platform_hardware_interfaces/vr/1.0/IVr.hal

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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.hardware.vr@1.0;
interface IVr {
/**
* Convenience method to set up any state needed at runtime startup. This is
* called once from the VrManagerService during its boot phase.
*/
@callflow(next={"*"})
@entry
@exit
init();
/**
* Set the VR mode state. Possible states of the enabled parameter are:
* false - VR mode is disabled, turn off all VR-specific settings.
* true - VR mode is enabled, turn on all VR-specific settings.
*
* This must be called whenever the the Android system enters or leaves VR
* mode. This will typically occur when the user switches to or from a VR
* application that is doing stereoscopic rendering.
*/
@callflow(next={"*"})
@exit
setVrMode(bool enabled);
};