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RetroArch/frontend/frontend.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
* Copyright (C) 2012-2015 - Michael Lelli
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <file/file_path.h>
#include <retro_stat.h>
#include <rthreads/async_job.h>
#include "frontend.h"
#include "../system.h"
#include "../driver.h"
#include "../general.h"
#include "../retroarch.h"
#include "../runloop.h"
#include "../runloop_data.h"
#define MAX_ARGS 32
/**
* main_exit:
*
* Cleanly exit RetroArch.
*
* Also saves configuration files to disk,
* and (optionally) autosave state.
**/
void main_exit(void *args)
{
driver_t *driver = driver_get_ptr();
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
const frontend_ctx_driver_t *frontend = frontend_get_ptr();
const ui_companion_driver_t *ui = ui_companion_get_ptr();
event_command(EVENT_CMD_MENU_SAVE_CURRENT_CONFIG);
if (global->inited.main)
{
#ifdef HAVE_MENU
/* Do not want menu context to live any more. */
driver->menu_data_own = false;
#endif
rarch_main_deinit();
}
event_command(EVENT_CMD_PERFCNT_REPORT_FRONTEND_LOG);
#if defined(HAVE_LOGGER) && !defined(ANDROID)
logger_shutdown();
#endif
if (frontend)
{
if (frontend->deinit)
frontend->deinit(args);
if (frontend->exitspawn)
frontend->exitspawn(settings->libretro,
sizeof(settings->libretro));
}
rarch_main_free();
if (ui)
{
if (ui->deinit)
ui->deinit(driver->ui_companion_data);
}
if (frontend)
{
if (frontend->shutdown)
frontend->shutdown(false);
}
driver_free();
}
static void check_defaults_dirs(void)
{
if (*g_defaults.dir.core_assets)
path_mkdir(g_defaults.dir.core_assets);
if (*g_defaults.dir.remap)
path_mkdir(g_defaults.dir.remap);
if (*g_defaults.dir.screenshot)
path_mkdir(g_defaults.dir.screenshot);
if (*g_defaults.dir.core)
path_mkdir(g_defaults.dir.core);
if (*g_defaults.dir.autoconfig)
path_mkdir(g_defaults.dir.autoconfig);
if (*g_defaults.dir.audio_filter)
path_mkdir(g_defaults.dir.audio_filter);
if (*g_defaults.dir.video_filter)
path_mkdir(g_defaults.dir.video_filter);
if (*g_defaults.dir.assets)
path_mkdir(g_defaults.dir.assets);
if (*g_defaults.dir.playlist)
path_mkdir(g_defaults.dir.playlist);
if (*g_defaults.dir.core)
path_mkdir(g_defaults.dir.core);
if (*g_defaults.dir.core_info)
path_mkdir(g_defaults.dir.core_info);
if (*g_defaults.dir.overlay)
path_mkdir(g_defaults.dir.overlay);
if (*g_defaults.dir.port)
path_mkdir(g_defaults.dir.port);
if (*g_defaults.dir.shader)
path_mkdir(g_defaults.dir.shader);
if (*g_defaults.dir.savestate)
path_mkdir(g_defaults.dir.savestate);
if (*g_defaults.dir.sram)
path_mkdir(g_defaults.dir.sram);
if (*g_defaults.dir.system)
path_mkdir(g_defaults.dir.system);
if (*g_defaults.dir.resampler)
path_mkdir(g_defaults.dir.resampler);
if (*g_defaults.dir.menu_config)
path_mkdir(g_defaults.dir.menu_config);
if (*g_defaults.dir.content_history)
path_mkdir(g_defaults.dir.content_history);
if (*g_defaults.dir.cache)
path_mkdir(g_defaults.dir.cache);
if (*g_defaults.dir.database)
path_mkdir(g_defaults.dir.database);
if (*g_defaults.dir.cursor)
path_mkdir(g_defaults.dir.cursor);
if (*g_defaults.dir.cheats)
path_mkdir(g_defaults.dir.cheats);
}
static void history_playlist_push(content_playlist_t *playlist,
const char *path, const char *core_path,
struct retro_system_info *info)
{
char tmp[PATH_MAX_LENGTH] = {0};
global_t *global = global_get_ptr();
rarch_system_info_t *system = rarch_system_info_get_ptr();
if (!playlist || (global->inited.core.type == CORE_TYPE_DUMMY) || !info)
return;
/* Path can be relative here.
* Ensure we're pushing absolute path. */
strlcpy(tmp, path, sizeof(tmp));
if (*tmp)
path_resolve_realpath(tmp, sizeof(tmp));
if (system->no_content || *tmp)
content_playlist_push(playlist,
*tmp ? tmp : NULL,
NULL,
core_path,
info->library_name,
NULL,
NULL);
}
/**
* main_load_content:
* @argc : Argument count.
* @argv : Argument variable list.
* @args : Arguments passed from callee.
* @environ_get : Function passed for environment_get function.
* @process_args : Function passed for process_args function.
*
* Loads content file and starts up RetroArch.
* If no content file can be loaded, will start up RetroArch
* as-is.
*
* Returns: false (0) if rarch_main_init failed, otherwise true (1).
**/
bool main_load_content(int argc, char **argv, void *args,
environment_get_t environ_get,
process_args_t process_args)
{
unsigned i;
bool retval = true;
int ret = 0, rarch_argc = 0;
char *rarch_argv[MAX_ARGS] = {NULL};
char *argv_copy [MAX_ARGS] = {NULL};
char **rarch_argv_ptr = (char**)argv;
int *rarch_argc_ptr = (int*)&argc;
global_t *global = global_get_ptr();
struct rarch_main_wrap *wrap_args = (struct rarch_main_wrap*)
calloc(1, sizeof(*wrap_args));
if (!wrap_args)
return false;
(void)rarch_argc_ptr;
(void)rarch_argv_ptr;
(void)ret;
retro_assert(wrap_args);
if (environ_get)
environ_get(rarch_argc_ptr, rarch_argv_ptr, args, wrap_args);
if (wrap_args->touched)
{
rarch_main_init_wrap(wrap_args, &rarch_argc, rarch_argv);
memcpy(argv_copy, rarch_argv, sizeof(rarch_argv));
rarch_argv_ptr = (char**)rarch_argv;
rarch_argc_ptr = (int*)&rarch_argc;
}
if (global->inited.main)
rarch_main_deinit();
if ((ret = rarch_main_init(*rarch_argc_ptr, rarch_argv_ptr)))
{
retval = false;
goto error;
}
event_command(EVENT_CMD_RESUME);
check_defaults_dirs();
if (process_args)
process_args(rarch_argc_ptr, rarch_argv_ptr);
error:
for (i = 0; i < ARRAY_SIZE(argv_copy); i++)
free(argv_copy[i]);
free(wrap_args);
return retval;
}
/**
* main_entry:
*
* Main function of RetroArch.
*
* If HAVE_MAIN is not defined, will contain main loop and will not
* be exited from until we exit the program. Otherwise, will
* just do initialization.
*
* Returns: varies per platform.
**/
int rarch_main(int argc, char *argv[], void *data)
{
void *args = (void*)data;
int ret = 0;
settings_t *settings = NULL;
global_t *global = NULL;
driver_t *driver = NULL;
rarch_main_alloc();
driver = driver_get_ptr();
if (driver)
driver->frontend_ctx = (frontend_ctx_driver_t*)frontend_ctx_init_first();
if (!driver || !driver->frontend_ctx)
RARCH_WARN("Frontend context could not be initialized.\n");
if (driver->frontend_ctx && driver->frontend_ctx->init)
driver->frontend_ctx->init(args);
rarch_main_new();
#ifdef HAVE_THREADS
global = global_get_ptr();
global->async_jobs = async_job_new();
#endif
if (driver->frontend_ctx)
{
if (!(ret = (main_load_content(argc, argv, args,
driver->frontend_ctx->environment_get,
driver->frontend_ctx->process_args))))
return ret;
}
event_command(EVENT_CMD_HISTORY_INIT);
settings = config_get_ptr();
if (settings->history_list_enable)
{
char *fullpath = NULL;
global_t *global = global_get_ptr();
rarch_system_info_t *system = rarch_system_info_get_ptr();
rarch_main_ctl(RARCH_MAIN_CTL_GET_CONTENT_PATH, &fullpath);
if (global->inited.content || system->no_content)
history_playlist_push(
g_defaults.history,
fullpath,
settings->libretro,
system ? &system->info : NULL);
}
if (driver)
driver->ui_companion = (ui_companion_driver_t*)ui_companion_init_first();
if (driver->ui_companion && driver->ui_companion->toggle)
{
if (settings->ui.companion_start_on_boot)
driver->ui_companion->toggle(driver->ui_companion_data);
}
#ifndef HAVE_MAIN
do{
unsigned sleep_ms = 0;
ret = rarch_main_iterate(&sleep_ms);
if (ret == 1 && sleep_ms > 0)
retro_sleep(sleep_ms);
rarch_main_data_iterate();
}while(ret != -1);
main_exit(args);
#endif
return 0;
}
#ifndef HAVE_MAIN
int main(int argc, char *argv[])
{
return rarch_main(argc, argv, NULL);
}
#endif
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