OpenCL Context wrapper. More...

#include <OpenCLFramework/clfContext.hh>

Public Types
enum	clfDeviceType { clfContextTypeCPU = 0, clfContextTypeGPU }

Public Member Functions
void	AcquireGLObject (clfMemory &buffer)
	acquire a buffer allocated from opengl, call glfinish first! More...

	clfContext (bool useGLsharing=false, clfDeviceType deviceType=clfContextTypeGPU)
	Create clfContext for first GPU device found. More...

clfBuffer *	CreateBuffer ()
	create buffer object More...

clfImage2D *	CreateImage2D ()
	create buffer object More...

clfImage3D *	CreateImage3D ()
	create buffer object More...

clfProgram *	CreateProgram ()
	create program object More...

int	DivUp (const int mod, int val)

void	Finish ()
	force finishing the command queue More...

unsigned int	GetActiveDevice ()

clfDeviceInfo	GetDeviceInfo (unsigned int device=0)

unsigned int	GetNumDevices ()

bool	IsSharedGLContext ()

void	PrintDeviceInfo (unsigned int device=0, bool verbose=false, std::ostream &out=std::cout)
	print info on computing device More...

void	PrintPlatformsInfo (std::ostream &out=std::cout)
	print info on available platforms More...

void	ReleaseGLObject (clfMemory &buffer)
	release a buffer allocated from opengl, call Finish first! More...

void	RunOn1DRange (clfProgram &program, std::string kernelname, unsigned int globalrange, unsigned int localrange=0)
	run a kernel on a 1D memory range More...

void	RunOn2DRange (clfProgram &program, std::string kernelname, unsigned int globalrangeX, unsigned int globalrangeY, unsigned int localrangeX=0, unsigned int localrangeY=0)
	run a kernel on a 2D memory range More...

void	RunOn3DRange (clfProgram &program, std::string kernelname, unsigned int globalrangeX, unsigned int globalrangeY, unsigned int globalrangeZ, unsigned int localrangeX=0, unsigned int localrangeY=0, unsigned int localrangeZ=0)
	run a kernel on a 3D memory range More...

void	SetActiveDevice (unsigned int device)

virtual	~clfContext ()
	deletes context and queue, making objects created from this context invalid! More...

Protected Member Functions
void	QueryDeviceInfo_ (unsigned int device=0)

Static Protected Member Functions
static void	clnotify (const char p1, const void p2, size_t p3, clfContext *p4)
	internal notification function for status from clf context More...

Detailed Description

OpenCL Context wrapper.

OpenCLContext bundles one context and one command queue. After creation, use OpenCLContext to instantiate buffer objects and programs valid for this context.

Author: fkellner 06/11

Definition at line 49 of file clfContext.hh.

Member Enumeration Documentation

enum BIAS::clfContext::clfDeviceType

Enumerator
clfContextTypeCPU
clfContextTypeGPU

Definition at line 51 of file clfContext.hh.

Constructor & Destructor Documentation

BIAS::clfContext::clfContext	(	bool	useGLsharing = `false`,
		clfDeviceType	deviceType = `clfContextTypeGPU`
	)

Create clfContext for first GPU device found.

Parameters

useGLsharing true if you want to share GL objects. A valid GL context must be available!

Definition at line 39 of file clfContext.cpp.

BIAS::clfContext::~clfContext ( )

virtual

deletes context and queue, making objects created from this context invalid!

Definition at line 118 of file clfContext.cpp.

Member Function Documentation

void BIAS::clfContext::AcquireGLObject ( clfMemory & buffer )

acquire a buffer allocated from opengl, call glfinish first!

Parameters

buffer the buffer object

Definition at line 271 of file clfContext.cpp.

References BIAS::clfMemory::memory().

