DtDesktopProvider.h

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/******************************************************************************
** Copyright (c) 2020 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvVirtualReality/vrvVirtualReality.h>
#include <vrvVirtualReality/DtVirtualRealityProvider.h>

#include <vrvUtil/DtQuat.h>
#include <matrix/vlVector.h>

#include <osg/Matrixd>

#include <string>

#include "OVR_CAPI.h"

namespace makVrv
{

   class DT_DLL_VRVVR DtDesktopProvider : public DtVirtualRealityProvider
   {
   private:
      DtDesktopProvider();

      DtDesktopProvider(const DtDesktopProvider&);

      DtDesktopProvider& operator=(const DtDesktopProvider&);

   public: 
      static bool isVrAvailable();
   public:
      DtDesktopProvider(DtDe& de);

      virtual ~DtDesktopProvider();

      virtual DtSubmitOverlayCallback* createOverlayCallback(osg::Texture2D* tex, DtDe& de, DtVirtualRealityDriver& driver);

      virtual DtSubmitViewCallback* createViewCallback(DtVirtualRealityPostProcessor& pp, DtVirtualRealityDriver& driver, vrvVirtualReality::DtEye eye);

      virtual const std::string& providerName();

      virtual const std::string& deviceName();

      virtual bool initializeVR();

      virtual bool hasFocusViews();

      virtual bool useVrs();

      virtual DtVariableRateShadingImageUpdater* findVrsUpdater(DtVirtualRealityChannel* channel);

      virtual void getRecommendedRenderTargetSize(int& width, int& height, vrvVirtualReality::DtEye whichEye);

      virtual void getProjectionAngles(vrvVirtualReality::DtEye eye, double& left, double& right, double& bottom, double& top, double znear, double zfar);

      virtual osg::Matrixd getEyeToHeadTransform(vrvVirtualReality::DtEye eye);

      virtual void tick();

      virtual bool getHmdPose(DtVector& pos, DtQuat& ori);

      virtual bool getTrackedPose(DtVector& pos, DtQuat& ori, int index);

      virtual bool reset();

      virtual bool shutdown();

      virtual bool hasTrackedCamera();

      virtual DtTrackedCamera* findTrackedCamera();

      virtual DtMixedRealityMask* findMixedRealityMask();

      void eyeCreated();

   protected:
      void errorAndStop();

      int myWidth;
      int myHeight;
      long long myFrameIndex;
      bool myFrameBegan;
      int myEyesCreated;

      bool myHudEnabled;
   };
}