A Varjo implementation of the DtVirtualRealityProvider abstract base class.

Inheritance diagram for makVrv::DtVarjoProvider:

Classes
struct	ViewSettings

Public Member Functions
	DtVarjoProvider (DtDe &de)

virtual	~DtVarjoProvider ()

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

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

virtual DtBeginFrameCallback *	createBeginFrameCallback (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 DtSwapChain *	allocateSwapChain (vrvVirtualReality::DtEye whichEye, bool isOverlay)

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	commitEyeTexture (osg::RenderInfo &renderInfo, DtSwapChain *swapChain)

virtual void	commitHudTexture (osg::RenderInfo &renderInfo, DtSwapChain *swapChain)

virtual void	updateOverlayDimensions (float width, float height, float distance, int pixWidth, int pixHeight)

virtual void	tick ()

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

virtual void	setHmdPoseOffset (const DtVector &pos, const DtQuat &ori)

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

virtual const std::unordered_map< int64_t, DtTrackedMarker > &	getTrackedMarkers () const

virtual bool	reset ()

virtual void	triggerAction1 ()

virtual bool	shutdown ()

virtual bool	hasTrackedCamera ()

virtual DtTrackedCamera *	findTrackedCamera ()

virtual DtMixedRealityMask *	findMixedRealityMask ()

virtual vrvVirtualReality::DtVrOverlayMode	overlayMode ()

virtual void	startMixedReality ()

virtual void	stopMixedReality ()

virtual bool	supportsMixedReality ()

virtual bool	supportsDepthBufferSubmission ()

virtual bool	supportsRealWorldDepthTesting ()

virtual void	startRealWorldDepthTesting ()

virtual void	stopRealWorldDepthTesting ()

void	setOverlayEnabled (bool enabled)

void	calibrateEyeTracking ()

varjo_Session *	findVarjoSystem () const

Public Member Functions inherited from makVrv::DtVirtualRealityProvider
	DtVirtualRealityProvider (DtDe &de)

virtual	~DtVirtualRealityProvider ()

virtual bool	mixedRealityRunning () const

virtual bool	realWorldDepthTestingEnabled () const

Static Public Member Functions
static bool	isVrAvailable ()

Public Attributes
friend	DtVarjoBeginFrameCallback

friend	DtVarjoWaitForSyncThread

Protected Member Functions
void	invokeWaitForSyncOp ()

void	blockTillWaitForSyncComplete ()

virtual void	beginFrame ()

virtual void	beginRendering ()

virtual void	endRendering ()

virtual void	initViewports ()

void	commitEyeTexture (unsigned int viewIndex, varjo_Viewport &viewPort, int layer, varjo_SwapChain swapChain, varjo_SwapChain depthSwapChain)

void	commitHudTexture (unsigned int viewIndex, varjo_Viewport viewPort, varjo_SwapChain *swapChain)

virtual void	updateEyeProjections ()

virtual void	updateEyeProjections (unsigned int viewIndex, DtVirtualRealityChannel *vrChannel, unsigned int layer, bool updateVarjoViewOnly=false, bool isHudView=false)

varjo_Viewport	calculateFocusRect (varjo_Viewport contextViewport, const double focusProjectionMatrix[16], const double contextProjectionMatrix[16])

varjo_Error	initGaze ()

bool	getGazeNormalizedCoords (const osg::Matrixd &leftProjection, const osg::Matrixd &rightProjection, osg::Vec2 left, osg::Vec2 right) const

Protected Attributes
varjo_Session *	myVarjoSession

int32_t	myViewCount

std::vector< varjo_Viewport >	myViewports

std::vector< ViewSettings >	myViewSettings

bool	myUseDepthLayers

std::vector < varjo_LayerMultiProjView >	myMultiprojectionViews

std::vector < varjo_ViewExtensionDepth >	myExtDepthViews

std::vector < varjo_ViewExtensionDepthTestRange >	myExtDepthTestRangeViews

std::vector < varjo_LayerMultiProjView >	myHudViews

varjo_FrameInfo *	myFrameInfo

std::string	myDeviceName

bool	myEyeTrackingInitalized

bool	myHaveCalibratedEyeTracking

osg::Vec3d	myHmdPostionOffset

osg::Quat	myHmdRotationOffset

varjo_World *	myVarjoWorld

std::unordered_map< int64_t, DtTrackedMarker >	myTrackedMarkers

DtVarjoWaitForSyncThread *	myWaitForSyncThread

Protected Attributes inherited from makVrv::DtVirtualRealityProvider
DtDe &	myDe

DtVirtualRealityDriver *	myDriverHandle

DtTrackedCamera *	myTrackedCamera

DtMixedRealityMask *	myMixedRealityMask

bool	myMixedRealityRunning

bool	myRealWorldDepthTestingEnabled

std::map < DtVirtualRealityChannel *, osg::ref_ptr < DtVariableRateShadingImageUpdater > >	myChannelVrsUpdaters

Private Member Functions
	DtVarjoProvider ()

	DtVarjoProvider (const DtVarjoProvider &)

DtVarjoProvider &	operator= (const DtVarjoProvider &)

Constructor & Destructor Documentation

makVrv::DtVarjoProvider::DtVarjoProvider ( DtDe & de )

CTOR.

virtual makVrv::DtVarjoProvider::~DtVarjoProvider ( )

virtual

DTOR.

makVrv::DtVarjoProvider::DtVarjoProvider ( )

private

default CTOR.

makVrv::DtVarjoProvider::DtVarjoProvider ( const DtVarjoProvider & )

private

default copy constructor

Member Function Documentation

DtVarjoProvider& makVrv::DtVarjoProvider::operator= ( const DtVarjoProvider & )

private

assignment operator

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

virtual

create a system specific overlay callback

Implements makVrv::DtVirtualRealityProvider.

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

virtual

create a system specific view callback

Implements makVrv::DtVirtualRealityProvider.

virtual DtBeginFrameCallback* makVrv::DtVarjoProvider::createBeginFrameCallback	(	DtVirtualRealityDriver &	driver,
		vrvVirtualReality::DtEye	eye
	)

virtual

create a system specific camera predraw callback

Reimplemented from makVrv::DtVirtualRealityProvider.

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

virtual

get the name of this VR System provider

Implements makVrv::DtVirtualRealityProvider.

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

virtual

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

Implements makVrv::DtVirtualRealityProvider.

virtual bool makVrv::DtVarjoProvider::initializeVR ( )

virtual

initialize the VR subsystem

Implements makVrv::DtVirtualRealityProvider.

virtual bool makVrv::DtVarjoProvider::hasFocusViews ( )

virtual

does this headset support focus views

Implements makVrv::DtVirtualRealityProvider.

virtual bool makVrv::DtVarjoProvider::useVrs ( )

virtual

should we use variable rate shading

Implements makVrv::DtVirtualRealityProvider.

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

virtual

return a vrs updater allocating it if needed

Implements makVrv::DtVirtualRealityProvider.

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

virtual

get recommended VR target size

Implements makVrv::DtVirtualRealityProvider.

virtual DtSwapChain* makVrv::DtVarjoProvider::allocateSwapChain	(	vrvVirtualReality::DtEye	whichEye,
		bool	isOverlay
	)

virtual

allocate a swapchain for this provider

Implements makVrv::DtVirtualRealityProvider.

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

virtual

get recommended projection frustum angles in degrees. Znear and zFar are passed in

Implements makVrv::DtVirtualRealityProvider.

virtual osg::Matrixd makVrv::DtVarjoProvider::getEyeToHeadTransform ( vrvVirtualReality::DtEye eye )

virtual

get the head to eye transform

Implements makVrv::DtVirtualRealityProvider.

virtual void makVrv::DtVarjoProvider::commitEyeTexture	(	osg::RenderInfo &	renderInfo,
		DtSwapChain *	swapChain
	)

virtual

provider specific commit of eye texture to the HMD

Implements makVrv::DtVirtualRealityProvider.

virtual void makVrv::DtVarjoProvider::commitHudTexture	(	osg::RenderInfo &	renderInfo,
		DtSwapChain *	swapChain
	)

virtual

provider specific commit of hud texture to the HMD

Implements makVrv::DtVirtualRealityProvider.

virtual void makVrv::DtVarjoProvider::updateOverlayDimensions	(	float	width,
		float	height,
		float	distance,
		int	pixWidth,
		int	pixHeight
	)

virtual

update hud overlay dimensions

Implements makVrv::DtVirtualRealityProvider.

virtual void makVrv::DtVarjoProvider::tick ( )

virtual

update the VR system

Implements makVrv::DtVirtualRealityProvider.

virtual bool makVrv::DtVarjoProvider::getHmdPose	(	DtVector &	pos,
		DtQuat &	ori
	)

virtual

get the HMD pose

Implements makVrv::DtVirtualRealityProvider.

virtual void makVrv::DtVarjoProvider::setHmdPoseOffset	(	const DtVector &	pos,
		const DtQuat &	ori
	)

virtual

set an constant offset to the hmd pose

Implements makVrv::DtVirtualRealityProvider.

virtual bool makVrv::DtVarjoProvider::getTrackedPose	(	DtVector &	pos,
		DtQuat &	ori,
		int	index
	)

virtual

get the pose of a tracked item

Implements makVrv::DtVirtualRealityProvider.

virtual const std::unordered_map<int64_t, DtTrackedMarker>& makVrv::DtVarjoProvider::getTrackedMarkers ( ) const

virtual

returns the map of currently tracked markers

virtual bool makVrv::DtVarjoProvider::reset ( )

virtual

reset the HMD

Implements makVrv::DtVirtualRealityProvider.

virtual void makVrv::DtVarjoProvider::triggerAction1 ( )

virtual

trigger generic action, for varjo that tiggers an eye calibration

Reimplemented from makVrv::DtVirtualRealityProvider.

virtual bool makVrv::DtVarjoProvider::shutdown ( )

virtual

shutdown the VR subsystem

Implements makVrv::DtVirtualRealityProvider.

virtual bool makVrv::DtVarjoProvider::hasTrackedCamera ( )

virtual

check if there is a tracked camera

Implements makVrv::DtVirtualRealityProvider.

virtual DtTrackedCamera* makVrv::DtVarjoProvider::findTrackedCamera ( )

virtual

get the tracked camera of the VR system.

Implements makVrv::DtVirtualRealityProvider.

virtual DtMixedRealityMask* makVrv::DtVarjoProvider::findMixedRealityMask ( )

virtual

create a mixed reality mask allowing provider specific implementations

Implements makVrv::DtVirtualRealityProvider.

virtual vrvVirtualReality::DtVrOverlayMode makVrv::DtVarjoProvider::overlayMode ( )

virtual

should the overlay be rendered as strereo to another render texture

Reimplemented from makVrv::DtVirtualRealityProvider.

virtual void makVrv::DtVarjoProvider::startMixedReality ( )

virtual

start mixed reality camera and blending etc

Reimplemented from makVrv::DtVirtualRealityProvider.

virtual void makVrv::DtVarjoProvider::stopMixedReality ( )

virtual

stop mixed reality camera and blending etc

Reimplemented from makVrv::DtVirtualRealityProvider.

virtual bool makVrv::DtVarjoProvider::supportsMixedReality ( )

virtual

reuturns true if the headset is capable of supporting mixed reality

Reimplemented from makVrv::DtVirtualRealityProvider.

virtual bool makVrv::DtVarjoProvider::supportsDepthBufferSubmission ( )

virtual

\ breif returns true if the headset supports depth buffer submission for positional warp etc

Reimplemented from makVrv::DtVirtualRealityProvider.

virtual bool makVrv::DtVarjoProvider::supportsRealWorldDepthTesting ( )

virtual

\ breif returns true if the headset supports depth testing against the real world

Reimplemented from makVrv::DtVirtualRealityProvider.

virtual void makVrv::DtVarjoProvider::startRealWorldDepthTesting ( )

virtual

\ breif start performing real world depth testing

Reimplemented from makVrv::DtVirtualRealityProvider.

virtual void makVrv::DtVarjoProvider::stopRealWorldDepthTesting ( )

virtual

\ breif stop performing real world depth testing

Reimplemented from makVrv::DtVirtualRealityProvider.

void makVrv::DtVarjoProvider::setOverlayEnabled ( bool enabled )

set whether or not the overlay is enabled and submitted to the Varjo system

void makVrv::DtVarjoProvider::calibrateEyeTracking ( )

varjo_Session* makVrv::DtVarjoProvider::findVarjoSystem ( ) const

non-virtual functions provide Varjo specific functionality.

return the Varjo specific session

static bool makVrv::DtVarjoProvider::isVrAvailable ( )

static

Is this VR system available and an HMD connected for use. May be called without instantiating the provider.

void makVrv::DtVarjoProvider::invokeWaitForSyncOp ( )

protected

function run on seperate thread to perform varjo waitSync

void makVrv::DtVarjoProvider::blockTillWaitForSyncComplete ( )

protected

wait for the waitforsync thread to complete

virtual void makVrv::DtVarjoProvider::beginFrame ( )

protectedvirtual

pretick signal call to begin the frame

virtual void makVrv::DtVarjoProvider::beginRendering ( )

protectedvirtual

postupdate renderer call to begin rendering

virtual void makVrv::DtVarjoProvider::endRendering ( )

protectedvirtual

posttick signal call to end rendering

virtual void makVrv::DtVarjoProvider::initViewports ( )

protectedvirtual

initialize the VR viewports

void makVrv::DtVarjoProvider::commitEyeTexture	(	unsigned int	viewIndex,
		varjo_Viewport &	viewPort,
		int	layer,
		varjo_SwapChain *	swapChain,
		varjo_SwapChain *	depthSwapChain
	)

protected

internal commit an eye texture to the Varjo system

void makVrv::DtVarjoProvider::commitHudTexture	(	unsigned int	viewIndex,
		varjo_Viewport	viewPort,
		varjo_SwapChain *	swapChain
	)

protected

internal commit a hud texture to the varjo system

virtual void makVrv::DtVarjoProvider::updateEyeProjections ( )

protectedvirtual

relays projection and eye transforms from varjo to channels/views.

virtual void makVrv::DtVarjoProvider::updateEyeProjections	(	unsigned int	viewIndex,
		DtVirtualRealityChannel *	vrChannel,
		unsigned int	layer,
		bool	updateVarjoViewOnly = `false`,
		bool	isHudView = `false`
	)

protectedvirtual

relays projection and eye transforms from varjo to a specific channel

varjo_Viewport makVrv::DtVarjoProvider::calculateFocusRect	(	varjo_Viewport	contextViewport,
		const double	focusProjectionMatrix[16],
		const double	contextProjectionMatrix[16]
	)

protected

calculate a new focus rect based on the context rect and projection matrix

varjo_Error makVrv::DtVarjoProvider::initGaze ( )

protected

initalise the varjo gaze tracking

bool makVrv::DtVarjoProvider::getGazeNormalizedCoords	(	const osg::Matrixd &	leftProjection,
		const osg::Matrixd &	rightProjection,
		osg::Vec2 *	left,
		osg::Vec2 *	right
	)		const

protected

brief calculate normalised gaze coords

Member Data Documentation

friend makVrv::DtVarjoProvider::DtVarjoBeginFrameCallback

friend makVrv::DtVarjoProvider::DtVarjoWaitForSyncThread

varjo_Session* makVrv::DtVarjoProvider::myVarjoSession

protected

int32_t makVrv::DtVarjoProvider::myViewCount

protected

std::vector<varjo_Viewport> makVrv::DtVarjoProvider::myViewports

protected

std::vector<ViewSettings> makVrv::DtVarjoProvider::myViewSettings

protected

bool makVrv::DtVarjoProvider::myUseDepthLayers

protected

std::vector<varjo_LayerMultiProjView> makVrv::DtVarjoProvider::myMultiprojectionViews

protected

std::vector<varjo_ViewExtensionDepth> makVrv::DtVarjoProvider::myExtDepthViews

protected

std::vector<varjo_ViewExtensionDepthTestRange> makVrv::DtVarjoProvider::myExtDepthTestRangeViews

protected

std::vector<varjo_LayerMultiProjView> makVrv::DtVarjoProvider::myHudViews

protected

varjo_FrameInfo* makVrv::DtVarjoProvider::myFrameInfo

protected

std::string makVrv::DtVarjoProvider::myDeviceName

protected

bool makVrv::DtVarjoProvider::myEyeTrackingInitalized

protected

bool makVrv::DtVarjoProvider::myHaveCalibratedEyeTracking

protected

osg::Vec3d makVrv::DtVarjoProvider::myHmdPostionOffset

protected

osg::Quat makVrv::DtVarjoProvider::myHmdRotationOffset

protected

varjo_World* makVrv::DtVarjoProvider::myVarjoWorld

protected

std::unordered_map<int64_t, DtTrackedMarker> makVrv::DtVarjoProvider::myTrackedMarkers

protected

DtVarjoWaitForSyncThread* makVrv::DtVarjoProvider::myWaitForSyncThread

protected

The documentation for this class was generated from the following file:

/data/exports/nrhent7-1/nightly/docs/vrForces.vrf5-0-branch/include/vrvVirtualReality/DtVarjoProvider.h

Classes

Public Member Functions

Static Public Member Functions

Public Attributes

Protected Member Functions

Protected Attributes

Private Member Functions

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation