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RetroArch/retroarch.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 <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <boolean.h>
#include "libretro_version_1.h"
#include "dynamic.h"
#include "configuration.h"
#include <file/file_path.h>
#include "general.h"
#include "retroarch.h"
#include "runloop_data.h"
#include <compat/strl.h>
#include "performance.h"
#include "cheats.h"
#include <compat/getopt.h>
#include <compat/posix_string.h>
#include "git_version.h"
#include "intl/intl.h"
#ifdef HAVE_MENU
#include "menu/menu.h"
#include "menu/menu_shader.h"
#include "menu/menu_input.h"
#endif
#ifdef _WIN32
#ifdef _XBOX
#include <xtl.h>
#else
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
#endif
/**
* rarch_render_cached_frame:
*
* Renders the current video frame.
**/
void rarch_render_cached_frame(void)
{
driver_t *driver = driver_get_ptr();
global_t *global = global_get_ptr();
runloop_t *runloop = rarch_main_get_ptr();
void *recording = driver ? driver->recording_data : NULL;
if (runloop->is_idle)
return;
/* Cannot allow recording when pushing duped frames. */
driver->recording_data = NULL;
/* Not 100% safe, since the library might have
* freed the memory, but no known implementations do this.
* It would be really stupid at any rate ...
*/
if (driver->retro_ctx.frame_cb)
driver->retro_ctx.frame_cb(
(global->frame_cache.data == RETRO_HW_FRAME_BUFFER_VALID)
? NULL : global->frame_cache.data,
global->frame_cache.width,
global->frame_cache.height,
global->frame_cache.pitch);
driver->recording_data = recording;
}
#include "config.features.h"
#define _PSUPP(var, name, desc) printf("\t%s:\n\t\t%s: %s\n", name, desc, _##var##_supp ? "yes" : "no")
static void print_features(void)
{
puts("");
puts("Features:");
_PSUPP(sdl, "SDL", "SDL drivers");
_PSUPP(sdl2, "SDL2", "SDL2 drivers");
_PSUPP(x11, "X11", "X11 drivers");
_PSUPP(wayland, "wayland", "Wayland drivers");
_PSUPP(thread, "Threads", "Threading support");
_PSUPP(opengl, "OpenGL", "OpenGL driver");
_PSUPP(kms, "KMS", "KMS/EGL context support");
_PSUPP(udev, "UDEV", "UDEV/EVDEV input driver support");
_PSUPP(egl, "EGL", "EGL context support");
_PSUPP(vg, "OpenVG", "OpenVG output support");
_PSUPP(xvideo, "XVideo", "XVideo output");
_PSUPP(alsa, "ALSA", "audio driver");
_PSUPP(oss, "OSS", "audio driver");
_PSUPP(jack, "Jack", "audio driver");
_PSUPP(rsound, "RSound", "audio driver");
_PSUPP(roar, "RoarAudio", "audio driver");
_PSUPP(pulse, "PulseAudio", "audio driver");
_PSUPP(dsound, "DirectSound", "audio driver");
_PSUPP(xaudio, "XAudio2", "audio driver");
_PSUPP(zlib, "zlib", "PNG encode/decode and .zip extraction");
_PSUPP(al, "OpenAL", "audio driver");
_PSUPP(dylib, "External", "External filter and plugin support");
_PSUPP(cg, "Cg", "Cg pixel shaders");
_PSUPP(libxml2, "libxml2", "libxml2 XML parsing");
_PSUPP(sdl_image, "SDL_image", "SDL_image image loading");
_PSUPP(fbo, "FBO", "OpenGL render-to-texture (multi-pass shaders)");
_PSUPP(dynamic, "Dynamic", "Dynamic run-time loading of libretro library");
_PSUPP(ffmpeg, "FFmpeg", "On-the-fly recording of gameplay with libavcodec");
_PSUPP(freetype, "FreeType", "TTF font rendering with FreeType");
_PSUPP(netplay, "Netplay", "Peer-to-peer netplay");
_PSUPP(python, "Python", "Script support in shaders");
}
#undef _PSUPP
/**
* print_compiler:
*
* Prints compiler that was used for compiling RetroArch.
**/
static void print_compiler(FILE *file)
{
fprintf(file, "\nCompiler: ");
#if defined(_MSC_VER)
fprintf(file, "MSVC (%d) %u-bit\n", _MSC_VER, (unsigned)
(CHAR_BIT * sizeof(size_t)));
#elif defined(__SNC__)
fprintf(file, "SNC (%d) %u-bit\n",
__SN_VER__, (unsigned)(CHAR_BIT * sizeof(size_t)));
#elif defined(_WIN32) && defined(__GNUC__)
fprintf(file, "MinGW (%d.%d.%d) %u-bit\n",
__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__, (unsigned)
(CHAR_BIT * sizeof(size_t)));
#elif defined(__clang__)
fprintf(file, "Clang/LLVM (%s) %u-bit\n",
__clang_version__, (unsigned)(CHAR_BIT * sizeof(size_t)));
#elif defined(__GNUC__)
fprintf(file, "GCC (%d.%d.%d) %u-bit\n",
__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__, (unsigned)
(CHAR_BIT * sizeof(size_t)));
#else
fprintf(file, "Unknown compiler %u-bit\n",
(unsigned)(CHAR_BIT * sizeof(size_t)));
#endif
fprintf(file, "Built: %s\n", __DATE__);
}
/**
* print_help:
*
* Prints help message explaining RetroArch's commandline switches.
**/
static void print_help(void)
{
puts("===================================================================");
#ifdef HAVE_GIT_VERSION
printf(RETRO_FRONTEND ": Frontend for libretro -- v" PACKAGE_VERSION " -- %s --\n", rarch_git_version);
#else
puts(RETRO_FRONTEND ": Frontend for libretro -- v" PACKAGE_VERSION " --");
#endif
print_compiler(stdout);
puts("===================================================================");
puts("Usage: retroarch [content file] [options...]");
puts("\t-h/--help: Show this help message.");
puts("\t--menu: Do not require content or libretro core to be loaded, starts directly in menu.");
puts("\t\tIf no arguments are passed to " RETRO_FRONTEND ", it is equivalent to using --menu as only argument.");
puts("\t--features: Prints available features compiled into " RETRO_FRONTEND ".");
puts("\t-s/--save: Path for save file (*.srm).");
puts("\t-f/--fullscreen: Start " RETRO_FRONTEND " in fullscreen regardless of config settings.");
puts("\t-S/--savestate: Path to use for save states. If not selected, *.state will be assumed.");
puts("\t-c/--config: Path for config file." RARCH_DEFAULT_CONF_PATH_STR);
puts("\t--appendconfig: Extra config files are loaded in, and take priority over config selected in -c (or default).");
puts("\t\tMultiple configs are delimited by '|'.");
#ifdef HAVE_DYNAMIC
puts("\t-L/--libretro: Path to libretro implementation. Overrides any config setting.");
#endif
puts("\t--subsystem: Use a subsystem of the libretro core. Multiple content files are loaded as multiple arguments.");
puts("\t\tIf a content file is skipped, use a blank (\"\") command line argument");
puts("\t\tContent must be loaded in an order which depends on the particular subsystem used.");
puts("\t\tSee verbose log output to learn how a particular subsystem wants content to be loaded.");
printf("\t-N/--nodevice: Disconnects controller device connected to port (1 to %d).\n", MAX_USERS);
printf("\t-A/--dualanalog: Connect a DualAnalog controller to port (1 to %d).\n", MAX_USERS);
printf("\t-d/--device: Connect a generic device into port of the device (1 to %d).\n", MAX_USERS);
puts("\t\tFormat is port:ID, where ID is an unsigned number corresponding to the particular device.\n");
puts("\t-P/--bsvplay: Playback a BSV movie file.");
puts("\t-R/--bsvrecord: Start recording a BSV movie file from the beginning.");
puts("\t--eof-exit: Exit upon reaching the end of the BSV movie file.");
puts("\t-M/--sram-mode: Takes an argument telling how SRAM should be handled in the session.");
puts("\t\t{no,}load-{no,}save describes if SRAM should be loaded, and if SRAM should be saved.");
puts("\t\tDo note that noload-save implies that save files will be deleted and overwritten.");
#ifdef HAVE_NETPLAY
puts("\t-H/--host: Host netplay as user 1.");
puts("\t-C/--connect: Connect to netplay as user 2.");
puts("\t--port: Port used to netplay. Default is 55435.");
puts("\t-F/--frames: Sync frames when using netplay.");
puts("\t--spectate: Netplay will become spectating mode.");
puts("\t\tHost can live stream the game content to users that connect.");
puts("\t\tHowever, the client will not be able to play. Multiple clients can connect to the host.");
#endif
puts("\t--nick: Picks a username (for use with netplay). Not mandatory.");
#if defined(HAVE_NETWORK_CMD) && defined(HAVE_NETPLAY)
puts("\t--command: Sends a command over UDP to an already running " RETRO_FRONTEND " process.");
puts("\t\tAvailable commands are listed if command is invalid.");
#endif
puts("\t-r/--record: Path to record video file.\n\t\tUsing .mkv extension is recommended.");
puts("\t--recordconfig: Path to settings used during recording.");
puts("\t--size: Overrides output video size when recording (format: WIDTHxHEIGHT).");
puts("\t-v/--verbose: Verbose logging.");
puts("\t-U/--ups: Specifies path for UPS patch that will be applied to content.");
puts("\t--bps: Specifies path for BPS patch that will be applied to content.");
puts("\t--ips: Specifies path for IPS patch that will be applied to content.");
puts("\t--no-patch: Disables all forms of content patching.");
puts("\t-D/--detach: Detach " RETRO_FRONTEND " from the running console. Not relevant for all platforms.");
puts("\t--max-frames: Runs for the specified number of frames, then exits.\n");
}
static void set_basename(const char *path)
{
char *dst = NULL;
global_t *global = global_get_ptr();
strlcpy(global->fullpath, path, sizeof(global->fullpath));
strlcpy(global->basename, path, sizeof(global->basename));
#ifdef HAVE_COMPRESSION
/* Removing extension is a bit tricky for compressed files.
* Basename means:
* /file/to/path/game.extension should be:
* /file/to/path/game
*
* Two things to consider here are: /file/to/path/ is expected
* to be a directory and "game" is a single file. This is used for
* states and srm default paths.
*
* For compressed files we have:
*
* /file/to/path/comp.7z#game.extension and
* /file/to/path/comp.7z#folder/game.extension
*
* The choice I take here is:
* /file/to/path/game as basename. We might end up in a writable
* directory then and the name of srm and states are meaningful.
*
*/
path_basedir(global->basename);
fill_pathname_dir(global->basename, path, "", sizeof(global->basename));
#endif
if ((dst = strrchr(global->basename, '.')))
