mirror of
https://github.com/libretro/RetroArch.git
synced 2024-12-13 11:52:08 +00:00
390 lines
10 KiB
C
390 lines
10 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2014 - Daniel De Matteis
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* Copyright (C) 2012-2014 - Michael Lelli
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "frontend.h"
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#include "../general.h"
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#include "frontend_context.h"
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#if defined(HAVE_MENU)
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#include "menu/menu_input_line_cb.h"
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#include "menu/menu_common.h"
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#endif
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#if defined(RARCH_CONSOLE) || defined(RARCH_MOBILE)
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#include "../config.def.h"
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#endif
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#if defined(ANDROID)
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#define main_entry android_app_entry
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#define returntype void
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#define returnfunc() exit(0)
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#define return_negative() return
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#define return_var(var) return
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#define declare_argc() int argc = 0;
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#define declare_argv() char *argv[1]
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#define args_initial_ptr() data
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#else
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#if defined(__APPLE__) || defined(HAVE_BB10) || defined(EMSCRIPTEN)
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#define main_entry rarch_main
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#else
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#define main_entry main
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#endif
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#define returntype int
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#define returnfunc() return 0
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#define return_negative() return 1
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#define return_var(var) return var
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#define declare_argc()
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#define declare_argv()
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#define args_initial_ptr() NULL
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#endif
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#if !defined(__APPLE__) && !defined(EMSCRIPTEN)
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#define HAVE_MAIN_LOOP
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#endif
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#define MAX_ARGS 32
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int (*frontend_loop)(signature(), args_type() args);
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static retro_keyboard_event_t key_event;
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static int main_entry_iterate_shutdown(signature(), args_type() args)
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{
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(void)args;
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if (!g_settings.load_dummy_on_core_shutdown)
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return 1;
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/* Load dummy core instead of exiting RetroArch completely. */
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rarch_main_command(RARCH_CMD_PREPARE_DUMMY);
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return 0;
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}
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int main_entry_iterate_content(signature(), args_type() args)
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{
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if (g_extern.system.shutdown)
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return main_entry_iterate_shutdown(signature_expand(), args);
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if (!rarch_main_iterate())
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{
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rarch_main_set_state(RARCH_ACTION_STATE_RUNNING_FINISHED);
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return 0;
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}
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if (driver.frontend_ctx && driver.frontend_ctx->process_events)
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driver.frontend_ctx->process_events(args);
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return 0;
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}
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#ifndef HAVE_MENU
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static int main_entry_iterate_content_nomenu(signature(), args_type() args)
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{
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if (!rarch_main_iterate())
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return 1;
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return 0;
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}
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#endif
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int main_entry_iterate_clear_input(signature(), args_type() args)
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{
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(void)args;
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if (g_extern.system.shutdown)
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return main_entry_iterate_shutdown(signature_expand(), args);
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rarch_input_poll();
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#ifdef HAVE_MENU
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if (menu_input())
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return 0;
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#endif
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/* Restore libretro keyboard callback. */
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g_extern.system.key_event = key_event;
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rarch_main_set_state(RARCH_ACTION_STATE_FLUSH_INPUT_FINISHED);
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return 0;
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}
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int main_entry_iterate_load_content(signature(), args_type() args)
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{
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if (g_extern.system.shutdown)
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return main_entry_iterate_shutdown(signature_expand(), args);
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#ifdef HAVE_MENU
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if (!load_menu_content())
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{
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/* If content loading fails, we go back to menu. */
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rarch_main_set_state(RARCH_ACTION_STATE_RUNNING_FINISHED);
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if (driver.menu)
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rarch_main_set_state(RARCH_ACTION_STATE_MENU_PREINIT);
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}
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#endif
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rarch_main_set_state(RARCH_ACTION_STATE_LOAD_CONTENT_FINISHED);
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return 0;
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}
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#ifdef HAVE_MENU
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int main_entry_iterate_menu_preinit(signature(), args_type() args)
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{
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int i;
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if (g_extern.system.shutdown)
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return main_entry_iterate_shutdown(signature_expand(), args);
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/* Menu should always run with vsync on. */
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rarch_main_command(RARCH_CMD_VIDEO_SET_BLOCKING_STATE);
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/* Stop all rumbling before entering the menu. */
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for (i = 0; i < MAX_PLAYERS; i++)
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{
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driver_set_rumble_state(i, RETRO_RUMBLE_STRONG, 0);
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driver_set_rumble_state(i, RETRO_RUMBLE_WEAK, 0);
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}
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rarch_main_command(RARCH_CMD_AUDIO_STOP);
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if (driver.menu)
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{
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/* Override keyboard callback to redirect to menu instead.
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* We'll use this later for something ...
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* FIXME: This should probably be moved to menu_common somehow. */
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key_event = g_extern.system.key_event;
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g_extern.system.key_event = menu_key_event;
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driver.menu->need_refresh = true;
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driver.menu->old_input_state |= 1ULL << RARCH_MENU_TOGGLE;
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rarch_main_set_state(RARCH_ACTION_STATE_MENU_PREINIT_FINISHED);
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rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING);
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}
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return 0;
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}
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int main_entry_iterate_menu(signature(), args_type() args)
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{
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if (g_extern.system.shutdown)
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return main_entry_iterate_shutdown(signature_expand(), args);
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if (menu_iterate())
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{
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if (driver.frontend_ctx && driver.frontend_ctx->process_events)
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driver.frontend_ctx->process_events(args);
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return 0;
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}
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rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED);
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driver_set_nonblock_state(driver.nonblock_state);
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rarch_main_command(RARCH_CMD_AUDIO_START);
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rarch_main_set_state(RARCH_ACTION_STATE_FLUSH_INPUT);
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if (input_key_pressed_func(RARCH_QUIT_KEY) ||
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!driver.video->alive(driver.video_data))
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return 1;
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return 0;
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}
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#endif
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void main_exit(args_type() args)
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{
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g_extern.system.shutdown = false;
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if (g_settings.config_save_on_exit && *g_extern.config_path)
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{
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/* Save last core-specific config to the default config location,
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* needed on consoles for core switching and reusing last good
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* config for new cores.
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*/
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config_save_file(g_extern.config_path);
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/* Flush out the core specific config. */
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if (*g_extern.core_specific_config_path &&
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g_settings.core_specific_config)
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config_save_file(g_extern.core_specific_config_path);
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}
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if (g_extern.main_is_init)
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{
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#ifdef HAVE_MENU
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/* Do not want menu context to live any more. */
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driver.menu_data_own = false;
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#endif
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rarch_main_deinit();
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}
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rarch_deinit_msg_queue();
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rarch_perf_log();
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#if defined(HAVE_LOGGER) && !defined(ANDROID)
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logger_shutdown();
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#endif
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if (driver.frontend_ctx && driver.frontend_ctx->deinit)
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driver.frontend_ctx->deinit(args);
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if (g_extern.lifecycle_state & (1ULL << MODE_EXITSPAWN)
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&& driver.frontend_ctx
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&& driver.frontend_ctx->exitspawn)
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driver.frontend_ctx->exitspawn(g_settings.libretro,
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sizeof(g_settings.libretro));
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rarch_main_clear_state();
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if (driver.frontend_ctx && driver.frontend_ctx->shutdown)
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driver.frontend_ctx->shutdown(false);
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}
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static void check_defaults_dirs(void)
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{
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if (*g_defaults.autoconfig_dir)
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path_mkdir(g_defaults.autoconfig_dir);
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if (*g_defaults.audio_filter_dir)
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path_mkdir(g_defaults.audio_filter_dir);
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if (*g_defaults.assets_dir)
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path_mkdir(g_defaults.assets_dir);
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if (*g_defaults.core_dir)
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path_mkdir(g_defaults.core_dir);
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if (*g_defaults.core_info_dir)
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path_mkdir(g_defaults.core_info_dir);
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if (*g_defaults.overlay_dir)
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path_mkdir(g_defaults.overlay_dir);
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if (*g_defaults.port_dir)
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path_mkdir(g_defaults.port_dir);
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if (*g_defaults.shader_dir)
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path_mkdir(g_defaults.shader_dir);
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if (*g_defaults.savestate_dir)
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path_mkdir(g_defaults.savestate_dir);
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if (*g_defaults.sram_dir)
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path_mkdir(g_defaults.sram_dir);
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if (*g_defaults.system_dir)
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path_mkdir(g_defaults.system_dir);
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}
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bool main_load_content(int argc, char **argv, args_type() args,
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environment_get_t environ_get,
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process_args_t process_args)
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{
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int *rarch_argc_ptr;
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char **rarch_argv_ptr;
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struct rarch_main_wrap *wrap_args;
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bool retval = true;
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int i, ret = 0, rarch_argc = 0;
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char *rarch_argv[MAX_ARGS] = {NULL};
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char *argv_copy [MAX_ARGS] = {NULL};
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rarch_argv_ptr = (char**)argv;
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rarch_argc_ptr = (int*)&argc;
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(void)rarch_argc_ptr;
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(void)rarch_argv_ptr;
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(void)ret;
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wrap_args = (struct rarch_main_wrap*)calloc(1, sizeof(*wrap_args));
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rarch_assert(wrap_args);
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if (environ_get)
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environ_get(rarch_argc_ptr, rarch_argv_ptr, args, wrap_args);
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check_defaults_dirs();
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if (wrap_args->touched)
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{
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rarch_main_init_wrap(wrap_args, &rarch_argc, rarch_argv);
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memcpy(argv_copy, rarch_argv, sizeof(rarch_argv));
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rarch_argv_ptr = (char**)rarch_argv;
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rarch_argc_ptr = (int*)&rarch_argc;
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}
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if (g_extern.main_is_init)
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rarch_main_deinit();
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if ((ret = rarch_main_init(*rarch_argc_ptr, rarch_argv_ptr)))
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{
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retval = false;
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goto error;
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}
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rarch_main_command(RARCH_CMD_RESUME);
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if (process_args)
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process_args(rarch_argc_ptr, rarch_argv_ptr);
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error:
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for (i = 0; i < ARRAY_SIZE(argv_copy); i++)
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free(argv_copy[i]);
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free(wrap_args);
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return retval;
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}
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returntype main_entry(signature())
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{
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declare_argc();
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declare_argv();
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args_type() args = (args_type())args_initial_ptr();
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int ret = 0;
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driver.frontend_ctx = (frontend_ctx_driver_t*)frontend_ctx_init_first();
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if (!driver.frontend_ctx)
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RARCH_WARN("Frontend context could not be initialized.\n");
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if (driver.frontend_ctx && driver.frontend_ctx->init)
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driver.frontend_ctx->init(args);
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rarch_main_clear_state();
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if (driver.frontend_ctx)
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{
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if (!(ret = (main_load_content(argc, argv, args,
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driver.frontend_ctx->environment_get,
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driver.frontend_ctx->process_args))))
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{
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return_var(ret);
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}
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}
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#if defined(HAVE_MENU)
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#if defined(RARCH_CONSOLE) || defined(RARCH_MOBILE)
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if (ret)
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#endif
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rarch_playlist_push(g_extern.history, g_extern.fullpath);
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#else
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frontend_loop = main_entry_iterate_content_nomenu;
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#endif
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#if defined(HAVE_MAIN_LOOP)
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while (frontend_loop && !frontend_loop(signature_expand(), args));
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main_exit(args);
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#endif
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returnfunc();
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}
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