void state_manager_event_deinit(void)
{
if (rewind_state.state)
state_manager_free(rewind_state.state);
rewind_state.state = NULL;
rewind_state.size = 0;
}
state_manager_t *state_manager_new(size_t state_size, size_t buffer_size)
{
size_t newblocksize;
int maxcblks;
const int maxcblkcover = UINT16_MAX * sizeof(uint16_t);
state_manager_t *state = (state_manager_t*)calloc(1, sizeof(*state));
if (!state)
return NULL;
newblocksize = ((state_size - 1) | (sizeof(uint16_t) - 1)) + 1;
state->blocksize = newblocksize;
maxcblks = (state->blocksize + maxcblkcover - 1) / maxcblkcover;
state->maxcompsize = state->blocksize + maxcblks * sizeof(uint16_t) * 2 +
sizeof(uint16_t) + sizeof(uint32_t) + sizeof(size_t) * 2;
state->data = (uint8_t*)malloc(buffer_size);
state->thisblock = (uint8_t*)
calloc(state->blocksize + sizeof(uint16_t) * 4 + 16, 1);
state->nextblock = (uint8_t*)
calloc(state->blocksize + sizeof(uint16_t) * 4 + 16, 1);
if (!state->data || !state->thisblock || !state->nextblock)
goto error;
/* Force in a different byte at the end, so we don't need to check
* bounds in the innermost loop (it's expensive).
*
* There is also a large amount of data that's the same, to stop
* the other scan.
*
* There is also some padding at the end. This is so we don't
* read outside the buffer end if we're reading in large blocks;
*
* It doesn't make any difference to us, but sacrificing 16 bytes to get
* Valgrind happy is worth it. */
*(uint16_t*)(state->thisblock + state->blocksize + sizeof(uint16_t) * 3) =
0xFFFF;
*(uint16_t*)(state->nextblock + state->blocksize + sizeof(uint16_t) * 3) =
0x0000;
state->capacity = buffer_size;
state->head = state->data + sizeof(size_t);
state->tail = state->data + sizeof(size_t);
return state;
error:
state_manager_free(state);
return NULL;
}
static state_manager_t *state_manager_new(size_t state_size, size_t buffer_size)
{
state_manager_t *state = (state_manager_t*)calloc(1, sizeof(*state));
if (!state)
return NULL;
state->blocksize = (state_size + sizeof(uint16_t) - 1) & -sizeof(uint16_t);
/* the compressed data is surrounded by pointers to the other side */
state->maxcompsize = state_manager_raw_maxsize(state_size) + sizeof(size_t) * 2;
state->data = (uint8_t*)malloc(buffer_size);
if (!state->data)
goto error;
state->thisblock = (uint8_t*)state_manager_raw_alloc(state_size, 0);
state->nextblock = (uint8_t*)state_manager_raw_alloc(state_size, 1);
if (!state->thisblock || !state->nextblock)
goto error;
state->capacity = buffer_size;
state->head = state->data + sizeof(size_t);
state->tail = state->data + sizeof(size_t);
#if STRICT_BUF_SIZE
state->debugsize = state_size;
state->debugblock = (uint8_t*)malloc(state_size);
#endif
return state;
error:
state_manager_free(state);
return NULL;
}
/**
* event_command:
* @cmd : Event command index.
*
* Performs RetroArch event command with index @cmd.
*
* Returns: true (1) on success, otherwise false (0).
**/
bool event_command(enum event_command cmd)
{
unsigned i = 0;
bool boolean = false;
runloop_t *runloop = rarch_main_get_ptr();
driver_t *driver = driver_get_ptr();
global_t *global = global_get_ptr();
settings_t *settings = config_get_ptr();
rarch_system_info_t *system = rarch_system_info_get_ptr();
(void)i;
switch (cmd)
{
case EVENT_CMD_LOAD_CONTENT_PERSIST:
#ifdef HAVE_DYNAMIC
event_command(EVENT_CMD_LOAD_CORE);
#endif
rarch_main_set_state(RARCH_ACTION_STATE_LOAD_CONTENT);
break;
#ifdef HAVE_FFMPEG
case EVENT_CMD_LOAD_CONTENT_FFMPEG:
rarch_main_set_state(RARCH_ACTION_STATE_LOAD_CONTENT_FFMPEG);
break;
#endif
case EVENT_CMD_LOAD_CONTENT_IMAGEVIEWER:
rarch_main_set_state(RARCH_ACTION_STATE_LOAD_CONTENT_IMAGEVIEWER);
break;
case EVENT_CMD_LOAD_CONTENT:
#ifdef HAVE_DYNAMIC
event_command(EVENT_CMD_LOAD_CONTENT_PERSIST);
#else
rarch_environment_cb(RETRO_ENVIRONMENT_SET_LIBRETRO_PATH,
(void*)settings->libretro);
rarch_environment_cb(RETRO_ENVIRONMENT_EXEC,
(void*)global->fullpath);
event_command(EVENT_CMD_QUIT);
#endif
break;
case EVENT_CMD_LOAD_CORE_DEINIT:
#ifdef HAVE_DYNAMIC
libretro_free_system_info(&global->menu.info);
#endif
break;
case EVENT_CMD_LOAD_CORE_PERSIST:
event_command(EVENT_CMD_LOAD_CORE_DEINIT);
{
#ifdef HAVE_MENU
menu_handle_t *menu = menu_driver_get_ptr();
if (menu)
event_update_system_info(&global->menu.info,
&menu->load_no_content);
#endif
}
break;
case EVENT_CMD_LOAD_CORE:
event_command(EVENT_CMD_LOAD_CORE_PERSIST);
#ifndef HAVE_DYNAMIC
event_command(EVENT_CMD_QUIT);
#endif
break;
case EVENT_CMD_LOAD_STATE:
/* Immutable - disallow savestate load when
* we absolutely cannot change game state. */
if (global->bsv.movie)
return false;
#ifdef HAVE_NETPLAY
if (driver->netplay_data)
return false;
#endif
event_main_state(cmd);
break;
case EVENT_CMD_RESIZE_WINDOWED_SCALE:
if (global->pending.windowed_scale == 0)
return false;
settings->video.scale = global->pending.windowed_scale;
if (!settings->video.fullscreen)
event_command(EVENT_CMD_REINIT);
global->pending.windowed_scale = 0;
break;
case EVENT_CMD_MENU_TOGGLE:
if (menu_driver_alive())
rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED);
else
rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING);
break;
case EVENT_CMD_CONTROLLERS_INIT:
event_init_controllers();
break;
case EVENT_CMD_RESET:
RARCH_LOG(RETRO_LOG_RESETTING_CONTENT);
rarch_main_msg_queue_push("Reset.", 1, 120, true);
pretro_reset();
/* bSNES since v073r01 resets controllers to JOYPAD
* after a reset, so just enforce it here. */
event_command(EVENT_CMD_CONTROLLERS_INIT);
break;
case EVENT_CMD_SAVE_STATE:
if (settings->savestate_auto_index)
settings->state_slot++;
event_main_state(cmd);
break;
case EVENT_CMD_TAKE_SCREENSHOT:
if (!take_screenshot())
return false;
break;
case EVENT_CMD_PREPARE_DUMMY:
{
#ifdef HAVE_MENU
menu_handle_t *menu = menu_driver_get_ptr();
if (menu)
menu->load_no_content = false;
#endif
rarch_main_data_deinit();
*global->fullpath = '\0';
rarch_main_set_state(RARCH_ACTION_STATE_LOAD_CONTENT);
}
break;
case EVENT_CMD_UNLOAD_CORE:
event_command(EVENT_CMD_PREPARE_DUMMY);
event_command(EVENT_CMD_LOAD_CORE_DEINIT);
break;
case EVENT_CMD_QUIT:
rarch_main_set_state(RARCH_ACTION_STATE_QUIT);
break;