*dst = '\0';
}
static void set_special_paths(char **argv, unsigned num_content)
{
unsigned i;
union string_list_elem_attr attr;
global_t *global = global_get_ptr();
settings_t *settings = config_get_ptr();
/* First content file is the significant one. */
set_basename(argv[0]);
global->subsystem_fullpaths = string_list_new();
rarch_assert(global->subsystem_fullpaths);
attr.i = 0;
for (i = 0; i < num_content; i++)
string_list_append(global->subsystem_fullpaths, argv[i], attr);
/* We defer SRAM path updates until we can resolve it.
* It is more complicated for special content types. */
if (!global->has_set_state_path)
fill_pathname_noext(global->savestate_name, global->basename,
".state", sizeof(global->savestate_name));
if (path_is_directory(global->savestate_name))
{
fill_pathname_dir(global->savestate_name, global->basename,
".state", sizeof(global->savestate_name));
RARCH_LOG("Redirecting save state to \"%s\".\n",
global->savestate_name);
}
/* If this is already set,
* do not overwrite it as this was initialized before in
* a menu or otherwise. */
if (!*settings->system_directory)
fill_pathname_basedir(settings->system_directory, argv[0],
sizeof(settings->system_directory));
}
static void set_paths_redirect(const char *path)
{
global_t *global = global_get_ptr();
if (path_is_directory(global->savefile_name))
{
fill_pathname_dir(global->savefile_name, global->basename,
".srm", sizeof(global->savefile_name));
RARCH_LOG("Redirecting save file to \"%s\".\n", global->savefile_name);
}
if (path_is_directory(global->savestate_name))
{
fill_pathname_dir(global->savestate_name, global->basename,
".state", sizeof(global->savestate_name));
RARCH_LOG("Redirecting save state to \"%s\".\n", global->savestate_name);
}
if (path_is_directory(global->cheatfile_name))
{
fill_pathname_dir(global->cheatfile_name, global->basename,
".state", sizeof(global->cheatfile_name));
RARCH_LOG("Redirecting cheat file to \"%s\".\n", global->cheatfile_name);
}
}
void rarch_set_paths(const char *path)
{
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
set_basename(path);
if (!global->has_set_save_path)
fill_pathname_noext(global->savefile_name, global->basename,
".srm", sizeof(global->savefile_name));
if (!global->has_set_state_path)
fill_pathname_noext(global->savestate_name, global->basename,
".state", sizeof(global->savestate_name));
fill_pathname_noext(global->cheatfile_name, global->basename,
".cht", sizeof(global->cheatfile_name));
set_paths_redirect(path);
/* If this is already set, do not overwrite it
* as this was initialized before in a menu or otherwise. */
if (*settings->system_directory)
return;
fill_pathname_basedir(settings->system_directory, path,
sizeof(settings->system_directory));
}
/**
* parse_input:
* @argc : Count of (commandline) arguments.
* @argv : (Commandline) arguments.
*
* Parses (commandline) arguments passed to RetroArch.
*
**/
static void parse_input(int argc, char *argv[])
{
runloop_t *runloop = rarch_main_get_ptr();
global_t *global = global_get_ptr();
global->libretro_no_content = false;
global->libretro_dummy = false;
global->has_set_save_path = false;
global->has_set_state_path = false;
global->has_set_libretro = false;
global->has_set_libretro_directory = false;
global->has_set_verbosity = false;
global->has_set_netplay_mode = false;
global->has_set_username = false;
global->has_set_netplay_ip_address = false;
global->has_set_netplay_delay_frames = false;
global->has_set_netplay_ip_port = false;
global->has_set_ups_pref = false;
global->has_set_bps_pref = false;
global->has_set_ips_pref = false;
global->ups_pref = false;
global->bps_pref = false;
global->ips_pref = false;
*global->ups_name = '\0';
*global->bps_name = '\0';
*global->ips_name = '\0';
*global->subsystem = '\0';
global->overrides_active = false;
if (argc < 2)
{
global->libretro_dummy = true;
return;
}
/* Make sure we can call parse_input several times ... */
optind = 0;
int val = 0;
const struct option opts[] = {
#ifdef HAVE_DYNAMIC
{ "libretro", 1, NULL, 'L' },
#endif
{ "menu", 0, &val, 'M' },
{ "help", 0, NULL, 'h' },
{ "save", 1, NULL, 's' },
{ "fullscreen", 0, NULL, 'f' },
{ "record", 1, NULL, 'r' },
{ "recordconfig", 1, &val, 'R' },
{ "size", 1, &val, 's' },
{ "verbose", 0, NULL, 'v' },
{ "config", 1, NULL, 'c' },
{ "appendconfig", 1, &val, 'C' },
{ "nodevice", 1, NULL, 'N' },
{ "dualanalog", 1, NULL, 'A' },
{ "device", 1, NULL, 'd' },
{ "savestate", 1, NULL, 'S' },
{ "bsvplay", 1, NULL, 'P' },
{ "bsvrecord", 1, NULL, 'R' },
{ "sram-mode", 1, NULL, 'M' },
#ifdef HAVE_NETPLAY
{ "host", 0, NULL, 'H' },
{ "connect", 1, NULL, 'C' },
{ "frames", 1, NULL, 'F' },
{ "port", 1, &val, 'p' },
{ "spectate", 0, &val, 'S' },
#endif
{ "nick", 1, &val, 'N' },
#if defined(HAVE_NETWORK_CMD) && defined(HAVE_NETPLAY)
{ "command", 1, &val, 'c' },
#endif
{ "ups", 1, NULL, 'U' },
{ "bps", 1, &val, 'B' },
{ "ips", 1, &val, 'I' },
{ "no-patch", 0, &val, 'n' },
{ "detach", 0, NULL, 'D' },
{ "features", 0, &val, 'f' },
{ "subsystem", 1, NULL, 'Z' },
{ "max-frames", 1, NULL, 'm' },
{ "eof-exit", 0, &val, 'e' },
{ NULL, 0, NULL, 0 }
};
#define FFMPEG_RECORD_ARG "r:"
#ifdef HAVE_DYNAMIC
#define DYNAMIC_ARG "L:"
#else
#define DYNAMIC_ARG
#endif
#ifdef HAVE_NETPLAY
#define NETPLAY_ARG "HC:F:"
#else
#define NETPLAY_ARG
#endif
#define BSV_MOVIE_ARG "P:R:M:"
const char *optstring = "hs:fvS:A:c:U:DN:d:" BSV_MOVIE_ARG NETPLAY_ARG DYNAMIC_ARG FFMPEG_RECORD_ARG;
settings_t *settings = config_get_ptr();
for (;;)
{
int port;
val = 0;
int c = getopt_long(argc, argv, optstring, opts, NULL);
if (c == -1)
break;
switch (c)
{
case 'h':
print_help();
exit(0);
case 'Z':
strlcpy(global->subsystem, optarg, sizeof(global->subsystem));
break;
case 'd':
{
unsigned id = 0;
struct string_list *list = string_split(optarg, ":");
port = 0;
if (list && list->size == 2)
{
port = strtol(list->elems[0].data, NULL, 0);
id = strtoul(list->elems[1].data, NULL, 0);
}
string_list_free(list);
if (port < 1 || port > MAX_USERS)
{
RARCH_ERR("Connect device to a valid port.\n");
print_help();
rarch_fail(1, "parse_input()");
}
settings->input.libretro_device[port - 1] = id;
global->has_set_libretro_device[port - 1] = true;
break;
}
case 'A':
port = strtol(optarg, NULL, 0);
if (port < 1 || port > MAX_USERS)
{
RARCH_ERR("Connect dualanalog to a valid port.\n");
print_help();
rarch_fail(1, "parse_input()");
}
settings->input.libretro_device[port - 1] = RETRO_DEVICE_ANALOG;
global->has_set_libretro_device[port - 1] = true;
break;
case 's':
strlcpy(global->savefile_name, optarg,
sizeof(global->savefile_name));
global->has_set_save_path = true;
break;
case 'f':
global->force_fullscreen = true;
break;
case 'S':
strlcpy(global->savestate_name, optarg,
sizeof(global->savestate_name));
global->has_set_state_path = true;
break;
case 'v':
global->verbosity = true;
global->has_set_verbosity = true;
break;
case 'N':
port = strtol(optarg, NULL, 0);
if (port < 1 || port > MAX_USERS)
{
RARCH_ERR("Disconnect device from a valid port.\n");
print_help();
rarch_fail(1, "parse_input()");
}
settings->input.libretro_device[port - 1] = RETRO_DEVICE_NONE;
global->has_set_libretro_device[port - 1] = true;
break;
case 'c':
strlcpy(global->config_path, optarg,
sizeof(global->config_path));
break;
case 'r':
strlcpy(global->record.path, optarg,
sizeof(global->record.path));
global->record.enable = true;
break;
#ifdef HAVE_DYNAMIC
case 'L':
if (path_is_directory(optarg))
{
*settings->libretro = '\0';
strlcpy(settings->libretro_directory, optarg,
sizeof(settings->libretro_directory));
global->has_set_libretro = true;
global->has_set_libretro_directory = true;
RARCH_WARN("Using old --libretro behavior. Setting libretro_directory to \"%s\" instead.\n", optarg);
}
else
{
strlcpy(settings->libretro, optarg,
sizeof(settings->libretro));
global->has_set_libretro = true;
}
break;
#endif
case 'P':
case 'R':
strlcpy(global->bsv.movie_start_path, optarg,
sizeof(global->bsv.movie_start_path));
global->bsv.movie_start_playback = (c == 'P');
global->bsv.movie_start_recording = (c == 'R');
break;
case 'M':
if (strcmp(optarg, "noload-nosave") == 0)
{
global->sram_load_disable = true;
global->sram_save_disable = true;
}
else if (strcmp(optarg, "noload-save") == 0)
global->sram_load_disable = true;
else if (strcmp(optarg, "load-nosave") == 0)
global->sram_save_disable = true;
else if (strcmp(optarg, "load-save") != 0)
{
RARCH_ERR("Invalid argument in --sram-mode.\n");
print_help();
rarch_fail(1, "parse_input()");
}
break;
#ifdef HAVE_NETPLAY
case 'H':
global->has_set_netplay_ip_address = true;
global->netplay_enable = true;
*global->netplay_server = '\0';
break;
case 'C':
global->has_set_netplay_ip_address = true;
global->netplay_enable = true;
strlcpy(global->netplay_server, optarg,
sizeof(global->netplay_server));
break;
case 'F':
global->netplay_sync_frames = strtol(optarg, NULL, 0);
global->has_set_netplay_delay_frames = true;
break;
#endif
case 'U':
strlcpy(global->ups_name, optarg,
sizeof(global->ups_name));
global->ups_pref = true;
global->has_set_ups_pref = true;
break;
case 'D':
#if defined(_WIN32) && !defined(_XBOX)
FreeConsole();
#endif
break;
case 'm':
