diff --git a/src/core/core.h b/src/core/core.h index 0cc1108b80..ecacb0db09 100644 --- a/src/core/core.h +++ b/src/core/core.h @@ -14,6 +14,7 @@ #include "common/common_types.h" #include "core/file_sys/vfs/vfs_types.h" +#include "libretro.h" namespace Core::Frontend { class EmuWindow; @@ -140,6 +141,25 @@ enum class SystemResultStatus : u32 { ErrorLoader, ///< The base for loader errors (too many to repeat) }; +class LibretroWrapper { +public: + LibretroWrapper(); + ~LibretroWrapper(); + + bool LoadCore(const std::string& core_path); + bool LoadGame(const std::string& game_path); + void Run(); + void Reset(); + void Unload(); + + // Implement other libretro API functions as needed + +private: + void* core_handle; + retro_game_info game_info; + // Add other necessary libretro-related members +}; + class System { public: using CurrentBuildProcessID = std::array; @@ -456,9 +476,17 @@ public: /// Applies any changes to settings to this core instance. void ApplySettings(); + // New methods for libretro support + bool LoadLibretroCore(const std::string& core_path); + bool LoadLibretroGame(const std::string& game_path); + void RunLibretroCore(); + void ResetLibretroCore(); + void UnloadLibretroCore(); + private: struct Impl; std::unique_ptr impl; + std::unique_ptr libretro_wrapper; }; } // namespace Core diff --git a/src/core/libretro_wrapper.cpp b/src/core/libretro_wrapper.cpp new file mode 100644 index 0000000000..8d5df1bd16 --- /dev/null +++ b/src/core/libretro_wrapper.cpp @@ -0,0 +1,89 @@ +#include "core/libretro_wrapper.h" +#include +#include +#include + +namespace Core { + +LibretroWrapper::LibretroWrapper() : core_handle(nullptr) {} + +LibretroWrapper::~LibretroWrapper() { + Unload(); +} + +bool LibretroWrapper::LoadCore(const std::string& core_path) { + core_handle = dlopen(core_path.c_str(), RTLD_LAZY); + if (!core_handle) { + return false; + } + + // Load libretro core functions + retro_init = reinterpret_cast(dlsym(core_handle, "retro_init")); + retro_deinit = reinterpret_cast(dlsym(core_handle, "retro_deinit")); + retro_api_version = reinterpret_cast(dlsym(core_handle, "retro_api_version")); + retro_get_system_info = reinterpret_cast(dlsym(core_handle, "retro_get_system_info")); + retro_get_system_av_info = reinterpret_cast(dlsym(core_handle, "retro_get_system_av_info")); + retro_set_environment = reinterpret_cast(dlsym(core_handle, "retro_set_environment")); + retro_set_video_refresh = reinterpret_cast(dlsym(core_handle, "retro_set_video_refresh")); + retro_set_audio_sample = reinterpret_cast(dlsym(core_handle, "retro_set_audio_sample")); + retro_set_audio_sample_batch = reinterpret_cast(dlsym(core_handle, "retro_set_audio_sample_batch")); + retro_set_input_poll = reinterpret_cast(dlsym(core_handle, "retro_set_input_poll")); + retro_set_input_state = reinterpret_cast(dlsym(core_handle, "retro_set_input_state")); + retro_set_controller_port_device = reinterpret_cast(dlsym(core_handle, "retro_set_controller_port_device")); + retro_reset = reinterpret_cast(dlsym(core_handle, "retro_reset")); + retro_run = reinterpret_cast(dlsym(core_handle, "retro_run")); + retro_serialize_size = reinterpret_cast(dlsym(core_handle, "retro_serialize_size")); + retro_serialize = reinterpret_cast(dlsym(core_handle, "retro_serialize")); + retro_unserialize = reinterpret_cast(dlsym(core_handle, "retro_unserialize")); + retro_load_game = reinterpret_cast(dlsym(core_handle, "retro_load_game")); + retro_unload_game = reinterpret_cast(dlsym(core_handle, "retro_unload_game")); + + if (!retro_init || !retro_deinit || !retro_api_version || !retro_get_system_info || + !retro_get_system_av_info || !retro_set_environment || !retro_set_video_refresh || + !retro_set_audio_sample || !retro_set_audio_sample_batch || !retro_set_input_poll || + !retro_set_input_state || !retro_set_controller_port_device || !retro_reset || + !retro_run || !retro_serialize_size || !retro_serialize || !retro_unserialize || + !retro_load_game || !retro_unload_game) { + Unload(); + return false; + } + + retro_init(); + return true; +} + +bool LibretroWrapper::LoadGame(const std::string& game_path) { + if (!core_handle) { + return false; + } + + game_info.path = game_path.c_str(); + game_info.data = nullptr; + game_info.size = 0; + game_info.meta = nullptr; + + return retro_load_game(&game_info); +} + +void LibretroWrapper::Run() { + if (core_handle) { + retro_run(); + } +} + +void LibretroWrapper::Reset() { + if (core_handle) { + retro_reset(); + } +} + +void LibretroWrapper::Unload() { + if (core_handle) { + retro_unload_game(); + retro_deinit(); + dlclose(core_handle); + core_handle = nullptr; + } +} + +} // namespace Core \ No newline at end of file