/** * Driver ownership - set this to true if the platform in question needs to 'own' * the respective handle and therefore skip regular RetroArch * driver teardown/reiniting procedure. * * If to true, the 'free' function will get skipped. It is * then up to the driver implementation to properly handle * 'reiniting' inside the 'init' function and make sure it * returns the existing handle instead of allocating and * returning a pointer to a new handle. * * Typically, if a driver intends to make use of this, it should * set this to true at the end of its 'init' function. **/ static void uninit_drivers(int flags) { #ifdef HAVE_MENU if (flags & DRIVER_MENU) menu_driver_ctl(RARCH_MENU_CTL_DEINIT, NULL); #endif if ((flags & DRIVER_LOCATION) && !location_driver_ctl(RARCH_LOCATION_CTL_OWNS_DRIVER, NULL)) location_driver_ctl(RARCH_LOCATION_CTL_DEINIT, NULL); if ((flags & DRIVER_CAMERA) && !camera_driver_ctl(RARCH_CAMERA_CTL_OWNS_DRIVER, NULL)) camera_driver_ctl(RARCH_CAMERA_CTL_DEINIT, NULL); if (flags & DRIVER_AUDIO) audio_driver_deinit(); if (flags & DRIVERS_VIDEO_INPUT) video_driver_deinit(); if ((flags & DRIVER_VIDEO) && !video_driver_owns_driver()) video_driver_destroy_data(); if ((flags & DRIVER_INPUT) && !input_driver_owns_driver()) input_driver_destroy_data(); if ((flags & DRIVER_AUDIO) && !audio_driver_owns_driver()) audio_driver_destroy_data(); }
/** * Driver ownership - set this to true if the platform in question needs to 'own' * the respective handle and therefore skip regular RetroArch * driver teardown/reiniting procedure. * * If to true, the 'free' function will get skipped. It is * then up to the driver implementation to properly handle * 'reiniting' inside the 'init' function and make sure it * returns the existing handle instead of allocating and * returning a pointer to a new handle. * * Typically, if a driver intends to make use of this, it should * set this to true at the end of its 'init' function. **/ void driver_uninit(int flags) { core_info_deinit_list(); core_info_free_current_core(); #ifdef HAVE_MENU if (flags & DRIVER_MENU_MASK) menu_driver_ctl(RARCH_MENU_CTL_DEINIT, NULL); #endif if ((flags & DRIVER_LOCATION_MASK) && !location_driver_ctl(RARCH_LOCATION_CTL_OWNS_DRIVER, NULL)) location_driver_ctl(RARCH_LOCATION_CTL_DEINIT, NULL); if ((flags & DRIVER_CAMERA_MASK) && !camera_driver_ctl(RARCH_CAMERA_CTL_OWNS_DRIVER, NULL)) camera_driver_ctl(RARCH_CAMERA_CTL_DEINIT, NULL); if ((flags & DRIVER_WIFI_MASK) && !wifi_driver_ctl(RARCH_WIFI_CTL_OWNS_DRIVER, NULL)) wifi_driver_ctl(RARCH_WIFI_CTL_DEINIT, NULL); if (flags & DRIVER_LED) led_driver_free(); if (flags & DRIVERS_VIDEO_INPUT) video_driver_free(); if (flags & DRIVER_AUDIO_MASK) audio_driver_deinit(); if ((flags & DRIVER_VIDEO_MASK) && !video_driver_owns_driver()) video_driver_destroy_data(); if ((flags & DRIVER_INPUT_MASK) && !input_driver_owns_driver()) input_driver_destroy_data(); if ((flags & DRIVER_AUDIO_MASK) && !audio_driver_owns_driver()) audio_driver_destroy_data(); if (flags & DRIVER_MIDI_MASK) midi_driver_free(); }
/** * uninit_libretro_sym: * * Frees libretro core. * * Frees all core options, * associated state, and * unbind all libretro callback symbols. **/ void uninit_libretro_sym(struct retro_core_t *current_core) { #ifdef HAVE_DYNAMIC if (lib_handle) dylib_close(lib_handle); lib_handle = NULL; #endif memset(current_core, 0, sizeof(struct retro_core_t)); runloop_ctl(RUNLOOP_CTL_CORE_OPTIONS_DEINIT, NULL); runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_FREE, NULL); runloop_ctl(RUNLOOP_CTL_FRAME_TIME_FREE, NULL); camera_driver_ctl(RARCH_CAMERA_CTL_UNSET_ACTIVE, NULL); location_driver_ctl(RARCH_LOCATION_CTL_UNSET_ACTIVE, NULL); /* Performance counters no longer valid. */ performance_counters_clear(); }
/** * uninit_libretro_sym: * * Frees libretro core. * * Frees all core options, * associated state, and * unbind all libretro callback symbols. **/ void uninit_libretro_sym(void) { #ifdef HAVE_DYNAMIC if (lib_handle) dylib_close(lib_handle); lib_handle = NULL; #endif core.retro_init = NULL; core.retro_deinit = NULL; core.retro_api_version = NULL; core.retro_get_system_info = NULL; core.retro_get_system_av_info = NULL; core.retro_set_environment = NULL; core.retro_set_video_refresh = NULL; core.retro_set_audio_sample = NULL; core.retro_set_audio_sample_batch = NULL; core.retro_set_input_poll = NULL; core.retro_set_input_state = NULL; core.retro_set_controller_port_device = NULL; core.retro_reset = NULL; core.retro_run = NULL; core.retro_serialize_size = NULL; core.retro_serialize = NULL; core.retro_unserialize = NULL; core.retro_cheat_reset = NULL; core.retro_cheat_set = NULL; core.retro_load_game = NULL; core.retro_load_game_special = NULL; core.retro_unload_game = NULL; core.retro_get_region = NULL; core.retro_get_memory_data = NULL; core.retro_get_memory_size = NULL; runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_FREE, NULL); camera_driver_ctl(RARCH_CAMERA_CTL_UNSET_ACTIVE, NULL); location_driver_ctl(RARCH_LOCATION_CTL_UNSET_ACTIVE, NULL); /* Performance counters no longer valid. */ retro_perf_clear(); }
void init_location(void) { rarch_system_info_t *system = NULL; runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system); /* Resource leaks will follow if location interface is initialized twice. */ if (location_data) return; find_location_driver(); location_data = location_driver->init(); if (!location_data) { RARCH_ERR("Failed to initialize location driver. Will continue without location.\n"); location_driver_ctl(RARCH_LOCATION_CTL_UNSET_ACTIVE, NULL); } if (system->location_callback.initialized) system->location_callback.initialized(); }
bool driver_ctl(enum driver_ctl_state state, void *data) { switch (state) { case RARCH_DRIVER_CTL_DEINIT: video_driver_destroy(); audio_driver_destroy(); input_driver_destroy(); #ifdef HAVE_MENU menu_driver_destroy(); #endif location_driver_ctl(RARCH_LOCATION_CTL_DESTROY, NULL); camera_driver_ctl(RARCH_CAMERA_CTL_DESTROY, NULL); wifi_driver_ctl(RARCH_WIFI_CTL_DESTROY, NULL); core_uninit_libretro_callbacks(); break; case RARCH_DRIVER_CTL_INIT_PRE: audio_driver_find_driver(); video_driver_find_driver(); input_driver_find_driver(); camera_driver_ctl(RARCH_CAMERA_CTL_FIND_DRIVER, NULL); wifi_driver_ctl(RARCH_WIFI_CTL_FIND_DRIVER, NULL); find_location_driver(); #ifdef HAVE_MENU menu_driver_ctl(RARCH_MENU_CTL_FIND_DRIVER, NULL); #endif break; case RARCH_DRIVER_CTL_SET_REFRESH_RATE: { float *hz = (float*)data; video_monitor_set_refresh_rate(*hz); audio_driver_monitor_set_rate(); driver_adjust_system_rates(); } break; case RARCH_DRIVER_CTL_UPDATE_SYSTEM_AV_INFO: { const struct retro_system_av_info **info = (const struct retro_system_av_info**)data; if (info) return driver_update_system_av_info(*info); } return false; case RARCH_DRIVER_CTL_FIND_FIRST: { driver_ctx_info_t *drv = (driver_ctx_info_t*)data; if (!drv) return false; return driver_find_first(drv->label, drv->s, drv->len); } case RARCH_DRIVER_CTL_FIND_LAST: { driver_ctx_info_t *drv = (driver_ctx_info_t*)data; if (!drv) return false; return driver_find_last(drv->label, drv->s, drv->len); } case RARCH_DRIVER_CTL_FIND_PREV: { driver_ctx_info_t *drv = (driver_ctx_info_t*)data; if (!drv) return false; return driver_find_prev(drv->label, drv->s, drv->len); } case RARCH_DRIVER_CTL_FIND_NEXT: { driver_ctx_info_t *drv = (driver_ctx_info_t*)data; if (!drv) return false; return driver_find_next(drv->label, drv->s, drv->len); } case RARCH_DRIVER_CTL_FIND_INDEX: { driver_ctx_info_t *drv = (driver_ctx_info_t*)data; if (!drv) return false; drv->len = driver_find_index(drv->label, drv->s); } break; case RARCH_DRIVER_CTL_NONE: default: break; } return true; }
/** * drivers_init: * @flags : Bitmask of drivers to initialize. * * Initializes drivers. * @flags determines which drivers get initialized. **/ void drivers_init(int flags) { bool video_is_threaded = false; if (flags & DRIVER_VIDEO_MASK) video_driver_unset_own_driver(); if (flags & DRIVER_AUDIO_MASK) audio_driver_unset_own_driver(); if (flags & DRIVER_INPUT_MASK) input_driver_unset_own_driver(); if (flags & DRIVER_CAMERA_MASK) camera_driver_ctl(RARCH_CAMERA_CTL_UNSET_OWN_DRIVER, NULL); if (flags & DRIVER_LOCATION_MASK) location_driver_ctl(RARCH_LOCATION_CTL_UNSET_OWN_DRIVER, NULL); if (flags & DRIVER_WIFI_MASK) wifi_driver_ctl(RARCH_WIFI_CTL_UNSET_OWN_DRIVER, NULL); #ifdef HAVE_MENU /* By default, we want the menu to persist through driver reinits. */ menu_driver_ctl(RARCH_MENU_CTL_SET_OWN_DRIVER, NULL); #endif if (flags & (DRIVER_VIDEO_MASK | DRIVER_AUDIO_MASK)) driver_adjust_system_rates(); if (flags & DRIVER_VIDEO_MASK) { struct retro_hw_render_callback *hwr = video_driver_get_hw_context(); video_driver_monitor_reset(); video_driver_init(&video_is_threaded); if (!video_driver_is_video_cache_context_ack() && hwr->context_reset) hwr->context_reset(); video_driver_unset_video_cache_context_ack(); rarch_ctl(RARCH_CTL_SET_FRAME_TIME_LAST, NULL); } if (flags & DRIVER_AUDIO_MASK) { audio_driver_init(); audio_driver_new_devices_list(); } /* Only initialize camera driver if we're ever going to use it. */ if ((flags & DRIVER_CAMERA_MASK) && camera_driver_ctl(RARCH_CAMERA_CTL_IS_ACTIVE, NULL)) camera_driver_ctl(RARCH_CAMERA_CTL_INIT, NULL); /* Only initialize location driver if we're ever going to use it. */ if ((flags & DRIVER_LOCATION_MASK) && location_driver_ctl(RARCH_LOCATION_CTL_IS_ACTIVE, NULL)) init_location(); core_info_init_current_core(); #ifdef HAVE_MENU if (flags & DRIVER_VIDEO_MASK) { if (flags & DRIVER_MENU_MASK) menu_driver_init(video_is_threaded); } #endif if (flags & (DRIVER_VIDEO_MASK | DRIVER_AUDIO_MASK)) { /* Keep non-throttled state as good as possible. */ if (input_driver_is_nonblock_state()) driver_set_nonblock_state(); } if (flags & DRIVER_LED_MASK) { led_driver_init(); } if (flags & DRIVER_MIDI_MASK) midi_driver_init(); }
/** * rarch_environment_cb: * @cmd : Identifier of command. * @data : Pointer to data. * * Environment callback function implementation. * * Returns: true (1) if environment callback command could * be performed, otherwise false (0). **/ bool rarch_environment_cb(unsigned cmd, void *data) { unsigned p; settings_t *settings = config_get_ptr(); global_t *global = global_get_ptr(); rarch_system_info_t *system = NULL; runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system); if (ignore_environment_cb) return false; switch (cmd) { case RETRO_ENVIRONMENT_GET_OVERSCAN: *(bool*)data = !settings->video.crop_overscan; RARCH_LOG("Environ GET_OVERSCAN: %u\n", (unsigned)!settings->video.crop_overscan); break; case RETRO_ENVIRONMENT_GET_CAN_DUPE: *(bool*)data = true; RARCH_LOG("Environ GET_CAN_DUPE: true\n"); break; case RETRO_ENVIRONMENT_GET_VARIABLE: if (!runloop_ctl(RUNLOOP_CTL_CORE_OPTIONS_GET, data)) { struct retro_variable *var = (struct retro_variable*)data; if (var) { RARCH_LOG("Environ GET_VARIABLE %s: not implemented.\n", var->key); var->value = NULL; } } break; case RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE: *(bool*)data = runloop_ctl(RUNLOOP_CTL_IS_CORE_OPTION_UPDATED, NULL); break; case RETRO_ENVIRONMENT_SET_VARIABLES: RARCH_LOG("Environ SET_VARIABLES.\n"); runloop_ctl(RUNLOOP_CTL_CORE_OPTIONS_DEINIT, NULL); runloop_ctl(RUNLOOP_CTL_CORE_OPTIONS_INIT, data); break; case RETRO_ENVIRONMENT_SET_MESSAGE: { const struct retro_message *msg = (const struct retro_message*)data; RARCH_LOG("Environ SET_MESSAGE: %s\n", msg->msg); runloop_msg_queue_push(msg->msg, 1, msg->frames, true); break; } case RETRO_ENVIRONMENT_SET_ROTATION: { unsigned rotation = *(const unsigned*)data; RARCH_LOG("Environ SET_ROTATION: %u\n", rotation); if (!settings->video.allow_rotate) break; system->rotation = rotation; if (!video_driver_set_rotation(rotation)) return false; break; } case RETRO_ENVIRONMENT_SHUTDOWN: RARCH_LOG("Environ SHUTDOWN.\n"); runloop_ctl(RUNLOOP_CTL_SET_SHUTDOWN, NULL); runloop_ctl(RUNLOOP_CTL_SET_CORE_SHUTDOWN, NULL); break; case RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL: system->performance_level = *(const unsigned*)data; RARCH_LOG("Environ PERFORMANCE_LEVEL: %u.\n", system->performance_level); break; case RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY: if (string_is_empty(settings->system_directory)) { char *fullpath = NULL; runloop_ctl(RUNLOOP_CTL_GET_CONTENT_PATH, &fullpath); RARCH_WARN("SYSTEM DIR is empty, assume CONTENT DIR %s\n", fullpath); fill_pathname_basedir(global->dir.systemdir, fullpath, sizeof(global->dir.systemdir)); *(const char**)data = global->dir.systemdir; RARCH_LOG("Environ SYSTEM_DIRECTORY: \"%s\".\n", global->dir.systemdir); } else { *(const char**)data = settings->system_directory; RARCH_LOG("Environ SYSTEM_DIRECTORY: \"%s\".\n", settings->system_directory); } break; case RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY: *(const char**)data = rarch_get_current_savefile_dir(); break; case RETRO_ENVIRONMENT_GET_USERNAME: *(const char**)data = *settings->username ? settings->username : NULL; RARCH_LOG("Environ GET_USERNAME: \"%s\".\n", settings->username); break; case RETRO_ENVIRONMENT_GET_LANGUAGE: *(unsigned *)data = settings->user_language; RARCH_LOG("Environ GET_LANGUAGE: \"%u\".\n", settings->user_language); break; case RETRO_ENVIRONMENT_SET_PIXEL_FORMAT: { enum retro_pixel_format pix_fmt = *(const enum retro_pixel_format*)data; switch (pix_fmt) { case RETRO_PIXEL_FORMAT_0RGB1555: RARCH_LOG("Environ SET_PIXEL_FORMAT: 0RGB1555.\n"); break; case RETRO_PIXEL_FORMAT_RGB565: RARCH_LOG("Environ SET_PIXEL_FORMAT: RGB565.\n"); break; case RETRO_PIXEL_FORMAT_XRGB8888: RARCH_LOG("Environ SET_PIXEL_FORMAT: XRGB8888.\n"); break; default: return false; } video_driver_set_pixel_format(pix_fmt); break; } case RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS: { unsigned retro_id, retro_port; const struct retro_input_descriptor *desc = NULL; static const char *libretro_btn_desc[] = { "B (bottom)", "Y (left)", "Select", "Start", "D-Pad Up", "D-Pad Down", "D-Pad Left", "D-Pad Right", "A (right)", "X (up)", "L", "R", "L2", "R2", "L3", "R3", }; memset(system->input_desc_btn, 0, sizeof(system->input_desc_btn)); desc = (const struct retro_input_descriptor*)data; for (; desc->description; desc++) { retro_port = desc->port; retro_id = desc->id; if (desc->port >= MAX_USERS) continue; /* Ignore all others for now. */ if (desc->device != RETRO_DEVICE_JOYPAD && desc->device != RETRO_DEVICE_ANALOG) continue; if (desc->id >= RARCH_FIRST_CUSTOM_BIND) continue; if (desc->device == RETRO_DEVICE_ANALOG) { switch (retro_id) { case RETRO_DEVICE_ID_ANALOG_X: switch (desc->index) { case RETRO_DEVICE_INDEX_ANALOG_LEFT: system->input_desc_btn[retro_port][RARCH_ANALOG_LEFT_X_PLUS] = desc->description; system->input_desc_btn[retro_port][RARCH_ANALOG_LEFT_X_MINUS] = desc->description; break; case RETRO_DEVICE_INDEX_ANALOG_RIGHT: system->input_desc_btn[retro_port][RARCH_ANALOG_RIGHT_X_PLUS] = desc->description; system->input_desc_btn[retro_port][RARCH_ANALOG_RIGHT_X_MINUS] = desc->description; break; } break; case RETRO_DEVICE_ID_ANALOG_Y: switch (desc->index) { case RETRO_DEVICE_INDEX_ANALOG_LEFT: system->input_desc_btn[retro_port][RARCH_ANALOG_LEFT_Y_PLUS] = desc->description; system->input_desc_btn[retro_port][RARCH_ANALOG_LEFT_Y_MINUS] = desc->description; break; case RETRO_DEVICE_INDEX_ANALOG_RIGHT: system->input_desc_btn[retro_port][RARCH_ANALOG_RIGHT_Y_PLUS] = desc->description; system->input_desc_btn[retro_port][RARCH_ANALOG_RIGHT_Y_MINUS] = desc->description; break; } break; } } else system->input_desc_btn[retro_port][retro_id] = desc->description; } RARCH_LOG("Environ SET_INPUT_DESCRIPTORS:\n"); for (p = 0; p < settings->input.max_users; p++) { for (retro_id = 0; retro_id < RARCH_FIRST_CUSTOM_BIND; retro_id++) { const char *description = system->input_desc_btn[p][retro_id]; if (!description) continue; RARCH_LOG("\tRetroPad, User %u, Button \"%s\" => \"%s\"\n", p + 1, libretro_btn_desc[retro_id], description); } } global->has_set.input_descriptors = true; break; } case RETRO_ENVIRONMENT_SET_KEYBOARD_CALLBACK: { retro_keyboard_event_t *frontend_key_event = NULL; retro_keyboard_event_t *key_event = NULL; const struct retro_keyboard_callback *info = (const struct retro_keyboard_callback*)data; runloop_ctl(RUNLOOP_CTL_FRONTEND_KEY_EVENT_GET, &frontend_key_event); runloop_ctl(RUNLOOP_CTL_KEY_EVENT_GET, &key_event); RARCH_LOG("Environ SET_KEYBOARD_CALLBACK.\n"); if (key_event) *key_event = info->callback; if (frontend_key_event) *frontend_key_event = *key_event; break; } case RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE: RARCH_LOG("Environ SET_DISK_CONTROL_INTERFACE.\n"); system->disk_control = *(const struct retro_disk_control_callback*)data; break; case RETRO_ENVIRONMENT_SET_HW_RENDER: case RETRO_ENVIRONMENT_SET_HW_RENDER | RETRO_ENVIRONMENT_EXPERIMENTAL: { struct retro_hw_render_callback *hw_render = video_driver_callback(); struct retro_hw_render_callback *cb = (struct retro_hw_render_callback*)data; RARCH_LOG("Environ SET_HW_RENDER.\n"); switch (cb->context_type) { case RETRO_HW_CONTEXT_NONE: RARCH_LOG("Requesting no HW context.\n"); break; #if defined(HAVE_OPENGLES2) case RETRO_HW_CONTEXT_OPENGLES2: #if defined(HAVE_OPENGLES3) case RETRO_HW_CONTEXT_OPENGLES3: #endif RARCH_LOG("Requesting OpenGLES%u context.\n", cb->context_type == RETRO_HW_CONTEXT_OPENGLES2 ? 2 : 3); break; #if defined(HAVE_OPENGLES3) case RETRO_HW_CONTEXT_OPENGLES_VERSION: RARCH_LOG("Requesting OpenGLES%u.%u context.\n", cb->version_major, cb->version_minor); break; #endif case RETRO_HW_CONTEXT_OPENGL: case RETRO_HW_CONTEXT_OPENGL_CORE: RARCH_ERR("Requesting OpenGL context, but RetroArch is compiled against OpenGLES2. Cannot use HW context.\n"); return false; #elif defined(HAVE_OPENGL) case RETRO_HW_CONTEXT_OPENGLES2: case RETRO_HW_CONTEXT_OPENGLES3: RARCH_ERR("Requesting OpenGLES%u context, but RetroArch is compiled against OpenGL. Cannot use HW context.\n", cb->context_type == RETRO_HW_CONTEXT_OPENGLES2 ? 2 : 3); return false; case RETRO_HW_CONTEXT_OPENGLES_VERSION: RARCH_ERR("Requesting OpenGLES%u.%u context, but RetroArch is compiled against OpenGL. Cannot use HW context.\n", cb->version_major, cb->version_minor); return false; case RETRO_HW_CONTEXT_OPENGL: RARCH_LOG("Requesting OpenGL context.\n"); break; case RETRO_HW_CONTEXT_OPENGL_CORE: RARCH_LOG("Requesting core OpenGL context (%u.%u).\n", cb->version_major, cb->version_minor); break; #endif default: RARCH_LOG("Requesting unknown context.\n"); return false; } cb->get_current_framebuffer = video_driver_get_current_framebuffer; cb->get_proc_address = video_driver_get_proc_address; if (cmd & RETRO_ENVIRONMENT_EXPERIMENTAL) /* Old ABI. Don't copy garbage. */ memcpy(hw_render, cb, offsetof(struct retro_hw_render_callback, stencil)); else memcpy(hw_render, cb, sizeof(*cb)); break; } case RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME: { bool state = *(const bool*)data; RARCH_LOG("Environ SET_SUPPORT_NO_GAME: %s.\n", state ? "yes" : "no"); system->no_content = state; break; } case RETRO_ENVIRONMENT_GET_LIBRETRO_PATH: { const char **path = (const char**)data; *path = NULL; #ifdef HAVE_DYNAMIC *path = settings->libretro; #endif break; } /* FIXME - PS3 audio driver needs to be fixed so that threaded * audio works correctly (audio is already on a thread for PS3 * audio driver so that's probably the problem) */ #if defined(HAVE_THREADS) && !defined(__CELLOS_LV2__) case RETRO_ENVIRONMENT_SET_AUDIO_CALLBACK: { const struct retro_audio_callback *info = (const struct retro_audio_callback*)data; RARCH_LOG("Environ SET_AUDIO_CALLBACK.\n"); if (recording_driver_get_data_ptr()) /* A/V sync is a must. */ return false; #ifdef HAVE_NETPLAY if (global->netplay.enable) return false; #endif audio_driver_set_callback(info); break; } #endif case RETRO_ENVIRONMENT_SET_FRAME_TIME_CALLBACK: { const struct retro_frame_time_callback *info = (const struct retro_frame_time_callback*)data; RARCH_LOG("Environ SET_FRAME_TIME_CALLBACK.\n"); #ifdef HAVE_NETPLAY /* retro_run() will be called in very strange and * mysterious ways, have to disable it. */ if (global->netplay.enable) return false; #endif system->frame_time = *info; break; } case RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE: { struct retro_rumble_interface *iface = (struct retro_rumble_interface*)data; RARCH_LOG("Environ GET_RUMBLE_INTERFACE.\n"); iface->set_rumble_state = input_driver_set_rumble_state; break; } case RETRO_ENVIRONMENT_GET_INPUT_DEVICE_CAPABILITIES: { uint64_t *mask = (uint64_t*)data; RARCH_LOG("Environ GET_INPUT_DEVICE_CAPABILITIES.\n"); if (input_driver_ctl(RARCH_INPUT_CTL_HAS_CAPABILITIES, NULL)) *mask = input_driver_get_capabilities(); else return false; break; } case RETRO_ENVIRONMENT_GET_SENSOR_INTERFACE: { struct retro_sensor_interface *iface = (struct retro_sensor_interface*)data; RARCH_LOG("Environ GET_SENSOR_INTERFACE.\n"); iface->set_sensor_state = input_sensor_set_state; iface->get_sensor_input = input_sensor_get_input; break; } case RETRO_ENVIRONMENT_GET_CAMERA_INTERFACE: { struct retro_camera_callback *cb = (struct retro_camera_callback*)data; RARCH_LOG("Environ GET_CAMERA_INTERFACE.\n"); cb->start = driver_camera_start; cb->stop = driver_camera_stop; system->camera_callback = *cb; if (cb->caps != 0) camera_driver_ctl(RARCH_CAMERA_CTL_SET_ACTIVE, NULL); else camera_driver_ctl(RARCH_CAMERA_CTL_UNSET_ACTIVE, NULL); break; } case RETRO_ENVIRONMENT_GET_LOCATION_INTERFACE: { struct retro_location_callback *cb = (struct retro_location_callback*)data; RARCH_LOG("Environ GET_LOCATION_INTERFACE.\n"); cb->start = driver_location_start; cb->stop = driver_location_stop; cb->get_position = driver_location_get_position; cb->set_interval = driver_location_set_interval; system->location_callback = *cb; location_driver_ctl(RARCH_LOCATION_CTL_UNSET_ACTIVE, NULL); break; } case RETRO_ENVIRONMENT_GET_LOG_INTERFACE: { struct retro_log_callback *cb = (struct retro_log_callback*)data; RARCH_LOG("Environ GET_LOG_INTERFACE.\n"); cb->log = rarch_log_libretro; break; } case RETRO_ENVIRONMENT_GET_PERF_INTERFACE: { struct retro_perf_callback *cb = (struct retro_perf_callback*)data; RARCH_LOG("Environ GET_PERF_INTERFACE.\n"); cb->get_time_usec = retro_get_time_usec; cb->get_cpu_features = retro_get_cpu_features; cb->get_perf_counter = retro_get_perf_counter; cb->perf_register = retro_perf_register; /* libretro specific path. */ cb->perf_start = retro_perf_start; cb->perf_stop = retro_perf_stop; cb->perf_log = retro_perf_log; /* libretro specific path. */ break; } case RETRO_ENVIRONMENT_GET_CORE_ASSETS_DIRECTORY: { const char **dir = (const char**)data; *dir = *settings->core_assets_directory ? settings->core_assets_directory : NULL; RARCH_LOG("Environ CORE_ASSETS_DIRECTORY: \"%s\".\n", settings->core_assets_directory); break; } case RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO: { RARCH_LOG("Environ SET_SYSTEM_AV_INFO.\n"); return driver_ctl(RARCH_DRIVER_CTL_UPDATE_SYSTEM_AV_INFO, (void**)&data); } case RETRO_ENVIRONMENT_SET_SUBSYSTEM_INFO: { unsigned i, j; const struct retro_subsystem_info *info = (const struct retro_subsystem_info*)data; RARCH_LOG("Environ SET_SUBSYSTEM_INFO.\n"); for (i = 0; info[i].ident; i++) { RARCH_LOG("Special game type: %s\n", info[i].desc); RARCH_LOG(" Ident: %s\n", info[i].ident); RARCH_LOG(" ID: %u\n", info[i].id); RARCH_LOG(" Content:\n"); for (j = 0; j < info[i].num_roms; j++) { RARCH_LOG(" %s (%s)\n", info[i].roms[j].desc, info[i].roms[j].required ? "required" : "optional"); } } free(system->special); system->special = (struct retro_subsystem_info*) calloc(i, sizeof(*system->special)); if (!system->special) return false; memcpy(system->special, info, i * sizeof(*system->special)); system->num_special = i; break; } case RETRO_ENVIRONMENT_SET_CONTROLLER_INFO: { unsigned i, j; const struct retro_controller_info *info = (const struct retro_controller_info*)data; RARCH_LOG("Environ SET_CONTROLLER_INFO.\n"); for (i = 0; info[i].types; i++) { RARCH_LOG("Controller port: %u\n", i + 1); for (j = 0; j < info[i].num_types; j++) RARCH_LOG(" %s (ID: %u)\n", info[i].types[j].desc, info[i].types[j].id); } free(system->ports); system->ports = (struct retro_controller_info*) calloc(i, sizeof(*system->ports)); if (!system->ports) return false; memcpy(system->ports, info, i * sizeof(*system->ports)); system->num_ports = i; break; } case RETRO_ENVIRONMENT_SET_GEOMETRY: { struct retro_system_av_info *av_info = video_viewport_get_system_av_info(); const struct retro_game_geometry *in_geom = (const struct retro_game_geometry*)data; struct retro_game_geometry *geom = av_info ? (struct retro_game_geometry*)&av_info->geometry : NULL; if (!geom) return false; RARCH_LOG("Environ SET_GEOMETRY.\n"); /* Can potentially be called every frame, * don't do anything unless required. */ if (geom->base_width != in_geom->base_width || geom->base_height != in_geom->base_height || geom->aspect_ratio != in_geom->aspect_ratio) { geom->base_width = in_geom->base_width; geom->base_height = in_geom->base_height; geom->aspect_ratio = in_geom->aspect_ratio; RARCH_LOG("SET_GEOMETRY: %ux%u, aspect: %.3f.\n", geom->base_width, geom->base_height, geom->aspect_ratio); /* Forces recomputation of aspect ratios if * using core-dependent aspect ratios. */ event_cmd_ctl(EVENT_CMD_VIDEO_SET_ASPECT_RATIO, NULL); /* TODO: Figure out what to do, if anything, with recording. */ } break; } case RETRO_ENVIRONMENT_GET_CURRENT_SOFTWARE_FRAMEBUFFER: return video_driver_get_current_software_framebuffer((struct retro_framebuffer*)data); /* Private extensions for internal use, not part of libretro API. */ case RETRO_ENVIRONMENT_EXEC: { RARCH_LOG("Environ (Private) EXEC.\n"); char *fullpath = NULL; runloop_ctl(RUNLOOP_CTL_GET_CONTENT_PATH, &fullpath); if (fullpath != data) { runloop_ctl(RUNLOOP_CTL_CLEAR_CONTENT_PATH, NULL); if (data) runloop_ctl(RUNLOOP_CTL_SET_CONTENT_PATH, data); } #if defined(RARCH_CONSOLE) frontend_driver_set_fork(true, true, false); #elif defined(HAVE_DYNAMIC) rarch_ctl(RARCH_CTL_LOAD_CONTENT, NULL); #endif } break; default: RARCH_LOG("Environ UNSUPPORTED (#%u).\n", cmd); return false; } return true; }
/** * init_drivers: * @flags : Bitmask of drivers to initialize. * * Initializes drivers. * @flags determines which drivers get initialized. **/ static void init_drivers(int flags) { if (flags & DRIVER_VIDEO) video_driver_unset_own_driver(); if (flags & DRIVER_AUDIO) audio_driver_unset_own_driver(); if (flags & DRIVER_INPUT) input_driver_unset_own_driver(); if (flags & DRIVER_CAMERA) camera_driver_ctl(RARCH_CAMERA_CTL_UNSET_OWN_DRIVER, NULL); if (flags & DRIVER_LOCATION) location_driver_ctl(RARCH_LOCATION_CTL_UNSET_OWN_DRIVER, NULL); #ifdef HAVE_MENU /* By default, we want the menu to persist through driver reinits. */ menu_driver_ctl(RARCH_MENU_CTL_SET_OWN_DRIVER, NULL); #endif if (flags & (DRIVER_VIDEO | DRIVER_AUDIO)) driver_adjust_system_rates(); if (flags & DRIVER_VIDEO) { struct retro_hw_render_callback *hwr = video_driver_get_hw_context(); video_driver_monitor_reset(); video_driver_init(); if (!video_driver_is_video_cache_context_ack() && hwr->context_reset) hwr->context_reset(); video_driver_unset_video_cache_context_ack(); runloop_ctl(RUNLOOP_CTL_SET_FRAME_TIME_LAST, NULL); } if (flags & DRIVER_AUDIO) { audio_driver_init(); audio_driver_new_devices_list(); } /* Only initialize camera driver if we're ever going to use it. */ if ((flags & DRIVER_CAMERA) && camera_driver_ctl(RARCH_CAMERA_CTL_IS_ACTIVE, NULL)) camera_driver_ctl(RARCH_CAMERA_CTL_INIT, NULL); /* Only initialize location driver if we're ever going to use it. */ if ((flags & DRIVER_LOCATION) && location_driver_ctl(RARCH_LOCATION_CTL_IS_ACTIVE, NULL)) init_location(); #ifdef HAVE_MENU if (flags & DRIVER_MENU) { menu_driver_ctl(RARCH_MENU_CTL_INIT, NULL); menu_driver_ctl(RARCH_MENU_CTL_CONTEXT_RESET, NULL); } #endif if (flags & (DRIVER_VIDEO | DRIVER_AUDIO)) { /* Keep non-throttled state as good as possible. */ if (input_driver_is_nonblock_state()) driver_ctl(RARCH_DRIVER_CTL_SET_NONBLOCK_STATE, NULL); } }