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55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_VR_PROXY_ORIENTATION_FALLBACK_H
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#define GFX_VR_PROXY_ORIENTATION_FALLBACK_H
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#include "VRDeviceProxy.h"
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#include "mozilla/HalSensor.h"
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#include "mozilla/HalScreenConfiguration.h"
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namespace mozilla {
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namespace gfx {
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class VRDeviceProxyOrientationFallBack : public VRDeviceProxy
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, public hal::ISensorObserver
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, public hal::ScreenConfigurationObserver
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{
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public:
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explicit VRDeviceProxyOrientationFallBack(const VRDeviceUpdate& aDeviceUpdate);
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virtual void ZeroSensor() override;
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virtual VRHMDSensorState GetSensorState() override;
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virtual VRHMDSensorState GetImmediateSensorState() override;
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// ISensorObserver interface
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void Notify(const hal::SensorData& SensorData) override;
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// ScreenConfigurationObserver interface
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void Notify(const hal::ScreenConfiguration& ScreenConfiguration) override;
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protected:
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virtual ~VRDeviceProxyOrientationFallBack();
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void StartSensorTracking();
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void StopSensorTracking();
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void ComputeStateFromLastSensor();
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uint32_t mOrient;
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Quaternion mScreenTransform;
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Quaternion mSensorZeroInverse;
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Quaternion mSavedLastSensor;
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double mSavedLastSensorTime;
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bool mNeedsSensorCompute; // if we need to compute the state from mSavedLastSensor
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bool mTracking;
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};
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} // namespace gfx
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} // namespace mozilla
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#endif /* GFX_VR_PROXY_ORIENTATION_FALLBACK_H */ |