runloop->frames.video.max = strtoul(optarg, NULL, 10);
break;
case 0:
switch (val)
{
case 'M':
global->libretro_dummy = true;
break;
#ifdef HAVE_NETPLAY
case 'p':
global->has_set_netplay_ip_port = true;
global->netplay_port = strtoul(optarg, NULL, 0);
break;
case 'S':
global->has_set_netplay_mode = true;
global->netplay_is_spectate = true;
break;
#endif
case 'N':
global->has_set_username = true;
strlcpy(settings->username, optarg,
sizeof(settings->username));
break;
#if defined(HAVE_NETWORK_CMD) && defined(HAVE_NETPLAY)
case 'c':
if (network_cmd_send(optarg))
exit(0);
else
rarch_fail(1, "network_cmd_send()");
break;
#endif
case 'C':
strlcpy(global->append_config_path, optarg,
sizeof(global->append_config_path));
break;
case 'B':
strlcpy(global->bps_name, optarg,
sizeof(global->bps_name));
global->bps_pref = true;
global->has_set_bps_pref = true;
break;
case 'I':
strlcpy(global->ips_name, optarg,
sizeof(global->ips_name));
global->ips_pref = true;
global->has_set_ips_pref = true;
break;
case 'n':
global->block_patch = true;
break;
case 's':
{
if (sscanf(optarg, "%ux%u", &global->record.width,
&global->record.height) != 2)
{
RARCH_ERR("Wrong format for --size.\n");
print_help();
rarch_fail(1, "parse_input()");
}
break;
}
case 'R':
strlcpy(global->record.config, optarg,
sizeof(global->record.config));
break;
case 'f':
print_features();
exit(0);
case 'e':
global->bsv.eof_exit = true;
break;
default:
break;
}
break;
case '?':
print_help();
rarch_fail(1, "parse_input()");
default:
RARCH_ERR("Error parsing arguments.\n");
rarch_fail(1, "parse_input()");
}
}
if (global->libretro_dummy)
{
if (optind < argc)
{
RARCH_ERR("--menu was used, but content file was passed as well.\n");
rarch_fail(1, "parse_input()");
}
}
else if (!*global->subsystem && optind < argc)
rarch_set_paths(argv[optind]);
else if (*global->subsystem && optind < argc)
set_special_paths(argv + optind, argc - optind);
else
global->libretro_no_content = true;
/* Copy SRM/state dirs used, so they can be reused on reentrancy. */
if (global->has_set_save_path &&
path_is_directory(global->savefile_name))
strlcpy(global->savefile_dir, global->savefile_name,
sizeof(global->savefile_dir));
if (global->has_set_state_path &&
path_is_directory(global->savestate_name))
strlcpy(global->savestate_dir, global->savestate_name,
sizeof(global->savestate_dir));
}
static void rarch_init_savefile_paths(void)
{
global_t *global = global_get_ptr();
event_command(EVENT_CMD_SAVEFILES_DEINIT);
global->savefiles = string_list_new();
rarch_assert(global->savefiles);
if (*global->subsystem)
{
/* For subsystems, we know exactly which RAM types are supported. */
unsigned i, j;
const struct retro_subsystem_info *info =
libretro_find_subsystem_info(
global->system.special, global->system.num_special,
global->subsystem);
/* We'll handle this error gracefully later. */
unsigned num_content = min(info ? info->num_roms : 0,
global->subsystem_fullpaths ?
global->subsystem_fullpaths->size : 0);
bool use_sram_dir = path_is_directory(global->savefile_name);
for (i = 0; i < num_content; i++)
{
for (j = 0; j < info->roms[i].num_memory; j++)
{
union string_list_elem_attr attr;
char path[PATH_MAX_LENGTH], ext[32];
const struct retro_subsystem_memory_info *mem =
(const struct retro_subsystem_memory_info*)
&info->roms[i].memory[j];
snprintf(ext, sizeof(ext), ".%s", mem->extension);
if (use_sram_dir)
{
/* Redirect content fullpath to save directory. */
strlcpy(path, global->savefile_name, sizeof(path));
fill_pathname_dir(path,
global->subsystem_fullpaths->elems[i].data, ext,
sizeof(path));
}
else
{
fill_pathname(path, global->subsystem_fullpaths->elems[i].data,
ext, sizeof(path));
}
attr.i = mem->type;
string_list_append(global->savefiles, path, attr);
}
}
/* Let other relevant paths be inferred from the main SRAM location. */
if (!global->has_set_save_path)
fill_pathname_noext(global->savefile_name, global->basename, ".srm",
sizeof(global->savefile_name));
if (path_is_directory(global->savefile_name))
{
fill_pathname_dir(global->savefile_name, global->basename, ".srm",
sizeof(global->savefile_name));
RARCH_LOG("Redirecting save file to \"%s\".\n",
global->savefile_name);
}
}
else
{
char savefile_name_rtc[PATH_MAX_LENGTH];
union string_list_elem_attr attr;
attr.i = RETRO_MEMORY_SAVE_RAM;
string_list_append(global->savefiles, global->savefile_name, attr);
/* Infer .rtc save path from save ram path. */
attr.i = RETRO_MEMORY_RTC;
fill_pathname(savefile_name_rtc,
global->savefile_name, ".rtc", sizeof(savefile_name_rtc));
string_list_append(global->savefiles, savefile_name_rtc, attr);
