/* RetroArch - A frontend for libretro. * Copyright (C) 2010-2014 - Hans-Kristian Arntzen * Copyright (C) 2011-2016 - Daniel De Matteis * * 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 . */ #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_CONFIG_H #include "config.h" #endif #ifdef HAVE_CHEEVOS #include "cheevos.h" #endif #ifdef HAVE_NETWORKING #include "network/netplay/netplay.h" #endif #include "dynamic.h" #include "command.h" #include "audio/audio_driver.h" #include "camera/camera_driver.h" #include "location/location_driver.h" #include "record/record_driver.h" #include "core.h" #include "driver.h" #include "performance_counters.h" #include "gfx/video_context_driver.h" #include "cores/internal_cores.h" #include "frontend/frontend_driver.h" #include "content.h" #include "dirs.h" #include "paths.h" #include "retroarch.h" #include "runloop.h" #include "configuration.h" #include "msg_hash.h" #include "verbosity.h" #ifdef HAVE_DYNAMIC #define SYMBOL(x) do { \ function_t func = dylib_proc(lib_handle, #x); \ memcpy(¤t_core->x, &func, sizeof(func)); \ if (current_core->x == NULL) { RARCH_ERR("Failed to load symbol: \"%s\"\n", #x); retroarch_fail(1, "init_libretro_sym()"); } \ } while (0) static dylib_t lib_handle; #else #define SYMBOL(x) current_core->x = x #endif #define SYMBOL_DUMMY(x) current_core->x = libretro_dummy_##x #ifdef HAVE_FFMPEG #define SYMBOL_FFMPEG(x) current_core->x = libretro_ffmpeg_##x #endif #ifdef HAVE_IMAGEVIEWER #define SYMBOL_IMAGEVIEWER(x) current_core->x = libretro_imageviewer_##x #endif #if defined(HAVE_NETWORKING) && defined(HAVE_NETWORKGAMEPAD) #define SYMBOL_NETRETROPAD(x) current_core->x = libretro_netretropad_##x #endif #if defined(HAVE_VIDEO_PROCESSOR) #define SYMBOL_VIDEOPROCESSOR(x) current_core->x = libretro_videoprocessor_##x #endif static bool ignore_environment_cb = false; static bool *load_no_content_hook = NULL; const struct retro_subsystem_info *libretro_find_subsystem_info( const struct retro_subsystem_info *info, unsigned num_info, const char *ident) { unsigned i; for (i = 0; i < num_info; i++) { if (string_is_equal(info[i].ident, ident)) return &info[i]; else if (string_is_equal(info[i].desc, ident)) return &info[i]; } return NULL; } /** * libretro_find_controller_description: * @info : Pointer to controller info handle. * @id : Identifier of controller to search * for. * * Search for a controller of type @id in @info. * * Returns: controller description of found controller on success, * otherwise NULL. **/ const struct retro_controller_description * libretro_find_controller_description( const struct retro_controller_info *info, unsigned id) { unsigned i; for (i = 0; i < info->num_types; i++) { if (info->types[i].id != id) continue; return &info->types[i]; } return NULL; } /** * libretro_free_system_info: * @info : Pointer to system info information. * * Frees system information. **/ void libretro_free_system_info(struct retro_system_info *info) { if (!info) return; free((void*)info->library_name); free((void*)info->library_version); free((void*)info->valid_extensions); memset(info, 0, sizeof(*info)); } static bool environ_cb_get_system_info(unsigned cmd, void *data) { switch (cmd) { case RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME: *load_no_content_hook = *(const bool*)data; break; default: return false; } return true; } #ifdef HAVE_DYNAMIC /** * libretro_get_environment_info: * @func : Function pointer for get_environment_info. * @load_no_content : If true, core should be able to auto-start * without any content loaded. * * Sets environment callback in order to get statically known * information from it. * * Fetched via environment callbacks instead of * retro_get_system_info(), as this info is part of extensions. * * Should only be called once right after core load to * avoid overwriting the "real" environ callback. * * For statically linked cores, pass retro_set_environment as argument. */ void libretro_get_environment_info(void (*func)(retro_environment_t), bool *load_no_content) { load_no_content_hook = load_no_content; /* load_no_content gets set in this callback. */ func(environ_cb_get_system_info); /* It's possible that we just set get_system_info callback * to the currently running core. * * Make sure we reset it to the actual environment callback. * Ignore any environment callbacks here in case we're running * on the non-current core. */ ignore_environment_cb = true; func(rarch_environment_cb); ignore_environment_cb = false; } static bool load_dynamic_core(void) { function_t sym = dylib_proc(NULL, "retro_init"); if (sym) { /* Try to verify that -lretro was not linked in from other modules * since loading it dynamically and with -l will fail hard. */ RARCH_ERR("Serious problem. RetroArch wants to load libretro cores" " dynamically, but it is already linked.\n"); RARCH_ERR("This could happen if other modules RetroArch depends on " "link against libretro directly.\n"); RARCH_ERR("Proceeding could cause a crash. Aborting ...\n"); retroarch_fail(1, "init_libretro_sym()"); } if (string_is_empty(path_get(RARCH_PATH_CORE))) { RARCH_ERR("RetroArch is built for dynamic libretro cores, but " "libretro_path is not set. Cannot continue.\n"); retroarch_fail(1, "init_libretro_sym()"); } /* Need to use absolute path for this setting. It can be * saved to content history, and a relative path would * break in that scenario. */ path_resolve_realpath( path_get_ptr(RARCH_PATH_CORE), path_get_realsize(RARCH_PATH_CORE)); RARCH_LOG("Loading dynamic libretro core from: \"%s\"\n", path_get(RARCH_PATH_CORE)); lib_handle = dylib_load(path_get(RARCH_PATH_CORE)); if (lib_handle) return true; RARCH_ERR("Failed to open libretro core: \"%s\"\n", path_get(RARCH_PATH_CORE)); RARCH_ERR("Error(s): %s\n", dylib_error()); runloop_msg_queue_push(msg_hash_to_str(MSG_FAILED_TO_OPEN_LIBRETRO_CORE), 1, 180, true); return false; } static dylib_t libretro_get_system_info_lib(const char *path, struct retro_system_info *info, bool *load_no_content) { dylib_t lib = dylib_load(path); void (*proc)(struct retro_system_info*); if (!lib) { RARCH_ERR("%s: \"%s\"\n", msg_hash_to_str(MSG_FAILED_TO_OPEN_LIBRETRO_CORE), path); RARCH_ERR("Error(s): %s\n", dylib_error()); return NULL; } proc = (void (*)(struct retro_system_info*)) dylib_proc(lib, "retro_get_system_info"); if (!proc) { dylib_close(lib); return NULL; } proc(info); if (load_no_content) { void (*set_environ)(retro_environment_t); *load_no_content = false; set_environ = (void (*)(retro_environment_t)) dylib_proc(lib, "retro_set_environment"); if (!set_environ) return lib; libretro_get_environment_info(set_environ, load_no_content); } return lib; } #else static bool libretro_get_system_info_static(struct retro_system_info *info, bool *load_no_content) { struct retro_system_info dummy_info = {0}; if (load_no_content) { load_no_content_hook = load_no_content; /* load_no_content gets set in this callback. */ retro_set_environment(environ_cb_get_system_info); /* It's possible that we just set get_system_info callback * to the currently running core. * * Make sure we reset it to the actual environment callback. * Ignore any environment callbacks here in case we're running * on the non-current core. */ ignore_environment_cb = true; retro_set_environment(rarch_environment_cb); ignore_environment_cb = false; } retro_get_system_info(&dummy_info); memcpy(info, &dummy_info, sizeof(*info)); info->library_name = strdup(dummy_info.library_name); info->library_version = strdup(dummy_info.library_version); if (dummy_info.valid_extensions) info->valid_extensions = strdup(dummy_info.valid_extensions); return true; } #endif /** * libretro_get_system_info: * @path : Path to libretro library. * @info : Pointer to system info information. * @load_no_content : If true, core should be able to auto-start * without any content loaded. * * Gets system info from an arbitrary lib. * The struct returned must be freed as strings are allocated dynamically. * * Returns: true (1) if successful, otherwise false (0). **/ bool libretro_get_system_info(const char *path, struct retro_system_info *info, bool *load_no_content) { #ifdef HAVE_DYNAMIC struct retro_system_info dummy_info = {0}; dylib_t lib = libretro_get_system_info_lib( path, &dummy_info, load_no_content); if (!lib) return false; memcpy(info, &dummy_info, sizeof(*info)); info->library_name = strdup(dummy_info.library_name); info->library_version = strdup(dummy_info.library_version); if (dummy_info.valid_extensions) info->valid_extensions = strdup(dummy_info.valid_extensions); dylib_close(lib); #else if (!libretro_get_system_info_static(info, load_no_content)) return false; #endif return true; } /** * load_symbols: * @type : Type of core to be loaded. * If CORE_TYPE_DUMMY, will * load dummy symbols. * * Setup libretro callback symbols. Returns true on success, * or false if symbols could not be loaded. **/ static bool load_symbols(enum rarch_core_type type, struct retro_core_t *current_core) { switch (type) { case CORE_TYPE_PLAIN: #ifdef HAVE_DYNAMIC if (!load_dynamic_core()) return false; #endif SYMBOL(retro_init); SYMBOL(retro_deinit); SYMBOL(retro_api_version); SYMBOL(retro_get_system_info); SYMBOL(retro_get_system_av_info); SYMBOL(retro_set_environment); SYMBOL(retro_set_video_refresh); SYMBOL(retro_set_audio_sample); SYMBOL(retro_set_audio_sample_batch); SYMBOL(retro_set_input_poll); SYMBOL(retro_set_input_state); SYMBOL(retro_set_controller_port_device); SYMBOL(retro_reset); SYMBOL(retro_run); SYMBOL(retro_serialize_size); SYMBOL(retro_serialize); SYMBOL(retro_unserialize); SYMBOL(retro_cheat_reset); SYMBOL(retro_cheat_set); SYMBOL(retro_load_game); SYMBOL(retro_load_game_special); SYMBOL(retro_unload_game); SYMBOL(retro_get_region); SYMBOL(retro_get_memory_data); SYMBOL(retro_get_memory_size); break; case CORE_TYPE_DUMMY: SYMBOL_DUMMY(retro_init); SYMBOL_DUMMY(retro_deinit); SYMBOL_DUMMY(retro_api_version); SYMBOL_DUMMY(retro_get_system_info); SYMBOL_DUMMY(retro_get_system_av_info); SYMBOL_DUMMY(retro_set_environment); SYMBOL_DUMMY(retro_set_video_refresh); SYMBOL_DUMMY(retro_set_audio_sample); SYMBOL_DUMMY(retro_set_audio_sample_batch); SYMBOL_DUMMY(retro_set_input_poll); SYMBOL_DUMMY(retro_set_input_state); SYMBOL_DUMMY(retro_set_controller_port_device); SYMBOL_DUMMY(retro_reset); SYMBOL_DUMMY(retro_run); SYMBOL_DUMMY(retro_serialize_size); SYMBOL_DUMMY(retro_serialize); SYMBOL_DUMMY(retro_unserialize); SYMBOL_DUMMY(retro_cheat_reset); SYMBOL_DUMMY(retro_cheat_set); SYMBOL_DUMMY(retro_load_game); SYMBOL_DUMMY(retro_load_game_special); SYMBOL_DUMMY(retro_unload_game); SYMBOL_DUMMY(retro_get_region); SYMBOL_DUMMY(retro_get_memory_data); SYMBOL_DUMMY(retro_get_memory_size); break; case CORE_TYPE_FFMPEG: #ifdef HAVE_FFMPEG