/**
* init_drivers:
* @flags : Bitmask of drivers to initialize.
*
* Initializes drivers.
* @flags determines which drivers get initialized.
**/
void init_drivers(int flags)
{
driver_t *driver = driver_get_ptr();
global_t *global = global_get_ptr();
if (flags & DRIVER_VIDEO)
driver->video_data_own = false;
if (flags & DRIVER_AUDIO)
driver->audio_data_own = false;
if (flags & DRIVER_INPUT)
driver->input_data_own = false;
if (flags & DRIVER_CAMERA)
driver->camera_data_own = false;
if (flags & DRIVER_LOCATION)
driver->location_data_own = false;
#ifdef HAVE_MENU
/* By default, we want the menu to persist through driver reinits. */
driver->menu_data_own = true;
#endif
if (flags & (DRIVER_VIDEO | DRIVER_AUDIO))
driver_adjust_system_rates();
if (flags & DRIVER_VIDEO)
{
init_video();
if (!driver->video_cache_context_ack
&& global->system.hw_render_callback.context_reset)
global->system.hw_render_callback.context_reset();
driver->video_cache_context_ack = false;
global->system.frame_time_last = 0;
}
if (flags & DRIVER_AUDIO)
init_audio();
/* Only initialize camera driver if we're ever going to use it. */
if ((flags & DRIVER_CAMERA) && driver->camera_active)
init_camera();
/* Only initialize location driver if we're ever going to use it. */
if ((flags & DRIVER_LOCATION) && driver->location_active)
init_location();
#ifdef HAVE_MENU
menu_update_libretro_info();
if (flags & DRIVER_MENU)
{
init_menu();
menu_driver_context_reset();
}
#endif
if (flags & (DRIVER_VIDEO | DRIVER_AUDIO))
{
/* Keep non-throttled state as good as possible. */
if (driver->nonblock_state)
driver_set_nonblock_state(driver->nonblock_state);
}
}
/**
* driver_set_refresh_rate:
* @hz : New refresh rate for monitor.
*
* Sets monitor refresh rate to new value by calling
* video_monitor_set_refresh_rate(). Subsequently
* calls audio_monitor_set_refresh_rate().
**/
void driver_set_refresh_rate(float hz)
{
video_monitor_set_refresh_rate(hz);
audio_monitor_set_refresh_rate();
driver_adjust_system_rates();
}
/**
* 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();
}
bool driver_ctl(enum driver_ctl_state state, void *data)
{
switch (state)
{
case RARCH_DRIVER_CTL_DEINIT:
video_driver_destroy();
audio_driver_destroy();
input_driver_destroy();
#ifdef HAVE_MENU
menu_driver_destroy();
#endif
location_driver_ctl(RARCH_LOCATION_CTL_DESTROY, NULL);
camera_driver_ctl(RARCH_CAMERA_CTL_DESTROY, NULL);
wifi_driver_ctl(RARCH_WIFI_CTL_DESTROY, NULL);
core_uninit_libretro_callbacks();
break;
case RARCH_DRIVER_CTL_INIT_PRE:
audio_driver_find_driver();
video_driver_find_driver();
input_driver_find_driver();
camera_driver_ctl(RARCH_CAMERA_CTL_FIND_DRIVER, NULL);
wifi_driver_ctl(RARCH_WIFI_CTL_FIND_DRIVER, NULL);
find_location_driver();
#ifdef HAVE_MENU
menu_driver_ctl(RARCH_MENU_CTL_FIND_DRIVER, NULL);
#endif
break;
case RARCH_DRIVER_CTL_SET_REFRESH_RATE:
{
float *hz = (float*)data;
video_monitor_set_refresh_rate(*hz);
audio_driver_monitor_set_rate();
driver_adjust_system_rates();
}
break;
case RARCH_DRIVER_CTL_UPDATE_SYSTEM_AV_INFO:
{
const struct retro_system_av_info **info = (const struct retro_system_av_info**)data;
if (info)
return driver_update_system_av_info(*info);
}
return false;
case RARCH_DRIVER_CTL_FIND_FIRST:
{
driver_ctx_info_t *drv = (driver_ctx_info_t*)data;
if (!drv)
return false;
return driver_find_first(drv->label, drv->s, drv->len);
}
case RARCH_DRIVER_CTL_FIND_LAST:
{
driver_ctx_info_t *drv = (driver_ctx_info_t*)data;
if (!drv)
return false;
return driver_find_last(drv->label, drv->s, drv->len);
}
case RARCH_DRIVER_CTL_FIND_PREV:
{
driver_ctx_info_t *drv = (driver_ctx_info_t*)data;
if (!drv)
return false;
return driver_find_prev(drv->label, drv->s, drv->len);
}
case RARCH_DRIVER_CTL_FIND_NEXT:
{
driver_ctx_info_t *drv = (driver_ctx_info_t*)data;
if (!drv)
return false;
return driver_find_next(drv->label, drv->s, drv->len);
}
case RARCH_DRIVER_CTL_FIND_INDEX:
{
driver_ctx_info_t *drv = (driver_ctx_info_t*)data;
if (!drv)
return false;
drv->len = driver_find_index(drv->label, drv->s);
}
break;
case RARCH_DRIVER_CTL_NONE:
default:
break;
}
return true;
}
/**
* 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);
}
}