}
}
void rarch_fill_pathnames(void)
{
global_t *global = global_get_ptr();
rarch_init_savefile_paths();
fill_pathname(global->bsv.movie_path, global->savefile_name, "",
sizeof(global->bsv.movie_path));
if (!*global->basename)
return;
if (!*global->ups_name)
fill_pathname_noext(global->ups_name, global->basename, ".ups",
sizeof(global->ups_name));
if (!*global->bps_name)
fill_pathname_noext(global->bps_name, global->basename, ".bps",
sizeof(global->bps_name));
if (!*global->ips_name)
fill_pathname_noext(global->ips_name, global->basename, ".ips",
sizeof(global->ips_name));
}
static bool init_state(void)
{
driver_t *driver = driver_get_ptr();
if (!driver)
return false;
driver->video_active = true;
driver->audio_active = true;
return true;
}
static void main_clear_state_drivers(void)
{
global_t *global = global_get_ptr();
bool inited = false;
if (!global)
return;
inited = global->main_is_init;
if (!inited)
return;
event_command(EVENT_CMD_DRIVERS_DEINIT);
event_command(EVENT_CMD_DRIVERS_INIT);
}
static void main_init_state_config(void)
{
unsigned i;
settings_t *settings = config_get_ptr();
if (!settings)
return;
for (i = 0; i < MAX_USERS; i++)
settings->input.libretro_device[i] = RETRO_DEVICE_JOYPAD;
}
void rarch_main_alloc(void)
{
settings_t *settings = config_get_ptr();
if (settings)
config_free();
settings = config_init();
if (!settings)
return;
event_command(EVENT_CMD_HISTORY_DEINIT);
rarch_main_clear_state();
rarch_main_data_clear_state();
}
/**
* rarch_main_new:
*
* Will teardown drivers and clears all
* internal state of RetroArch.
* If @inited is true, will initialize all
* drivers again after teardown.
**/
void rarch_main_new(void)
{
main_clear_state_drivers();
init_state();
main_init_state_config();
event_command(EVENT_CMD_MSG_QUEUE_INIT);
}
void rarch_main_free(void)
{
event_command(EVENT_CMD_MSG_QUEUE_DEINIT);
event_command(EVENT_CMD_LOG_FILE_DEINIT);
event_command(EVENT_CMD_DRIVERS_DEINIT);
rarch_main_state_free();
rarch_main_global_free();
config_free();
}
#ifdef HAVE_ZLIB
#define DEFAULT_EXT "zip"
#else
#define DEFAULT_EXT ""
#endif
static void init_system_info(void)
{
global_t *global = global_get_ptr();
struct retro_system_info *info = (struct retro_system_info*)
global ? &global->system.info : NULL;
pretro_get_system_info(info);
if (!info->library_name)
info->library_name = "Unknown";
if (!info->library_version)
info->library_version = "v0";
#ifdef RARCH_CONSOLE
snprintf(global->title_buf, sizeof(global->title_buf), "%s %s",
info->library_name, info->library_version);
#else
snprintf(global->title_buf, sizeof(global->title_buf),
RETRO_FRONTEND " : %s %s",
info->library_name, info->library_version);
#endif
strlcpy(global->system.valid_extensions, info->valid_extensions ?
info->valid_extensions : DEFAULT_EXT,
sizeof(global->system.valid_extensions));
global->system.block_extract = info->block_extract;
}
/*
* rarch_verify_api_version:
*
* Compare libretro core API version against API version
* used by RetroArch.
*
* TODO - when libretro v2 gets added, allow for switching
* between libretro version backend dynamically.
**/
void rarch_verify_api_version(void)
{
RARCH_LOG("Version of libretro API: %u\n", pretro_api_version());
RARCH_LOG("Compiled against API: %u\n", RETRO_API_VERSION);
if (pretro_api_version() != RETRO_API_VERSION)
RARCH_WARN(RETRO_LOG_LIBRETRO_ABI_BREAK);
}
#define FAIL_CPU(simd_type) do { \
RARCH_ERR(simd_type " code is compiled in, but CPU does not support this feature. Cannot continue.\n"); \
rarch_fail(1, "validate_cpu_features()"); \
} while(0)
/* validate_cpu_features:
*
* Validates CPU features for given processor architecture.
*
* Make sure we haven't compiled for something we cannot run.
* Ideally, code would get swapped out depending on CPU support,
* but this will do for now.
*/
static void validate_cpu_features(void)
{
uint64_t cpu = rarch_get_cpu_features();
(void)cpu;
#ifdef __SSE__
if (!(cpu & RETRO_SIMD_SSE))
FAIL_CPU("SSE");
#endif
#ifdef __SSE2__
if (!(cpu & RETRO_SIMD_SSE2))
FAIL_CPU("SSE2");
#endif
#ifdef __AVX__
if (!(cpu & RETRO_SIMD_AVX))
FAIL_CPU("AVX");
#endif
}
/**
* rarch_init_system_av_info:
*
* Initialize system A/V information by calling the libretro core's
* get_system_av_info function.
**/
void rarch_init_system_av_info(void)
{
runloop_t *runloop = rarch_main_get_ptr();
global_t *global = global_get_ptr();
pretro_get_system_av_info(&global->system.av_info);
runloop->frames.limit.last_time = rarch_get_time_usec();
}
/**
* rarch_main_init:
* @argc : Count of (commandline) arguments.
