////  Created by Bradley Austin Davis on 2018/11/15//  Copyright 2013-2018 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html//#pragma once #include <display-plugins/hmd/HmdDisplayPlugin.h> #include <EGL/egl.h> #include <QTimer>#include <QtPlatformHeaders/QEGLNativeContext>#include <QtAndroidExtras/QAndroidJniObject> #include <gl/Context.h>#include <ovr/VrHandler.h> typedef struct ovrTextureSwapChain ovrTextureSwapChain;typedef struct ovrMobile ovrMobile;typedef struct ANativeWindow ANativeWindow; class OculusMobileDisplayPlugin : public HmdDisplayPlugin, public ovr::VrHandler {    using Parent = HmdDisplayPlugin;public:    OculusMobileDisplayPlugin();    virtual ~OculusMobileDisplayPlugin();    bool isSupported() const override { return true; };    bool hasAsyncReprojection() const override { return true; }    bool getSupportsAutoSwitch() override final { return false; }    QThread::Priority getPresentPriority() override { return QThread::TimeCriticalPriority; }     glm::mat4 getEyeProjection(Eye eye, const glm::mat4& baseProjection) const override;    glm::mat4 getCullingProjection(const glm::mat4& baseProjection) const override;     // Stereo specific methods    void resetSensors() override final;    bool beginFrameRender(uint32_t frameIndex) override;     QRectF getPlayAreaRect() override;    float getTargetFrameRate() const override;    void init() override;    void deinit() override; protected:    const QString getName() const override { return NAME; }     bool internalActivate() override;    void internalDeactivate() override;     void customizeContext() override;    void uncustomizeContext() override;     void updatePresentPose() override;    void internalPresent() override;    void hmdPresent() override { throw std::runtime_error("Unused"); }    bool isHmdMounted() const override;    bool alwaysPresent() const override { return true; }     static const char* NAME;    mutable gl::Context* _mainContext{ nullptr };    uint32_t _readFbo;};