Пример #1
0
/**
 * drivers_init:
 * @flags              : Bitmask of drivers to initialize.
 *
 * Initializes drivers.
 * @flags determines which drivers get initialized.
 **/
void drivers_init(int flags)
{
   bool video_is_threaded = false;

   if (flags & DRIVER_VIDEO_MASK)
      video_driver_unset_own_driver();
   if (flags & DRIVER_AUDIO_MASK)
      audio_driver_unset_own_driver();
   if (flags & DRIVER_INPUT_MASK)
      input_driver_unset_own_driver();
   if (flags & DRIVER_CAMERA_MASK)
      camera_driver_ctl(RARCH_CAMERA_CTL_UNSET_OWN_DRIVER, NULL);
   if (flags & DRIVER_LOCATION_MASK)
      location_driver_ctl(RARCH_LOCATION_CTL_UNSET_OWN_DRIVER, NULL);
   if (flags & DRIVER_WIFI_MASK)
      wifi_driver_ctl(RARCH_WIFI_CTL_UNSET_OWN_DRIVER, NULL);

#ifdef HAVE_MENU
   /* By default, we want the menu to persist through driver reinits. */
   menu_driver_ctl(RARCH_MENU_CTL_SET_OWN_DRIVER, NULL);
#endif

   if (flags & (DRIVER_VIDEO_MASK | DRIVER_AUDIO_MASK))
      driver_adjust_system_rates();

   if (flags & DRIVER_VIDEO_MASK)
   {
      struct retro_hw_render_callback *hwr =
         video_driver_get_hw_context();

      video_driver_monitor_reset();
      video_driver_init(&video_is_threaded);

      if (!video_driver_is_video_cache_context_ack()
            && hwr->context_reset)
         hwr->context_reset();
      video_driver_unset_video_cache_context_ack();

      rarch_ctl(RARCH_CTL_SET_FRAME_TIME_LAST, NULL);
   }

   if (flags & DRIVER_AUDIO_MASK)
   {
      audio_driver_init();
      audio_driver_new_devices_list();
   }

   /* Only initialize camera driver if we're ever going to use it. */
   if ((flags & DRIVER_CAMERA_MASK) && camera_driver_ctl(RARCH_CAMERA_CTL_IS_ACTIVE, NULL))
      camera_driver_ctl(RARCH_CAMERA_CTL_INIT, NULL);

   /* Only initialize location driver if we're ever going to use it. */
   if ((flags & DRIVER_LOCATION_MASK) && location_driver_ctl(RARCH_LOCATION_CTL_IS_ACTIVE, NULL))
      init_location();

   core_info_init_current_core();

#ifdef HAVE_MENU
   if (flags & DRIVER_VIDEO_MASK)
   {
      if (flags & DRIVER_MENU_MASK)
         menu_driver_init(video_is_threaded);
   }
#endif

   if (flags & (DRIVER_VIDEO_MASK | DRIVER_AUDIO_MASK))
   {
      /* Keep non-throttled state as good as possible. */
      if (input_driver_is_nonblock_state())
         driver_set_nonblock_state();
   }

   if (flags & DRIVER_LED_MASK)
   {
      led_driver_init();
   }

   if (flags & DRIVER_MIDI_MASK)
      midi_driver_init();
}
Пример #2
0
/**
 * init_drivers:
 * @flags              : Bitmask of drivers to initialize.
 *
 * Initializes drivers.
 * @flags determines which drivers get initialized.
 **/
static void init_drivers(int flags)
{
   if (flags & DRIVER_VIDEO)
      video_driver_unset_own_driver();
   if (flags & DRIVER_AUDIO)
      audio_driver_unset_own_driver();
   if (flags & DRIVER_INPUT)
      input_driver_unset_own_driver();
   if (flags & DRIVER_CAMERA)
      camera_driver_ctl(RARCH_CAMERA_CTL_UNSET_OWN_DRIVER, NULL);
   if (flags & DRIVER_LOCATION)
      location_driver_ctl(RARCH_LOCATION_CTL_UNSET_OWN_DRIVER, NULL);

#ifdef HAVE_MENU
   /* By default, we want the menu to persist through driver reinits. */
   menu_driver_ctl(RARCH_MENU_CTL_SET_OWN_DRIVER, NULL);
#endif

   if (flags & (DRIVER_VIDEO | DRIVER_AUDIO))
      driver_adjust_system_rates();

   if (flags & DRIVER_VIDEO)
   {
      struct retro_hw_render_callback *hwr =
         video_driver_get_hw_context();

      video_driver_monitor_reset();
      video_driver_init();

      if (!video_driver_is_video_cache_context_ack()
            && hwr->context_reset)
         hwr->context_reset();
      video_driver_unset_video_cache_context_ack();

      runloop_ctl(RUNLOOP_CTL_SET_FRAME_TIME_LAST, NULL);
   }

   if (flags & DRIVER_AUDIO)
   {
      audio_driver_init();
      audio_driver_new_devices_list();
   }

   /* Only initialize camera driver if we're ever going to use it. */
   if ((flags & DRIVER_CAMERA) && camera_driver_ctl(RARCH_CAMERA_CTL_IS_ACTIVE, NULL))
      camera_driver_ctl(RARCH_CAMERA_CTL_INIT, NULL);

   /* Only initialize location driver if we're ever going to use it. */
   if ((flags & DRIVER_LOCATION) && location_driver_ctl(RARCH_LOCATION_CTL_IS_ACTIVE, NULL))
      init_location();

#ifdef HAVE_MENU
   if (flags & DRIVER_MENU)
   {
      menu_driver_ctl(RARCH_MENU_CTL_INIT, NULL);
      menu_driver_ctl(RARCH_MENU_CTL_CONTEXT_RESET, NULL);
   }
#endif

   if (flags & (DRIVER_VIDEO | DRIVER_AUDIO))
   {
      /* Keep non-throttled state as good as possible. */
      if (input_driver_is_nonblock_state())
         driver_ctl(RARCH_DRIVER_CTL_SET_NONBLOCK_STATE, NULL);
   }
}