* @argv : (Commandline) arguments.
*
* Initializes RetroArch.
*
* Returns: 0 on success, otherwise 1 if there was an error.
**/
int rarch_main_init(int argc, char *argv[])
{
int sjlj_ret;
global_t *global = global_get_ptr();
init_state();
if ((sjlj_ret = setjmp(global->error_sjlj_context)) > 0)
{
RARCH_ERR("Fatal error received in: \"%s\"\n", global->error_string);
return sjlj_ret;
}
global->error_in_init = true;
parse_input(argc, argv);
if (global->verbosity)
{
RARCH_LOG_OUTPUT("=== Build =======================================");
print_compiler(stderr);
RARCH_LOG_OUTPUT("Version: %s\n", PACKAGE_VERSION);
#ifdef HAVE_GIT_VERSION
RARCH_LOG_OUTPUT("Git: %s\n", rarch_git_version);
#endif
RARCH_LOG_OUTPUT("=================================================\n");
}
validate_cpu_features();
config_load();
init_libretro_sym(global->libretro_dummy);
init_system_info();
init_drivers_pre();
if (!event_command(EVENT_CMD_CORE_INIT))
goto error;
event_command(EVENT_CMD_DRIVERS_INIT);
event_command(EVENT_CMD_COMMAND_INIT);
event_command(EVENT_CMD_REWIND_INIT);
event_command(EVENT_CMD_CONTROLLERS_INIT);
event_command(EVENT_CMD_RECORD_INIT);
event_command(EVENT_CMD_CHEATS_INIT);
event_command(EVENT_CMD_REMAPPING_INIT);
event_command(EVENT_CMD_SAVEFILES_INIT);
#if defined(GEKKO) && defined(HW_RVL)
{
settings_t *settings = config_get_ptr();
if (settings)
{
event_command(EVENT_CMD_VIDEO_SET_ASPECT_RATIO);
video_driver_set_aspect_ratio(settings->video.aspect_ratio_idx);
}
}
#endif
global->error_in_init = false;
global->main_is_init = true;
return 0;
error:
event_command(EVENT_CMD_CORE_DEINIT);
global->main_is_init = false;
return 1;
}
/**
* rarch_main_init_wrap:
* @args : Input arguments.
* @argc : Count of arguments.
* @argv : Arguments.
*
* Generates an @argc and @argv pair based on @args
* of type rarch_main_wrap.
**/
void rarch_main_init_wrap(const struct rarch_main_wrap *args,
int *argc, char **argv)
{
*argc = 0;
argv[(*argc)++] = strdup("retroarch");
if (!args->no_content)
{
if (args->content_path)
{
RARCH_LOG("Using content: %s.\n", args->content_path);
argv[(*argc)++] = strdup(args->content_path);
}
else
{
RARCH_LOG("No content, starting dummy core.\n");
argv[(*argc)++] = strdup("--menu");
}
}
if (args->sram_path)
{
argv[(*argc)++] = strdup("-s");
argv[(*argc)++] = strdup(args->sram_path);
}
if (args->state_path)
{
argv[(*argc)++] = strdup("-S");
argv[(*argc)++] = strdup(args->state_path);
}
if (args->config_path)
{
argv[(*argc)++] = strdup("-c");
argv[(*argc)++] = strdup(args->config_path);
}
#ifdef HAVE_DYNAMIC
if (args->libretro_path)
{
argv[(*argc)++] = strdup("-L");
argv[(*argc)++] = strdup(args->libretro_path);
}
#endif
if (args->verbose)
argv[(*argc)++] = strdup("-v");
#ifdef HAVE_FILE_LOGGER
for (i = 0; i < *argc; i++)
RARCH_LOG("arg #%d: %s\n", i, argv[i]);
#endif
}
void rarch_main_set_state(unsigned cmd)
{
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();
switch (cmd)
{
case RARCH_ACTION_STATE_MENU_RUNNING:
#ifdef HAVE_MENU
{
menu_handle_t *menu = menu_driver_get_ptr();
if (!menu)
return;
menu_driver_toggle(true);
/* Menu should always run with vsync on. */
event_command(EVENT_CMD_VIDEO_SET_BLOCKING_STATE);
/* Stop all rumbling before entering the menu. */
event_command(EVENT_CMD_RUMBLE_STOP);
if (settings->menu.pause_libretro)
event_command(EVENT_CMD_AUDIO_STOP);
/* Override keyboard callback to redirect to menu instead.
* We'll use this later for something ...
* FIXME: This should probably be moved to menu_common somehow. */
if (global)
{
global->frontend_key_event = global->system.key_event;
global->system.key_event = menu_input_key_event;
global->system.frame_time_last = 0;
}
menu->need_refresh = true;
runloop->is_menu = true;
}
#endif
break;
case RARCH_ACTION_STATE_LOAD_CONTENT:
#ifdef HAVE_MENU
/* If content loading fails, we go back to menu. */
if (!menu_load_content())
rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING);
#endif
if (driver->frontend_ctx && driver->frontend_ctx->content_loaded)
driver->frontend_ctx->content_loaded();
break;
case RARCH_ACTION_STATE_MENU_RUNNING_FINISHED:
#ifdef HAVE_MENU
menu_apply_deferred_settings();
menu_driver_toggle(false);
runloop->is_menu = false;
driver_set_nonblock_state(driver->nonblock_state);
if (settings && settings->menu.pause_libretro)
event_command(EVENT_CMD_AUDIO_START);
/* Prevent stray input from going to libretro core */
driver->flushing_input = true;
/* Restore libretro keyboard callback. */
if (global)
global->system.key_event = global->frontend_key_event;
#endif
video_driver_set_texture_enable(false, false);
break;
case RARCH_ACTION_STATE_QUIT:
if (global)
global->system.shutdown = true;
rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED);
break;
case RARCH_ACTION_STATE_FORCE_QUIT:
if (global)
global->lifecycle_state = 0;
rarch_main_set_state(RARCH_ACTION_STATE_QUIT);
break;
case RARCH_ACTION_STATE_NONE:
default:
break;
}
}
/**
* rarch_main_deinit:
*
* Deinitializes RetroArch.
**/
void rarch_main_deinit(void)
{
global_t *global = global_get_ptr();
event_command(EVENT_CMD_NETPLAY_DEINIT);
event_command(EVENT_CMD_COMMAND_DEINIT);
if (global->use_sram)
event_command(EVENT_CMD_AUTOSAVE_DEINIT);
event_command(EVENT_CMD_RECORD_DEINIT);
event_command(EVENT_CMD_SAVEFILES);
event_command(EVENT_CMD_REWIND_DEINIT);
event_command(EVENT_CMD_CHEATS_DEINIT);
event_command(EVENT_CMD_BSV_MOVIE_DEINIT);
event_command(EVENT_CMD_AUTOSAVE_STATE);
event_command(EVENT_CMD_CORE_DEINIT);
event_command(EVENT_CMD_TEMPORARY_CONTENT_DEINIT);
event_command(EVENT_CMD_SUBSYSTEM_FULLPATHS_DEINIT);
event_command(EVENT_CMD_SAVEFILES_DEINIT);
global->main_is_init = false;
}
/**
* rarch_playlist_load_content:
* @playlist : Playlist handle.
* @idx : Index in playlist.
*
* Initializes core and loads content based on playlist entry.
**/
void rarch_playlist_load_content(content_playlist_t *playlist,
unsigned idx)
{
const char *path = NULL;
const char *core_path = NULL;
menu_handle_t *menu = menu_driver_get_ptr();
settings_t *settings = config_get_ptr();
content_playlist_get_index(playlist,
idx, &path, &core_path, NULL);
strlcpy(settings->libretro, core_path, sizeof(settings->libretro));
if (menu)
menu->load_no_content = (path) ? false : true;
rarch_environment_cb(RETRO_ENVIRONMENT_EXEC, (void*)path);
event_command(EVENT_CMD_LOAD_CORE);
}
/**
* rarch_defer_core:
* @core_info : Core info list handle.
* @dir : Directory. Gets joined with @path.
* @path : Path. Gets joined with @dir.
* @menu_label : Label identifier of menu setting.
* @deferred_path : Deferred core path. Will be filled in
* by function.
* @sizeof_deferred_path : Size of @deferred_path.
*
* Gets deferred core.
*
* Returns: 0 if there are multiple deferred cores and a
* selection needs to be made from a list, otherwise
* returns -1 and fills in @deferred_path with path to core.
**/
int rarch_defer_core(core_info_list_t *core_info, const char *dir,
const char *path, const char *menu_label,
char *deferred_path, size_t sizeof_deferred_path)
{
char new_core_path[PATH_MAX_LENGTH];
const core_info_t *info = NULL;
size_t supported = 0;
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
fill_pathname_join(deferred_path, dir, path, sizeof_deferred_path);
#ifdef HAVE_COMPRESSION
if (path_is_compressed_file(dir))
{
/* In case of a compressed archive, we have to join with a hash */
/* We are going to write at the position of dir: */
rarch_assert(strlen(dir) < strlen(deferred_path));
deferred_path[strlen(dir)] = '#';
}
#endif
if (core_info)
core_info_list_get_supported_cores(core_info, deferred_path, &info,
&supported);
if (!strcmp(menu_label, "load_content"))
{
info = (const core_info_t*)&global->core_info_current;
if (info)
{
strlcpy(new_core_path, info->path, sizeof(new_core_path));
supported = 1;
}
}
else
strlcpy(new_core_path, info->path, sizeof(new_core_path));
/* There are multiple deferred cores and a
* selection needs to be made from a list, return 0. */
if (supported != 1)
return 0;
strlcpy(global->fullpath, deferred_path, sizeof(global->fullpath));
if (path_file_exists(new_core_path))
strlcpy(settings->libretro, new_core_path,
sizeof(settings->libretro));
return -1;
}
/**
* rarch_replace_config:
* @path : Path to config file to replace
* current config file with.
*
* Replaces currently loaded configuration file with
* another one. Will load a dummy core to flush state
* properly.
*
* Quite intrusive and error prone.
* Likely to have lots of small bugs.
* Cleanly exit the main loop to ensure that all the tiny details
* get set properly.
*
* This should mitigate most of the smaller bugs.
*
* Returns: true (1) if successful, false (0) if @path was the
* same as the current config file.
**/
bool rarch_replace_config(const char *path)
{
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
/* If config file to be replaced is the same as the
* current config file, exit. */
if (!strcmp(path, global->config_path))
return false;
if (settings->config_save_on_exit && *global->config_path)
config_save_file(global->config_path);
strlcpy(global->config_path, path, sizeof(global->config_path));
global->block_config_read = false;
*settings->libretro = '\0'; /* Load core in new config. */
event_command(EVENT_CMD_PREPARE_DUMMY);
return true;
}
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