The context class represents a SYCL context on which kernel functions may be executed. More...

#include <sycl/context.hpp>

Inheritance diagram for sycl::_V1::context:

Collaboration diagram for sycl::_V1::context:

Public Member Functions
	context (const property_list &PropList={})
	Constructs a SYCL context instance using an instance of default_selector. More...

	context (const async_handler &AsyncHandler, const property_list &PropList={})
	Constructs a SYCL context instance using an instance of default_selector. More...

	context (const device &Device, const property_list &PropList={})
	Constructs a SYCL context instance using the provided device. More...

	context (const device &Device, async_handler AsyncHandler, const property_list &PropList={})
	Constructs a SYCL context instance using the provided device. More...

	context (const platform &Platform, const property_list &PropList={})
	Constructs a SYCL context instance using the provided platform. More...

	context (const platform &Platform, async_handler AsyncHandler, const property_list &PropList={})
	Constructs a SYCL context instance using the provided platform. More...

	context (const std::vector< device > &DeviceList, const property_list &PropList={})
	Constructs a SYCL context instance using list of devices. More...

	context (const std::vector< device > &DeviceList, async_handler AsyncHandler, const property_list &PropList={})
	Constructs a SYCL context instance using list of devices. More...

template<typename Param >
detail::is_context_info_desc< Param >::return_type	get_info () const
	Constructs a SYCL context instance from OpenCL cl_context. More...

	context (const context &rhs)=default

	context (context &&rhs)=default

context &	operator= (const context &rhs)=default

context &	operator= (context &&rhs)=default

bool	operator== (const context &rhs) const

bool	operator!= (const context &rhs) const

template<typename propertyT >
bool	has_property () const noexcept
	Checks if this context has a property of type propertyT. More...

template<typename propertyT >
propertyT	get_property () const
	Gets the specified property of this context. More...

	__SYCL2020_DEPRECATED ("is_host() is deprecated as the host device is no longer supported.") bool is_host() const
	Gets OpenCL interoperability context. More...

backend	get_backend () const noexcept
	Returns the backend associated with this context. More...

platform	get_platform () const
	Gets platform associated with this SYCL context. More...

std::vector< device >	get_devices () const
	Gets devices associated with this SYCL context. More...

Public Member Functions inherited from sycl::_V1::detail::OwnerLessBase< context >
bool	ext_oneapi_owner_before (const ext::oneapi::detail::weak_object_base< context > &Other) const noexcept
	Compares the object against a weak object using an owner-based implementation-defined ordering. More...

bool	ext_oneapi_owner_before (const context &Other) const noexcept
	Compares the object against another object using an owner-based implementation-defined ordering. More...

Friends
template<backend Backend, class SyclT >
auto	get_native (const SyclT &Obj) -> backend_return_t< Backend, SyclT >

template<class T >
detail::add_pointer_t< typename decltype(T::impl)::element_type >	detail::getRawSyclObjImpl (const T &SyclObject)

template<class T >
T	detail::createSyclObjFromImpl (decltype(T::impl) ImplObj)

Detailed Description

The context class represents a SYCL context on which kernel functions may be executed.

Definition at line 41 of file context.hpp.

Constructor & Destructor Documentation

◆ context() [1/10]

sycl::_V1::context::context ( const property_list & PropList = {} )

explicit

Constructs a SYCL context instance using an instance of default_selector.

The instance of default_selector is used to select the associated platform and device(s). SYCL properties are passed to the constructed SYCL context through PropList.

Parameters

PropList is an instance of property_list.

Definition at line 30 of file context.cpp.

◆ context() [2/10]

sycl::_V1::context::context	(	const async_handler &	AsyncHandler,
		const property_list &	PropList = `{}`
	)

explicit

Constructs a SYCL context instance using an instance of default_selector.

The instance of default_selector is used to select the associated platform and device(s). The constructed SYCL context will use the AsyncHandler parameter to handle exceptions. SYCL properties are passed to the constructed SYCL context through PropList.

Parameters

AsyncHandler	is an instance of async_handler.
PropList	is an instance of property_list.

Definition at line 33 of file context.cpp.

◆ context() [3/10]

sycl::_V1::context::context	(	const device &	Device,
		const property_list &	PropList = `{}`
	)

explicit

Constructs a SYCL context instance using the provided device.

Newly created context is associated with the Device and the SYCL platform that is associated with the Device. SYCL properties are passed to the constructed SYCL context through PropList.

Parameters

Device	is an instance of SYCL device.
PropList	is an instance of property_list.

Definition at line 37 of file context.cpp.

◆ context() [4/10]

sycl::_V1::context::context	(	const device &	Device,
		async_handler	AsyncHandler,
		const property_list &	PropList = `{}`
	)

explicit

Constructs a SYCL context instance using the provided device.

Newly created context is associated with the Device and the SYCL platform that is associated with the Device. The constructed SYCL context will use the AsyncHandler parameter to handle exceptions. SYCL properties are passed to the constructed SYCL context through PropList.

Parameters

Device	is an instance of SYCL device.
AsyncHandler	is an instance of async_handler.
PropList	is an instance of property_list.

Definition at line 40 of file context.cpp.

◆ context() [5/10]

sycl::_V1::context::context	(	const platform &	Platform,
		const property_list &	PropList = `{}`
	)

explicit

Constructs a SYCL context instance using the provided platform.

Newly created context is associated with the Platform and with each SYCL device that is associated with the Platform. SYCL properties are passed to the constructed SYCL context through PropList.

Parameters

Platform	is an instance of SYCL platform.
PropList	is an instance of property_list.

Definition at line 44 of file context.cpp.

◆ context() [6/10]

sycl::_V1::context::context	(	const platform &	Platform,
		async_handler	AsyncHandler,
		const property_list &	PropList = `{}`
	)

explicit

Constructs a SYCL context instance using the provided platform.

Newly created context is associated with the Platform and with each SYCL device that is associated with the Platform. The constructed SYCL context will use the AsyncHandler parameter to handle exceptions. SYCL properties are passed to the constructed SYCL context through PropList.

Parameters

Platform	is an instance of SYCL platform.
AsyncHandler	is an instance of async_handler.
PropList	is an instance of property_list.

Definition at line 47 of file context.cpp.

◆ context() [7/10]

sycl::_V1::context::context	(	const std::vector< device > &	DeviceList,
		const property_list &	PropList = `{}`
	)

explicit

Constructs a SYCL context instance using list of devices.

Newly created context will be associated with each SYCL device in the DeviceList. This requires that all SYCL devices in the list have the same associated SYCL platform. SYCL properties are passed to the constructed SYCL context through PropList.

Parameters

DeviceList	is a list of SYCL device instances.
PropList	is an instance of property_list.

Definition at line 51 of file context.cpp.

◆ context() [8/10]

sycl::_V1::context::context	(	const std::vector< device > &	DeviceList,
		async_handler	AsyncHandler,
		const property_list &	PropList = `{}`
	)

explicit

Constructs a SYCL context instance using list of devices.

Newly created context will be associated with each SYCL device in the DeviceList. This requires that all SYCL devices in the list have the same associated SYCL platform. The constructed SYCL context will use the AsyncHandler parameter to handle exceptions. SYCL properties are passed to the constructed SYCL context through PropList.

Parameters

DeviceList	is a list of SYCL device instances.
AsyncHandler	is an instance of async_handler.
PropList	is an instance of property_list.

Definition at line 55 of file context.cpp.

References any_of(), sycl::_V1::device::get_platform(), and sycl::_V1::detail::getSyclObjImpl().

◆ context() [9/10]

sycl::_V1::context::context ( const context & rhs )

default

◆ context() [10/10]

sycl::_V1::context::context ( context && rhs )

default

Member Function Documentation

◆ __SYCL2020_DEPRECATED()

sycl::_V1::context::__SYCL2020_DEPRECATED ( "is_host() is deprecated as the host device is no longer supported." ) const

Gets OpenCL interoperability context.

The OpenCL cl_context handle is retained on return.

Returns: a valid instance of OpenCL cl_context. Checks if this context is a SYCL host context.; true if this context is a SYCL host context.

◆ get_backend()

backend sycl::_V1::context::get_backend ( ) const

noexcept

Returns the backend associated with this context.

Returns: the backend associated with this context.

Definition at line 133 of file context.cpp.

References sycl::_V1::detail::getImplBackend().

◆ get_devices()

std::vector< device > sycl::_V1::context::get_devices ( ) const

Gets devices associated with this SYCL context.

Returns: a vector of valid SYCL device instances.

Definition at line 139 of file context.cpp.

Referenced by sycl::_V1::detail::kernel_bundle_plain::get_devices(), sycl::_V1::detail::get_empty_interop_kernel_bundle(), sycl::_V1::get_kernel_bundle(), sycl::_V1::get_pointer_device(), sycl::_V1::has_kernel_bundle(), sycl::_V1::detail::isDeviceBinaryTypeSupported(), and sycl::_V1::detail::select_device().

◆ get_info()

template<typename Param >

detail::is_context_info_desc< Param >::return_type sycl::_V1::context::get_info

Constructs a SYCL context instance from OpenCL cl_context.

ClContext is retained on SYCL context instantiation. The constructed SYCL context will use the AsyncHandler parameter to handle exceptions.

Parameters

ClContext	is an instance of OpenCL cl_context.
AsyncHandler	is an instance of async_handler. Queries this SYCL context for information.

The return type depends on information being queried.

Definition at line 95 of file context.cpp.

◆ get_platform()

platform sycl::_V1::context::get_platform ( ) const

Gets platform associated with this SYCL context.

Returns: a valid instance of SYCL platform.

Definition at line 135 of file context.cpp.

Referenced by sycl::_V1::detail::usm::alignedAllocHost(), and sycl::_V1::detail::isDeviceBinaryTypeSupported().

◆ get_property()

template<typename propertyT >

propertyT sycl::_V1::context::get_property ( ) const

Gets the specified property of this context.

Throws invalid_object_error if this context does not have a property of type propertyT.

Returns: a copy of the property of type propertyT.

◆ has_property()

template<typename propertyT >

bool sycl::_V1::context::has_property ( ) const

noexcept

Checks if this context has a property of type propertyT.

Returns: true if this context has a property of type propertyT.

◆ operator!=()

bool sycl::_V1::context::operator!= ( const context & rhs ) const

inline

Definition at line 178 of file context.hpp.

◆ operator=() [1/2]

context& sycl::_V1::context::operator= ( const context & rhs )

default

◆ operator=() [2/2]

context& sycl::_V1::context::operator= ( context && rhs )

default

◆ operator==()

bool sycl::_V1::context::operator== ( const context & rhs ) const

inline

Definition at line 176 of file context.hpp.

Friends And Related Function Documentation

◆ detail::createSyclObjFromImpl

template<class T >

T detail::createSyclObjFromImpl ( decltype(T::impl) ImplObj )

friend

◆ detail::getRawSyclObjImpl

template<class T >

detail::add_pointer_t<typename decltype(T::impl)::element_type> detail::getRawSyclObjImpl ( const T & SyclObject )

friend

◆ get_native

template<backend Backend, class SyclT >

auto get_native ( const SyclT & Obj ) -> backend_return_t< Backend, SyclT >

friend

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

include/sycl/context.hpp
source/context.cpp

Public Member Functions

Friends

Detailed Description

Constructor & Destructor Documentation

◆ context() [1/10]

◆ context() [2/10]

◆ context() [3/10]

◆ context() [4/10]

◆ context() [5/10]

◆ context() [6/10]

◆ context() [7/10]

◆ context() [8/10]

◆ context() [9/10]

◆ context() [10/10]

Member Function Documentation

◆ __SYCL2020_DEPRECATED()

◆ get_backend()

◆ get_devices()

◆ get_info()

◆ get_platform()

◆ get_property()

◆ has_property()

◆ operator!=()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ operator==()

Friends And Related Function Documentation

◆ detail::createSyclObjFromImpl

◆ detail::getRawSyclObjImpl

◆ get_native