Beispiel #1
0
static bool environment_cb(unsigned cmd, void *data)
{
   switch (cmd)
   {
      case RETRO_ENVIRONMENT_GET_OVERSCAN:
         *(bool*)data = !g_settings.video.crop_overscan;
         RARCH_LOG("Environ GET_OVERSCAN: %u\n", (unsigned)!g_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:
      {
         struct retro_variable *var = (struct retro_variable*)data;
         RARCH_LOG("Environ GET_VARIABLE %s:\n", var->key);

         if (g_extern.system.core_options)
            core_option_get(g_extern.system.core_options, var);
         else
            var->value = NULL;

         RARCH_LOG("\t%s\n", var->value ? var->value : "N/A");
         break;
      }

      case RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE:
         *(bool*)data = g_extern.system.core_options ?
            core_option_updated(g_extern.system.core_options) : false;
         break;

      case RETRO_ENVIRONMENT_SET_VARIABLES:
      {
         RARCH_LOG("Environ SET_VARIABLES.\n");

         if (g_extern.system.core_options)
         {
            core_option_flush(g_extern.system.core_options);
            core_option_free(g_extern.system.core_options);
         }

         const struct retro_variable *vars = (const struct retro_variable*)data;

         const char *options_path = g_settings.core_options_path;
         char buf[PATH_MAX];
         if (!*options_path && *g_extern.config_path)
         {
            fill_pathname_resolve_relative(buf, g_extern.config_path, ".retroarch-core-options.cfg", sizeof(buf));
            options_path = buf;
         }
         g_extern.system.core_options = core_option_new(options_path, vars);

         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);
         if (g_extern.msg_queue)
         {
            msg_queue_clear(g_extern.msg_queue);
            msg_queue_push(g_extern.msg_queue, msg->msg, 1, msg->frames);
         }
         break;
      }

      case RETRO_ENVIRONMENT_SET_ROTATION:
      {
         unsigned rotation = *(const unsigned*)data;
         RARCH_LOG("Environ SET_ROTATION: %u\n", rotation);
         if (!g_settings.video.allow_rotate)
            break;

         g_extern.system.rotation = rotation;

         if (driver.video && driver.video->set_rotation)
         {
            if (driver.video_data)
               video_set_rotation_func(rotation);
         }
         else
            return false;
         break;
      }

      case RETRO_ENVIRONMENT_SHUTDOWN:
         RARCH_LOG("Environ SHUTDOWN.\n");
         g_extern.system.shutdown = true;
         break;

      case RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL:
         g_extern.system.performance_level = *(const unsigned*)data;
         RARCH_LOG("Environ PERFORMANCE_LEVEL: %u.\n", g_extern.system.performance_level);
         break;

      case RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY:
         *(const char **)data = *g_settings.system_directory ? g_settings.system_directory : NULL;
         RARCH_LOG("Environ SYSTEM_DIRECTORY: \"%s\".\n", g_settings.system_directory);
         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;
         }
         
         g_extern.system.pix_fmt = pix_fmt;
         break;
      }

      case RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS:
      {
         memset(g_extern.system.input_desc_btn, 0, sizeof(g_extern.system.input_desc_btn));

         const struct retro_input_descriptor *desc = (const struct retro_input_descriptor*)data;
         for (; desc->description; desc++)
         {
            if (desc->port >= MAX_PLAYERS)
               continue;

            if (desc->device != RETRO_DEVICE_JOYPAD) // Ignore all others for now.
               continue;

            if (desc->id >= RARCH_FIRST_CUSTOM_BIND)
               continue;

            g_extern.system.input_desc_btn[desc->port][desc->id] = desc->description;
         }

         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",
         };

         RARCH_LOG("Environ SET_INPUT_DESCRIPTORS:\n");
         for (unsigned p = 0; p < MAX_PLAYERS; p++)
         {
            for (unsigned id = 0; id < RARCH_FIRST_CUSTOM_BIND; id++)
            {
               const char *desc = g_extern.system.input_desc_btn[p][id];
               if (desc)
               {
                  RARCH_LOG("\tRetroPad, Player %u, Button \"%s\" => \"%s\"\n",
                        p + 1, libretro_btn_desc[id], desc);
               }
            }
         }

         break;
      }
      
      case RETRO_ENVIRONMENT_SET_KEYBOARD_CALLBACK:
      {
         RARCH_LOG("Environ SET_KEYBOARD_CALLBACK.\n");
         const struct retro_keyboard_callback *info = (const struct retro_keyboard_callback*)data;
         g_extern.system.key_event = info->callback;
         break;
      }

      case RETRO_ENVIRONMENT_SET_DISK_CONTROL_INTERFACE:
         RARCH_LOG("Environ SET_DISK_CONTROL_INTERFACE.\n");
         g_extern.system.disk_control = *(const struct retro_disk_control_callback*)data;
         break;

      case RETRO_ENVIRONMENT_SET_HW_RENDER:
      {
         RARCH_LOG("Environ SET_HW_RENDER.\n");
         struct retro_hw_render_callback *cb = (struct retro_hw_render_callback*)data;
         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:
               RARCH_LOG("Requesting OpenGLES2 context.\n");
               driver.video = &video_gl;
               break;

            case RETRO_HW_CONTEXT_OPENGL:
               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:
               RARCH_ERR("Requesting OpenGLES2 context, but RetroArch is compiled against OpenGL. Cannot use HW context.\n");
               return false;

            case RETRO_HW_CONTEXT_OPENGL:
               RARCH_LOG("Requesting OpenGL context.\n");
               driver.video = &video_gl;
               break;
#endif

            default:
               RARCH_LOG("Requesting unknown context.\n");
               return false;
         }
         cb->get_current_framebuffer = driver_get_current_framebuffer;
         cb->get_proc_address = driver_get_proc_address;
         memcpy(&g_extern.system.hw_render_callback, 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");
         g_extern.system.no_game = state;
         break;
      }

      case RETRO_ENVIRONMENT_GET_LIBRETRO_PATH:
      {
         const char **path = (const char**)data;
#ifdef HAVE_DYNAMIC
         *path = g_settings.libretro;
#else
         *path = NULL; 
#endif
         break;
      }

      default:
         RARCH_LOG("Environ UNSUPPORTED (#%u).\n", cmd);
         return false;
   }

   return true;
}
Beispiel #2
0
bool runloop_ctl(enum runloop_ctl_state state, void *data)
{
   static rarch_dir_list_t runloop_shader_dir;
   static char runloop_fullpath[PATH_MAX_LENGTH];
   static rarch_system_info_t runloop_system;
   static unsigned runloop_pending_windowed_scale;
   static retro_keyboard_event_t runloop_key_event = NULL;
   static unsigned runloop_max_frames              = false;
   static bool runloop_frame_time_last             = false;
   static bool runloop_set_frame_limit             = false;
   static bool runloop_paused                      = false;
   static bool runloop_idle                        = false;
   static bool runloop_exec                        = false;
   static bool runloop_slowmotion                  = false;
   static bool runloop_shutdown_initiated          = false;
   static bool runloop_core_shutdown_initiated     = false;
   static bool runloop_perfcnt_enable              = false;
   static bool runloop_overrides_active            = false;
   static bool runloop_game_options_active         = false;
#ifdef HAVE_THREADS
   static slock_t *runloop_msg_queue_lock          = NULL;
#endif
   static core_info_t *core_info_current           = NULL;
   static core_info_list_t *core_info_curr_list    = NULL;
   settings_t *settings                            = config_get_ptr();

   switch (state)
   {
      case RUNLOOP_CTL_DATA_ITERATE:
         rarch_task_check();
         return true;
      case RUNLOOP_CTL_SHADER_DIR_DEINIT:
         shader_dir_free(&runloop_shader_dir);
         return true;
      case RUNLOOP_CTL_SHADER_DIR_INIT:
         return shader_dir_init(&runloop_shader_dir);
      case RUNLOOP_CTL_SYSTEM_INFO_INIT:
         core.retro_get_system_info(&runloop_system.info);

         if (!runloop_system.info.library_name)
            runloop_system.info.library_name = msg_hash_to_str(MSG_UNKNOWN);
         if (!runloop_system.info.library_version)
            runloop_system.info.library_version = "v0";

#ifndef RARCH_CONSOLE
         strlcpy(runloop_system.title_buf, 
               msg_hash_to_str(MSG_PROGRAM), sizeof(runloop_system.title_buf));
         strlcat(runloop_system.title_buf, " : ", sizeof(runloop_system.title_buf));
#endif
         strlcat(runloop_system.title_buf, runloop_system.info.library_name, sizeof(runloop_system.title_buf));
         strlcat(runloop_system.title_buf, " ", sizeof(runloop_system.title_buf));
         strlcat(runloop_system.title_buf, runloop_system.info.library_version, sizeof(runloop_system.title_buf));
         strlcpy(runloop_system.valid_extensions, runloop_system.info.valid_extensions ?
               runloop_system.info.valid_extensions : DEFAULT_EXT,
               sizeof(runloop_system.valid_extensions));
         runloop_system.block_extract = runloop_system.info.block_extract;
         break;
      case RUNLOOP_CTL_GET_CORE_OPTION_SIZE:
         {
            unsigned *idx = (unsigned*)data;
            if (!idx)
               return false;
            *idx = core_option_size(runloop_system.core_options);
         }
         return true;
      case RUNLOOP_CTL_HAS_CORE_OPTIONS:
         return runloop_system.core_options;
      case RUNLOOP_CTL_CURRENT_CORE_LIST_FREE:
         if (core_info_curr_list)
            core_info_list_free(core_info_curr_list);
         core_info_curr_list = NULL;
         return true;
      case RUNLOOP_CTL_CURRENT_CORE_LIST_INIT:
         core_info_curr_list = core_info_list_new();
         return true;
      case RUNLOOP_CTL_CURRENT_CORE_LIST_GET:
         {
            core_info_list_t **core = (core_info_list_t**)data;
            if (!core)
               return false;
            *core = core_info_curr_list;
         }
         return true;
      case RUNLOOP_CTL_CURRENT_CORE_FREE:
         if (core_info_current)
            free(core_info_current);
         core_info_current = NULL;
         return true;
      case RUNLOOP_CTL_CURRENT_CORE_INIT:
         core_info_current = (core_info_t*)calloc(1, sizeof(core_info_t));
         if (!core_info_current)
            return false;
         return true;
      case RUNLOOP_CTL_CURRENT_CORE_GET:
         {
            core_info_t **core = (core_info_t**)data;
            if (!core)
               return false;
            *core = core_info_current;
         }
         return true;
      case RUNLOOP_CTL_SYSTEM_INFO_GET:
         {
            rarch_system_info_t **system = (rarch_system_info_t**)data;
            if (!system)
               return false;
            *system = &runloop_system;
         }
         return true;
      case RUNLOOP_CTL_SYSTEM_INFO_FREE:
         if (runloop_system.core_options)
         {
            core_option_flush(runloop_system.core_options);
            core_option_free(runloop_system.core_options);
         }

         runloop_system.core_options = NULL;

         /* No longer valid. */
         if (runloop_system.special)
            free(runloop_system.special);
         runloop_system.special = NULL;
         if (runloop_system.ports)
            free(runloop_system.ports);
         runloop_system.ports   = NULL;

         runloop_key_event = NULL;
         global_get_ptr()->frontend_key_event = NULL;
         audio_driver_unset_callback();
         memset(&runloop_system, 0, sizeof(rarch_system_info_t));
         break;
      case RUNLOOP_CTL_IS_FRAME_COUNT_END:
         {
            uint64_t *frame_count         = NULL;
            video_driver_ctl(RARCH_DISPLAY_CTL_GET_FRAME_COUNT, &frame_count);
            return runloop_max_frames && (*frame_count >= runloop_max_frames);
         }
      case RUNLOOP_CTL_SET_FRAME_TIME_LAST:
         runloop_frame_time_last = true;
         break;
      case RUNLOOP_CTL_UNSET_FRAME_TIME_LAST:
         runloop_frame_time_last = false;
         break;
      case RUNLOOP_CTL_SET_OVERRIDES_ACTIVE:
         runloop_overrides_active = true;
         break;
      case RUNLOOP_CTL_UNSET_OVERRIDES_ACTIVE:
         runloop_overrides_active = false; 
         break;
      case RUNLOOP_CTL_IS_OVERRIDES_ACTIVE:
         return runloop_overrides_active;
      case RUNLOOP_CTL_SET_GAME_OPTIONS_ACTIVE:
         runloop_game_options_active = true;
         break;
      case RUNLOOP_CTL_UNSET_GAME_OPTIONS_ACTIVE:
         runloop_game_options_active = false;
         break;
      case RUNLOOP_CTL_IS_GAME_OPTIONS_ACTIVE:
         return runloop_game_options_active;
      case RUNLOOP_CTL_IS_FRAME_TIME_LAST:
         return runloop_frame_time_last;
      case RUNLOOP_CTL_SET_FRAME_LIMIT:
         runloop_set_frame_limit = true;
         break;
      case RUNLOOP_CTL_UNSET_FRAME_LIMIT:
         runloop_set_frame_limit = false;
         break;
      case RUNLOOP_CTL_SHOULD_SET_FRAME_LIMIT:
         return runloop_set_frame_limit;
      case RUNLOOP_CTL_GET_PERFCNT:
         {
            bool **perfcnt = (bool**)data;
            if (!perfcnt)
               return false;
            *perfcnt = &runloop_perfcnt_enable;
         }
         return true;
      case RUNLOOP_CTL_SET_PERFCNT_ENABLE:
         runloop_perfcnt_enable = true;
         break;
      case RUNLOOP_CTL_UNSET_PERFCNT_ENABLE:
         runloop_perfcnt_enable = false;
         break;
      case RUNLOOP_CTL_IS_PERFCNT_ENABLE:
         return runloop_perfcnt_enable;
      case RUNLOOP_CTL_GET_WINDOWED_SCALE:
         {
            unsigned **scale = (unsigned**)data;
            if (!scale)
               return false;
            *scale       = (unsigned*)&runloop_pending_windowed_scale;
         }
         break;
      case RUNLOOP_CTL_SET_WINDOWED_SCALE:
         {
            unsigned *idx = (unsigned*)data;
            if (!idx)
               return false;
            runloop_pending_windowed_scale = *idx;
         }
         break;
      case RUNLOOP_CTL_SET_LIBRETRO_PATH:
         {
            const char *fullpath = (const char*)data;
            if (!fullpath)
               return false;
            strlcpy(settings->libretro, fullpath, sizeof(settings->libretro));
         }
         break;
      case RUNLOOP_CTL_CLEAR_CONTENT_PATH:
         *runloop_fullpath = '\0';
         break;
      case RUNLOOP_CTL_GET_CONTENT_PATH:
         {
            char **fullpath = (char**)data;
            if (!fullpath)
               return false;
            *fullpath       = (char*)runloop_fullpath;
         }
         break;
      case RUNLOOP_CTL_SET_CONTENT_PATH:
         {
            const char *fullpath = (const char*)data;
            if (!fullpath)
               return false;
            strlcpy(runloop_fullpath, fullpath, sizeof(runloop_fullpath));
         }
         break;
      case RUNLOOP_CTL_CHECK_FOCUS:
         if (settings->pause_nonactive)
            return video_driver_ctl(RARCH_DISPLAY_CTL_IS_FOCUSED, NULL);
         return true;
      case RUNLOOP_CTL_CHECK_IDLE_STATE:
         {
            event_cmd_state_t *cmd    = (event_cmd_state_t*)data;
            bool focused              = runloop_ctl(RUNLOOP_CTL_CHECK_FOCUS, NULL);

            check_pause(settings, focused,
                  runloop_cmd_triggered(cmd, RARCH_PAUSE_TOGGLE),
                  runloop_cmd_triggered(cmd, RARCH_FRAMEADVANCE));

            if (!runloop_ctl(RUNLOOP_CTL_CHECK_PAUSE_STATE, cmd) || !focused)
               return false;
            break;
         }
      case RUNLOOP_CTL_CHECK_STATE:
         {
            bool tmp                  = false;
            event_cmd_state_t *cmd    = (event_cmd_state_t*)data;

            if (!cmd || runloop_idle)
               return false;

            if (runloop_cmd_triggered(cmd, RARCH_SCREENSHOT))
               event_command(EVENT_CMD_TAKE_SCREENSHOT);

            if (runloop_cmd_triggered(cmd, RARCH_MUTE))
               event_command(EVENT_CMD_AUDIO_MUTE_TOGGLE);

            if (runloop_cmd_triggered(cmd, RARCH_OSK))
            {
               if (input_driver_ctl(RARCH_INPUT_CTL_IS_KEYBOARD_LINEFEED_ENABLED, NULL))
                  input_driver_ctl(RARCH_INPUT_CTL_UNSET_KEYBOARD_LINEFEED_ENABLED, NULL);
               else
                  input_driver_ctl(RARCH_INPUT_CTL_SET_KEYBOARD_LINEFEED_ENABLED, NULL);
            }

            if (runloop_cmd_press(cmd, RARCH_VOLUME_UP))
               event_command(EVENT_CMD_VOLUME_UP);
            else if (runloop_cmd_press(cmd, RARCH_VOLUME_DOWN))
               event_command(EVENT_CMD_VOLUME_DOWN);

#ifdef HAVE_NETPLAY
            tmp = runloop_cmd_triggered(cmd, RARCH_NETPLAY_FLIP);
            netplay_driver_ctl(RARCH_NETPLAY_CTL_FLIP_PLAYERS, &tmp);
            tmp = runloop_cmd_triggered(cmd, RARCH_FULLSCREEN_TOGGLE_KEY);
            netplay_driver_ctl(RARCH_NETPLAY_CTL_FULLSCREEN_TOGGLE, &tmp);
#endif
            if (!runloop_ctl(RUNLOOP_CTL_CHECK_IDLE_STATE, data))
               return false;

            check_fast_forward_button(
                  runloop_cmd_triggered(cmd, RARCH_FAST_FORWARD_KEY),
                  runloop_cmd_press    (cmd, RARCH_FAST_FORWARD_HOLD_KEY),
                  runloop_cmd_pressed  (cmd, RARCH_FAST_FORWARD_HOLD_KEY));
            check_stateslots(settings,
                  runloop_cmd_triggered(cmd, RARCH_STATE_SLOT_PLUS),
                  runloop_cmd_triggered(cmd, RARCH_STATE_SLOT_MINUS)
                  );

            if (runloop_cmd_triggered(cmd, RARCH_SAVE_STATE_KEY))
               event_command(EVENT_CMD_SAVE_STATE);
            else if (runloop_cmd_triggered(cmd, RARCH_LOAD_STATE_KEY))
               event_command(EVENT_CMD_LOAD_STATE);

            state_manager_check_rewind(runloop_cmd_press(cmd, RARCH_REWIND));

            tmp = runloop_cmd_press(cmd, RARCH_SLOWMOTION);

            runloop_ctl(RUNLOOP_CTL_CHECK_SLOWMOTION, &tmp);

            if (runloop_cmd_triggered(cmd, RARCH_MOVIE_RECORD_TOGGLE))
               runloop_ctl(RUNLOOP_CTL_CHECK_MOVIE, NULL);

            check_shader_dir(&runloop_shader_dir,
                  runloop_cmd_triggered(cmd, RARCH_SHADER_NEXT),
                  runloop_cmd_triggered(cmd, RARCH_SHADER_PREV));

            if (runloop_cmd_triggered(cmd, RARCH_DISK_EJECT_TOGGLE))
               event_command(EVENT_CMD_DISK_EJECT_TOGGLE);
            else if (runloop_cmd_triggered(cmd, RARCH_DISK_NEXT))
               event_command(EVENT_CMD_DISK_NEXT);
            else if (runloop_cmd_triggered(cmd, RARCH_DISK_PREV))
               event_command(EVENT_CMD_DISK_PREV);

            if (runloop_cmd_triggered(cmd, RARCH_RESET))
               event_command(EVENT_CMD_RESET);

            cheat_manager_state_checks(
                  runloop_cmd_triggered(cmd, RARCH_CHEAT_INDEX_PLUS),
                  runloop_cmd_triggered(cmd, RARCH_CHEAT_INDEX_MINUS),
                  runloop_cmd_triggered(cmd, RARCH_CHEAT_TOGGLE));
         }
         break;
      case RUNLOOP_CTL_CHECK_PAUSE_STATE:
         {
            bool check_is_oneshot;
            event_cmd_state_t *cmd    = (event_cmd_state_t*)data;

            if (!cmd)
               return false;

            check_is_oneshot     = runloop_cmd_triggered(cmd, RARCH_FRAMEADVANCE) 
               || runloop_cmd_press(cmd, RARCH_REWIND);

            if (!runloop_paused)
               return true;

            if (runloop_cmd_triggered(cmd, RARCH_FULLSCREEN_TOGGLE_KEY))
            {
               event_command(EVENT_CMD_FULLSCREEN_TOGGLE);
               video_driver_ctl(RARCH_DISPLAY_CTL_CACHED_FRAME_RENDER, NULL);
            }

            if (!check_is_oneshot)
               return false;
         }
         break;
      case RUNLOOP_CTL_CHECK_SLOWMOTION:
         {
            bool *ptr            = (bool*)data;

            if (!ptr)
               return false;

            runloop_slowmotion   = *ptr;

            if (!runloop_slowmotion)
               return false;

            if (settings->video.black_frame_insertion)
               video_driver_ctl(RARCH_DISPLAY_CTL_CACHED_FRAME_RENDER, NULL);

            if (state_manager_frame_is_reversed())
               runloop_msg_queue_push_new(MSG_SLOW_MOTION_REWIND, 0, 30, true);
            else
               runloop_msg_queue_push_new(MSG_SLOW_MOTION, 0, 30, true);
         }
         break;
      case RUNLOOP_CTL_CHECK_MOVIE:
         if (bsv_movie_ctl(BSV_MOVIE_CTL_PLAYBACK_ON, NULL))
            return runloop_ctl(RUNLOOP_CTL_CHECK_MOVIE_PLAYBACK, NULL);
         if (!bsv_movie_ctl(BSV_MOVIE_CTL_IS_INITED, NULL))
            return runloop_ctl(RUNLOOP_CTL_CHECK_MOVIE_INIT, NULL);
         return runloop_ctl(RUNLOOP_CTL_CHECK_MOVIE_RECORD, NULL);
      case RUNLOOP_CTL_CHECK_MOVIE_RECORD:
         if (!bsv_movie_ctl(BSV_MOVIE_CTL_IS_INITED, NULL))
            return false;

         runloop_msg_queue_push_new(
               MSG_MOVIE_RECORD_STOPPED, 2, 180, true);
         RARCH_LOG("%s\n", msg_hash_to_str(MSG_MOVIE_RECORD_STOPPED));

         event_command(EVENT_CMD_BSV_MOVIE_DEINIT);
         break;
      case RUNLOOP_CTL_CHECK_MOVIE_INIT:
         if (bsv_movie_ctl(BSV_MOVIE_CTL_IS_INITED, NULL))
            return false;
         {
            char msg[128];
            char path[PATH_MAX_LENGTH];

            settings->rewind_granularity = 1;

            if (settings->state_slot > 0)
               snprintf(path, sizeof(path), "%s%d",
                     bsv_movie_get_path(), settings->state_slot);
            else
               strlcpy(path, bsv_movie_get_path(), sizeof(path));

            strlcat(path, ".bsv", sizeof(path));

            snprintf(msg, sizeof(msg), "%s \"%s\".",
                  msg_hash_to_str(MSG_STARTING_MOVIE_RECORD_TO),
                  path);

            bsv_movie_init_handle(path, RARCH_MOVIE_RECORD);

            if (!bsv_movie_ctl(BSV_MOVIE_CTL_IS_INITED, NULL))
               return false;
            else if (bsv_movie_ctl(BSV_MOVIE_CTL_IS_INITED, NULL))
            {
               runloop_msg_queue_push(msg, 1, 180, true);
               RARCH_LOG("%s \"%s\".\n",
                     msg_hash_to_str(MSG_STARTING_MOVIE_RECORD_TO),
                     path);
            }
            else
            {
               runloop_msg_queue_push_new(
                     MSG_FAILED_TO_START_MOVIE_RECORD,
                     1, 180, true);
               RARCH_ERR("%s\n", msg_hash_to_str(MSG_FAILED_TO_START_MOVIE_RECORD));
            }
         }
         break;
      case RUNLOOP_CTL_CHECK_MOVIE_PLAYBACK:
         if (!bsv_movie_ctl(BSV_MOVIE_CTL_END, NULL))
            return false;

         runloop_msg_queue_push_new(
               MSG_MOVIE_PLAYBACK_ENDED, 1, 180, false);
         RARCH_LOG("%s\n", msg_hash_to_str(MSG_MOVIE_PLAYBACK_ENDED));

         event_command(EVENT_CMD_BSV_MOVIE_DEINIT);

         bsv_movie_ctl(BSV_MOVIE_CTL_UNSET_END, NULL);
         bsv_movie_ctl(BSV_MOVIE_CTL_UNSET_PLAYBACK, NULL);
         break;
      case RUNLOOP_CTL_STATE_FREE:
         runloop_perfcnt_enable     = false;
         runloop_idle               = false;
         runloop_paused             = false;
         runloop_slowmotion         = false;
         runloop_frame_time_last    = false;
         runloop_set_frame_limit    = false;
         runloop_overrides_active   = false;
         runloop_max_frames         = 0;
         break;
      case RUNLOOP_CTL_GLOBAL_FREE:
         {
            global_t *global;
            event_command(EVENT_CMD_TEMPORARY_CONTENT_DEINIT);
            event_command(EVENT_CMD_SUBSYSTEM_FULLPATHS_DEINIT);
            event_command(EVENT_CMD_RECORD_DEINIT);
            event_command(EVENT_CMD_LOG_FILE_DEINIT);

            rarch_ctl(RARCH_CTL_UNSET_BLOCK_CONFIG_READ, NULL);
            runloop_ctl(RUNLOOP_CTL_CLEAR_CONTENT_PATH,  NULL);
            runloop_overrides_active   = false;

            global = global_get_ptr();
            memset(global, 0, sizeof(struct global));
         }
         break;
      case RUNLOOP_CTL_CLEAR_STATE:
         driver_ctl(RARCH_DRIVER_CTL_DEINIT,  NULL);
         runloop_ctl(RUNLOOP_CTL_STATE_FREE,  NULL);
         runloop_ctl(RUNLOOP_CTL_GLOBAL_FREE, NULL);
         break;
      case RUNLOOP_CTL_SET_MAX_FRAMES:
         {
            unsigned *ptr = (unsigned*)data;
            if (!ptr)
               return false;
            runloop_max_frames = *ptr;
         }
         break;
      case RUNLOOP_CTL_IS_IDLE:
         return runloop_idle;
      case RUNLOOP_CTL_SET_IDLE:
         {
            bool *ptr = (bool*)data;
            if (!ptr)
               return false;
            runloop_idle = *ptr;
         }
         break;
      case RUNLOOP_CTL_IS_SLOWMOTION:
         {
            bool *ptr = (bool*)data;
            if (!ptr)
               return false;
            *ptr = runloop_slowmotion;
         }
         break;
      case RUNLOOP_CTL_SET_SLOWMOTION:
         {
            bool *ptr = (bool*)data;
            if (!ptr)
               return false;
            runloop_slowmotion = *ptr;
         }
         break;
      case RUNLOOP_CTL_SET_PAUSED:
         {
            bool *ptr = (bool*)data;
            if (!ptr)
               return false;
            runloop_paused = *ptr;
         }
         break;
      case RUNLOOP_CTL_IS_PAUSED:
         return runloop_paused;
      case RUNLOOP_CTL_MSG_QUEUE_FREE:
#ifdef HAVE_THREADS
         slock_free(runloop_msg_queue_lock);
         runloop_msg_queue_lock = NULL;
#endif
         break;
      case RUNLOOP_CTL_MSG_QUEUE_DEINIT:
         if (!g_msg_queue)
            return true;

         runloop_ctl(RUNLOOP_CTL_MSG_QUEUE_LOCK, NULL);

         msg_queue_free(g_msg_queue);

         runloop_ctl(RUNLOOP_CTL_MSG_QUEUE_UNLOCK, NULL);
         runloop_ctl(RUNLOOP_CTL_MSG_QUEUE_FREE, NULL);

         g_msg_queue = NULL;
         break;
      case RUNLOOP_CTL_MSG_QUEUE_INIT:
         runloop_ctl(RUNLOOP_CTL_MSG_QUEUE_DEINIT, NULL);
         g_msg_queue = msg_queue_new(8);
         retro_assert(g_msg_queue);

#ifdef HAVE_THREADS
         runloop_msg_queue_lock = slock_new();
         retro_assert(runloop_msg_queue_lock);
#endif
         break;
      case RUNLOOP_CTL_MSG_QUEUE_LOCK:
#ifdef HAVE_THREADS
         slock_lock(runloop_msg_queue_lock);
#endif
         break;
      case RUNLOOP_CTL_MSG_QUEUE_UNLOCK:
#ifdef HAVE_THREADS
         slock_unlock(runloop_msg_queue_lock);
#endif
         break;
      case RUNLOOP_CTL_PREPARE_DUMMY:
#ifdef HAVE_MENU
         menu_driver_ctl(RARCH_MENU_CTL_UNSET_LOAD_NO_CONTENT, NULL);
#endif
         runloop_data_clear_state();

         runloop_ctl(RUNLOOP_CTL_CLEAR_CONTENT_PATH, NULL);

         rarch_ctl(RARCH_CTL_LOAD_CONTENT, NULL);
         break;
      case RUNLOOP_CTL_SET_CORE_SHUTDOWN:
         runloop_core_shutdown_initiated = true;
         break;
      case RUNLOOP_CTL_UNSET_CORE_SHUTDOWN:
         runloop_core_shutdown_initiated = false;
         break;
      case RUNLOOP_CTL_IS_CORE_SHUTDOWN:
         return runloop_core_shutdown_initiated;
      case RUNLOOP_CTL_SET_SHUTDOWN:
         runloop_shutdown_initiated = true;
         break;
      case RUNLOOP_CTL_UNSET_SHUTDOWN:
         runloop_shutdown_initiated = false;
         break;
      case RUNLOOP_CTL_IS_SHUTDOWN:
         return runloop_shutdown_initiated;
      case RUNLOOP_CTL_SET_EXEC:
         runloop_exec = true;
         break;
      case RUNLOOP_CTL_UNSET_EXEC:
         runloop_exec = false;
         break;
      case RUNLOOP_CTL_IS_EXEC:
         return runloop_exec;
      case RUNLOOP_CTL_DATA_DEINIT:
         rarch_task_deinit();
         break;
      case RUNLOOP_CTL_IS_CORE_OPTION_UPDATED:
         return runloop_system.core_options ?
            core_option_updated(runloop_system.core_options) : false;
      case RUNLOOP_CTL_CORE_OPTION_PREV:
         {
            unsigned *idx = (unsigned*)data;
            if (!idx)
               return false;
            core_option_prev(runloop_system.core_options, *idx);
            if (ui_companion_is_on_foreground())
               ui_companion_driver_notify_refresh();
         }
         return true;
      case RUNLOOP_CTL_CORE_OPTION_NEXT:
         {
            unsigned *idx = (unsigned*)data;
            if (!idx)
               return false;
            core_option_next(runloop_system.core_options, *idx);
            if (ui_companion_is_on_foreground())
               ui_companion_driver_notify_refresh();
         }
         return true;
      case RUNLOOP_CTL_CORE_OPTIONS_GET:
         {
            struct retro_variable *var = (struct retro_variable*)data;

            if (!runloop_system.core_options || !var)
               return false;

            RARCH_LOG("Environ GET_VARIABLE %s:\n", var->key);
            core_option_get(runloop_system.core_options, var);
            RARCH_LOG("\t%s\n", var->value ? var->value : "N/A");
         }
         return true;
      case RUNLOOP_CTL_CORE_OPTIONS_INIT:
         {
            char *game_options_path           = NULL;
            bool ret                          = false;
            const struct retro_variable *vars = (const struct retro_variable*)data;
            char buf[PATH_MAX_LENGTH]         = {0};
            global_t *global                  = global_get_ptr();
            const char *options_path          = settings->core_options_path;

            if (!*options_path && *global->path.config)
            {
               fill_pathname_resolve_relative(buf, global->path.config,
                     "retroarch-core-options.cfg", sizeof(buf));
               options_path = buf;
            }


            if (settings->game_specific_options)
               ret = rarch_game_specific_options(&game_options_path);

            if(ret)
            {
               runloop_ctl(RUNLOOP_CTL_SET_GAME_OPTIONS_ACTIVE, NULL);
               runloop_system.core_options = core_option_new(game_options_path, vars);
               free(game_options_path);
            }
            else
            {
               runloop_ctl(RUNLOOP_CTL_UNSET_GAME_OPTIONS_ACTIVE, NULL);
               runloop_system.core_options = core_option_new(options_path, vars);
            }

         }
         break;
      case RUNLOOP_CTL_CORE_OPTIONS_DEINIT:
         if (!runloop_system.core_options)
            return false;

         core_option_flush(runloop_system.core_options);
         core_option_free(runloop_system.core_options);

         runloop_system.core_options = NULL;
         return true;
      case RUNLOOP_CTL_KEY_EVENT_GET:
         {
            retro_keyboard_event_t **key_event = (retro_keyboard_event_t**)data;
            if (!key_event)
               return false;
            *key_event = &runloop_key_event;
         }
         break;
      case RUNLOOP_CTL_NONE:
      default:
         return false;
   }

   return true;
}
Beispiel #3
0
/**
 * 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;
   driver_t *driver     = driver_get_ptr();
   settings_t *settings = config_get_ptr();
   global_t *global     = global_get_ptr();
   rarch_system_info_t *system = rarch_system_info_get_ptr();
   char buf[PATH_MAX_LENGTH];

   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:
      {
         struct retro_variable *var = (struct retro_variable*)data;
         RARCH_LOG("Environ GET_VARIABLE %s:\n", var->key);

         if (system && system->core_options)
            core_option_get(system->core_options, var);
         else
            var->value = NULL;

         RARCH_LOG("\t%s\n", var->value ? var->value : "N/A");
         break;
      }

      case RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE:
         *(bool*)data = system->core_options ?
            core_option_updated(system->core_options) : false;
         break;

      case RETRO_ENVIRONMENT_SET_VARIABLES:
      {
         RARCH_LOG("Environ SET_VARIABLES.\n");

         if (system && system->core_options)
         {
            core_option_flush(system->core_options);
            core_option_free(system->core_options);
         }

         {
            const struct retro_variable *vars = (const struct retro_variable*)data;
            char buf[PATH_MAX_LENGTH]         = {0};
            const char *options_path          = settings->core_options_path;

            if (!*options_path && *global->path.config)
            {
               fill_pathname_resolve_relative(buf, global->path.config,
                     "retroarch-core-options.cfg", sizeof(buf));
               options_path = buf;
            }

            system->core_options = core_option_new(options_path, vars);
         }

         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);
         rarch_main_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");
         system->shutdown = true;
         global->core_shutdown_initiated = true;
         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 (!settings->system_directory || settings->system_directory[0] == '\0')
         {
            RARCH_WARN("SYSTEM DIR is empty, assume CONTENT DIR %s\n",global->path.fullpath);
            fill_pathname_basedir(buf, global->path.fullpath,
                  sizeof(buf));

         }
         *(const char**)data = *settings->system_directory ?
            settings->system_directory : buf;

         RARCH_LOG("Environ SYSTEM_DIRECTORY: \"%s\".\n",
               settings->system_directory);
         break;

      case RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY:
         *(const char**)data = *global->dir.savefile ?
            global->dir.savefile : NULL;
         RARCH_LOG("Environ SAVE_DIRECTORY: \"%s\".\n",
               global->dir.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:
         *(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:
      {
         const struct retro_keyboard_callback *info = 
            (const struct retro_keyboard_callback*)data;

         RARCH_LOG("Environ SET_KEYBOARD_CALLBACK.\n");
         system->key_event          = info->callback;
         global->frontend_key_event = system->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;
#ifdef HAVE_DYNAMIC
         *path = settings->libretro;
#else
         *path = NULL;
#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 (driver->recording_data) /* 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 (driver->input &&
               driver->input->get_capabilities && driver->input_data)
            *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;
         driver->camera_active = cb->caps != 0;
         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;
         driver->location_active   = true;
         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    = rarch_get_time_usec;
         cb->get_cpu_features = rarch_get_cpu_features;
         cb->get_perf_counter = rarch_get_perf_counter;
         cb->perf_register    = retro_perf_register; /* libretro specific path. */
         cb->perf_start       = rarch_perf_start;
         cb->perf_stop        = rarch_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_update_system_av_info(
               (const struct retro_system_av_info*)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;

         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_command(EVENT_CMD_VIDEO_SET_ASPECT_RATIO);
            
            /* TODO: Figure out what to do, if anything, with recording. */
         }
         break;
      }

      /* Private extensions for internal use, not part of libretro API. */
      case RETRO_ENVIRONMENT_SET_LIBRETRO_PATH:
         RARCH_LOG("Environ (Private) SET_LIBRETRO_PATH.\n");

         if (path_file_exists((const char*)data))
            strlcpy(settings->libretro, (const char*)data,
                  sizeof(settings->libretro));
         else
            return false;
         break;

      case RETRO_ENVIRONMENT_EXEC:
      case RETRO_ENVIRONMENT_EXEC_ESCAPE:

         *global->path.fullpath = '\0';
         if (data)
            strlcpy(global->path.fullpath, (const char*)data,
                  sizeof(global->path.fullpath));

#if defined(RARCH_CONSOLE)
         if (driver->frontend_ctx && driver->frontend_ctx->set_fork)
            driver->frontend_ctx->set_fork(true, true);
#elif defined(HAVE_DYNAMIC)
         rarch_main_set_state(RARCH_ACTION_STATE_LOAD_CONTENT);
#endif

         if (cmd == RETRO_ENVIRONMENT_EXEC_ESCAPE)
         {
            RARCH_LOG("Environ (Private) EXEC_ESCAPE.\n");
            global->exec = true;
         }
         else
            RARCH_LOG("Environ (Private) EXEC.\n");

         break;

      default:
         RARCH_LOG("Environ UNSUPPORTED (#%u).\n", cmd);
         return false;
   }

   return true;
}