SYMBOL_FFMPEG(retro_init); SYMBOL_FFMPEG(retro_deinit); SYMBOL_FFMPEG(retro_api_version); SYMBOL_FFMPEG(retro_get_system_info); SYMBOL_FFMPEG(retro_get_system_av_info); SYMBOL_FFMPEG(retro_set_environment); SYMBOL_FFMPEG(retro_set_video_refresh); SYMBOL_FFMPEG(retro_set_audio_sample); SYMBOL_FFMPEG(retro_set_audio_sample_batch); SYMBOL_FFMPEG(retro_set_input_poll); SYMBOL_FFMPEG(retro_set_input_state); SYMBOL_FFMPEG(retro_set_controller_port_device); SYMBOL_FFMPEG(retro_reset); SYMBOL_FFMPEG(retro_run); SYMBOL_FFMPEG(retro_serialize_size); SYMBOL_FFMPEG(retro_serialize); SYMBOL_FFMPEG(retro_unserialize); SYMBOL_FFMPEG(retro_cheat_reset); SYMBOL_FFMPEG(retro_cheat_set); SYMBOL_FFMPEG(retro_load_game); SYMBOL_FFMPEG(retro_load_game_special); SYMBOL_FFMPEG(retro_unload_game); SYMBOL_FFMPEG(retro_get_region); SYMBOL_FFMPEG(retro_get_memory_data); SYMBOL_FFMPEG(retro_get_memory_size); #endif break; case CORE_TYPE_IMAGEVIEWER: #ifdef HAVE_IMAGEVIEWER SYMBOL_IMAGEVIEWER(retro_init); SYMBOL_IMAGEVIEWER(retro_deinit); SYMBOL_IMAGEVIEWER(retro_api_version); SYMBOL_IMAGEVIEWER(retro_get_system_info); SYMBOL_IMAGEVIEWER(retro_get_system_av_info); SYMBOL_IMAGEVIEWER(retro_set_environment); SYMBOL_IMAGEVIEWER(retro_set_video_refresh); SYMBOL_IMAGEVIEWER(retro_set_audio_sample); SYMBOL_IMAGEVIEWER(retro_set_audio_sample_batch); SYMBOL_IMAGEVIEWER(retro_set_input_poll); SYMBOL_IMAGEVIEWER(retro_set_input_state); SYMBOL_IMAGEVIEWER(retro_set_controller_port_device); SYMBOL_IMAGEVIEWER(retro_reset); SYMBOL_IMAGEVIEWER(retro_run); SYMBOL_IMAGEVIEWER(retro_serialize_size); SYMBOL_IMAGEVIEWER(retro_serialize); SYMBOL_IMAGEVIEWER(retro_unserialize); SYMBOL_IMAGEVIEWER(retro_cheat_reset); SYMBOL_IMAGEVIEWER(retro_cheat_set); SYMBOL_IMAGEVIEWER(retro_load_game); SYMBOL_IMAGEVIEWER(retro_load_game_special); SYMBOL_IMAGEVIEWER(retro_unload_game); SYMBOL_IMAGEVIEWER(retro_get_region); SYMBOL_IMAGEVIEWER(retro_get_memory_data); SYMBOL_IMAGEVIEWER(retro_get_memory_size); #endif break; case CORE_TYPE_NETRETROPAD: #if defined(HAVE_NETWORKING) && defined(HAVE_NETWORKGAMEPAD) SYMBOL_NETRETROPAD(retro_init); SYMBOL_NETRETROPAD(retro_deinit); SYMBOL_NETRETROPAD(retro_api_version); SYMBOL_NETRETROPAD(retro_get_system_info); SYMBOL_NETRETROPAD(retro_get_system_av_info); SYMBOL_NETRETROPAD(retro_set_environment); SYMBOL_NETRETROPAD(retro_set_video_refresh); SYMBOL_NETRETROPAD(retro_set_audio_sample); SYMBOL_NETRETROPAD(retro_set_audio_sample_batch); SYMBOL_NETRETROPAD(retro_set_input_poll); SYMBOL_NETRETROPAD(retro_set_input_state); SYMBOL_NETRETROPAD(retro_set_controller_port_device); SYMBOL_NETRETROPAD(retro_reset); SYMBOL_NETRETROPAD(retro_run); SYMBOL_NETRETROPAD(retro_serialize_size); SYMBOL_NETRETROPAD(retro_serialize); SYMBOL_NETRETROPAD(retro_unserialize); SYMBOL_NETRETROPAD(retro_cheat_reset); SYMBOL_NETRETROPAD(retro_cheat_set); SYMBOL_NETRETROPAD(retro_load_game); SYMBOL_NETRETROPAD(retro_load_game_special); SYMBOL_NETRETROPAD(retro_unload_game); SYMBOL_NETRETROPAD(retro_get_region); SYMBOL_NETRETROPAD(retro_get_memory_data); SYMBOL_NETRETROPAD(retro_get_memory_size); #endif break; case CORE_TYPE_VIDEO_PROCESSOR: #if defined(HAVE_VIDEO_PROCESSOR) SYMBOL_VIDEOPROCESSOR(retro_init); SYMBOL_VIDEOPROCESSOR(retro_deinit); SYMBOL_VIDEOPROCESSOR(retro_api_version); SYMBOL_VIDEOPROCESSOR(retro_get_system_info); SYMBOL_VIDEOPROCESSOR(retro_get_system_av_info); SYMBOL_VIDEOPROCESSOR(retro_set_environment); SYMBOL_VIDEOPROCESSOR(retro_set_video_refresh); SYMBOL_VIDEOPROCESSOR(retro_set_audio_sample); SYMBOL_VIDEOPROCESSOR(retro_set_audio_sample_batch); SYMBOL_VIDEOPROCESSOR(retro_set_input_poll); SYMBOL_VIDEOPROCESSOR(retro_set_input_state); SYMBOL_VIDEOPROCESSOR(retro_set_controller_port_device); SYMBOL_VIDEOPROCESSOR(retro_reset); SYMBOL_VIDEOPROCESSOR(retro_run); SYMBOL_VIDEOPROCESSOR(retro_serialize_size); SYMBOL_VIDEOPROCESSOR(retro_serialize); SYMBOL_VIDEOPROCESSOR(retro_unserialize); SYMBOL_VIDEOPROCESSOR(retro_cheat_reset); SYMBOL_VIDEOPROCESSOR(retro_cheat_set); SYMBOL_VIDEOPROCESSOR(retro_load_game); SYMBOL_VIDEOPROCESSOR(retro_load_game_special); SYMBOL_VIDEOPROCESSOR(retro_unload_game); SYMBOL_VIDEOPROCESSOR(retro_get_region); SYMBOL_VIDEOPROCESSOR(retro_get_memory_data); SYMBOL_VIDEOPROCESSOR(retro_get_memory_size); #endif break; } return true; } /** * libretro_get_current_core_pathname: * @name : Sanitized name of libretro core. * @size : Size of @name * * Transforms a library id to a name suitable as a pathname. **/ void libretro_get_current_core_pathname(char *name, size_t size) { size_t i; struct retro_system_info info; const char *id = msg_hash_to_str(MSG_UNKNOWN); if (size == 0) return; core_get_system_info(&info); if (info.library_name) id = info.library_name; if (!id || strlen(id) >= size) { name[0] = '\0'; return; } name[strlen(id)] = '\0'; for (i = 0; id[i] != '\0'; i++) { char c = id[i]; if (isspace((int)c) || isblank((int)c)) name[i] = '_'; else name[i] = tolower((int)c); } } /** * init_libretro_sym: * @type : Type of core to be loaded. * If CORE_TYPE_DUMMY, will * load dummy symbols. * * Initializes libretro symbols and * setups environment callback functions. Returns true on success, * or false if symbols could not be loaded. **/ bool init_libretro_sym(enum rarch_core_type type, struct retro_core_t *current_core) { /* Guarantee that we can do "dirty" casting. * Every OS that this program supports should pass this. */ retro_assert(sizeof(void*) == sizeof(void (*)(void))); if (!load_symbols(type, current_core)) return false; return true; } /** * 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(); } static void rarch_log_libretro(enum retro_log_level level, const char *fmt, ...) { va_list vp; settings_t *settings = config_get_ptr(); if ((unsigned)level < settings->libretro_log_level) return; va_start(vp, fmt); switch (level) { case RETRO_LOG_DEBUG: RARCH_LOG_V("[libretro DEBUG]", fmt, vp); break; case RETRO_LOG_INFO: RARCH_LOG_OUTPUT_V("[libretro INFO]", fmt, vp); break; case RETRO_LOG_WARN: RARCH_WARN_V("[libretro WARN]", fmt, vp); break; case RETRO_LOG_ERROR: RARCH_ERR_V("[libretro ERROR]", fmt, vp); break; default: break; } va_end(vp); } static size_t mmap_add_bits_down(size_t n) { n |= n >> 1; n |= n >> 2; n |= n >> 4; n |= n >> 8; n |= n >> 16; /* double shift to avoid warnings on 32bit (it's dead code, but compilers suck) */ if (sizeof(size_t) > 4) n |= n >> 16 >> 16; return n; } static size_t mmap_inflate(size_t addr, size_t mask) { while (mask) { size_t tmp = (mask - 1) & ~mask; /* to put in an 1 bit instead, OR in tmp+1 */ addr = ((addr & ~tmp) << 1) | (addr & tmp); mask = mask & (mask - 1); } return addr; } static size_t mmap_reduce(size_t addr, size_t mask) { while (mask) { size_t tmp = (mask - 1) & ~mask; addr = (addr & tmp) | ((addr >> 1) & ~tmp); mask = (mask & (mask - 1)) >> 1; } return addr; } static size_t mmap_highest_bit(size_t n) { n = mmap_add_bits_down(n); return n ^ (n >> 1); } static bool mmap_preprocess_descriptors(rarch_memory_descriptor_t *first, unsigned count) { size_t top_addr = 1; rarch_memory_descriptor_t *desc = NULL; const rarch_memory_descriptor_t *end = first + count; for (desc = first; desc < end; desc++) { if (desc->core.select != 0) top_addr |= desc->core.select; else top_addr |= desc->core.start + desc->core.len - 1; } top_addr = mmap_add_bits_down(top_addr); for (desc = first; desc < end; desc++) { if (desc->core.select == 0) { if (desc->core.len == 0) return false; if ((desc->core.len & (desc->core.len - 1)) != 0) return false; desc->core.select = top_addr & ~mmap_inflate(mmap_add_bits_down(desc->core.len - 1), desc->core.disconnect); } if (desc->core.len == 0) desc->core.len = mmap_add_bits_down(mmap_reduce(top_addr & ~desc->core.select, desc->core.disconnect)) + 1; if (desc->core.start & ~desc->core.select) return false; while (mmap_reduce(top_addr & ~desc->core.select, desc->core.disconnect) >> 1 > desc->core.len - 1) desc->core.disconnect |= mmap_highest_bit(top_addr & ~desc->core.select & ~desc->core.disconnect); desc->disconnect_mask = mmap_add_bits_down(desc->core.len - 1); desc->core.disconnect &= desc->disconnect_mask; while ((~desc->disconnect_mask) >> 1 & desc->core.disconnect) { desc->disconnect_mask >>= 1; desc->core.disconnect &= desc->disconnect_mask; } } return true; } static bool dynamic_request_hw_context(enum retro_hw_context_type type, unsigned minor, unsigned major) { switch (type) { case RETRO_HW_CONTEXT_NONE: RARCH_LOG("Requesting no HW context.\n"); break; case RETRO_HW_CONTEXT_VULKAN: #ifdef HAVE_VULKAN RARCH_LOG("Requesting Vulkan context.\n"); break; #else RARCH_ERR("Requesting Vulkan context, but RetroArch is not compiled against Vulkan. Cannot use HW context.\n"); return false; #endif #if defined(HAVE_OPENGLES) #if (defined(HAVE_OPENGLES2) || defined(HAVE_OPENGLES3)) case RETRO_HW_CONTEXT_OPENGLES2: case RETRO_HW_CONTEXT_OPENGLES3: RARCH_LOG("Requesting OpenGLES%u context.\n", 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", major, minor); break; #endif #endif case RETRO_HW_CONTEXT_OPENGL: case RETRO_HW_CONTEXT_OPENGL_CORE: RARCH_ERR("Requesting OpenGL context, but RetroArch " "is compiled against OpenGLES. 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", 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", major, minor); return false; case RETRO_HW_CONTEXT_OPENGL: RARCH_LOG("Requesting OpenGL context.\n"); break; case RETRO_HW_CONTEXT_OPENGL_CORE: { gfx_ctx_flags_t flags; flags.flags = 0; BIT32_SET(flags.flags, GFX_CTX_FLAGS_GL_CORE_CONTEXT); video_context_driver_set_flags(&flags); RARCH_LOG("Requesting core OpenGL context (%u.%u).\n", major, minor); } break; #endif default: RARCH_LOG("Requesting unknown context.\n"); return false; } return true; } static bool dynamic_verify_hw_context(enum retro_hw_context_type type, unsigned minor, unsigned major) { const char *video_ident = video_driver_get_ident(); switch (type) { case RETRO_HW_CONTEXT_VULKAN: if (!string_is_equal(video_ident, "vulkan")) return false; break; case RETRO_HW_CONTEXT_OPENGLES2: case RETRO_HW_CONTEXT_OPENGLES3: case RETRO_HW_CONTEXT_OPENGLES_VERSION: case RETRO_HW_CONTEXT_OPENGL: case RETRO_HW_CONTEXT_OPENGL_CORE: if (!string_is_equal(video_ident, "gl")) return false; break; default: break; } return true; } /** * 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(); 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, 3, 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; if (system) 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: if (system) { 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->directory.system)) { const char *fullpath = path_get(RARCH_PATH_CONTENT); if (!string_is_empty(fullpath)) { char temp_path[PATH_MAX_LENGTH] = {0}; RARCH_WARN("SYSTEM DIR is empty, assume CONTENT DIR %s\n", fullpath); fill_pathname_basedir(temp_path, fullpath, sizeof(temp_path)); dir_set(RARCH_DIR_SYSTEM, temp_path); } *(const char**)data = dir_get_ptr(RARCH_DIR_SYSTEM); RARCH_LOG("Environ SYSTEM_DIRECTORY: \"%s\".\n", dir_get(RARCH_DIR_SYSTEM)); } else { *(const char**)data = settings->directory.system; RARCH_LOG("Environ SYSTEM_DIRECTORY: \"%s\".\n", settings->directory.system); } break; case RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY: *(const char**)data = dir_get(RARCH_DIR_CURRENT_SAVEFILE); 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: #ifdef HAVE_LANGEXTRA *(unsigned *)data = settings->user_language; RARCH_LOG("Environ GET_LANGUAGE: \"%u\".\n", settings->user_language); #endif 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: { 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", }; if (system) { unsigned retro_id; const struct retro_input_descriptor *desc = NULL; memset(&system->input_desc_btn, 0, sizeof(system->input_desc_btn)); desc = (const struct retro_input_descriptor*)data; for (; desc->description; desc++) { unsigned 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); } } core_set_input_descriptors(); } 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 && key_event) *frontend_key_event = *key_event; break; } case RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE: RARCH_LOG("Environ SET_DISK_CONTROL_INTERFACE.\n"); if (system) system->disk_control_cb = *(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 *cb = (struct retro_hw_render_callback*)data; struct retro_hw_render_callback *hwr = video_driver_get_hw_context(); RARCH_LOG("Environ SET_HW_RENDER.\n"); if (!dynamic_request_hw_context(cb->context_type, cb->version_minor, cb->version_major)) return false; if (!dynamic_verify_hw_context(cb->context_type, cb->version_minor, cb->version_major)) return false; cb->get_current_framebuffer = video_driver_get_current_framebuffer; cb->get_proc_address = video_driver_get_proc_address; /* Old ABI. Don't copy garbage. */ if (cmd & RETRO_ENVIRONMENT_EXPERIMENTAL) memcpy(hwr, cb, offsetof(struct retro_hw_render_callback, stencil)); else memcpy(hwr, 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"); if (state) content_set_does_not_need_content(); else content_unset_does_not_need_content(); break; } case RETRO_ENVIRONMENT_GET_LIBRETRO_PATH: { const char **path = (const char**)data; #ifdef HAVE_DYNAMIC *path = path_get(RARCH_PATH_CORE); #else *path = NULL; #endif break; } case RETRO_ENVIRONMENT_SET_AUDIO_CALLBACK: #ifdef HAVE_THREADS { RARCH_LOG("Environ SET_AUDIO_CALLBACK.\n"); #ifdef HAVE_NETWORKING if (netplay_driver_ctl(RARCH_NETPLAY_CTL_IS_ENABLED, NULL)) return false; #endif if (recording_driver_get_data_ptr()) /* A/V sync is a must. */ return false; audio_driver_set_callback(data); } #endif break; case RETRO_ENVIRONMENT_SET_FRAME_TIME_CALLBACK: { RARCH_LOG("Environ SET_FRAME_TIME_CALLBACK.\n"); runloop_ctl(RUNLOOP_CTL_SET_FRAME_TIME, data); 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_has_capabilities()) *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; camera_driver_ctl(RARCH_CAMERA_CTL_SET_CB, 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; if (system) system->location_cb = *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 = cpu_features_get_time_usec; cb->get_cpu_features = cpu_features_get; cb->get_perf_counter = cpu_features_get_perf_counter; cb->perf_register = performance_counter_register; cb->perf_start = performance_counter_start; cb->perf_stop = performance_counter_stop; cb->perf_log = retro_perf_log; break; } case RETRO_ENVIRONMENT_GET_CORE_ASSETS_DIRECTORY: { const char **dir = (const char**)data; *dir = *settings->directory.core_assets ? settings->directory.core_assets : NULL; RARCH_LOG("Environ CORE_ASSETS_DIRECTORY: \"%s\".\n", settings->directory.core_assets); 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"); } } if (system) { free(system->subsystem.data); system->subsystem.data = (struct retro_subsystem_info*) calloc(i, sizeof(*system->subsystem.data)); if (!system->subsystem.data) return false; memcpy(system->subsystem.data, info, i * sizeof(*system->subsystem.data)); system->subsystem.size = 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); } if (system) { free(system->ports.data); system->ports.data = (struct retro_controller_info*) calloc(i, sizeof(*system->ports.data)); if (!system->ports.data) return false; memcpy(system->ports.data, info, i * sizeof(*system->ports.data)); system->ports.size = i; } break; } case RETRO_ENVIRONMENT_SET_MEMORY_MAPS: { if (system) { unsigned i; const struct retro_memory_map *mmaps = (const struct retro_memory_map*)data; rarch_memory_descriptor_t *descriptors = NULL; RARCH_LOG("Environ SET_MEMORY_MAPS.\n"); free((void*)system->mmaps.descriptors); system->mmaps.num_descriptors = 0; descriptors = (rarch_memory_descriptor_t*) calloc(mmaps->num_descriptors, sizeof(*descriptors)); if (!descriptors) return false; system->mmaps.descriptors = descriptors; system->mmaps.num_descriptors = mmaps->num_descriptors; for (i = 0; i < mmaps->num_descriptors; i++) system->mmaps.descriptors[i].core = mmaps->descriptors[i]; mmap_preprocess_descriptors(descriptors, mmaps->num_descriptors); if (sizeof(void *) == 8) RARCH_LOG(" ndx flags ptr offset start select disconn len addrspace\n"); else RARCH_LOG(" ndx flags ptr offset start select disconn len addrspace\n"); for (i = 0; i < system->mmaps.num_descriptors; i++) { const rarch_memory_descriptor_t *desc = &system->mmaps.descriptors[i]; char flags[7]; flags[0] = 'M'; if ((desc->core.flags & RETRO_MEMDESC_MINSIZE_8) == RETRO_MEMDESC_MINSIZE_8) flags[1] = '8'; else if ((desc->core.flags & RETRO_MEMDESC_MINSIZE_4) == RETRO_MEMDESC_MINSIZE_4) flags[1] = '4'; else if ((desc->core.flags & RETRO_MEMDESC_MINSIZE_2) == RETRO_MEMDESC_MINSIZE_2) flags[1] = '2'; else flags[1] = '1'; flags[2] = 'A'; if ((desc->core.flags & RETRO_MEMDESC_ALIGN_8) == RETRO_MEMDESC_ALIGN_8) flags[3] = '8'; else if ((desc->core.flags & RETRO_MEMDESC_ALIGN_4) == RETRO_MEMDESC_ALIGN_4) flags[3] = '4'; else if ((desc->core.flags & RETRO_MEMDESC_ALIGN_2) == RETRO_MEMDESC_ALIGN_2) flags[3] = '2'; else flags[3] = '1'; flags[4] = (desc->core.flags & RETRO_MEMDESC_BIGENDIAN) ? 'B' : 'b'; flags[5] = (desc->core.flags & RETRO_MEMDESC_CONST) ? 'C' : 'c'; flags[6] = 0; RARCH_LOG(" %03u %s %p %08X %08X %08X %08X %08X %s\n", i + 1, flags, desc->core.ptr, desc->core.offset, desc->core.start, desc->core.select, desc->core.disconnect, desc->core.len, desc->core.addrspace ? desc->core.addrspace : ""); } } else { RARCH_WARN("Environ SET_MEMORY_MAPS, but system pointer not initialized..\n"); } break; } case RETRO_ENVIRONMENT_SET_GEOMETRY: { const struct retro_game_geometry *in_geom = NULL; struct retro_game_geometry *geom = NULL; struct retro_system_av_info *av_info = video_viewport_get_system_av_info(); if (av_info) geom = (struct retro_game_geometry*)&av_info->geometry; if (!geom) return false; in_geom = (const struct retro_game_geometry*)data; 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. */ command_event(CMD_EVENT_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); case RETRO_ENVIRONMENT_GET_HW_RENDER_INTERFACE: return video_driver_get_hw_render_interface( (const struct retro_hw_render_interface**)data); case RETRO_ENVIRONMENT_SET_SUPPORT_ACHIEVEMENTS: #ifdef HAVE_CHEEVOS { bool state = *(const bool*)data; RARCH_LOG("Environ SET_SUPPORT_ACHIEVEMENTS: %s.\n", state ? "yes" : "no"); cheevos_set_support_cheevos(state); } #endif break; case RETRO_ENVIRONMENT_SET_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE: { const struct retro_hw_render_context_negotiation_interface *iface = (const struct retro_hw_render_context_negotiation_interface*)data; RARCH_LOG("Environ SET_HW_RENDER_CONTEXT_NEGOTIATION_INTERFACE.\n"); video_driver_set_context_negotiation_interface(iface); break; } case RETRO_ENVIRONMENT_SET_SERIALIZATION_QUIRKS: { uint64_t *quirks = (uint64_t *) data; core_set_serialization_quirks(*quirks); break; } /* Default */ default: RARCH_LOG("Environ UNSUPPORTED (#%u).\n", cmd); return false; } return true; }