RetroArch/retroarch.h
2021-10-15 14:32:07 +02:00

303 lines
8.8 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2021 - Daniel De Matteis
* Copyright (C) 2016-2019 - Brad Parker
*
* 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_H
#define __RETROARCH_H
#include <stdint.h>
#include <stddef.h>
#include <sys/types.h>
#include <stdlib.h>
#include <boolean.h>
#include <retro_inline.h>
#include <retro_common_api.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <lists/string_list.h>
#include <queues/task_queue.h>
#include <queues/message_queue.h>
#include "gfx/video_driver.h"
#include "core.h"
#include "runloop.h"
#include "retroarch_types.h"
RETRO_BEGIN_DECLS
#define RETRO_ENVIRONMENT_RETROARCH_START_BLOCK 0x800000
#define RETRO_ENVIRONMENT_SET_SAVE_STATE_IN_BACKGROUND (2 | RETRO_ENVIRONMENT_RETROARCH_START_BLOCK)
/* bool * --
* Boolean value that tells the front end to save states in the
* background or not.
*/
#define RETRO_ENVIRONMENT_GET_CLEAR_ALL_THREAD_WAITS_CB (3 | RETRO_ENVIRONMENT_RETROARCH_START_BLOCK)
/* retro_environment_t * --
* Provides the callback to the frontend method which will cancel
* all currently waiting threads. Used when coordination is needed
* between the core and the frontend to gracefully stop all threads.
*/
#define RETRO_ENVIRONMENT_POLL_TYPE_OVERRIDE (4 | RETRO_ENVIRONMENT_RETROARCH_START_BLOCK)
/* unsigned * --
* Tells the frontend to override the poll type behavior.
* Allows the frontend to influence the polling behavior of the
* frontend.
*
* Will be unset when retro_unload_game is called.
*
* 0 - Don't Care, no changes, frontend still determines polling type behavior.
* 1 - Early
* 2 - Normal
* 3 - Late
*/
bool retroarch_ctl(enum rarch_ctl_state state, void *data);
int retroarch_get_capabilities(enum rarch_capabilities type,
char *s, size_t len);
void retroarch_override_setting_set(enum rarch_override_setting enum_idx, void *data);
void retroarch_override_setting_unset(enum rarch_override_setting enum_idx, void *data);
bool retroarch_override_setting_is_set(enum rarch_override_setting enum_idx, void *data);
void runloop_set_current_core_type(
enum rarch_core_type type, bool explicitly_set);
const char* retroarch_get_shader_preset(void);
/**
* retroarch_main_init:
* @argc : Count of (commandline) arguments.
* @argv : (Commandline) arguments.
*
* Initializes the program.
*
* Returns: 1 (true) on success, otherwise false (0) if there was an error.
**/
bool retroarch_main_init(int argc, char *argv[]);
bool retroarch_main_quit(void);
global_t *global_get_ptr(void);
content_state_t *content_state_get_ptr(void);
unsigned content_get_subsystem_rom_id(void);
int content_get_subsystem(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(void);
void runloop_msg_queue_push(const char *msg,
unsigned prio, unsigned duration,
bool flush,
char *title,
enum message_queue_icon icon, enum message_queue_category category);
void retroarch_menu_running(void);
void retroarch_menu_running_finished(bool quit);
enum retro_language rarch_get_language_from_iso(const char *lang);
void rarch_favorites_init(void);
void rarch_favorites_deinit(void);
/* Audio */
/**
* config_get_audio_driver_options:
*
* Get an enumerated list of all audio driver names, separated by '|'.
*
* Returns: string listing of all audio driver names, separated by '|'.
**/
const char* config_get_audio_driver_options(void);
/* Recording */
typedef struct record_driver
{
void *(*init)(const struct record_params *params);
void (*free)(void *data);
bool (*push_video)(void *data, const struct record_video_data *video_data);
bool (*push_audio)(void *data, const struct record_audio_data *audio_data);
bool (*finalize)(void *data);
const char *ident;
} record_driver_t;
extern const record_driver_t record_ffmpeg;
/**
* config_get_record_driver_options:
*
* Get an enumerated list of all record driver names, separated by '|'.
*
* Returns: string listing of all record driver names, separated by '|'.
**/
const char* config_get_record_driver_options(void);
bool recording_is_enabled(void);
void streaming_set_state(bool state);
bool streaming_is_enabled(void);
void recording_driver_update_streaming_url(void);
/* Video */
#ifdef HAVE_OVERLAY
#include "input/input_overlay.h"
#endif
/* BSV Movie */
void bsv_movie_frame_rewind(void);
/* Camera */
typedef struct camera_driver
{
/* FIXME: params for initialization - queries for resolution,
* framerate, color format which might or might not be honored. */
void *(*init)(const char *device, uint64_t buffer_types,
unsigned width, unsigned height);
void (*free)(void *data);
bool (*start)(void *data);
void (*stop)(void *data);
/* Polls the camera driver.
* Will call the appropriate callback if a new frame is ready.
* Returns true if a new frame was handled. */
bool (*poll)(void *data,
retro_camera_frame_raw_framebuffer_t frame_raw_cb,
retro_camera_frame_opengl_texture_t frame_gl_cb);
const char *ident;
} camera_driver_t;
extern camera_driver_t camera_v4l2;
extern camera_driver_t camera_android;
extern camera_driver_t camera_rwebcam;
extern camera_driver_t camera_avfoundation;
/**
* config_get_camera_driver_options:
*
* Get an enumerated list of all camera driver names,
* separated by '|'.
*
* Returns: string listing of all camera driver names,
* separated by '|'.
**/
const char* config_get_camera_driver_options(void);
unsigned int retroarch_get_rotation(void);
void retroarch_init_task_queue(void);
/* Human readable order of input binds */
static const unsigned input_config_bind_order[] = {
RETRO_DEVICE_ID_JOYPAD_UP,
RETRO_DEVICE_ID_JOYPAD_DOWN,
RETRO_DEVICE_ID_JOYPAD_LEFT,
RETRO_DEVICE_ID_JOYPAD_RIGHT,
RETRO_DEVICE_ID_JOYPAD_A,
RETRO_DEVICE_ID_JOYPAD_B,
RETRO_DEVICE_ID_JOYPAD_X,
RETRO_DEVICE_ID_JOYPAD_Y,
RETRO_DEVICE_ID_JOYPAD_SELECT,
RETRO_DEVICE_ID_JOYPAD_START,
RETRO_DEVICE_ID_JOYPAD_L,
RETRO_DEVICE_ID_JOYPAD_R,
RETRO_DEVICE_ID_JOYPAD_L2,
RETRO_DEVICE_ID_JOYPAD_R2,
RETRO_DEVICE_ID_JOYPAD_L3,
RETRO_DEVICE_ID_JOYPAD_R3,
19, /* Left Analog Up */
18, /* Left Analog Down */
17, /* Left Analog Left */
16, /* Left Analog Right */
23, /* Right Analog Up */
22, /* Right Analog Down */
21, /* Right Analog Left */
20, /* Right Analog Right */
};
/* Creates folder and core options stub file for subsequent runs */
bool core_options_create_override(bool game_specific);
bool core_options_remove_override(bool game_specific);
void core_options_reset(void);
void core_options_flush(void);
typedef enum apple_view_type
{
APPLE_VIEW_TYPE_NONE = 0,
APPLE_VIEW_TYPE_OPENGL_ES,
APPLE_VIEW_TYPE_OPENGL,
APPLE_VIEW_TYPE_VULKAN,
APPLE_VIEW_TYPE_METAL
} apple_view_type_t;
bool retroarch_get_current_savestate_path(char *path, size_t len);
struct recording
{
const record_driver_t *driver;
void *data;
size_t gpu_width;
size_t gpu_height;
unsigned width;
unsigned height;
bool enable;
};
typedef struct recording recording_state_t;
recording_state_t *recording_state_get_ptr(void);
RETRO_END_DECLS
#endif