case EVENT_CMD_REINIT:
{
const struct retro_hw_render_callback *hw_render =
(const struct retro_hw_render_callback*)video_driver_callback();
driver->video_cache_context = hw_render->cache_context;
driver->video_cache_context_ack = false;
event_command(EVENT_CMD_RESET_CONTEXT);
driver->video_cache_context = false;
/* Poll input to avoid possibly stale data to corrupt things. */
input_driver_poll();
#ifdef HAVE_MENU
menu_display_fb_set_dirty();
if (menu_driver_alive())
event_command(EVENT_CMD_VIDEO_SET_BLOCKING_STATE);
#endif
}
break;
case EVENT_CMD_CHEATS_DEINIT:
if (!global)
break;
if (global->cheat)
cheat_manager_free(global->cheat);
global->cheat = NULL;
break;
case EVENT_CMD_CHEATS_INIT:
event_command(EVENT_CMD_CHEATS_DEINIT);
event_init_cheats();
break;
case EVENT_CMD_REMAPPING_DEINIT:
break;
case EVENT_CMD_REMAPPING_INIT:
event_command(EVENT_CMD_REMAPPING_DEINIT);
event_init_remapping();
break;
case EVENT_CMD_REWIND_DEINIT:
if (!global)
break;
#ifdef HAVE_NETPLAY
if (driver->netplay_data)
return false;
#endif
if (global->rewind.state)
state_manager_free(global->rewind.state);
global->rewind.state = NULL;
break;
case EVENT_CMD_REWIND_INIT:
init_rewind();
break;
case EVENT_CMD_REWIND_TOGGLE:
if (settings->rewind_enable)
event_command(EVENT_CMD_REWIND_INIT);
else
event_command(EVENT_CMD_REWIND_DEINIT);
break;
case EVENT_CMD_AUTOSAVE_DEINIT:
#ifdef HAVE_THREADS
event_deinit_autosave();
#endif
break;
case EVENT_CMD_AUTOSAVE_INIT:
event_command(EVENT_CMD_AUTOSAVE_DEINIT);
#ifdef HAVE_THREADS
event_init_autosave();
#endif
break;
case EVENT_CMD_AUTOSAVE_STATE:
event_save_auto_state();
break;
case EVENT_CMD_AUDIO_STOP:
if (!driver->audio_data)
return false;
if (!audio_driver_alive())
return false;
if (!audio_driver_stop())
return false;
break;
case EVENT_CMD_AUDIO_START:
if (!driver->audio_data || audio_driver_alive())
return false;
if (!settings->audio.mute_enable && !audio_driver_start())
{
RARCH_ERR("Failed to start audio driver. Will continue without audio.\n");
driver->audio_active = false;
}
break;
case EVENT_CMD_AUDIO_MUTE_TOGGLE:
{
const char *msg = !settings->audio.mute_enable ?
"Audio muted." : "Audio unmuted.";
if (!audio_driver_mute_toggle())
{
RARCH_ERR("Failed to unmute audio.\n");
return false;
}
rarch_main_msg_queue_push(msg, 1, 180, true);
RARCH_LOG("%s\n", msg);
}
break;
case EVENT_CMD_OVERLAY_DEINIT:
#ifdef HAVE_OVERLAY
if (driver->overlay)
input_overlay_free(driver->overlay);
driver->overlay = NULL;
memset(&driver->overlay_state, 0, sizeof(driver->overlay_state));
#endif
break;
case EVENT_CMD_OVERLAY_INIT:
event_command(EVENT_CMD_OVERLAY_DEINIT);
#ifdef HAVE_OVERLAY
if (driver->osk_enable)
{
if (!*settings->osk.overlay)
break;
}
else
{
if (!*settings->input.overlay)
break;
}
driver->overlay = input_overlay_new(driver->osk_enable ? settings->osk.overlay : settings->input.overlay,
driver->osk_enable ? settings->osk.enable : settings->input.overlay_enable,
settings->input.overlay_opacity, settings->input.overlay_scale);
if (!driver->overlay)
RARCH_ERR("Failed to load overlay.\n");
#endif
break;
case EVENT_CMD_OVERLAY_NEXT:
#ifdef HAVE_OVERLAY
input_overlay_next(driver->overlay, settings->input.overlay_opacity);
#endif
break;
