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RetroArch/runloop.h

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2016 - 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 __RETROARCH_RUNLOOP_H
#define __RETROARCH_RUNLOOP_H
#include <retro_miscellaneous.h>
#include "configuration.h"
#include "dynamic.h"
#ifdef __cplusplus
extern "C" {
#endif
enum runloop_ctl_state
{
RUNLOOP_CTL_NONE = 0,
RUNLOOP_CTL_SET_FRAME_LIMIT,
RUNLOOP_CTL_UNSET_FRAME_LIMIT,
RUNLOOP_CTL_SHOULD_SET_FRAME_LIMIT,
RUNLOOP_CTL_SET_FRAME_TIME_LAST,
RUNLOOP_CTL_UNSET_FRAME_TIME_LAST,
RUNLOOP_CTL_TASK_INIT,
RUNLOOP_CTL_IS_FRAME_TIME_LAST,
RUNLOOP_CTL_IS_FRAME_COUNT_END,
RUNLOOP_CTL_IS_IDLE,
RUNLOOP_CTL_GET_WINDOWED_SCALE,
RUNLOOP_CTL_SET_WINDOWED_SCALE,
RUNLOOP_CTL_SET_IDLE,
RUNLOOP_CTL_IS_OVERRIDES_ACTIVE,
RUNLOOP_CTL_SET_OVERRIDES_ACTIVE,
RUNLOOP_CTL_UNSET_OVERRIDES_ACTIVE,
RUNLOOP_CTL_IS_GAME_OPTIONS_ACTIVE,
RUNLOOP_CTL_SET_GAME_OPTIONS_ACTIVE,
RUNLOOP_CTL_UNSET_GAME_OPTIONS_ACTIVE,
RUNLOOP_CTL_CHECK_IDLE_STATE,
RUNLOOP_CTL_GET_CONTENT_PATH,
RUNLOOP_CTL_SET_CONTENT_PATH,
RUNLOOP_CTL_CLEAR_CONTENT_PATH,
RUNLOOP_CTL_SET_LIBRETRO_PATH,
RUNLOOP_CTL_IS_SLOWMOTION,
RUNLOOP_CTL_SET_SLOWMOTION,
RUNLOOP_CTL_IS_PAUSED,
RUNLOOP_CTL_SET_PAUSED,
RUNLOOP_CTL_SET_MAX_FRAMES,
RUNLOOP_CTL_CLEAR_STATE,
RUNLOOP_CTL_STATE_FREE,
RUNLOOP_CTL_GLOBAL_FREE,
RUNLOOP_CTL_CHECK_FOCUS,
RUNLOOP_CTL_SET_CORE_SHUTDOWN,
RUNLOOP_CTL_UNSET_CORE_SHUTDOWN,
RUNLOOP_CTL_IS_CORE_SHUTDOWN,
RUNLOOP_CTL_SET_SHUTDOWN,
RUNLOOP_CTL_UNSET_SHUTDOWN,
RUNLOOP_CTL_IS_SHUTDOWN,
RUNLOOP_CTL_SET_EXEC,
RUNLOOP_CTL_UNSET_EXEC,
RUNLOOP_CTL_IS_EXEC,
RUNLOOP_CTL_GET_PERFCNT,
RUNLOOP_CTL_SET_PERFCNT_ENABLE,
RUNLOOP_CTL_UNSET_PERFCNT_ENABLE,
RUNLOOP_CTL_IS_PERFCNT_ENABLE,
RUNLOOP_CTL_FRONTEND_KEY_EVENT_GET,
RUNLOOP_CTL_KEY_EVENT_GET,
RUNLOOP_CTL_DATA_DEINIT,
/* Checks for state changes in this frame. */
RUNLOOP_CTL_CHECK_STATE,
RUNLOOP_CTL_CHECK_MOVIE,
/* Checks if movie is being played. */
RUNLOOP_CTL_CHECK_MOVIE_PLAYBACK,
RUNLOOP_CTL_CHECK_MOVIE_INIT,
/* Checks if movie is being recorded. */
RUNLOOP_CTL_CHECK_MOVIE_RECORD,
/* Checks if slowmotion toggle/hold
* was being pressed and/or held. */
RUNLOOP_CTL_CHECK_SLOWMOTION,
RUNLOOP_CTL_CHECK_PAUSE_STATE,
/* Initializes message queue. */
RUNLOOP_CTL_MSG_QUEUE_INIT,
/* Deinitializes message queue. */
RUNLOOP_CTL_MSG_QUEUE_DEINIT,
/* Initializes dummy core. */
RUNLOOP_CTL_MSG_QUEUE_LOCK,
RUNLOOP_CTL_MSG_QUEUE_UNLOCK,
RUNLOOP_CTL_MSG_QUEUE_FREE,
RUNLOOP_CTL_MSG_QUEUE_PULL,
RUNLOOP_CTL_MSG_QUEUE_PUSH,
RUNLOOP_CTL_MSG_QUEUE_CLEAR,
RUNLOOP_CTL_HAS_CORE_OPTIONS,
RUNLOOP_CTL_GET_CORE_OPTION_SIZE,
RUNLOOP_CTL_IS_CORE_OPTION_UPDATED,
RUNLOOP_CTL_CORE_OPTION_PREV,
RUNLOOP_CTL_CORE_OPTION_NEXT,
RUNLOOP_CTL_CORE_OPTIONS_GET,
RUNLOOP_CTL_CORE_OPTIONS_INIT,
RUNLOOP_CTL_CORE_OPTIONS_DEINIT,
RUNLOOP_CTL_SHADER_DIR_DEINIT,
RUNLOOP_CTL_SHADER_DIR_INIT,
RUNLOOP_CTL_SYSTEM_INFO_GET,
RUNLOOP_CTL_SYSTEM_INFO_INIT,
RUNLOOP_CTL_SYSTEM_INFO_FREE,
RUNLOOP_CTL_DATA_ITERATE,
RUNLOOP_CTL_PREPARE_DUMMY
};
typedef int (*transfer_cb_t)(void *data, size_t len);
typedef struct rarch_dir_list
{
struct string_list *list;
size_t ptr;
} rarch_dir_list_t;
typedef struct rarch_dir
{
/* Used on reentrancy to use a savestate dir. */
char savefile[PATH_MAX_LENGTH];
