2020-06-08 16:44:42 +00:00
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#pragma once
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#include "core/host_interface.h"
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#include "core/system.h"
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#include "libretro.h"
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class LibretroHostInterface : public HostInterface
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{
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public:
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LibretroHostInterface();
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~LibretroHostInterface() override;
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2020-06-29 16:47:27 +00:00
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static void InitLogging();
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2020-06-08 16:44:42 +00:00
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static bool SetCoreOptions();
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2020-06-29 16:47:27 +00:00
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static bool HasCoreVariablesChanged();
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2020-06-08 16:44:42 +00:00
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bool Initialize() override;
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void Shutdown() override;
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void ReportError(const char* message) override;
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void ReportMessage(const char* message) override;
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bool ConfirmMessage(const char* message) override;
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2020-06-29 16:47:27 +00:00
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void AddOSDMessage(std::string message, float duration = 2.0f) override;
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2020-06-08 16:44:42 +00:00
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2020-06-29 16:47:27 +00:00
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void GetGameInfo(const char* path, CDImage* image, std::string* code, std::string* title) override;
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std::string GetSharedMemoryCardPath(u32 slot) const override;
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std::string GetGameMemoryCardPath(const char* game_code, u32 slot) const override;
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2020-06-08 16:44:42 +00:00
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// Called by frontend
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void retro_get_system_av_info(struct retro_system_av_info* info);
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bool retro_load_game(const struct retro_game_info* game);
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void retro_run_frame();
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unsigned retro_get_region();
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2020-06-29 16:47:27 +00:00
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size_t retro_serialize_size();
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bool retro_serialize(void* data, size_t size);
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bool retro_unserialize(const void* data, size_t size);
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2020-06-08 16:44:42 +00:00
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protected:
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bool AcquireHostDisplay() override;
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void ReleaseHostDisplay() override;
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std::unique_ptr<AudioStream> CreateAudioStream(AudioBackend backend) override;
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2020-06-29 16:47:27 +00:00
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void OnSystemDestroyed() override;
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void CheckForSettingsChanges(const Settings& old_settings) override;
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2020-06-08 16:44:42 +00:00
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private:
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void LoadSettings();
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void UpdateSettings();
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void UpdateControllers();
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void UpdateControllersDigitalController(u32 index);
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2020-06-29 16:47:27 +00:00
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void GetSystemAVInfo(struct retro_system_av_info* info, bool use_resolution_scale);
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void UpdateSystemAVInfo(bool use_resolution_scale);
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void UpdateGeometry();
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void UpdateLogging();
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2020-06-08 16:44:42 +00:00
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// Hardware renderer setup.
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bool RequestHardwareRendererContext();
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2020-06-29 16:47:27 +00:00
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void SwitchToHardwareRenderer();
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void SwitchToSoftwareRenderer();
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2020-06-08 16:44:42 +00:00
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static void HardwareRendererContextReset();
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static void HardwareRendererContextDestroy();
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retro_hw_render_callback m_hw_render_callback = {};
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2020-06-29 16:47:27 +00:00
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bool m_hw_render_callback_valid = false;
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bool m_using_hardware_renderer = false;
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2020-06-08 16:44:42 +00:00
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};
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extern LibretroHostInterface g_libretro_host_interface;
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// libretro callbacks
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extern retro_environment_t g_retro_environment_callback;
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extern retro_video_refresh_t g_retro_video_refresh_callback;
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extern retro_audio_sample_t g_retro_audio_sample_callback;
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extern retro_audio_sample_batch_t g_retro_audio_sample_batch_callback;
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extern retro_input_poll_t g_retro_input_poll_callback;
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extern retro_input_state_t g_retro_input_state_callback;
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