RetroArch/core.h
2016-12-10 09:04:40 +01:00

251 lines
5.6 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2016 - 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/>.
*/
#ifndef _LIBRETRO_CORE_IMPL_H
#define _LIBRETRO_CORE_IMPL_H
#include <boolean.h>
#include <libretro.h>
#include <retro_common_api.h>
#include "core_type.h"
#include "input/input_defines.h"
RETRO_BEGIN_DECLS
enum
{
/* Polling is performed before
* call to retro_run. */
POLL_TYPE_EARLY = 0,
/* Polling is performed when requested. */
POLL_TYPE_NORMAL,
/* Polling is performed on first call to
* retro_input_state per frame. */
POLL_TYPE_LATE
};
typedef struct rarch_memory_descriptor
{
struct retro_memory_descriptor core;
size_t disconnect_mask;
} rarch_memory_descriptor_t;
typedef struct rarch_memory_map
{
rarch_memory_descriptor_t *descriptors;
unsigned num_descriptors;
} rarch_memory_map_t;
typedef struct rarch_system_info
{
struct retro_system_info info;
unsigned rotation;
unsigned performance_level;
const char *input_desc_btn[MAX_USERS][RARCH_FIRST_META_KEY];
char valid_extensions[255];
struct retro_disk_control_callback disk_control_cb;
struct retro_location_callback location_cb;
struct
{
struct retro_subsystem_info *data;
unsigned size;
} subsystem;
struct
{
struct retro_controller_info *data;
unsigned size;
} ports;
rarch_memory_map_t mmaps;
} rarch_system_info_t;
typedef struct retro_ctx_input_state_info
{
retro_input_state_t cb;
} retro_ctx_input_state_info_t;
typedef struct retro_ctx_cheat_info
{
unsigned index;
bool enabled;
const char *code;
} retro_ctx_cheat_info_t;
typedef struct retro_ctx_api_info
{
unsigned version;
} retro_ctx_api_info_t;
typedef struct retro_ctx_region_info
{
unsigned region;
} retro_ctx_region_info_t;
typedef struct retro_ctx_controller_info
{
unsigned port;
unsigned device;
} retro_ctx_controller_info_t;
typedef struct retro_ctx_memory_info
{
void *data;
size_t size;
unsigned id;
} retro_ctx_memory_info_t;
typedef struct retro_ctx_load_content_info
{
struct retro_game_info *info;
const struct string_list *content;
const struct retro_subsystem_info *special;
} retro_ctx_load_content_info_t;
typedef struct retro_ctx_serialize_info
{
const void *data_const;
void *data;
size_t size;
} retro_ctx_serialize_info_t;
typedef struct retro_ctx_size_info
{
size_t size;
} retro_ctx_size_info_t;
typedef struct retro_ctx_environ_info
{
retro_environment_t env;
} retro_ctx_environ_info_t;
typedef struct retro_ctx_frame_info
{
const void *data;
unsigned width;
unsigned height;
size_t pitch;
} retro_ctx_frame_info_t;
typedef struct retro_callbacks
{
retro_video_refresh_t frame_cb;
retro_audio_sample_t sample_cb;
retro_audio_sample_batch_t sample_batch_cb;
retro_input_state_t state_cb;
retro_input_poll_t poll_cb;
} retro_callbacks_t;
bool core_load(void);
bool core_unload(void);
bool core_set_default_callbacks(void *data);
bool core_set_rewind_callbacks(void);
bool core_set_netplay_callbacks(void);
bool core_set_poll_type(unsigned *type);
/* Runs the core for one frame. */
bool core_run(void);
bool core_init(void);
bool core_deinit(void *data);
bool core_unload_game(void);
bool core_reset(void);
void core_frame(retro_ctx_frame_info_t *info);
bool core_poll(void);
bool core_set_environment(retro_ctx_environ_info_t *info);
bool core_serialize_size(retro_ctx_size_info_t *info);
uint64_t core_serialization_quirks(void);
void core_set_serialization_quirks(uint64_t quirks);
bool core_serialize(retro_ctx_serialize_info_t *info);
bool core_unserialize(retro_ctx_serialize_info_t *info);
bool core_init_symbols(enum rarch_core_type *type);
bool core_set_cheat(retro_ctx_cheat_info_t *info);
bool core_reset_cheat(void);
bool core_api_version(retro_ctx_api_info_t *api);
/* 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.
*/
bool core_verify_api_version(void);
bool core_get_region(retro_ctx_region_info_t *info);
bool core_get_memory(retro_ctx_memory_info_t *info);
/* Initialize system A/V information. */
bool core_get_system_av_info(struct retro_system_av_info *av_info);
/* Get system A/V information. */
bool core_get_system_info(struct retro_system_info *system);
bool core_load_game(retro_ctx_load_content_info_t *load_info);
bool core_set_controller_port_device(retro_ctx_controller_info_t *pad);
bool core_has_set_input_descriptor(void);
void core_set_input_descriptors(void);
void core_unset_input_descriptors(void);
bool core_uninit_libretro_callbacks(void);
void core_uninit_symbols(void);
void core_set_input_state(retro_ctx_input_state_info_t *info);
bool core_is_symbols_inited(void);
bool core_is_inited(void);
bool core_is_game_loaded(void);
RETRO_END_DECLS
#endif