falling behind, i.e. if we're more behind after some time */
if (netplay->catch_up_time == 0)
{
/* Record our current time to check for catch-up later */
netplay->catch_up_time = cur_time;
netplay->catch_up_behind = cur_behind;
}
else if (cur_time - netplay->catch_up_time > CATCH_UP_CHECK_TIME_USEC)
{
/* Time to check how far behind we are */
if (netplay->catch_up_behind <= cur_behind)
{
/* We're definitely falling behind! */
netplay->catch_up = true;
netplay->catch_up_time = 0;
input_driver_set_nonblock_state();
driver_set_nonblock_state();
}
else
{
/* Check again in another period */
netplay->catch_up_time = cur_time;
netplay->catch_up_behind = cur_behind;
}
}
}
else if (netplay->self_frame_count + 3 < hi_frame_count)
{
size_t i;
netplay->catch_up_time = 0;
/* We're falling behind some clients but not others, so request that
* clients ahead of us stall */
for (i = 0; i < netplay->connections_size; i++)
{
struct netplay_connection *connection = &netplay->connections[i];
int player;
if (!connection->active ||
connection->mode != NETPLAY_CONNECTION_PLAYING)
continue;
player = connection->player;
/* Are they ahead? */
if (netplay->self_frame_count + 3 < netplay->read_frame_count[player])
{
/* Tell them to stall */
if (connection->stall_frame + NETPLAY_MAX_REQ_STALL_FREQUENCY <
netplay->self_frame_count)
{
connection->stall_frame = netplay->self_frame_count;
netplay_cmd_stall(netplay, connection,
netplay->read_frame_count[player] -
netplay->self_frame_count + 1);
}
}
}
}
else
netplay->catch_up_time = 0;
}
else
netplay->catch_up_time = 0;
}
/**
* post_frame:
* @netplay : pointer to netplay object
*
* Post-frame for Netplay (normal version).
* We check if we have new input and replay from recorded input.
**/
static void netplay_net_post_frame(netplay_t *netplay)
{
netplay->frame_count++;
/* Nothing to do... */
if (netplay->other_frame_count == netplay->read_frame_count)
return;
/* Skip ahead if we predicted correctly.
* Skip until our simulation failed. */
while (netplay->other_frame_count < netplay->read_frame_count)
{
const struct delta_frame *ptr = &netplay->buffer[netplay->other_ptr];
if (memcmp(ptr->simulated_input_state, ptr->real_input_state,
sizeof(ptr->real_input_state)) != 0
&& !ptr->used_real)
break;
netplay->other_ptr = NEXT_PTR(netplay->other_ptr);
netplay->other_frame_count++;
}
if (netplay->other_frame_count < netplay->read_frame_count)
{
retro_ctx_serialize_info_t serial_info;
bool first = true;
/* Replay frames. */
netplay->is_replay = true;
netplay->tmp_ptr = netplay->other_ptr;
netplay->tmp_frame_count = netplay->other_frame_count;
serial_info.data_const = netplay->buffer[netplay->other_ptr].state;
serial_info.size = netplay->state_size;
core_unserialize(&serial_info);
while (first || (netplay->tmp_ptr != netplay->self_ptr))
{
serial_info.data = netplay->buffer[netplay->tmp_ptr].state;
serial_info.size = netplay->state_size;
serial_info.data_const = NULL;
core_serialize(&serial_info);
#if defined(HAVE_THREADS)
autosave_lock();
#endif
core_run();
#if defined(HAVE_THREADS)
autosave_unlock();
#endif
netplay->tmp_ptr = NEXT_PTR(netplay->tmp_ptr);
netplay->tmp_frame_count++;
first = false;
}
netplay->other_ptr = netplay->read_ptr;
netplay->other_frame_count = netplay->read_frame_count;
netplay->is_replay = false;
}
}
/**
* 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;
retro_time_t current, target, to_sleep_ms;
static uint64_t last_input = 0;
enum runloop_state runloop_status = RUNLOOP_STATE_NONE;
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();
uint64_t current_input = menu_driver_ctl(RARCH_MENU_CTL_IS_ALIVE, NULL) ? input_menu_keys_pressed() : input_keys_pressed();
uint64_t old_input = last_input;
last_input = current_input;
if (runloop_frame_time_last_enable)
{
runloop_frame_time_last = 0;
runloop_frame_time_last_enable = false;
}
if (runloop_set_frame_limit)
{
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_set_frame_limit = false;
}
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_paused ||
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_slowmotion)
delta /= settings->slowmotion_ratio;
runloop_frame_time_last = current;
if (is_locked_fps)
runloop_frame_time_last = 0;
runloop_frame_time.callback(delta);
}
runloop_status = runloop_check_state(settings, current_input,
old_input, sleep_ms);
switch (runloop_status)
{
case RUNLOOP_STATE_QUIT:
frame_limit_last_time = 0.0;
command_event(CMD_EVENT_QUIT, NULL);
return -1;
case RUNLOOP_STATE_SLEEP:
case RUNLOOP_STATE_END:
case RUNLOOP_STATE_MENU_ITERATE:
core_poll();
#ifdef HAVE_NETWORKING
/* FIXME: This is an ugly way to tell Netplay this... */
netplay_driver_ctl(RARCH_NETPLAY_CTL_PAUSE, NULL);
#endif
if (runloop_status == RUNLOOP_STATE_SLEEP)
*sleep_ms = 10;
if (runloop_status == RUNLOOP_STATE_END)
goto end;
if (runloop_status == RUNLOOP_STATE_MENU_ITERATE)
return 0;
return 1;
case RUNLOOP_STATE_ITERATE:
case RUNLOOP_STATE_NONE:
default:
break;
}
autosave_lock();
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);
autosave_unlock();
if (!settings->fastforward_ratio)
return 0;
end:
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;
}
