An abstract interface that provides VR System API services. More...

Inheritance diagram for makVrv::DtVirtualRealityProvider:

Public Member Functions
	DtVirtualRealityProvider (DtDe &de)
	CTOR. More...

virtual	~DtVirtualRealityProvider ()
	DTOR. More...

virtual DtSubmitOverlayCallback *	createOverlayCallback (osg::Texture2D *tex, DtDe &de, DtVirtualRealityDriver &driver)=0
	create a system specific overlay callback More...

virtual DtSubmitViewCallback *	createViewCallback (DtVirtualRealityPostProcessor &pp, DtVirtualRealityDriver &driver, vrvVirtualReality::DtEye eye)=0
	create a system specific view callback More...

virtual const std::string &	providerName ()=0
	get the name of this VR System provider More...

virtual const std::string &	deviceName ()=0
	some systems can support multiple devices. Get the name of the attached device More...

virtual bool	initializeVR ()=0
	initialize the VR subsystem More...

virtual bool	hasFocusViews ()=0
	does this headset support focus views More...

virtual bool	useVrs ()=0
	should we use variable rate shading More...

virtual DtVariableRateShadingImageUpdater *	findVrsUpdater (DtVirtualRealityChannel *channel)=0
	return a vrs updater allocating it if needed More...

virtual void	getRecommendedRenderTargetSize (int &width, int &height, vrvVirtualReality::DtEye whichEye)=0
	get recommended VR target size More...

virtual void	getProjectionAngles (vrvVirtualReality::DtEye eye, double &left, double &right, double &bottom, double &top, double znear, double zfar)=0
	get recommended projection frustum angles in degrees. Znear and zFar are passed in More...

virtual osg::Matrixd	getEyeToHeadTransform (vrvVirtualReality::DtEye eye)=0
	get the head to eye transform More...

virtual void	tick ()=0
	update the VR system More...

virtual bool	getHmdPose (DtVector &pos, DtQuat &ori)=0
	get the HMD pose More...

virtual bool	getTrackedPose (DtVector &pos, DtQuat &ori, int index)=0
	get the pose of a tracked item More...

virtual bool	reset ()=0
	reset the HMD More...

virtual bool	shutdown ()=0
	shutdown the VR subsystem More...

virtual bool	hasTrackedCamera ()=0
	check if there is a tracked camera More...

virtual DtTrackedCamera *	findTrackedCamera ()=0
	get the tracked camera of the VR system. More...

virtual DtMixedRealityMask *	findMixedRealityMask ()=0
	return the mixed reality mask object allocating one if not already allocated will return zero for providers that don't support mixed reality More...

Protected Attributes
DtDe &	myDe

DtTrackedCamera *	myTrackedCamera

DtMixedRealityMask *	myMixedRealityMask

Private Member Functions
	DtVirtualRealityProvider (const DtVirtualRealityProvider &other)
	Copy Constructor not implemented – Copy Not Allowed. More...

DtVirtualRealityProvider &	operator= (const DtVirtualRealityProvider &other)
	Assignment Operator Not implemented � Assignment Not Allowed. More...

Detailed Description

An abstract interface that provides VR System API services.

Providers are created and provided to the DtVirtualRealityDriver for use. Derived classes will have a static isVrSupported() function that can be used to know if the right equipment and software are present for use.

Constructor & Destructor Documentation

makVrv::DtVirtualRealityProvider::DtVirtualRealityProvider ( const DtVirtualRealityProvider & other )

private

Copy Constructor not implemented – Copy Not Allowed.

makVrv::DtVirtualRealityProvider::DtVirtualRealityProvider ( DtDe & de )

CTOR.

virtual makVrv::DtVirtualRealityProvider::~DtVirtualRealityProvider ( )

virtual

DTOR.

Member Function Documentation

DtVirtualRealityProvider& makVrv::DtVirtualRealityProvider::operator= ( const DtVirtualRealityProvider & other )

private

Assignment Operator Not implemented � Assignment Not Allowed.

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

pure virtual

create a system specific overlay callback

Implemented in makVrv::DtVarjoProvider, makVrv::DtOpenVRProvider, makVrv::DtOculusProvider, and makVrv::DtDesktopProvider.

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

pure virtual

create a system specific view callback

Implemented in makVrv::DtVarjoProvider, makVrv::DtOpenVRProvider, makVrv::DtOculusProvider, and makVrv::DtDesktopProvider.

virtual const std::string& makVrv::DtVirtualRealityProvider::providerName ( )

pure virtual

get the name of this VR System provider

Implemented in makVrv::DtVarjoProvider, makVrv::DtOpenVRProvider, makVrv::DtOculusProvider, and makVrv::DtDesktopProvider.

virtual const std::string& makVrv::DtVirtualRealityProvider::deviceName ( )

pure virtual

some systems can support multiple devices. Get the name of the attached device

Implemented in makVrv::DtVarjoProvider, makVrv::DtOpenVRProvider, makVrv::DtOculusProvider, and makVrv::DtDesktopProvider.

virtual bool makVrv::DtVirtualRealityProvider::initializeVR ( )

pure virtual

initialize the VR subsystem

Implemented in makVrv::DtVarjoProvider, makVrv::DtOpenVRProvider, makVrv::DtOculusProvider, and makVrv::DtDesktopProvider.

virtual bool makVrv::DtVirtualRealityProvider::hasFocusViews ( )

pure virtual

does this headset support focus views

Implemented in makVrv::DtVarjoProvider, makVrv::DtOpenVRProvider, makVrv::DtOculusProvider, and makVrv::DtDesktopProvider.

virtual bool makVrv::DtVirtualRealityProvider::useVrs ( )

pure virtual

should we use variable rate shading

Implemented in makVrv::DtVarjoProvider, makVrv::DtOpenVRProvider, makVrv::DtOculusProvider, and makVrv::DtDesktopProvider.

virtual DtVariableRateShadingImageUpdater* makVrv::DtVirtualRealityProvider::findVrsUpdater ( DtVirtualRealityChannel * channel )

pure virtual

return a vrs updater allocating it if needed

Implemented in makVrv::DtVarjoProvider, makVrv::DtOpenVRProvider, makVrv::DtOculusProvider, and makVrv::DtDesktopProvider.

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

pure virtual

get recommended VR target size

Implemented in makVrv::DtVarjoProvider, makVrv::DtOpenVRProvider, makVrv::DtOculusProvider, and makVrv::DtDesktopProvider.

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