mirror of
https://github.com/RetroDECK/Duckstation.git
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94 lines
4.2 KiB
C
94 lines
4.2 KiB
C
#ifndef RC_LIBRETRO_H
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#define RC_LIBRETRO_H
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#include "rc_export.h"
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/* this file comes from the libretro repository, which is not an explicit submodule.
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* the integration must set up paths appropriately to find it. */
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#include <libretro.h>
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#include <stddef.h>
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#include <stdint.h>
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RC_BEGIN_C_DECLS
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/*****************************************************************************\
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| Disallowed Settings |
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\*****************************************************************************/
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typedef struct rc_disallowed_setting_t
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{
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const char* setting;
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const char* value;
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} rc_disallowed_setting_t;
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RC_EXPORT const rc_disallowed_setting_t* RC_CCONV rc_libretro_get_disallowed_settings(const char* library_name);
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RC_EXPORT int RC_CCONV rc_libretro_is_setting_allowed(const rc_disallowed_setting_t* disallowed_settings, const char* setting, const char* value);
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RC_EXPORT int RC_CCONV rc_libretro_is_system_allowed(const char* library_name, uint32_t console_id);
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/*****************************************************************************\
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| Memory Mapping |
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\*****************************************************************************/
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/* specifies a function to call for verbose logging */
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typedef void (RC_CCONV *rc_libretro_message_callback)(const char*);
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RC_EXPORT void RC_CCONV rc_libretro_init_verbose_message_callback(rc_libretro_message_callback callback);
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#define RC_LIBRETRO_MAX_MEMORY_REGIONS 32
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typedef struct rc_libretro_memory_regions_t
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{
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uint8_t* data[RC_LIBRETRO_MAX_MEMORY_REGIONS];
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size_t size[RC_LIBRETRO_MAX_MEMORY_REGIONS];
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size_t total_size;
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uint32_t count;
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} rc_libretro_memory_regions_t;
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typedef struct rc_libretro_core_memory_info_t
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{
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uint8_t* data;
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size_t size;
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} rc_libretro_core_memory_info_t;
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typedef void (RC_CCONV *rc_libretro_get_core_memory_info_func)(uint32_t id, rc_libretro_core_memory_info_t* info);
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RC_EXPORT int RC_CCONV rc_libretro_memory_init(rc_libretro_memory_regions_t* regions, const struct retro_memory_map* mmap,
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rc_libretro_get_core_memory_info_func get_core_memory_info, uint32_t console_id);
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RC_EXPORT void RC_CCONV rc_libretro_memory_destroy(rc_libretro_memory_regions_t* regions);
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RC_EXPORT uint8_t* RC_CCONV rc_libretro_memory_find(const rc_libretro_memory_regions_t* regions, uint32_t address);
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RC_EXPORT uint8_t* RC_CCONV rc_libretro_memory_find_avail(const rc_libretro_memory_regions_t* regions, uint32_t address, uint32_t* avail);
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RC_EXPORT uint32_t RC_CCONV rc_libretro_memory_read(const rc_libretro_memory_regions_t* regions, uint32_t address, uint8_t* buffer, uint32_t num_bytes);
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/*****************************************************************************\
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| Disk Identification |
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\*****************************************************************************/
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typedef struct rc_libretro_hash_entry_t
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{
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uint32_t path_djb2;
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uint32_t game_id;
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char hash[33];
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} rc_libretro_hash_entry_t;
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typedef struct rc_libretro_hash_set_t
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{
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struct rc_libretro_hash_entry_t* entries;
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uint16_t entries_count;
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uint16_t entries_size;
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} rc_libretro_hash_set_t;
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typedef int (RC_CCONV *rc_libretro_get_image_path_func)(uint32_t index, char* buffer, size_t buffer_size);
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RC_EXPORT void RC_CCONV rc_libretro_hash_set_init(struct rc_libretro_hash_set_t* hash_set,
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const char* m3u_path, rc_libretro_get_image_path_func get_image_path);
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RC_EXPORT void RC_CCONV rc_libretro_hash_set_destroy(struct rc_libretro_hash_set_t* hash_set);
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RC_EXPORT void RC_CCONV rc_libretro_hash_set_add(struct rc_libretro_hash_set_t* hash_set,
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const char* path, uint32_t game_id, const char hash[33]);
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RC_EXPORT const char* RC_CCONV rc_libretro_hash_set_get_hash(const struct rc_libretro_hash_set_t* hash_set, const char* path);
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RC_EXPORT int RC_CCONV rc_libretro_hash_set_get_game_id(const struct rc_libretro_hash_set_t* hash_set, const char* hash);
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RC_END_C_DECLS
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#endif /* RC_LIBRETRO_H */
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