#include <bvh_pbrt.h>

Inheritance diagram for BVH_PBRT:

Public Member Functions
	BVH_PBRT (const CONTAINER_3D_BASE &aObjectContainer, int aMaxPrimsInNode=4, SPLITMETHOD aSplitMethod=SPLITMETHOD::SAH)

	~BVH_PBRT ()

	BVH_PBRT (const BVH_PBRT &)=delete

BVH_PBRT &	operator= (const BVH_PBRT &)=delete

bool	Intersect (const RAY &aRay, HITINFO &aHitInfo) const override

bool	Intersect (const RAY &aRay, HITINFO &aHitInfo, unsigned int aAccNodeInfo) const override

bool	Intersect (const RAYPACKET &aRayPacket, HITINFO_PACKET *aHitInfoPacket) const override

bool	IntersectP (const RAY &aRay, float aMaxDistance) const override

Protected Attributes
BBOX_3D	m_bbox

Private Member Functions
BVHBuildNode *	recursiveBuild (std::vector< BVHPrimitiveInfo > &primitiveInfo, int start, int end, int *totalNodes, CONST_VECTOR_OBJECT &orderedPrims)

BVHBuildNode *	HLBVHBuild (const std::vector< BVHPrimitiveInfo > &primitiveInfo, int *totalNodes, CONST_VECTOR_OBJECT &orderedPrims)

BVHBuildNode *	emitLBVH (BVHBuildNode &buildNodes, const std::vector< BVHPrimitiveInfo > &primitiveInfo, MortonPrimitive mortonPrims, int nPrimitives, int totalNodes, CONST_VECTOR_OBJECT &orderedPrims, int orderedPrimsOffset, int bit)
	TODO: after implement memory arena, put const back to this functions.

BVHBuildNode *	buildUpperSAH (std::vector< BVHBuildNode * > &treeletRoots, int start, int end, int *totalNodes)

int	flattenBVHTree (BVHBuildNode node, uint32_t offset)

Private Attributes
const int	m_maxPrimsInNode

SPLITMETHOD	m_splitMethod

CONST_VECTOR_OBJECT	m_primitives

LinearBVHNode *	m_nodes

std::list< void * >	m_nodesToFree

unsigned int	m_I [RAYPACKET_RAYS_PER_PACKET]

Detailed Description

Definition at line 110 of file bvh_pbrt.h.

Constructor & Destructor Documentation

◆ BVH_PBRT() [1/2]

BVH_PBRT::BVH_PBRT	(	const CONTAINER_3D_BASE &	aObjectContainer,
		int	aMaxPrimsInNode = 4,
		SPLITMETHOD	aSplitMethod = SPLITMETHOD::SAH )

Definition at line 235 of file bvh_pbrt.cpp.

References CONTAINER_3D_BASE::ConvertTo(), flattenBVHTree(), CONTAINER_3D_BASE::GetList(), HLBVH, HLBVHBuild(), m_maxPrimsInNode, m_nodes, m_nodesToFree, m_primitives, m_splitMethod, RAYPACKET_RAYS_PER_PACKET, and recursiveBuild().

Referenced by BVH_PBRT(), and operator=().

◆ ~BVH_PBRT()

BVH_PBRT::~BVH_PBRT ( )

Definition at line 306 of file bvh_pbrt.cpp.

References m_nodesToFree.

◆ BVH_PBRT() [2/2]

BVH_PBRT::BVH_PBRT ( const BVH_PBRT & )

delete

References BVH_PBRT().

Member Function Documentation

◆ buildUpperSAH()

BVHBuildNode * BVH_PBRT::buildUpperSAH	(	std::vector< BVHBuildNode * > &	treeletRoots,
		int	start,
		int	end,
		int *	totalNodes )

private

Definition at line 894 of file bvh_pbrt.cpp.

References BucketInfo::bounds, BVHBuildNode::bounds, buildUpperSAH(), BVHBuildNode::children, BucketInfo::count, end, BVHBuildNode::firstPrimOffset, BVHBuildNode::InitInterior(), m_nodesToFree, BBOX_3D::Max(), BBOX_3D::MaxDimension(), BBOX_3D::Min(), BVHBuildNode::nPrimitives, BBOX_3D::Reset(), BVHBuildNode::splitAxis, BBOX_3D::SurfaceArea(), and BBOX_3D::Union().

Referenced by buildUpperSAH(), and HLBVHBuild().

◆ emitLBVH()

BVHBuildNode * BVH_PBRT::emitLBVH	(	BVHBuildNode *&	buildNodes,
		const std::vector< BVHPrimitiveInfo > &	primitiveInfo,
		MortonPrimitive *	mortonPrims,
		int	nPrimitives,
		int *	totalNodes,
		CONST_VECTOR_OBJECT &	orderedPrims,
		int *	orderedPrimsOffset,
		int	bit )

private

TODO: after implement memory arena, put const back to this functions.

Definition at line 795 of file bvh_pbrt.cpp.

References emitLBVH(), BVHBuildNode::InitInterior(), BVHBuildNode::InitLeaf(), m_maxPrimsInNode, m_primitives, MortonPrimitive::primitiveIndex, BBOX_3D::Reset(), and BBOX_3D::Union().

Referenced by emitLBVH(), and HLBVHBuild().

◆ flattenBVHTree()

int BVH_PBRT::flattenBVHTree	(	BVHBuildNode *	node,
		uint32_t *	offset )

private

Definition at line 1034 of file bvh_pbrt.cpp.

References LinearBVHNode::axis, BVHBuildNode::bounds, LinearBVHNode::bounds, BVHBuildNode::children, BVHBuildNode::firstPrimOffset, flattenBVHTree(), m_nodes, BVHBuildNode::nPrimitives, LinearBVHNode::nPrimitives, LinearBVHNode::primitivesOffset, LinearBVHNode::secondChildOffset, and BVHBuildNode::splitAxis.

Referenced by BVH_PBRT(), and flattenBVHTree().

◆ HLBVHBuild()

BVHBuildNode * BVH_PBRT::HLBVHBuild	(	const std::vector< BVHPrimitiveInfo > &	primitiveInfo,
		int *	totalNodes,
		CONST_VECTOR_OBJECT &	orderedPrims )

private

Definition at line 678 of file bvh_pbrt.cpp.

References BVHBuildNode::bounds, LBVHTreelet::buildNodes, buildUpperSAH(), BVHBuildNode::children, emitLBVH(), EncodeMorton3(), end, BVHBuildNode::firstPrimOffset, m_nodesToFree, m_primitives, BVHBuildNode::nPrimitives, LBVHTreelet::numPrimitives, BBOX_3D::Offset(), RadixSort(), BBOX_3D::Reset(), BVHBuildNode::splitAxis, LBVHTreelet::startIndex, and BBOX_3D::Union().

Referenced by BVH_PBRT().

◆ Intersect() [1/3]

bool BVH_PBRT::Intersect	(	const RAY &	aRay,
		HITINFO &	aHitInfo ) const

overridevirtual

Implements ACCELERATOR_3D.

Definition at line 1066 of file bvh_pbrt.cpp.

References LinearBVHNode::axis, LinearBVHNode::bounds, BBOX_3D::Intersect(), HITINFO::m_acc_node_info, RAY::m_dirIsNeg, m_nodes, m_primitives, HITINFO::m_tHit, MAX_TODOS, LinearBVHNode::nPrimitives, LinearBVHNode::primitivesOffset, and LinearBVHNode::secondChildOffset.

◆ Intersect() [2/3]

bool BVH_PBRT::Intersect	(	const RAY &	aRay,
		HITINFO &	aHitInfo,
		unsigned int	aAccNodeInfo ) const

overridevirtual

Todo: This may be optimized

Implements ACCELERATOR_3D.

Definition at line 1131 of file bvh_pbrt.cpp.

References LinearBVHNode::axis, LinearBVHNode::bounds, BBOX_3D::Intersect(), RAY::m_dirIsNeg, m_nodes, m_primitives, HITINFO::m_tHit, MAX_TODOS, LinearBVHNode::nPrimitives, LinearBVHNode::primitivesOffset, and LinearBVHNode::secondChildOffset.

◆ Intersect() [3/3]

bool BVH_PBRT::Intersect	(	const RAYPACKET &	aRayPacket,
		HITINFO_PACKET *	aHitInfoPacket ) const

overridevirtual

◆ IntersectP()

bool BVH_PBRT::IntersectP	(	const RAY &	aRay,
		float	aMaxDistance ) const

overridevirtual

Implements ACCELERATOR_3D.

Definition at line 1195 of file bvh_pbrt.cpp.

References LinearBVHNode::axis, LinearBVHNode::bounds, MATERIAL::GetCastShadows(), OBJECT_3D::GetMaterial(), BBOX_3D::Intersect(), OBJECT_3D::IntersectP(), RAY::m_dirIsNeg, m_nodes, m_primitives, MAX_TODOS, LinearBVHNode::nPrimitives, LinearBVHNode::primitivesOffset, and LinearBVHNode::secondChildOffset.

◆ operator=()

BVH_PBRT & BVH_PBRT::operator= ( const BVH_PBRT & )

delete

References BVH_PBRT(), and end.

◆ recursiveBuild()

BVHBuildNode * BVH_PBRT::recursiveBuild	(	std::vector< BVHPrimitiveInfo > &	primitiveInfo,
		int	start,
		int	end,
		int *	totalNodes,
		CONST_VECTOR_OBJECT &	orderedPrims )

private

Member Data Documentation

◆ m_bbox

BBOX_3D ACCELERATOR_3D::m_bbox

protectedinherited

Definition at line 53 of file accelerator_3d.h.

Referenced by ACCELERATOR_3D().

◆ m_I

unsigned int BVH_PBRT::m_I[RAYPACKET_RAYS_PER_PACKET]

private

Definition at line 155 of file bvh_pbrt.h.

◆ m_maxPrimsInNode

const int BVH_PBRT::m_maxPrimsInNode

private

Definition at line 147 of file bvh_pbrt.h.

Referenced by BVH_PBRT(), emitLBVH(), and recursiveBuild().

◆ m_nodes

LinearBVHNode* BVH_PBRT::m_nodes

private

Definition at line 150 of file bvh_pbrt.h.

Referenced by BVH_PBRT(), flattenBVHTree(), Intersect(), Intersect(), Intersect(), and IntersectP().

◆ m_nodesToFree

std::list<void*> BVH_PBRT::m_nodesToFree

private

Definition at line 152 of file bvh_pbrt.h.

Referenced by buildUpperSAH(), BVH_PBRT(), HLBVHBuild(), recursiveBuild(), and ~BVH_PBRT().

◆ m_primitives

CONST_VECTOR_OBJECT BVH_PBRT::m_primitives

private

Definition at line 149 of file bvh_pbrt.h.

Referenced by BVH_PBRT(), emitLBVH(), HLBVHBuild(), Intersect(), Intersect(), Intersect(), IntersectP(), and recursiveBuild().

◆ m_splitMethod

SPLITMETHOD BVH_PBRT::m_splitMethod

private

Definition at line 148 of file bvh_pbrt.h.

Referenced by BVH_PBRT(), and recursiveBuild().

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

Public Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ BVH_PBRT() [1/2]

◆ ~BVH_PBRT()

◆ BVH_PBRT() [2/2]

Member Function Documentation

◆ buildUpperSAH()

◆ emitLBVH()

◆ flattenBVHTree()

◆ HLBVHBuild()

◆ Intersect() [1/3]

◆ Intersect() [2/3]

◆ Intersect() [3/3]

◆ IntersectP()

◆ operator=()

◆ recursiveBuild()

Member Data Documentation

◆ m_bbox

◆ m_I

◆ m_maxPrimsInNode

◆ m_nodes

◆ m_nodesToFree

◆ m_primitives

◆ m_splitMethod