Referenced by BIAS::clfTrimmedICP::ComputeNearestPoints_(), and BIAS::clfTrimmedICP::ComputeOptimalMotion_().

void BIAS::clfContext::clnotify	(	const char *	p1,
		const void *	p2,
		size_t	p3,
		clfContext *	p4
	)

staticprotected

internal notification function for status from clf context

Definition at line 121 of file clfContext.cpp.

clfBuffer* BIAS::clfContext::CreateBuffer ( )

inline

create buffer object

Returns: buffer bound to context

Definition at line 79 of file clfContext.hh.

Referenced by BIAS::clfGradientGauss< InputStorageType, OutputStorageType >::clfGradientGauss(), BIAS::clfRadixSort::clfRadixSort(), BIAS::clfTrimmedICP::clfTrimmedICP(), BIAS::clfTrimmedICP::SetDataFromDepthMap(), and BIAS::clfTrimmedICP::SetModelFromDepthMap().

clfImage2D* BIAS::clfContext::CreateImage2D ( )

inline

create buffer object

Returns: buffer bound to context

Definition at line 87 of file clfContext.hh.

Referenced by BIAS::clfFilter< InputStorageType, OutputStorageType >::clfFilter(), BIAS::clfRecursiveGauss::FilterGrey(), BIAS::clfRecursiveGauss::FilterGreyColPacked(), BIAS::clfRecursiveGauss::FilterX(), BIAS::clfRecursiveGauss::FilterY(), BIAS::clfUnifiedMultilateralFilter::Init(), BIAS::clfUnifiedMultilateralFilter::InitColorFilter(), and BIAS::clfUnifiedMultilateralFilter::InitDepthFilter().

clfImage3D* BIAS::clfContext::CreateImage3D ( )

inline

create buffer object

Returns: buffer bound to context

Definition at line 95 of file clfContext.hh.

clfProgram* BIAS::clfContext::CreateProgram ( )

inline

create program object

Returns: program bound to context

Definition at line 71 of file clfContext.hh.

Referenced by BIAS::clfColorConversion::clfColorConversion(), BIAS::clfSimpleFilter::clfSimpleFilter(), BIAS::clfTrimmedICP::clfTrimmedICP(), and BIAS::clfAlgorithm::InitInternal_().

int BIAS::clfContext::DivUp	(	const int	mod,
		int	val
	)

Definition at line 416 of file clfContext.cpp.

Referenced by BIAS::clfRadixSort::ApplyPermutation(), and BIAS::clfResampleImage::Filter().

void BIAS::clfContext::Finish ( )

force finishing the command queue

Definition at line 289 of file clfContext.cpp.

Referenced by BIAS::clfUnifiedMultilateralFilter::Compute(), BIAS::clfTrimmedICP::ComputeNearestPoints_(), BIAS::clfTrimmedICP::ComputeOptimalMotion_(), BIAS::clfRecursiveGauss::FilterGreyColPacked(), BIAS::clfRadixSort::Histogram(), BIAS::clfRadixSort::Host2GPU(), BIAS::clfRadixSort::RecupGPU(), BIAS::clfRadixSort::Reorder(), BIAS::clfRadixSort::ScanHistogram(), BIAS::clfRadixSort::SetData(), and BIAS::clfRadixSort::Transpose().

unsigned int BIAS::clfContext::GetActiveDevice ( )

Definition at line 411 of file clfContext.cpp.

clfDeviceInfo BIAS::clfContext::GetDeviceInfo ( unsigned int device = 0 )

inline

Definition at line 141 of file clfContext.hh.

Referenced by BIAS::clfTrimmedICP::clfTrimmedICP(), BIAS::clfTVL1Flow::clfTVL1Flow(), and BIAS::clfAlgorithm::InitInternal_().

unsigned int BIAS::clfContext::GetNumDevices ( )

inline

Definition at line 137 of file clfContext.hh.

bool BIAS::clfContext::IsSharedGLContext ( )

inline

Definition at line 145 of file clfContext.hh.

Referenced by BIAS::clfAlgorithm::InitInternal_().

void BIAS::clfContext::PrintDeviceInfo	(	unsigned int	device = `0`,
		bool	verbose = `false`,
		std::ostream &	out = `std::cout`
	)

print info on computing device

Definition at line 127 of file clfContext.cpp.

void BIAS::clfContext::PrintPlatformsInfo ( std::ostream & out = std::cout )

print info on available platforms

Definition at line 204 of file clfContext.cpp.

void BIAS::clfContext::QueryDeviceInfo_ ( unsigned int device = 0 )

protected

Definition at line 297 of file clfContext.cpp.

void BIAS::clfContext::ReleaseGLObject ( clfMemory & buffer )

release a buffer allocated from opengl, call Finish first!

Parameters

buffer the buffer object

Definition at line 280 of file clfContext.cpp.

References BIAS::clfMemory::memory().

Referenced by BIAS::clfTrimmedICP::ComputeNearestPoints_(), and BIAS::clfTrimmedICP::ComputeOptimalMotion_().

void BIAS::clfContext::RunOn1DRange	(	clfProgram &	program,
		std::string	kernelname,
		unsigned int	globalrange,
		unsigned int	localrange = `0`
	)

run a kernel on a 1D memory range

Parameters

globalrange	overall memory size in byte, should be multiple of compute units on device
localrange	memory range in byte handled by each thread, should be even divisor of compute units on device (or 0)

Definition at line 220 of file clfContext.cpp.

Referenced by BIAS::clfRadixSort::ApplyPermutation(), BIAS::clfTrimmedICP::ComputeNearestPoints_(), BIAS::clfTrimmedICP::ComputeOptimalMotion_(), BIAS::clfRecursiveGauss::FilterGrey(), BIAS::clfRecursiveGauss::FilterGreyColPacked(), BIAS::clfRecursiveGauss::FilterX(), BIAS::clfRecursiveGauss::FilterY(), BIAS::clfRadixSort::Histogram(), BIAS::clfRadixSort::Reorder(), and BIAS::clfRadixSort::ScanHistogram().

void BIAS::clfContext::RunOn2DRange	(	clfProgram &	program,
		std::string	kernelname,
		unsigned int	globalrangeX,
		unsigned int	globalrangeY,
		unsigned int	localrangeX = `0`,
		unsigned int	localrangeY = `0`
	)

run a kernel on a 2D memory range

Definition at line 234 of file clfContext.cpp.

Referenced by BIAS::clfUnifiedMultilateralFilter::Compute(), BIAS::clfCopy::Copy(), BIAS::clfImageOperator::CutOffMinThreshold(), BIAS::clfImageOperator::Difference(), BIAS::clfSimpleFilter::Filter(), BIAS::clfStructureTensor::Filter(), BIAS::clfExtractLocalMaxima::Filter(), BIAS::clfScaleImage::Filter(), BIAS::clfResampleImage::Filter(), BIAS::clfRecursiveGauss::FilterGrey(), BIAS::clfRecursiveGauss::FilterGreyColPacked(), BIAS::clfSimpleFilter::FilterScale(), and BIAS::clfRadixSort::Transpose().

void BIAS::clfContext::RunOn3DRange	(	clfProgram &	program,
		std::string	kernelname,
		unsigned int	globalrangeX,
		unsigned int	globalrangeY,
		unsigned int	globalrangeZ,
		unsigned int	localrangeX = `0`,
		unsigned int	localrangeY = `0`,
		unsigned int	localrangeZ = `0`
	)

run a kernel on a 3D memory range

Definition at line 251 of file clfContext.cpp.

void BIAS::clfContext::SetActiveDevice ( unsigned int device )

Definition at line 403 of file clfContext.cpp.

Referenced by BIAS::clfAlgorithm::InitInternal_().

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

OpenCLFramework/clfContext.hh
OpenCLFramework/clfContext.cpp

Public Types

Public Member Functions

Protected Member Functions

Static Protected Member Functions

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation