OpenCV  4.10.0
Open Source Computer Vision
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cv::ocl::Context Class Reference

#include <opencv2/core/ocl.hpp>

Classes

class  UserContext

Public Member Functions

 Context () CV_NOEXCEPT
 Context (const Context &c)
 Context (Context &&c) CV_NOEXCEPT
 Context (int dtype)
 ~Context ()
bool create ()
bool create (int dtype)
Devicedevice (size_t idx) const
bool empty () const
Impl * getImpl () const
void * getOpenCLContextProperty (int propertyId) const
 Get OpenCL context property specified on context creation.
Program getProg (const ProgramSource &prog, const String &buildopt, String &errmsg)
template<typename T>
std::shared_ptr< T > getUserContext ()
std::shared_ptr< UserContextgetUserContext (std::type_index typeId)
size_t ndevices () const
Contextoperator= (const Context &c)
Contextoperator= (Context &&c) CV_NOEXCEPT
void * ptr () const
void release ()
template<typename T>
void setUserContext (const std::shared_ptr< T > &userContext)
void setUserContext (std::type_index typeId, const std::shared_ptr< UserContext > &userContext)
void setUseSVM (bool enabled)
void unloadProg (Program &prog)
bool useSVM () const

Static Public Member Functions

static Context create (const std::string &configuration)
static Context fromDevice (const ocl::Device &device)
static Context fromHandle (void *context)
static ContextgetDefault (bool initialize=true)

Public Attributes

Impl * p

Constructor & Destructor Documentation

◆ Context() [1/4]

cv::ocl::Context::Context ( )

◆ Context() [2/4]

cv::ocl::Context::Context ( int dtype)
explicit

◆ ~Context()

cv::ocl::Context::~Context ( )

◆ Context() [3/4]

cv::ocl::Context::Context ( const Context & c)

◆ Context() [4/4]

cv::ocl::Context::Context ( Context && c)

Member Function Documentation

◆ create() [1/3]

bool cv::ocl::Context::create ( )

◆ create() [2/3]

Context cv::ocl::Context::create ( const std::string & configuration)
static

◆ create() [3/3]

bool cv::ocl::Context::create ( int dtype)

◆ device()

Device & cv::ocl::Context::device ( size_t idx) const

◆ empty()

bool cv::ocl::Context::empty ( ) const
inline

◆ fromDevice()

Context cv::ocl::Context::fromDevice ( const ocl::Device & device)
static

◆ fromHandle()

Context cv::ocl::Context::fromHandle ( void * context)
static
Parameters
contextOpenCL handle (cl_context). clRetainContext() is called on success

◆ getDefault()

Context & cv::ocl::Context::getDefault ( bool initialize = true)
static

Get thread-local OpenCL context (initialize if necessary)

◆ getImpl()

Impl * cv::ocl::Context::getImpl ( ) const
inline

◆ getOpenCLContextProperty()

void * cv::ocl::Context::getOpenCLContextProperty ( int propertyId) const

Get OpenCL context property specified on context creation.

Parameters
propertyIdProperty id (CL_CONTEXT_* as defined in cl_context_properties type)
Returns
Property value if property was specified on clCreateContext, or NULL if context created without the property

◆ getProg()

Program cv::ocl::Context::getProg ( const ProgramSource & prog,
const String & buildopt,
String & errmsg )

◆ getUserContext() [1/2]

template<typename T>
std::shared_ptr< T > cv::ocl::Context::getUserContext ( )
inline

◆ getUserContext() [2/2]

std::shared_ptr< UserContext > cv::ocl::Context::getUserContext ( std::type_index typeId)

◆ ndevices()

size_t cv::ocl::Context::ndevices ( ) const

◆ operator=() [1/2]

Context & cv::ocl::Context::operator= ( const Context & c)

◆ operator=() [2/2]

Context & cv::ocl::Context::operator= ( Context && c)

◆ ptr()

void * cv::ocl::Context::ptr ( ) const
Returns
cl_context value

◆ release()

void cv::ocl::Context::release ( )

◆ setUserContext() [1/2]

template<typename T>
void cv::ocl::Context::setUserContext ( const std::shared_ptr< T > & userContext)
inline

◆ setUserContext() [2/2]

void cv::ocl::Context::setUserContext ( std::type_index typeId,
const std::shared_ptr< UserContext > & userContext )

◆ setUseSVM()

void cv::ocl::Context::setUseSVM ( bool enabled)

◆ unloadProg()

void cv::ocl::Context::unloadProg ( Program & prog)

◆ useSVM()

bool cv::ocl::Context::useSVM ( ) const

Member Data Documentation

◆ p

Impl* cv::ocl::Context::p

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