示例#1
0
/**
 * menu_iterate:
 * @input                    : input sample for this frame
 * @old_input                : input sample of the previous frame
 * @trigger_input            : difference' input sample - difference
 *                             between 'input' and 'old_input'
 *
 * Runs RetroArch menu for one frame.
 *
 * Returns: 0 on success, -1 if we need to quit out of the loop. 
 **/
int menu_iterate(retro_input_t input,
      retro_input_t old_input, retro_input_t trigger_input)
{
   int32_t ret              = 0;
   unsigned action          = 0;
   runloop_t *runloop       = rarch_main_get_ptr();
   menu_display_t *disp     = menu_display_get_ptr();
   menu_input_t *menu_input = menu_input_get_ptr();

   menu_animation_update_time(disp->animation);

   menu_input->joypad.state    = menu_input_frame(input, trigger_input);

   action = menu_input->joypad.state;

   ret = menu_entry_iterate(action);

   if (menu_driver_alive() && !runloop->is_idle)
      menu_display_fb();

   menu_driver_set_texture();

   if (ret)
      return -1;

   return 0;
}
示例#2
0
/**
 * menu_iterate:
 * @input                    : input sample for this frame
 * @old_input                : input sample of the previous frame
 * @trigger_input            : difference' input sample - difference
 *                             between 'input' and 'old_input'
 *
 * Runs RetroArch menu for one frame.
 *
 * Returns: 0 on success, -1 if we need to quit out of the loop. 
 **/
int menu_iterate(retro_input_t input,
      retro_input_t old_input, retro_input_t trigger_input)
{
   static retro_time_t last_clock_update = 0;
   int32_t ret          = 0;
   unsigned action      = 0;
   runloop_t *runloop   = rarch_main_get_ptr();
   menu_handle_t *menu  = menu_driver_get_ptr();
   settings_t *settings = config_get_ptr();

   menu->input.joypad   = menu_input_frame(input, trigger_input);
   menu->cur_time       = rarch_get_time_usec();
   menu->dt             = menu->cur_time - menu->old_time;

   if (menu->dt >= IDEAL_DT * 4)
      menu->dt = IDEAL_DT * 4;
   if (menu->dt <= IDEAL_DT / 4)
      menu->dt = IDEAL_DT / 4;
   menu->old_time = menu->cur_time;

   if (menu->cur_time - last_clock_update > 1000000 && settings->menu.timedate_enable)
   {
      menu->label.is_updated = true;
      last_clock_update = menu->cur_time;
   }

   action = menu->input.joypad;

   if (menu_do_refresh(action) == 0)
      return 0;

   ret = menu_entry_iterate(action);

   if (runloop->is_menu && !runloop->is_idle)
      menu_display_fb();

   menu_driver_set_texture();

   if (ret)
      return -1;

   return 0;
}
示例#3
0
/**
 * rarch_main_iterate:
 *
 * Run Libretro core in RetroArch for one frame.
 *
 * Returns: 0 on success, 1 if we have to wait until button input in order
 * to wake up the loop, -1 if we forcibly quit out of the RetroArch iteration loop.
 **/
int rarch_main_iterate(unsigned *sleep_ms)
{
   int ret;
   unsigned i;
   retro_input_t trigger_input;
   event_cmd_state_t    cmd;
   retro_time_t current, target, to_sleep_ms;
   static retro_input_t last_input = 0;
   driver_t *driver                = driver_get_ptr();
   settings_t *settings            = config_get_ptr();
   global_t   *global              = global_get_ptr();
   retro_input_t input             = input_keys_pressed(driver, settings, global);
   rarch_system_info_t *system     = rarch_system_info_get_ptr();
   retro_input_t old_input         = last_input;
   last_input                      = input;

   if (driver->flushing_input)
   {
      driver->flushing_input = false;
      if (input)
      {
         input = 0;

         /* If core was paused before entering menu, evoke
          * pause toggle to wake it up. */
         if (main_is_paused)
            BIT64_SET(input, RARCH_PAUSE_TOGGLE);
         driver->flushing_input = true;
      }
   }

   trigger_input = input & ~old_input;

   rarch_main_cmd_get_state(driver, settings, &cmd, input, old_input, trigger_input);

   if (system->frame_time.callback)
   {
      /* Updates frame timing if frame timing callback is in use by the core.
       * Limits frame time if fast forward ratio throttle is enabled. */

      retro_time_t current     = retro_get_time_usec();
      retro_time_t delta       = current - system->frame_time_last;
      bool is_locked_fps       = (main_is_paused || driver->nonblock_state) |
         !!driver->recording_data;

      if (!system->frame_time_last || is_locked_fps)
         delta = system->frame_time.reference;

      if (!is_locked_fps && main_is_slowmotion)
         delta /= settings->slowmotion_ratio;

      system->frame_time_last = current;

      if (is_locked_fps)
         system->frame_time_last = 0;

      system->frame_time.callback(delta);
   }

   if (cmd.overlay_next_pressed)
      event_command(EVENT_CMD_OVERLAY_NEXT);

   if (!main_is_paused || menu_driver_alive())
   {
      if (cmd.fullscreen_toggle)
         event_command(EVENT_CMD_FULLSCREEN_TOGGLE);
   }

   if (cmd.grab_mouse_pressed)
      event_command(EVENT_CMD_GRAB_MOUSE_TOGGLE);

#ifdef HAVE_MENU
   if (cmd.menu_pressed || (global->inited.core.type == CORE_TYPE_DUMMY))
   {
      if (menu_driver_alive())
      {
         if (global->inited.main && (global->inited.core.type != CORE_TYPE_DUMMY))
            rarch_ctl(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED, NULL);
      }
      else
         rarch_ctl(RARCH_ACTION_STATE_MENU_RUNNING, NULL);
   }
#endif

#ifdef HAVE_OVERLAY
   rarch_main_iterate_linefeed_overlay(driver, settings);
#endif

   ret = rarch_main_iterate_time_to_exit(&cmd);

   if (ret != 1)
      return -1;


#ifdef HAVE_MENU
   if (menu_driver_alive())
   {
      if (menu_driver_iterate((enum menu_action)menu_input_frame(input, trigger_input)) == -1)
         rarch_ctl(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED, NULL);

      if (!input && settings->menu.pause_libretro)
        return 1;
      goto end;
   }
#endif

   if (!rarch_main_ctl(RARCH_MAIN_CTL_CHECK_STATE, &cmd))
   {
      /* RetroArch has been paused. */
      driver->retro_ctx.poll_cb();
      *sleep_ms = 10;
      return 1;
   }

#if defined(HAVE_THREADS)
   lock_autosave();
#endif

#ifdef HAVE_NETPLAY
   if (driver->netplay_data)
      netplay_pre_frame((netplay_t*)driver->netplay_data);
#endif

   if (global->bsv.movie)
      bsv_movie_set_frame_start(global->bsv.movie);

   if (system->camera_callback.caps)
      driver_camera_poll();

   /* Update binds for analog dpad modes. */
   for (i = 0; i < settings->input.max_users; i++)
   {
      if (!settings->input.analog_dpad_mode[i])
         continue;

      input_push_analog_dpad(settings->input.binds[i],
            settings->input.analog_dpad_mode[i]);
      input_push_analog_dpad(settings->input.autoconf_binds[i],
            settings->input.analog_dpad_mode[i]);
   }

   if ((settings->video.frame_delay > 0) && !driver->nonblock_state)
      retro_sleep(settings->video.frame_delay);

   /* Run libretro for one frame. */
   core.retro_run();

#ifdef HAVE_CHEEVOS
   /* Test the achievements. */
   cheevos_test();
#endif

   for (i = 0; i < settings->input.max_users; i++)
   {
      if (!settings->input.analog_dpad_mode[i])
         continue;

      input_pop_analog_dpad(settings->input.binds[i]);
      input_pop_analog_dpad(settings->input.autoconf_binds[i]);
   }

   if (global->bsv.movie)
      bsv_movie_set_frame_end(global->bsv.movie);

#ifdef HAVE_NETPLAY
   if (driver->netplay_data)
      netplay_post_frame((netplay_t*)driver->netplay_data);
#endif

#if defined(HAVE_THREADS)
   unlock_autosave();
#endif

#ifdef HAVE_MENU
end:
#endif
   if (!settings->fastforward_ratio)
      return 0;

   current                        = retro_get_time_usec();
   target                         = frame_limit_last_time + frame_limit_minimum_time;
   to_sleep_ms                    = (target - current) / 1000;

   if (to_sleep_ms > 0)
   {
      *sleep_ms = (unsigned)to_sleep_ms;
      /* Combat jitter a bit. */
      frame_limit_last_time += frame_limit_minimum_time;
      return 1;
   }

   frame_limit_last_time  = retro_get_time_usec();

   return 0;
}
示例#4
0
/**
 * rarch_main_iterate:
 *
 * Run Libretro core in RetroArch for one frame.
 *
 * Returns: 0 on success, 1 if we have to wait until button input in order
 * to wake up the loop, -1 if we forcibly quit out of the RetroArch iteration loop. 
 **/
int rarch_main_iterate(unsigned *sleep_ms)
{
   unsigned i;
   retro_input_t trigger_input;
   event_cmd_state_t    cmd;
   bool do_quit                    = false;
   static retro_input_t last_input = 0;
   driver_t *driver                = driver_get_ptr();
   settings_t *settings            = config_get_ptr();
   global_t   *global              = global_get_ptr();
   retro_input_t input             = input_keys_pressed(driver, settings, global);
   rarch_system_info_t *system     = rarch_system_info_get_ptr();
   retro_input_t old_input         = last_input;

   last_input                      = input;

   if (driver->flushing_input)
   {
      driver->flushing_input = false;
      if (input)
      {
         input = 0;

         /* If core was paused before entering menu, evoke
          * pause toggle to wake it up. */
         if (main_is_paused)
            BIT64_SET(input, RARCH_PAUSE_TOGGLE);
         driver->flushing_input = true;
      }
   }

   trigger_input = input & ~old_input;

   rarch_main_cmd_get_state(driver, settings, &cmd, input, old_input, trigger_input);

   if (time_to_exit(driver, global, system, &cmd))
      do_quit = true;

   if (system->frame_time.callback)
      rarch_update_frame_time(driver, settings->slowmotion_ratio, system);

   do_pre_state_checks(settings, global, &cmd);

#ifdef HAVE_OVERLAY
   rarch_main_iterate_linefeed_overlay(driver, settings);
#endif

   if (global->exec)
   {
      global->exec = false;
      do_quit      = true;
   }

   if (do_quit)
   {
      /* Quits out of RetroArch main loop.
       * On special case, loads dummy core 
       * instead of exiting RetroArch completely.
       * Aborts core shutdown if invoked.
       */
      if (global->core_shutdown_initiated
            && settings->load_dummy_on_core_shutdown)
      {
         if (!event_command(EVENT_CMD_PREPARE_DUMMY))
            return -1;

         system->shutdown = false;
         global->core_shutdown_initiated = false;

         return 0;
      }

      return -1;
   }
   
#ifdef HAVE_MENU
   if (menu_driver_alive())
   {
      menu_handle_t *menu = menu_driver_get_ptr();
      if (menu)
         if (menu_iterate(true, menu_input_frame(input, trigger_input)) == -1)
            rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED);

      if (!input && settings->menu.pause_libretro)
        return 1;
      return rarch_limit_frame_time(settings->fastforward_ratio, sleep_ms);
   }
#endif

   if (do_state_checks(driver, settings, global, &cmd))
   {
      /* RetroArch has been paused. */
      driver->retro_ctx.poll_cb();
      *sleep_ms = 10;
      return 1;
   }

#if defined(HAVE_THREADS)
   lock_autosave();
#endif

#ifdef HAVE_NETPLAY
   if (driver->netplay_data)
      netplay_pre_frame((netplay_t*)driver->netplay_data);
#endif

   if (global->bsv.movie)
      bsv_movie_set_frame_start(global->bsv.movie);

   if (system->camera_callback.caps)
      driver_camera_poll();

   /* Update binds for analog dpad modes. */
   for (i = 0; i < settings->input.max_users; i++)
   {
      if (!settings->input.analog_dpad_mode[i])
         continue;

      input_push_analog_dpad(settings->input.binds[i],
            settings->input.analog_dpad_mode[i]);
      input_push_analog_dpad(settings->input.autoconf_binds[i],
            settings->input.analog_dpad_mode[i]);
   }

   if ((settings->video.frame_delay > 0) && !driver->nonblock_state)
      rarch_sleep(settings->video.frame_delay);

   /* Run libretro for one frame. */
   pretro_run();

   for (i = 0; i < settings->input.max_users; i++)
   {
      if (!settings->input.analog_dpad_mode[i])
         continue;

      input_pop_analog_dpad(settings->input.binds[i]);
      input_pop_analog_dpad(settings->input.autoconf_binds[i]);
   }

   if (global->bsv.movie)
      bsv_movie_set_frame_end(global->bsv.movie);

#ifdef HAVE_NETPLAY
   if (driver->netplay_data)
      netplay_post_frame((netplay_t*)driver->netplay_data);
#endif

#if defined(HAVE_THREADS)
   unlock_autosave();
#endif

   return rarch_limit_frame_time(settings->fastforward_ratio, sleep_ms);
}