1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.hardware.vr@1.0; 18 19 interface IVr { 20 /** 21 * Convenience method to set up any state needed at runtime startup. This is 22 * called once from the VrManagerService during its boot phase. 23 */ 24 @callflow(next={"*"}) 25 @entry 26 @exit 27 init(); 28 29 /** 30 * Set the VR mode state. Possible states of the enabled parameter are: 31 * false - VR mode is disabled, turn off all VR-specific settings. 32 * true - VR mode is enabled, turn on all VR-specific settings. 33 * 34 * This must be called whenever the the Android system enters or leaves VR 35 * mode. This will typically occur when the user switches to or from a VR 36 * application that is doing stereoscopic rendering. 37 */ 38 @callflow(next={"*"}) 39 @exit 40 setVrMode(bool enabled); 41 }; 42