char savestate[PATH_MAX_LENGTH];
char systemdir[PATH_MAX_LENGTH];
#ifdef HAVE_OVERLAY
char osk_overlay[PATH_MAX_LENGTH];
#endif
rarch_dir_list_t filter_dir;
} rarch_dir_t;
typedef struct rarch_path
{
char gb_rom[PATH_MAX_LENGTH];
char bsx_rom[PATH_MAX_LENGTH];
char sufami_rom[2][PATH_MAX_LENGTH];
/* Config associated with global "default" config. */
char config[PATH_MAX_LENGTH];
char append_config[PATH_MAX_LENGTH];
char input_config[PATH_MAX_LENGTH];
#ifdef HAVE_FILE_LOGGER
char default_log[PATH_MAX_LENGTH];
#endif
/* Config file associated with per-core configs. */
char core_specific_config[PATH_MAX_LENGTH];
} rarch_path_t;
typedef struct rarch_resolution
{
unsigned idx;
unsigned id;
} rarch_resolution_t;
/* All run-time- / command line flag-related globals go here. */
typedef struct global
{
rarch_path_t path;
rarch_dir_t dir;
struct
{
bool input_descriptors;
bool save_path;
bool state_path;
bool libretro_device[MAX_USERS];
bool libretro;
bool libretro_directory;
bool verbosity;
bool netplay_mode;
bool username;
bool netplay_ip_address;
bool netplay_delay_frames;
bool netplay_ip_port;
bool ups_pref;
bool bps_pref;
bool ips_pref;
} has_set;
struct
{
char base[PATH_MAX_LENGTH];
char savefile[PATH_MAX_LENGTH];
char savestate[PATH_MAX_LENGTH];
char cheatfile[PATH_MAX_LENGTH];
char ups[PATH_MAX_LENGTH];
char bps[PATH_MAX_LENGTH];
char ips[PATH_MAX_LENGTH];
} name;
/* A list of save types and associated paths for all content. */
struct string_list *savefiles;
/* For --subsystem content. */
char subsystem[PATH_MAX_LENGTH];
struct string_list *subsystem_fullpaths;
struct
{
bool block_patch;
bool ups_pref;
bool bps_pref;
bool ips_pref;
} patch;
struct
{
bool load_disable;
bool save_disable;
bool use;
} sram;
#ifdef HAVE_NETPLAY
/* Netplay. */
struct
{
char server[PATH_MAX_LENGTH];
bool enable;
bool is_client;
bool is_spectate;
unsigned sync_frames;
unsigned port;
} netplay;
#endif
/* Recording. */
struct
{
char path[PATH_MAX_LENGTH];
char config[PATH_MAX_LENGTH];
unsigned width;
unsigned height;
size_t gpu_width;
size_t gpu_height;
char output_dir[PATH_MAX_LENGTH];
char config_dir[PATH_MAX_LENGTH];
bool use_output_dir;
} record;
/* 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;
unsigned width;
unsigned height;
} resolutions;
unsigned gamma_correction;
unsigned char flicker_filter_index;
unsigned char soft_filter_index;
bool pal_enable;
bool pal60_enable;
} screen;
struct
{
bool system_bgm_enable;
} sound;
bool flickerfilter_enable;
bool softfilter_enable;
} console;
} global_t;
typedef struct runloop_ctx_msg_info
{
const char *msg;
unsigned prio;
unsigned duration;
bool flush;
} runloop_ctx_msg_info_t;
global_t *global_get_ptr(void);
/**
* runloop_iterate:
*
* Run Libretro core in RetroArch for one frame.
*
* Returns: 0 on successful run,
* Returns 1 if we have to wait until button input in order
* to wake up the loop.
* Returns -1 if we forcibly quit out of the
* RetroArch iteration loop.
**/
int runloop_iterate(unsigned *sleep_ms);
void runloop_msg_queue_push(const char *msg, unsigned prio,
unsigned duration, bool flush);
const char *runloop_msg_queue_pull(void);
bool runloop_ctl(enum runloop_ctl_state state, void *data);
#ifdef __cplusplus
}
#endif
#endif
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