#include <OcclusionBVHBuilder.hpp>

Inherits FW::SplitBVHBuilder.

Classes
struct	NodeSpecOcl

struct	ObjectSplitOcl

struct	SpatialBinOcl

struct	SpatialSplitOcl

Public Member Functions
	OcclusionBVHBuilder (BVH &bvh, const BVH::BuildParams &params, const Vec3f &cameraPosition)

virtual	~OcclusionBVHBuilder (void)

virtual BVHNode *	run (void)

Public Member Functions inherited from FW::SplitBVHBuilder
	SplitBVHBuilder (BVH &bvh, const BVH::BuildParams &params)
	Constructor. More...

	~SplitBVHBuilder (void)
	Destructor. More...

BVHNode *	run (void)
	Performs the actual build. More...

void	splitReference (Reference &left, Reference &right, const Reference &ref, int dim, F32 pos)
	Splits the triangle's bounding box. More...

Static Public Member Functions
static bool	sortCompare (void *data, int idxA, int idxB)

Static Public Member Functions inherited from FW::SplitBVHBuilder
static bool	sortCompare (void *data, int idxA, int idxB)
	Sort comparator. Sorts references according to their position in descending order. For details see framework/base.Sort.hpp. More...

static void	sortSwap (void *data, int idxA, int idxB)
	Sort swap function. Swaps two references placed in the reference stack. For details see framework/base.Sort.hpp. More...

Protected Types
enum	{ MaxVisibleDepth = 48 }

Protected Types inherited from FW::SplitBVHBuilder
enum	{ MaxDepth = 64, MaxSpatialDepth = 48, NumSpatialBins = 128 }
	Several tree build constrains. More...

Protected Member Functions
BVHNode *	buildNode (const NodeSpecOcl &spec, int start, int end, int level, F32 progressStart, F32 progressEnd)

ObjectSplitOcl	findObjectSplit (const NodeSpecOcl &spec, int start, int end, F32 nodeSAH)

ObjectSplitOcl	findObjectOccludeSplit (const NodeSpecOcl &spec, int start, int end, F32 nodeSAH)

void	performObjectSplit (NodeSpecOcl &left, NodeSpecOcl &right, const NodeSpecOcl &spec, int start, int end, const ObjectSplitOcl &split)

SpatialSplitOcl	findSpatialSplit (const NodeSpecOcl &spec, int start, int end, F32 nodeSAH)

SpatialSplitOcl	findSpatialOccludeSplit (const NodeSpecOcl &spec, int start, int end, F32 nodeSAH)

void	performSpatialOccludeSplit (NodeSpecOcl &left, NodeSpecOcl &right, int &start, int &end, const SpatialSplitOcl &split)

Protected Member Functions inherited from FW::SplitBVHBuilder
BVHNode *	buildNode (NodeSpec spec, int level, F32 progressStart, F32 progressEnd)
	Builds a BVH node. The built node may be an inner node as well as a leaf node. More...

BVHNode *	createLeaf (const NodeSpec &spec)
	Builds a leaf node. More...

ObjectSplit	findObjectSplit (const NodeSpec &spec, F32 nodeSAH)
	Finds best object split of the node. More...

void	performObjectSplit (NodeSpec &left, NodeSpec &right, const NodeSpec &spec, const ObjectSplit &split)
	Performs the object split operation. More...

SpatialSplit	findSpatialSplit (const NodeSpec &spec, F32 nodeSAH)
	Finds the best spatial split of the node. More...

void	performSpatialSplit (NodeSpec &left, NodeSpec &right, const NodeSpec &spec, const SpatialSplit &split)
	Performs the spatial split operation. More...

Static Protected Member Functions
static void	sortSwap (void *data, int idxA, int idxB)

Protected Attributes
SpatialBinOcl	m_bins [3][NumSpatialBins]

Vec3f	m_cameraPos

Array< S32 >	m_visibility

S32	m_MaxVisibleDepth

Protected Attributes inherited from FW::SplitBVHBuilder
BVH &	m_bvh
	BVH being built. More...

const Platform &	m_platform
	Platform settings. More...

const BVH::BuildParams &	m_params
	Build parameters. More...

Array< Reference >	m_refStack
	Reference stack. More...

F32	m_minOverlap
	Minimum overlap of the left and right AABB of the object split needed to make spatial split worth finding. More...

Array< AABB >	m_rightBounds
	Bounding boxes of all the possible right children. More...

S32	m_sortDim
	Sort dimension. Used by sort method. More...

SpatialBin	m_bins [3][NumSpatialBins]
	Spatial bins. More...

Timer	m_progressTimer
	Progress timer. More...

S32	m_numDuplicates
	Number of duplicated references. More...

Detailed Description

Definition at line 24 of file OcclusionBVHBuilder.hpp.

Member Enumeration Documentation

anonymous enum

protected

Enumerator
MaxVisibleDepth

Definition at line 27 of file OcclusionBVHBuilder.hpp.

Constructor & Destructor Documentation

OcclusionBVHBuilder::OcclusionBVHBuilder	(	BVH &	bvh,
		const BVH::BuildParams &	params,
		const Vec3f &	cameraPosition
	)

Definition at line 37 of file OcclusionBVHBuilder.cpp.

OcclusionBVHBuilder::~OcclusionBVHBuilder ( void )

virtual

Definition at line 77 of file OcclusionBVHBuilder.cpp.

Member Function Documentation

BVHNode * OcclusionBVHBuilder::buildNode	(	const NodeSpecOcl &	spec,
		int	start,
		int	end,
		int	level,
		F32	progressStart,
		F32	progressEnd
	)

protected

Definition at line 271 of file OcclusionBVHBuilder.cpp.

OcclusionBVHBuilder::ObjectSplitOcl OcclusionBVHBuilder::findObjectOccludeSplit	(	const NodeSpecOcl &	spec,
		int	start,
		int	end,
		F32	nodeSAH
	)

protected

Definition at line 491 of file OcclusionBVHBuilder.cpp.

OcclusionBVHBuilder::ObjectSplitOcl OcclusionBVHBuilder::findObjectSplit	(	const NodeSpecOcl &	spec,
		int	start,
		int	end,
		F32	nodeSAH
	)

protected

Definition at line 386 of file OcclusionBVHBuilder.cpp.

OcclusionBVHBuilder::SpatialSplitOcl OcclusionBVHBuilder::findSpatialOccludeSplit	(	const NodeSpecOcl &	spec,
		int	start,
		int	end,
		F32	nodeSAH
	)

protected

Definition at line 765 of file OcclusionBVHBuilder.cpp.

OcclusionBVHBuilder::SpatialSplitOcl OcclusionBVHBuilder::findSpatialSplit	(	const NodeSpecOcl &	spec,
		int	start,
		int	end,
		F32	nodeSAH
	)

protected

Definition at line 656 of file OcclusionBVHBuilder.cpp.

void OcclusionBVHBuilder::performObjectSplit	(	NodeSpecOcl &	left,
		NodeSpecOcl &	right,
		const NodeSpecOcl &	spec,
		int	start,
		int	end,
		const ObjectSplitOcl &	split
	)

protected

Definition at line 639 of file OcclusionBVHBuilder.cpp.

void OcclusionBVHBuilder::performSpatialOccludeSplit	(	NodeSpecOcl &	left,
		NodeSpecOcl &	right,
		int &	start,
		int &	end,
		const SpatialSplitOcl &	split
	)

protected

Definition at line 1136 of file OcclusionBVHBuilder.cpp.

BVHNode * OcclusionBVHBuilder::run ( void )

virtual

Definition at line 83 of file OcclusionBVHBuilder.cpp.

bool OcclusionBVHBuilder::sortCompare	(	void *	data,
		int	idxA,
		int	idxB
	)

static

Definition at line 1289 of file OcclusionBVHBuilder.cpp.

void OcclusionBVHBuilder::sortSwap	(	void *	data,
		int	idxA,
		int	idxB
	)

staticprotected

Definition at line 262 of file OcclusionBVHBuilder.cpp.

Member Data Documentation

SpatialBinOcl FW::OcclusionBVHBuilder::m_bins[3][NumSpatialBins]

protected

Definition at line 99 of file OcclusionBVHBuilder.hpp.

Vec3f FW::OcclusionBVHBuilder::m_cameraPos

protected

Definition at line 100 of file OcclusionBVHBuilder.hpp.

S32 FW::OcclusionBVHBuilder::m_MaxVisibleDepth

protected

Definition at line 102 of file OcclusionBVHBuilder.hpp.

Array<S32> FW::OcclusionBVHBuilder::m_visibility

protected

Definition at line 101 of file OcclusionBVHBuilder.hpp.

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

src/rt/bvh/OcclusionBVHBuilder.hpp
src/rt/bvh/OcclusionBVHBuilder.cpp

Classes

Public Member Functions

Static Public Member Functions

Protected Types

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation