handles the lods for all the indirect geometry. More...

Classes
struct	IndirectLodInfo
	structure for holding the information about a particular instance of a particular lod. More...

Public Types
typedef std::deque < IndirectLodInfo >	DequeIndirectLodInfos

typedef std::vector < IndirectLodInfo >	VectorIndirectLodInfos

typedef std::vector < DequeIndirectLodInfos >	DequeIndirectLodInfoArray

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

virtual	~DtIndirectLodManager ()
	DTOR. More...

virtual void	releaseGLObjects (osg::State *state) const
	called when the context is deleted in order to clean up GPU data More...

virtual void	addLodStacks (int perGeomInstanceIndex, int size, const DequeIndirectLodInfos &parentLodStack, const DequeIndirectLodInfoArray &lodStacks, const osg::Matrix &localOriginMatrix, const osg::Matrix &instanceTransform)
	add a vector of lod stacks to the lod management system More...

virtual void	processLods (const DtOsgShaderFilesCache *shaderFilesCache, const std::string &shaderFolderPath, const DtIndirectViewParameters &viewParameters)
	setup and run the lod compute shader which checks all lods agains the camera position to see if their children should be visible More...

virtual DtGlBuffer *	gpuLodVisibleBuffer ()
	get the buffer which has the output of the lod compute shader More...

virtual void	reloadShaders () const
	reload the compute shader shaders More...

Protected Member Functions
virtual void	addLodStack (int perGeomInstanceIndex, const DequeIndirectLodInfos &parentLodStack, const DequeIndirectLodInfos &lodStack, const osg::Matrix &localOriginMatrix, const osg::Matrix &instanceTransform)
	add a single stack to the lod info input buffer The parent stack lod centers are multiplied by the inverse local offset so they correctly gives the view position when multiplied by the model view matrix. More...

virtual void	updateLodBuffersIfNecessary ()
	send down any new lod infomation that has been recieved More...

virtual void	deleteShaders () const
	cleanup the gpu shaders More...

virtual void	deleteBuffers (void)

virtual void	tearDownBuffers (void) const

Protected Attributes
VectorIndirectLodInfos	myIndirectLodInfos

DtDe &	myDe

DtGlBuffer *	myGpuLodInfoBuffer
	The buffer containing all the lod infos for all instances managed by this manager. More...

DtGlBuffer *	myGpuLodVisibleBuffer
	The buffer containing a bool for each instance to know if it should be drawn or not. More...

bool	myMutableLodInfoDirty

DtIndirectLodProgram *	myMutableLodProgram

unsigned int	myMaxPerGeomInstanceId

Private Member Functions
	DtIndirectLodManager ()
	default constructor not implemented More...

	DtIndirectLodManager (const DtIndirectLodManager &other)
	Copy Constructor not implemented – Copy Not Allowed. More...

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

Detailed Description

handles the lods for all the indirect geometry.

sets up and runs a compute shader prepass for processing the lods contains a GPU buffer with the result which is used by the cull compute shader

Member Typedef Documentation

typedef std::deque<IndirectLodInfo> makVrv::DtIndirectLodManager::DequeIndirectLodInfos

typedef std::vector<IndirectLodInfo> makVrv::DtIndirectLodManager::VectorIndirectLodInfos

typedef std::vector<DequeIndirectLodInfos> makVrv::DtIndirectLodManager::DequeIndirectLodInfoArray

Constructor & Destructor Documentation

makVrv::DtIndirectLodManager::DtIndirectLodManager ( DtDe & de )

CTOR.

virtual makVrv::DtIndirectLodManager::~DtIndirectLodManager ( )

virtual

DTOR.

makVrv::DtIndirectLodManager::DtIndirectLodManager ( )

private

default constructor not implemented

makVrv::DtIndirectLodManager::DtIndirectLodManager ( const DtIndirectLodManager & other )

private

Copy Constructor not implemented – Copy Not Allowed.

Member Function Documentation

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

private

Assignment Operator Not implemented � Assignment Not Allowed.

virtual void makVrv::DtIndirectLodManager::releaseGLObjects ( osg::State * state ) const

virtual

called when the context is deleted in order to clean up GPU data

virtual void makVrv::DtIndirectLodManager::addLodStacks	(	int	perGeomInstanceIndex,
		int	size,
		const DequeIndirectLodInfos &	parentLodStack,
		const DequeIndirectLodInfoArray &	lodStacks,
		const osg::Matrix &	localOriginMatrix,
		const osg::Matrix &	instanceTransform
	)

virtual

add a vector of lod stacks to the lod management system

virtual void makVrv::DtIndirectLodManager::processLods	(	const DtOsgShaderFilesCache *	shaderFilesCache,
		const std::string &	shaderFolderPath,
		const DtIndirectViewParameters &	viewParameters
	)

virtual

setup and run the lod compute shader which checks all lods agains the camera position to see if their children should be visible

virtual DtGlBuffer* makVrv::DtIndirectLodManager::gpuLodVisibleBuffer ( )

virtual

get the buffer which has the output of the lod compute shader

virtual void makVrv::DtIndirectLodManager::reloadShaders ( ) const

virtual

reload the compute shader shaders

virtual void makVrv::DtIndirectLodManager::addLodStack	(	int	perGeomInstanceIndex,
		const DequeIndirectLodInfos &	parentLodStack,
		const DequeIndirectLodInfos &	lodStack,
		const osg::Matrix &	localOriginMatrix,
		const osg::Matrix &	instanceTransform
	)

protectedvirtual

add a single stack to the lod info input buffer The parent stack lod centers are multiplied by the inverse local offset so they correctly gives the view position when multiplied by the model view matrix.

The child statck lod centers are multiplied by the instance xform

virtual void makVrv::DtIndirectLodManager::updateLodBuffersIfNecessary ( )

protectedvirtual

send down any new lod infomation that has been recieved

virtual void makVrv::DtIndirectLodManager::deleteShaders ( ) const

protectedvirtual

cleanup the gpu shaders

virtual void makVrv::DtIndirectLodManager::deleteBuffers ( void )

protectedvirtual

virtual void makVrv::DtIndirectLodManager::tearDownBuffers ( void ) const

protectedvirtual

Member Data Documentation

VectorIndirectLodInfos makVrv::DtIndirectLodManager::myIndirectLodInfos

protected

DtDe& makVrv::DtIndirectLodManager::myDe

protected

DtGlBuffer* makVrv::DtIndirectLodManager::myGpuLodInfoBuffer

protected

The buffer containing all the lod infos for all instances managed by this manager.

DtGlBuffer* makVrv::DtIndirectLodManager::myGpuLodVisibleBuffer

protected

The buffer containing a bool for each instance to know if it should be drawn or not.

bool makVrv::DtIndirectLodManager::myMutableLodInfoDirty

mutableprotected

DtIndirectLodProgram* makVrv::DtIndirectLodManager::myMutableLodProgram

mutableprotected

unsigned int makVrv::DtIndirectLodManager::myMaxPerGeomInstanceId

protected

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

/data/exports/nrhent7-1/nightly/docs/vrForces.vrf4-8-branch/include/vrvOsg/DtIndirectLodManager.h

Classes

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation