FW::InnerNode Class Reference

BVH inner node. More...

#include <BVHNode.hpp>

Inherits FW::BVHNode.

Public Member Functions
	InnerNode (const AABB &bounds, BVHNode *child0, BVHNode *child1)
	Constructor. More...
	InnerNode (const AABB &bounds, BVHNode *child0, BVHNode *child1, S32 axis, SplitInfo::SplitType splitType, bool osahTested)
	Constructor. More...
bool	isLeaf () const
S32	getNumChildNodes () const
BVHNode *	getChildNode (S32 i) const
	Returns one of the node's child nodes. More...
Public Member Functions inherited from FW::BVHNode
	BVHNode ()
	Constructor. More...
virtual S32	getNumTriangles () const
float	getArea () const
int	getSubtreeSize (BVH_STAT stat=BVH_STAT_NODE_COUNT) const
	Calculates various information about the node's subtree. More...
void	computeSubtreeProbabilities (const Platform &p, float parentProbability, float &sah)
	Calculates node's subtree probabilities and also sah price. More...
float	computeSubtreeSAHCost (const Platform &p) const
	Calculates subtree SAH cost. Requires calculated probabilities. More...
void	deleteSubtree ()
	Deletes node's subtree. More...
void	assignIndicesDepthFirst (S32 index=0, bool includeLeafNodes=true)
	Assigns node's sbutree indices in depth first order. More...
void	assignIndicesBreadthFirst (S32 index=0, bool includeLeafNodes=true)
	Assigns node's subtree indices in breadth first order. More...

Public Attributes
BVHNode *	m_children [2]
	Child nodes. More...
SplitInfo	m_splitInfo
	Split info. More...
Public Attributes inherited from FW::BVHNode
AABB	m_bounds
	Bounding box of the node. More...
float	m_probability
	Probability of coming here (widebvh uses this). More...
float	m_parentProbability
	Probability of coming to parent (widebvh uses this). More...
int	m_treelet
	For queuing tests (qmachine uses this). More...
int	m_index
	in linearized tree (qmachine uses this). More...

Detailed Description

BVH inner node.

Definition at line 228 of file BVHNode.hpp.

Constructor & Destructor Documentation

FW::InnerNode::InnerNode ( const AABB &  bounds, BVHNode *  child0, BVHNode *  child1  )

inline

Constructor.

Parameters

[in]	bounds	Node's bounding box.
[in]	child0	Left child node.
[in]	child1	Right child node.

Definition at line 238 of file BVHNode.hpp.

FW::InnerNode::InnerNode ( const AABB &  bounds, BVHNode *  child0, BVHNode *  child1, S32  axis, SplitInfo::SplitType  splitType, bool  osahTested  )

inline

Constructor.

Parameters

[in]	bounds	Node's bounding box.
[in]	child0	Left child node.
[in]	child1	Right child node.
[in]	axis	Axis of the node's split.
[in]	splitType	Type of the node's split.
[in]	osahTested	Flag whether the split was tested for OSAH.

Definition at line 249 of file BVHNode.hpp.

Member Function Documentation

BVHNode* FW::InnerNode::getChildNode ( S32  i ) const

inlinevirtual

Returns one of the node's child nodes.

Parameters

[in]

i

Index of the child node.

Returns

Node's selected child node.

Implements FW::BVHNode.

Definition at line 266 of file BVHNode.hpp.

S32 FW::InnerNode::getNumChildNodes ( ) const

inlinevirtual

Returns

Number of the node's child nodes.

Implements FW::BVHNode.

Definition at line 259 of file BVHNode.hpp.

bool FW::InnerNode::isLeaf ( ) const

inlinevirtual

Returns

Whether the node is a leaf node (always false).

Implements FW::BVHNode.

Definition at line 254 of file BVHNode.hpp.

Member Data Documentation

BVHNode* FW::InnerNode::m_children[2]

Child nodes.

Definition at line 268 of file BVHNode.hpp.

SplitInfo FW::InnerNode::m_splitInfo

Split info.

Definition at line 269 of file BVHNode.hpp.

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

• src/rt/bvh/BVHNode.hpp