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RetroArch/general.h

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2014 - Daniel De Matteis
*
* 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/>.
*/
#ifndef __RARCH_GENERAL_H
#define __RARCH_GENERAL_H
#include "boolean.h"
#include <stdio.h>
#include <limits.h>
#include <setjmp.h>
#include "driver.h"
#include "record/ffemu.h"
#include "message_queue.h"
#include "rewind.h"
#include "movie.h"
#include "autosave.h"
#include "dynamic.h"
#include "cheats.h"
#include "audio/dsp_filter.h"
#include "compat/strl.h"
#include "core_options.h"
#include "core_info.h"
#include "miscellaneous.h"
#include "gfx/filter.h"
#include "playlist.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifndef PACKAGE_VERSION
#ifdef __QNX__
/* FIXME - avoid too many decimal points in number error */
#define PACKAGE_VERSION "1002"
#else
#define PACKAGE_VERSION "1.0.0.2"
#endif
#endif
// Platform-specific headers
// Windows
#ifdef _WIN32
#ifdef _XBOX
#include <xtl.h>
#else
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#include "msvc/msvc_compat.h"
#endif
// Wii and PSL1GHT - for usleep (among others)
#if defined(GEKKO) || defined(__PSL1GHT__) || defined(__QNX__)
#include <unistd.h>
#endif
// PSP
#if defined(PSP)
#include <pspthreadman.h>
#endif
//////////////
#ifdef HAVE_NETPLAY
#include "netplay.h"
#endif
#ifdef HAVE_COMMAND
#include "command.h"
#endif
#include "audio/resampler.h"
#ifdef __cplusplus
extern "C" {
#endif
#define MAX_PLAYERS 16
enum basic_event
{
RARCH_CMD_NONE = 0,
RARCH_CMD_RESET,
RARCH_CMD_LOAD_CONTENT,
RARCH_CMD_LOAD_CORE,
RARCH_CMD_LOAD_STATE,
RARCH_CMD_SAVE_STATE,
RARCH_CMD_TAKE_SCREENSHOT,
RARCH_CMD_PREPARE_DUMMY,
RARCH_CMD_QUIT,
RARCH_CMD_REINIT,
RARCH_CMD_REWIND,
RARCH_CMD_AUTOSAVE,
RARCH_CMD_AUDIO_STOP,
RARCH_CMD_AUDIO_START,
RARCH_CMD_OVERLAY_INIT,
RARCH_CMD_OVERLAY_DEINIT,
RARCH_CMD_OVERLAY_REINIT,
RARCH_CMD_OVERLAY_SET_SCALE_FACTOR,
RARCH_CMD_OVERLAY_SET_ALPHA_MOD,
RARCH_CMD_DSP_FILTER_INIT,
RARCH_CMD_DSP_FILTER_DEINIT,
RARCH_CMD_RECORD_INIT,
RARCH_CMD_RECORD_DEINIT,
RARCH_CMD_HISTORY_DEINIT,
RARCH_CMD_HISTORY_INIT,
RARCH_CMD_CORE_INFO_INIT,
RARCH_CMD_AUDIO_SET_BLOCKING_STATE,
RARCH_CMD_AUDIO_SET_NONBLOCKING_STATE,
RARCH_CMD_VIDEO_APPLY_STATE_CHANGES,
RARCH_CMD_VIDEO_SET_BLOCKING_STATE,
RARCH_CMD_VIDEO_SET_NONBLOCKING_STATE,
RARCH_CMD_VIDEO_SET_ASPECT_RATIO,
RARCH_CMD_RESET_CONTEXT,
RARCH_CMD_RESTART_RETROARCH,
RARCH_CMD_QUIT_RETROARCH,
RARCH_CMD_RESUME,
RARCH_CMD_MENU_SAVE_CONFIG,
RARCH_CMD_SHADERS_APPLY_CHANGES,
};
enum action_state
{
RARCH_ACTION_STATE_NONE = 0,
RARCH_ACTION_STATE_MENU_PREINIT,
RARCH_ACTION_STATE_MENU_PREINIT_FINISHED,
RARCH_ACTION_STATE_LOAD_CONTENT,
RARCH_ACTION_STATE_LOAD_CONTENT_FINISHED,
RARCH_ACTION_STATE_RUNNING,
RARCH_ACTION_STATE_RUNNING_FINISHED,
RARCH_ACTION_STATE_MENU_RUNNING,
RARCH_ACTION_STATE_MENU_RUNNING_FINISHED,
RARCH_ACTION_STATE_EXITSPAWN,
RARCH_ACTION_STATE_FLUSH_INPUT,
RARCH_ACTION_STATE_FLUSH_INPUT_FINISHED,
RARCH_ACTION_STATE_QUIT,
};
enum menu_enums
{
MODE_GAME = 0,
MODE_LOAD_GAME,
MODE_MENU,
MODE_MENU_WIDESCREEN,
MODE_MENU_HD,
MODE_MENU_PREINIT,
MODE_EXTLAUNCH_MULTIMAN,
MODE_EXITSPAWN,
MODE_EXITSPAWN_START_GAME,
MODE_EXITSPAWN_MULTIMAN,
MODE_OSK_ENTRY_SUCCESS,
MODE_OSK_ENTRY_FAIL,
MODE_CLEAR_INPUT,
};
enum sound_mode_enums
{
SOUND_MODE_NORMAL = 0,
#ifdef HAVE_RSOUND
SOUND_MODE_RSOUND,
#endif
#ifdef HAVE_HEADSET
SOUND_MODE_HEADSET,
#endif
SOUND_MODE_LAST
};
struct defaults
{
char menu_config_dir[PATH_MAX];
char config_path[PATH_MAX];
char core_path[PATH_MAX];
char autoconfig_dir[PATH_MAX];
char audio_filter_dir[PATH_MAX];
char assets_dir[PATH_MAX];
char core_dir[PATH_MAX];
char core_info_dir[PATH_MAX];
char overlay_dir[PATH_MAX];
char port_dir[PATH_MAX];
char shader_dir[PATH_MAX];
char savestate_dir[PATH_MAX];
char sram_dir[PATH_MAX];
char screenshot_dir[PATH_MAX];
char system_dir[PATH_MAX];
struct
{
int out_latency;
float video_refresh_rate;
bool video_threaded_enable;
} settings;
};
// All config related settings go here.
struct settings
{
struct
{
char driver[32];
char gl_context[32];
float scale;
bool fullscreen;
bool windowed_fullscreen;
unsigned monitor_index;
unsigned fullscreen_x;
unsigned fullscreen_y;
bool vsync;
bool hard_sync;
bool black_frame_insertion;
unsigned swap_interval;
unsigned hard_sync_frames;
unsigned frame_delay;
#ifdef GEKKO
unsigned viwidth;
#endif
bool smooth;
bool force_aspect;
bool crop_overscan;
float aspect_ratio;
bool aspect_ratio_auto;
bool scale_integer;
unsigned aspect_ratio_idx;
unsigned rotation;
char shader_path[PATH_MAX];
bool shader_enable;
char softfilter_plugin[PATH_MAX];
float refresh_rate;
bool threaded;
char filter_dir[PATH_MAX];
char shader_dir[PATH_MAX];
char font_path[PATH_MAX];
float font_size;
bool font_enable;
float msg_pos_x;
float msg_pos_y;
float msg_color_r;
float msg_color_g;
float msg_color_b;
bool disable_composition;
bool post_filter_record;
bool gpu_record;
bool gpu_screenshot;
bool allow_rotate;
bool shared_context;
} video;
#ifdef HAVE_MENU
struct
{
char driver[32];
} menu;
#endif
struct
{
char driver[32];
char device[PATH_MAX];
bool allow;
unsigned width;
unsigned height;
} camera;
struct
{
char driver[32];
bool allow;
int update_interval_ms;
int update_interval_distance;
} location;
struct
{
char driver[32];
bool enable;
} osk;
struct
{
char driver[32];
bool enable;
unsigned out_rate;
unsigned block_frames;
char device[PATH_MAX];
unsigned latency;
bool sync;
char dsp_plugin[PATH_MAX];
char filter_dir[PATH_MAX];
bool rate_control;
float rate_control_delta;
float volume; // dB scale
char resampler[32];
} audio;
struct
{
char driver[32];
char joypad_driver[32];
char keyboard_layout[64];
struct retro_keybind binds[MAX_PLAYERS][RARCH_BIND_LIST_END];
// Set by autoconfiguration in joypad_autoconfig_dir. Does not override main binds.
struct retro_keybind autoconf_binds[MAX_PLAYERS][RARCH_BIND_LIST_END];
bool autoconfigured[MAX_PLAYERS];
unsigned libretro_device[MAX_PLAYERS];
unsigned analog_dpad_mode[MAX_PLAYERS];
float axis_threshold;
int joypad_map[MAX_PLAYERS];
unsigned device[MAX_PLAYERS];
char device_names[MAX_PLAYERS][64];
bool autodetect_enable;
bool netplay_client_swap_input;
unsigned turbo_period;
unsigned turbo_duty_cycle;
char overlay[PATH_MAX];
float overlay_opacity;
float overlay_scale;
char autoconfig_dir[PATH_MAX];
} input;
int state_slot;
char core_options_path[PATH_MAX];
char content_history_path[PATH_MAX];
unsigned content_history_size;
char libretro[PATH_MAX];
char libretro_directory[PATH_MAX];
unsigned libretro_log_level;
char libretro_info_path[PATH_MAX];
char cheat_database[PATH_MAX];
char cheat_settings_path[PATH_MAX];
char screenshot_directory[PATH_MAX];
char system_directory[PATH_MAX];
char extraction_directory[PATH_MAX];
bool rewind_enable;
size_t rewind_buffer_size;
unsigned rewind_granularity;
float slowmotion_ratio;
float fastforward_ratio;
bool pause_nonactive;
unsigned autosave_interval;
bool block_sram_overwrite;
bool savestate_auto_index;
bool savestate_auto_save;
bool savestate_auto_load;
bool network_cmd_enable;
uint16_t network_cmd_port;
bool stdin_cmd_enable;
char content_directory[PATH_MAX];
char assets_directory[PATH_MAX];
#if defined(HAVE_MENU)
char menu_content_directory[PATH_MAX];
char menu_config_directory[PATH_MAX];
bool menu_show_start_screen;
#endif
bool fps_show;
bool load_dummy_on_core_shutdown;
bool core_specific_config;
char username[32];
unsigned int user_language;
bool config_save_on_exit;
};
typedef struct rarch_resolution
{
unsigned idx;
unsigned id;
} rarch_resolution_t;
typedef struct rarch_viewport
{
int x;
int y;
unsigned width;
unsigned height;
unsigned full_width;
unsigned full_height;
} rarch_viewport_t;
// All run-time- / command line flag-related globals go here.
struct global
{
bool verbosity;
bool perfcnt_enable;
bool audio_active;
bool video_active;
bool camera_active;
bool location_active;
bool osk_active;
bool force_fullscreen;
struct string_list *temporary_content;
content_playlist_t *history;
core_info_list_t *core_info;
core_info_t *core_info_current;
uint32_t content_crc;
char gb_rom_path[PATH_MAX];
char bsx_rom_path[PATH_MAX];
char sufami_rom_path[2][PATH_MAX];
bool has_set_save_path;
bool has_set_state_path;
bool has_set_libretro_device[MAX_PLAYERS];
bool has_set_libretro;
bool has_set_libretro_directory;
bool has_set_verbosity;
bool has_set_netplay_mode;
bool has_set_username;
bool has_set_netplay_ip_address;
bool has_set_netplay_delay_frames;
bool has_set_netplay_ip_port;
// Config associated with global "default" config.
char config_path[PATH_MAX];
char append_config_path[PATH_MAX];
char input_config_path[PATH_MAX];
#ifdef HAVE_FILE_LOGGER
char default_log_file[PATH_MAX];
#endif
char basename[PATH_MAX];
char fullpath[PATH_MAX];
#ifdef HAVE_COMPRESSION
// In case of a compressed archive, this is the path to the archive. Fullpath contains everything
char carchive_path[PATH_MAX];
// True, in case of a compressed archive containing the rom.
bool is_carchive;
#endif
// A list of save types and associated paths for all content.
struct string_list *savefiles;
// For --subsystem content.
char subsystem[256];
struct string_list *subsystem_fullpaths;
char savefile_name[PATH_MAX];
char savestate_name[PATH_MAX];
// Used on reentrancy to use a savestate dir.
char savefile_dir[PATH_MAX];
char savestate_dir[PATH_MAX];
#ifdef HAVE_OVERLAY
char overlay_dir[PATH_MAX];
#endif
bool block_patch;
bool ups_pref;
bool bps_pref;
bool ips_pref;
char ups_name[PATH_MAX];
char bps_name[PATH_MAX];
char ips_name[PATH_MAX];
struct
{
retro_time_t minimum_frame_time;
retro_time_t last_frame_time;
} frame_limit;
struct
{
struct retro_system_info info;
struct retro_system_av_info av_info;
float aspect_ratio;
unsigned rotation;
bool shutdown;
unsigned performance_level;
enum retro_pixel_format pix_fmt;
bool block_extract;
bool force_nonblock;
bool no_content;
const char *input_desc_btn[MAX_PLAYERS][RARCH_FIRST_CUSTOM_BIND];
char valid_extensions[PATH_MAX];
retro_keyboard_event_t key_event;
struct retro_audio_callback audio_callback;
struct retro_disk_control_callback disk_control;
struct retro_hw_render_callback hw_render_callback;
struct retro_camera_callback camera_callback;
struct retro_location_callback location_callback;
struct retro_frame_time_callback frame_time;
retro_usec_t frame_time_last;
core_option_manager_t *core_options;
struct retro_subsystem_info *special;
unsigned num_special;
struct retro_controller_info *ports;
unsigned num_ports;
} system;
struct
{
void *resampler_data;
const rarch_resampler_t *resampler;
float *data;
size_t data_ptr;
size_t chunk_size;
size_t nonblock_chunk_size;
size_t block_chunk_size;
double src_ratio;
float in_rate;
bool use_float;
bool mute;
float *outsamples;
int16_t *conv_outsamples;
int16_t *rewind_buf;
size_t rewind_ptr;
size_t rewind_size;
rarch_dsp_filter_t *dsp;
bool rate_control;
double orig_src_ratio;
size_t driver_buffer_size;
float volume_db;
float volume_gain;
} audio_data;
struct
{
#define AUDIO_BUFFER_FREE_SAMPLES_COUNT (8 * 1024)
unsigned buffer_free_samples[AUDIO_BUFFER_FREE_SAMPLES_COUNT];
uint64_t buffer_free_samples_count;
#define MEASURE_FRAME_TIME_SAMPLES_COUNT (2 * 1024)
retro_time_t frame_time_samples[MEASURE_FRAME_TIME_SAMPLES_COUNT];
uint64_t frame_time_samples_count;
} measure_data;
struct
{
rarch_softfilter_t *filter;
void *buffer;
unsigned scale;
unsigned out_bpp;
bool out_rgb32;
} filter;
msg_queue_t *msg_queue;
bool exec;
// Rewind support.
state_manager_t *state_manager;
size_t state_size;
bool frame_is_reverse;
// Movie playback/recording support.
struct
{
bsv_movie_t *movie;
char movie_path[PATH_MAX];
bool movie_playback;
// Immediate playback/recording.
char movie_start_path[PATH_MAX];
bool movie_start_recording;
bool movie_start_playback;
bool movie_end;
} bsv;
struct
{
bool (*cb_init)(void *data);
bool (*cb_callback)(void *data);
} osk;
bool sram_load_disable;
bool sram_save_disable;
bool use_sram;
// Pausing support
bool is_paused;
bool is_oneshot;
bool is_slowmotion;
// Turbo support
bool turbo_frame_enable[MAX_PLAYERS];
uint16_t turbo_enable[MAX_PLAYERS];
unsigned turbo_count;
// Autosave support.
autosave_t **autosave;
unsigned num_autosave;
// Netplay.
#ifdef HAVE_NETPLAY
netplay_t *netplay;
char netplay_server[PATH_MAX];
bool netplay_enable;
bool netplay_is_client;
bool netplay_is_spectate;
unsigned netplay_sync_frames;
unsigned netplay_port;
#endif
// Recording.
const ffemu_backend_t *rec_driver;
void *rec;
char record_path[PATH_MAX];
char record_config[PATH_MAX];
bool recording_enable;
unsigned record_width;
unsigned record_height;
uint8_t *record_gpu_buffer;
size_t record_gpu_width;
size_t record_gpu_height;
struct
{
const void *data;
unsigned width;
unsigned height;
size_t pitch;
} frame_cache;
unsigned frame_count;
char title_buf[64];
struct
{
struct string_list *list;
size_t ptr;
} shader_dir;
struct
{
struct string_list *list;
size_t ptr;
} filter_dir;
char sha256[64 + 1];
cheat_manager_t *cheat;
bool block_config_read;
// Settings and/or global state that is specific to a console-style implementation.
struct
{
struct
{
struct
{
rarch_resolution_t current;
rarch_resolution_t initial;
uint32_t *list;
unsigned count;
bool check;
} resolutions;
struct
{
rarch_viewport_t custom_vp;
} viewports;
unsigned gamma_correction;
unsigned char flicker_filter_index;
unsigned char soft_filter_index;
bool pal_enable;
bool pal60_enable;
} screen;
struct
{
unsigned mode;
bool system_bgm_enable;
} sound;
bool flickerfilter_enable;
bool softfilter_enable;
} console;
uint64_t lifecycle_state;
// If this is non-NULL. RARCH_LOG and friends will write to this file.
FILE *log_file;
bool main_is_init;
bool error_in_init;
char error_string[1024];
jmp_buf error_sjlj_context;
bool libretro_no_content;
bool libretro_dummy;
// Config file associated with per-core configs.
char core_specific_config_path[PATH_MAX];
};
struct rarch_main_wrap
{
const char *content_path;
const char *sram_path;
const char *state_path;
const char *config_path;
const char *libretro_path;
bool verbose;
bool no_content;
bool touched;
};
// Public data structures
extern struct settings g_settings;
extern struct global g_extern;
extern struct defaults g_defaults;
/////////
// Public functions
void config_load(void);
void config_set_defaults(void);
const char *config_get_default_camera(void);
const char *config_get_default_location(void);
const char *config_get_default_osk(void);
const char *config_get_default_video(void);
const char *config_get_default_audio(void);
const char *config_get_default_audio_resampler(void);
const char *config_get_default_input(void);
#ifdef HAVE_MENU
const char *config_get_default_menu(void);
#endif
#include "conf/config_file.h"
bool config_load_file(const char *path, bool set_defaults);
bool config_save_file(const char *path);
bool config_read_keybinds(const char *path);
void rarch_main_clear_state(void);
int rarch_main(int argc, char *argv[]);
void rarch_main_init_wrap(const struct rarch_main_wrap *args, int *argc, char **argv);
int rarch_main_init(int argc, char *argv[]);
void rarch_main_set_state(unsigned action);
void rarch_main_command(unsigned action);
bool rarch_main_iterate(void);
void rarch_main_deinit(void);
void rarch_render_cached_frame(void);
void rarch_deinit_msg_queue(void);
void rarch_input_poll(void);
void rarch_check_overlay(void);
void rarch_check_block_hotkey(void);
bool rarch_check_fullscreen(void);
void rarch_disk_control_set_eject(bool state, bool log);
void rarch_disk_control_set_index(unsigned index);
void rarch_disk_control_append_image(const char *path);
bool rarch_set_rumble_state(unsigned port,
enum retro_rumble_effect effect, bool enable);
void rarch_playlist_push(content_playlist_t *playlist,
const char *path);
void rarch_playlist_load_content(content_playlist_t *playlist,
unsigned index);
int rarch_defer_core(core_info_list_t *data,
const char *dir, const char *path, char *deferred_path,
size_t sizeof_deferred_path);
/////////
#ifdef __cplusplus
}
#endif
static inline float db_to_gain(float db)
{
return powf(10.0f, db / 20.0f);
}
static inline void rarch_fail(int error_code, const char *error)
{
// We cannot longjmp unless we're in rarch_main_init().
// If not, something went very wrong, and we should just exit right away.
rarch_assert(g_extern.error_in_init);
strlcpy(g_extern.error_string, error, sizeof(g_extern.error_string));
longjmp(g_extern.error_sjlj_context, error_code);
}
#endif
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