Class holding various SAH and batch processing parameters. More...

#include <Platform.hpp>

Public Member Functions
	Platform ()
	Constructor. More...

	Platform (const String &name, float nodeCost=1.f, float triCost=1.f, S32 nodeBatchSize=1, S32 triBatchSize=1)
	Constructor. More...

const String &	getName () const

float	getSAHTriangleCost () const

float	getSAHNodeCost () const

float	getCost (int numChildNodes, int numTris) const
	Calculates cost of a single node. More...

float	getTriangleCost (S32 n) const
	Calcuates cost of a given number of triangles rounded to the batch size. More...

float	getNodeCost (S32 n) const
	Calculates cost of a given number of nodes rounded to the batch size. More...

S32	getTriangleBatchSize () const

S32	getNodeBatchSize () const

void	setTriangleBatchSize (S32 triBatchSize)
	Sets triangle batch size to a given value. More...

void	setNodeBatchSize (S32 nodeBatchSize)
	Sets node batch size to a given value. More...

S32	roundToTriangleBatchSize (S32 n) const
	Rounds given value up to the nearest triangle batch size multiple. More...

S32	roundToNodeBatchSize (S32 n) const
	Rounds given value up to the nearest node batch size multiple. More...

void	setLeafPreferences (S32 minSize, S32 maxSize)
	Sets leaf size preferences (desired number of triangles in one leaf node). More...

S32	getMinLeafSize () const

S32	getMaxLeafSize () const

U32	computeHash () const

Detailed Description

Class holding various SAH and batch processing parameters.

Definition at line 46 of file Platform.hpp.

Constructor & Destructor Documentation

FW::Platform::Platform ( )

inline

Constructor.

Definition at line 53 of file Platform.hpp.

FW::Platform::Platform	(	const String &	name,
		float	nodeCost = `1.f`,
		float	triCost = `1.f`,
		S32	nodeBatchSize = `1`,
		S32	triBatchSize = `1`
	)

inline

Constructor.

Parameters

[in]	name	Name of the platform settings.
[in]	nodeCost	Cost of a single node.
[in]	triCost	Cost of a single triangle.
[in]	nodeBatchSize	Size of a node batch.
[in]	triBatchSize	Size of a triangle batch.

Definition at line 63 of file Platform.hpp.

Member Function Documentation

U32 FW::Platform::computeHash ( ) const

inline

Returns: Hash of the platform settings.

Definition at line 162 of file Platform.hpp.

float FW::Platform::getCost	(	int	numChildNodes,
		int	numTris
	)		const

inline

Calculates cost of a single node.

Parameters

[in]	numChildNodes	Number of child nodes.
[in]	numTrix	Number of triangles.

Returns: SAH cost of a node.

Definition at line 88 of file Platform.hpp.

S32 FW::Platform::getMaxLeafSize ( ) const

inline

Returns: Maximum leaf size.

Definition at line 157 of file Platform.hpp.

S32 FW::Platform::getMinLeafSize ( ) const

inline

Returns: Minimum leaf size.

Definition at line 152 of file Platform.hpp.

const String& FW::Platform::getName ( ) const

inline

Returns: Name of the platform settings.

Definition at line 68 of file Platform.hpp.

S32 FW::Platform::getNodeBatchSize ( ) const

inline

Returns: Size of the node batch.

Definition at line 113 of file Platform.hpp.

float FW::Platform::getNodeCost ( S32 n ) const

inline

Calculates cost of a given number of nodes rounded to the batch size.

Parameters

[in] n Number of nodes.

Returns: Cost of nodes.

Definition at line 102 of file Platform.hpp.

float FW::Platform::getSAHNodeCost ( ) const

inline

Returns: SAH cost of a single node.

Definition at line 79 of file Platform.hpp.

float FW::Platform::getSAHTriangleCost ( ) const

inline

Returns: SAH cost of a single triangle.

Definition at line 74 of file Platform.hpp.

S32 FW::Platform::getTriangleBatchSize ( ) const

inline

Returns: Size of the triangle batch.

Definition at line 108 of file Platform.hpp.

float FW::Platform::getTriangleCost ( S32 n ) const

inline

Calcuates cost of a given number of triangles rounded to the batch size.

Parameters

[in] n Number of triangles.

Returns: Cost of triangles.

Definition at line 95 of file Platform.hpp.

S32 FW::Platform::roundToNodeBatchSize ( S32 n ) const

inline

Rounds given value up to the nearest node batch size multiple.

Parameters

[in] n Value to be rounded.

Returns: Rounded value.

Definition at line 139 of file Platform.hpp.

S32 FW::Platform::roundToTriangleBatchSize ( S32 n ) const

inline

Rounds given value up to the nearest triangle batch size multiple.

Parameters

[in] n Value to be rounded.

Returns: Rounded value.

Definition at line 132 of file Platform.hpp.

void FW::Platform::setLeafPreferences	(	S32	minSize,
		S32	maxSize
	)

inline

Sets leaf size preferences (desired number of triangles in one leaf node).

Parameters

[in]	minSize	Minimum leaf size.
[in]	maxSize	Maximum leaf size.

Definition at line 147 of file Platform.hpp.

void FW::Platform::setNodeBatchSize ( S32 nodeBatchSize )

inline

Sets node batch size to a given value.

Parameters

[in] nodeBatchSize New node batch size.

Definition at line 125 of file Platform.hpp.

void FW::Platform::setTriangleBatchSize ( S32 triBatchSize )

inline

Sets triangle batch size to a given value.

Parameters

[in] triBatchSize New triangle batch size.

Definition at line 119 of file Platform.hpp.

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

src/rt/bvh/Platform.hpp

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation