FW::CudaBVH Class Reference

Cuda BVH class. More...

#include <CudaBVH.hpp>

Inherits FW::CudaAS.

Inherited by FW::HLBVHBuilder.

Public Types
enum	{ Align = 4096 }

Public Member Functions
	CudaBVH (const BVH &bvh, BVHLayout layout)
	Constructor. More...
	CudaBVH (BVHLayout layout)
	Constructor. More...
	CudaBVH (CudaBVH &other)
	Copy constructor. More...
	CudaBVH (InputStream &in)
	Constructor. Reads Cuda BVH from a file. More...
	~CudaBVH (void)
	Destructor. More...
BVHLayout	getLayout (void) const
Buffer &	getNodeBuffer (void)
Buffer &	getTriWoopBuffer (void)
Buffer &	getTriIndexBuffer (void)
Vec2i	getNodeSubArray (int idx) const
	Returns node subarray. More...
Vec2i	getTriWoopSubArray (int idx) const
	Returns woop triangle subarray. More...
CudaBVH &	operator= (CudaBVH &other)
	Assignment operator. More...
void	serialize (OutputStream &out)
	Writes Cuda BVH to the output stream. More...
void	setTraceParams (Platform *platform, Scene *scene)
void	findVisibleTriangles (RayBuffer &rays, S32 *references, S32 offset)
void	trace (RayBuffer &rays, Buffer &visibility, bool twoTrees, RayStats *stats=NULL)
void	trace (RayBuffer &rays, Buffer &visibility, Array< AABB > &emptyBVH, RayStats *stats=NULL)
bool	isLeaf (S32 node)
void	getNode (S32 node, SplitInfo *splitInfo, AABB &child0, AABB &child1, S32 &child0Addr, S32 &child1Addr)
void	getTriangleIndices (S32 node, Array< S32 > &indices)
Scene *	getScene ()
Public Member Functions inherited from FW::CudaAS
virtual	~CudaAS (void)
	Destructor. More...

Public Attributes
RayStats *	m_stats

Detailed Description

Cuda BVH class.

Graphic card friendly version of the BVH acceleration structure.

Definition at line 93 of file CudaBVH.hpp.

Member Enumeration Documentation

anonymous enum

Enumerator
Align

Definition at line 96 of file CudaBVH.hpp.

Constructor & Destructor Documentation

CudaBVH::CudaBVH ( const BVH &  bvh, BVHLayout  layout  )

explicit

Constructor.

Parameters

[in]	bvh	Existing BVH that will be converted.
[in]	layout	Layout of buffers.

Definition at line 49 of file CudaBVH.cpp.

FW::CudaBVH::CudaBVH ( BVHLayout  layout )

inlineexplicit

Constructor.

Parameters

[in]

layout

Layout of buffers.

Definition at line 113 of file CudaBVH.hpp.

FW::CudaBVH::CudaBVH ( CudaBVH &  other )

inline

Copy constructor.

Parameters

[in]

other

Existing Cuda BVH to be copied.

Definition at line 119 of file CudaBVH.hpp.

CudaBVH::CudaBVH ( InputStream &  in )

explicit

Constructor. Reads Cuda BVH from a file.

Parameters

[in]

in

Input stream to read the Cuda BVH from.

Definition at line 74 of file CudaBVH.cpp.

CudaBVH::~CudaBVH

(

void

)

Destructor.

Definition at line 81 of file CudaBVH.cpp.

Member Function Documentation

void CudaBVH::findVisibleTriangles	(	RayBuffer &	rays,
		S32 *	references,
		S32	offset
	)

Definition at line 94 of file CudaBVH.cpp.

BVHLayout FW::CudaBVH::getLayout ( void  ) const

inlinevirtual

Returns

Layout of buffers.

Implements FW::CudaAS.

Definition at line 135 of file CudaBVH.hpp.

void CudaBVH::getNode	(	S32	node,
		SplitInfo *	splitInfo,
		AABB &	child0,
		AABB &	child1,
		S32 &	child0Addr,
		S32 &	child1Addr
	)

Definition at line 323 of file CudaBVH.cpp.

Buffer& FW::CudaBVH::getNodeBuffer ( void  )

inlinevirtual

Returns

Node buffer.

Implements FW::CudaAS.

Definition at line 140 of file CudaBVH.hpp.

Vec2i CudaBVH::getNodeSubArray

(

int

idx

)

const

Returns node subarray.

AOS: idx ignored, returns entire buffer; SOA: 0 <= idx < 4, returns one subarray.

Returns

Node subarray.

Definition at line 380 of file CudaBVH.cpp.

Scene* FW::CudaBVH::getScene ( )

inline

Definition at line 189 of file CudaBVH.hpp.

void CudaBVH::getTriangleIndices	(	S32	node,
		Array< S32 > &	indices
	)

Definition at line 341 of file CudaBVH.cpp.

Buffer& FW::CudaBVH::getTriIndexBuffer ( void  )

inlinevirtual

Returns

Triangle index buffer.

Implements FW::CudaAS.

Definition at line 150 of file CudaBVH.hpp.

Buffer& FW::CudaBVH::getTriWoopBuffer ( void  )

inlinevirtual

Returns

Woop triangle buffer.

Implements FW::CudaAS.

Definition at line 145 of file CudaBVH.hpp.

Vec2i CudaBVH::getTriWoopSubArray

(

int

idx

)

const

Returns woop triangle subarray.

AOS: idx ignored, returns entire buffer; SOA: 0 <= idx < 4, returns one subarray.

Returns

Woop triangle subarray.

Definition at line 392 of file CudaBVH.cpp.

bool FW::CudaBVH::isLeaf ( S32  node )

inline

Definition at line 185 of file CudaBVH.hpp.

CudaBVH & CudaBVH::operator=

(

CudaBVH &

other

)

Assignment operator.

Parameters

[in]

other

Cuda BVH to assign.

Returns

Result of the assignment.

Definition at line 404 of file CudaBVH.cpp.

void CudaBVH::serialize ( OutputStream &  out )

virtual

Writes Cuda BVH to the output stream.

Parameters

[in]

Target

to write to.

Implements FW::CudaAS.

Definition at line 87 of file CudaBVH.cpp.

void FW::CudaBVH::setTraceParams ( Platform *  platform, Scene *  scene  )

inline

Definition at line 179 of file CudaBVH.hpp.

void CudaBVH::trace	(	RayBuffer &	rays,
		Buffer &	visibility,
		bool	twoTrees,
		RayStats *	stats = NULL
	)

Definition at line 178 of file CudaBVH.cpp.

void CudaBVH::trace	(	RayBuffer &	rays,
		Buffer &	visibility,
		Array< AABB > &	emptyBVH,
		RayStats *	stats = NULL
	)

Definition at line 273 of file CudaBVH.cpp.

Member Data Documentation

RayStats* FW::CudaBVH::m_stats

Definition at line 225 of file CudaBVH.hpp.

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

• src/rt/cuda/CudaBVH.hpp
• src/rt/cuda/CudaBVH.cpp