direct_buffer_state
direct_buffer_state buffer_state;
print_direct_buffer_state(const direct_buffer_state &state)
DirectWindowInfo::SetState(direct_buffer_state bufferState,
status_t SetState(direct_buffer_state bufferState,
(direct_buffer_state)bufferState, (direct_driver_state)driverState,
state_to_string(direct_buffer_state state)