case EVENT_CMD_DSP_FILTER_DEINIT:
if (!global)
break;
audio_driver_dsp_filter_free();
break;
case EVENT_CMD_DSP_FILTER_INIT:
event_command(EVENT_CMD_DSP_FILTER_DEINIT);
if (!*settings->audio.dsp_plugin)
break;
audio_driver_dsp_filter_init(settings->audio.dsp_plugin);
break;
case EVENT_CMD_GPU_RECORD_DEINIT:
if (!global)
break;
if (global->record.gpu_buffer)
free(global->record.gpu_buffer);
global->record.gpu_buffer = NULL;
break;
case EVENT_CMD_RECORD_DEINIT:
if (!recording_deinit())
return false;
break;
case EVENT_CMD_RECORD_INIT:
event_command(EVENT_CMD_HISTORY_DEINIT);
if (!recording_init())
return false;
break;
case EVENT_CMD_HISTORY_DEINIT:
if (g_defaults.history)
{
content_playlist_write_file(g_defaults.history);
content_playlist_free(g_defaults.history);
}
g_defaults.history = NULL;
break;
case EVENT_CMD_HISTORY_INIT:
event_command(EVENT_CMD_HISTORY_DEINIT);
if (!settings->history_list_enable)
return false;
RARCH_LOG("Loading history file: [%s].\n", settings->content_history_path);
g_defaults.history = content_playlist_init(
settings->content_history_path,
settings->content_history_size);
break;
case EVENT_CMD_CORE_INFO_DEINIT:
if (!global)
break;
if (global->core_info)
core_info_list_free(global->core_info);
global->core_info = NULL;
break;
case EVENT_CMD_DATA_RUNLOOP_FREE:
rarch_main_data_free();
break;
case EVENT_CMD_CORE_INFO_INIT:
event_command(EVENT_CMD_CORE_INFO_DEINIT);
if (*settings->libretro_directory)
global->core_info = core_info_list_new();
break;
case EVENT_CMD_CORE_DEINIT:
{
struct retro_hw_render_callback *cb = video_driver_callback();
event_deinit_core(true);
if (cb)
memset(cb, 0, sizeof(*cb));
break;
}
case EVENT_CMD_CORE_INIT:
if (!event_init_core())
return false;
break;
case EVENT_CMD_VIDEO_APPLY_STATE_CHANGES:
video_driver_apply_state_changes();
break;
case EVENT_CMD_VIDEO_SET_NONBLOCKING_STATE:
boolean = true; /* fall-through */
case EVENT_CMD_VIDEO_SET_BLOCKING_STATE:
video_driver_set_nonblock_state(boolean);
break;
case EVENT_CMD_VIDEO_SET_ASPECT_RATIO:
video_driver_set_aspect_ratio(settings->video.aspect_ratio_idx);
break;
case EVENT_CMD_AUDIO_SET_NONBLOCKING_STATE:
boolean = true; /* fall-through */
case EVENT_CMD_AUDIO_SET_BLOCKING_STATE:
audio_driver_set_nonblock_state(boolean);
break;
case EVENT_CMD_OVERLAY_SET_SCALE_FACTOR:
#ifdef HAVE_OVERLAY
input_overlay_set_scale_factor(driver->overlay,
settings->input.overlay_scale);
#endif
break;
case EVENT_CMD_OVERLAY_SET_ALPHA_MOD:
#ifdef HAVE_OVERLAY
input_overlay_set_alpha_mod(driver->overlay,
settings->input.overlay_opacity);
#endif
break;
case EVENT_CMD_DRIVERS_DEINIT:
uninit_drivers(DRIVERS_CMD_ALL);
break;
case EVENT_CMD_DRIVERS_INIT:
init_drivers(DRIVERS_CMD_ALL);
break;
case EVENT_CMD_AUDIO_REINIT:
uninit_drivers(DRIVER_AUDIO);
init_drivers(DRIVER_AUDIO);
break;
case EVENT_CMD_RESET_CONTEXT:
event_command(EVENT_CMD_DRIVERS_DEINIT);
event_command(EVENT_CMD_DRIVERS_INIT);
break;
case EVENT_CMD_QUIT_RETROARCH:
rarch_main_set_state(RARCH_ACTION_STATE_FORCE_QUIT);
break;
case EVENT_CMD_RESUME:
rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED);
break;
case EVENT_CMD_RESTART_RETROARCH:
#if defined(GEKKO) && defined(HW_RVL)
fill_pathname_join(global->fullpath, g_defaults.core_dir,
SALAMANDER_FILE,
sizeof(global->fullpath));
#endif
if (driver->frontend_ctx && driver->frontend_ctx->set_fork)
driver->frontend_ctx->set_fork(true, false);
break;
case EVENT_CMD_MENU_SAVE_CONFIG:
if (!event_save_core_config())
return false;
break;
case EVENT_CMD_SHADERS_APPLY_CHANGES:
#ifdef HAVE_MENU
menu_shader_manager_apply_changes();
#endif
break;
case EVENT_CMD_PAUSE_CHECKS:
if (runloop->is_paused)
{
RARCH_LOG("Paused.\n");
event_command(EVENT_CMD_AUDIO_STOP);
if (settings->video.black_frame_insertion)
video_driver_cached_frame();
}
else
{
RARCH_LOG("Unpaused.\n");
event_command(EVENT_CMD_AUDIO_START);
}
break;
case EVENT_CMD_PAUSE_TOGGLE:
runloop->is_paused = !runloop->is_paused;
event_command(EVENT_CMD_PAUSE_CHECKS);
break;
case EVENT_CMD_UNPAUSE:
runloop->is_paused = false;
event_command(EVENT_CMD_PAUSE_CHECKS);
break;
case EVENT_CMD_PAUSE:
runloop->is_paused = true;
event_command(EVENT_CMD_PAUSE_CHECKS);
break;
case EVENT_CMD_MENU_PAUSE_LIBRETRO:
if (menu_driver_alive())
{
if (settings->menu.pause_libretro)
event_command(EVENT_CMD_AUDIO_STOP);
else
event_command(EVENT_CMD_AUDIO_START);
}
else
{
if (settings->menu.pause_libretro)
event_command(EVENT_CMD_AUDIO_START);
}
break;
case EVENT_CMD_SHADER_DIR_DEINIT:
if (!global)
break;
dir_list_free(global->shader_dir.list);
global->shader_dir.list = NULL;
global->shader_dir.ptr = 0;
break;
case EVENT_CMD_SHADER_DIR_INIT:
event_command(EVENT_CMD_SHADER_DIR_DEINIT);
if (!*settings->video.shader_dir)
return false;
global->shader_dir.list = dir_list_new_special(NULL, DIR_LIST_SHADERS);
if (!global->shader_dir.list || global->shader_dir.list->size == 0)
{
event_command(EVENT_CMD_SHADER_DIR_DEINIT);
return false;
}
global->shader_dir.ptr = 0;
dir_list_sort(global->shader_dir.list, false);
for (i = 0; i < global->shader_dir.list->size; i++)
RARCH_LOG("Found shader \"%s\"\n",
global->shader_dir.list->elems[i].data);
break;
case EVENT_CMD_SAVEFILES:
event_save_files();
break;
case EVENT_CMD_SAVEFILES_DEINIT:
if (!global)
break;
if (global->savefiles)
string_list_free(global->savefiles);
global->savefiles = NULL;
break;
case EVENT_CMD_SAVEFILES_INIT:
global->use_sram = global->use_sram && !global->sram_save_disable
#ifdef HAVE_NETPLAY
&& (!driver->netplay_data || !global->netplay_is_client)
#endif
;
if (!global->use_sram)
RARCH_LOG("SRAM will not be saved.\n");
if (global->use_sram)
event_command(EVENT_CMD_AUTOSAVE_INIT);
break;
case EVENT_CMD_MSG_QUEUE_DEINIT:
rarch_main_msg_queue_free();
break;
case EVENT_CMD_MSG_QUEUE_INIT:
event_command(EVENT_CMD_MSG_QUEUE_DEINIT);
rarch_main_msg_queue_init();
rarch_main_data_init_queues();
break;
case EVENT_CMD_BSV_MOVIE_DEINIT:
if (!global)
break;
if (global->bsv.movie)
bsv_movie_free(global->bsv.movie);
global->bsv.movie = NULL;
break;
case EVENT_CMD_BSV_MOVIE_INIT:
event_command(EVENT_CMD_BSV_MOVIE_DEINIT);
event_init_movie();
break;
case EVENT_CMD_NETPLAY_DEINIT:
#ifdef HAVE_NETPLAY
deinit_netplay();
#endif
break;
case EVENT_CMD_NETWORK_DEINIT:
#ifdef HAVE_NETWORKING
network_deinit();
#endif
break;
case EVENT_CMD_NETWORK_INIT:
#ifdef HAVE_NETWORKING
network_init();
#endif
break;
case EVENT_CMD_NETPLAY_INIT:
event_command(EVENT_CMD_NETPLAY_DEINIT);
#ifdef HAVE_NETPLAY
if (!init_netplay())
return false;
#endif
break;
case EVENT_CMD_NETPLAY_FLIP_PLAYERS:
#ifdef HAVE_NETPLAY
{
netplay_t *netplay = (netplay_t*)driver->netplay_data;
if (!netplay)
return false;
netplay_flip_users(netplay);
}
#endif
break;
case EVENT_CMD_FULLSCREEN_TOGGLE:
if (!video_driver_has_windowed())
return false;
/* If we go fullscreen we drop all drivers and
* reinitialize to be safe. */
settings->video.fullscreen = !settings->video.fullscreen;
event_command(EVENT_CMD_REINIT);
break;
case EVENT_CMD_COMMAND_DEINIT:
#ifdef HAVE_COMMAND
if (driver->command)
rarch_cmd_free(driver->command);
driver->command = NULL;
#endif
break;
case EVENT_CMD_COMMAND_INIT:
event_command(EVENT_CMD_COMMAND_DEINIT);
#ifdef HAVE_COMMAND
event_init_command();
#endif
break;
case EVENT_CMD_TEMPORARY_CONTENT_DEINIT:
if (!global)
break;
if (global->temporary_content)
event_free_temporary_content();
global->temporary_content = NULL;
break;
case EVENT_CMD_SUBSYSTEM_FULLPATHS_DEINIT:
if (!global)
break;
if (global->subsystem_fullpaths)
string_list_free(global->subsystem_fullpaths);
global->subsystem_fullpaths = NULL;
break;
case EVENT_CMD_LOG_FILE_DEINIT:
if (!global)
break;
if (global->log_file && global->log_file != stderr)
fclose(global->log_file);
global->log_file = NULL;
break;
case EVENT_CMD_DISK_EJECT_TOGGLE:
if (system && system->disk_control.get_num_images)
{
const struct retro_disk_control_callback *control =
(const struct retro_disk_control_callback*)
&system->disk_control;
if (control)
event_check_disk_eject(control);
}
else
rarch_main_msg_queue_push("Core does not support Disk Options.", 1, 120, true);
break;
case EVENT_CMD_DISK_NEXT:
if (system && system->disk_control.get_num_images)
{
const struct retro_disk_control_callback *control =
(const struct retro_disk_control_callback*)
&system->disk_control;
if (!control)
return false;
if (!control->get_eject_state())
return false;
event_check_disk_next(control);
}
else
rarch_main_msg_queue_push("Core does not support Disk Options.", 1, 120, true);
break;
case EVENT_CMD_DISK_PREV:
if (system && system->disk_control.get_num_images)
{
const struct retro_disk_control_callback *control =
(const struct retro_disk_control_callback*)
&system->disk_control;
if (!control)
return false;
if (!control->get_eject_state())
return false;
event_check_disk_prev(control);
}
else
rarch_main_msg_queue_push("Core does not support Disk Options.", 1, 120, true);
break;
case EVENT_CMD_RUMBLE_STOP:
for (i = 0; i < MAX_USERS; i++)
{
input_driver_set_rumble_state(i, RETRO_RUMBLE_STRONG, 0);
input_driver_set_rumble_state(i, RETRO_RUMBLE_WEAK, 0);
}
break;
case EVENT_CMD_GRAB_MOUSE_TOGGLE:
{
static bool grab_mouse_state = false;
grab_mouse_state = !grab_mouse_state;
if (!driver->input || !input_driver_grab_mouse(grab_mouse_state))
return false;
RARCH_LOG("Grab mouse state: %s.\n",
grab_mouse_state ? "yes" : "no");
video_driver_show_mouse(!grab_mouse_state);
}
break;
case EVENT_CMD_PERFCNT_REPORT_FRONTEND_LOG:
rarch_perf_log();
break;
case EVENT_CMD_VOLUME_UP:
event_set_volume(0.5f);
break;
case EVENT_CMD_VOLUME_DOWN:
event_set_volume(-0.5f);
break;
case EVENT_CMD_NONE:
default:
goto error;
}
return true;
error:
return false;
}