#include <vx_tensor.h>

Inheritance diagram for coreflow::Tensor:

Public Member Functions
	Tensor (vx_context context, vx_reference reference)
	Construct a new Tensor object.

	~Tensor ()
	Destroy the Tensor object.

void *	allocateTensorMemory ()
	Allocate tensor memory.

void	initTensor (const vx_size *dimensions, vx_size number_of_dimensions, vx_enum data_type, vx_int8 fixed_point_position)
	Used to initialize the tensor data structure with the correct.

const vx_size *	dims () const
	Get the dimensions of the tensor.

vx_size	numDims () const
	Get the number of dimensions in the tensor.

vx_enum	dataType () const
	Get the data type of the tensor.

vx_int8	fixedPointPosition () const
	Get the fixed point position of the tensor.

const vx_size *	strides () const
	Get the strides of the tensor.

vx_size	size () const
	Get the size of the tensor in bytes.

vx_status	copyPatch (vx_size number_of_dimensions, const vx_size view_start, const vx_size view_end, const vx_size user_stride, void user_ptr, vx_enum usage, vx_enum user_memory_type)
	Copy a patch of the tensor to/from user memory.

vx_status	mapPatch (vx_size number_of_dimensions, const vx_size view_start, const vx_size view_end, vx_map_id map_id, vx_size stride, void **ptr, vx_enum usage, vx_enum mem_type)
	Map a patch of the tensor to user memory.

vx_status	unmapPatch (vx_map_id map_id)
	Unmap a patch of the tensor.

void	destruct () override final
	Function to destroy tensor obj.

vx_uint32	refCount () const
	Returns the reference count of the object.

const vx_char *	refName () const
	Returns the name of the reference.

void	setName (const vx_char *name)
	Sets the name of the reference.

vx_uint32	incrementReference (vx_reftype_e refType)
	Increments the ref count.

vx_uint32	decrementReference (vx_reftype_e refType)
	Decrements the ref count.

vx_uint32	totalReferenceCount ()
	Returns the total reference count of the object.

void	initReferenceForDelay (vx_delay delay, vx_int32 index)
	Used to initialize any vx_reference as a delay element.

Static Public Member Functions
static vx_tensor	createTensor (vx_context context, vx_size number_of_dims, const vx_size *dims, vx_enum data_type, vx_int8 fixed_point_position)
	Create a tensor object.

static vx_bool	isValidTensor (vx_tensor tensor)
	Used to validate the vx_tensor types.

static vx_int32	checkSizes (vx_size dimensions, const vx_size view_start, const vx_size *view_end, vx_size number_of_dimensions)
	Check tensor sizes.

static vx_size	computePatchSize (const vx_size view_start, const vx_size view_end, vx_size number_of_dimensions)
	Compute patch size.

static void	computePositionsFromIndex (vx_size index, const vx_size start, const vx_size end, const vx_size tensor_stride, const vx_size patch_stride, vx_size number_of_dimensions, vx_size tensor_pos, vx_size patch_pos)
	Compute positions from index.

static vx_reference	createReference (vx_context context, vx_enum type, vx_reftype_e refType, vx_reference scope)
	Used to create a reference.

static void	printReference (vx_reference ref)
	Prints the values of a reference.

static vx_bool	isValidReference (vx_reference ref)
	Used to validate everything but vx_context, vx_image and vx_buffer.

static vx_bool	isValidReference (vx_reference ref, vx_enum type)
	Used to validate everything but vx_context, vx_image and vx_buffer.

static vx_size	sizeOfType (vx_enum type)
	Returns the number of bytes in the internal structure for a given type.

static vx_status	releaseReference (vx_reference *ref, vx_enum type, vx_reftype_e reftype, vx_destructor_f special_destructor)
	Used to destroy a reference.

Public Attributes
void *	addr
	The memory layout definition.

vx_uint32	number_of_dimensions
	Number of dimensions.

vx_size	dimensions [VX_MAX_TENSOR_DIMENSIONS]
	Size of all dimensions.

vx_size	stride [VX_MAX_TENSOR_DIMENSIONS]
	Stride of all dimensions.

vx_enum	data_type
	Type of data element.

vx_int8	fixed_point_position
	Fixed point position.

vx_tensor	subtensors [VX_INT_MAX_REF]
	Array of subtensors.

vx_tensor	parent
	A pointer to a parent md data object.

vx_image	subimages [VX_INT_MAX_REF]
	Array of subimages.

struct _vx_platform *	platform
	Platform for ICD compatibility.

vx_uint32	magic
	Used to validate references, must be set to VX_MAGIC.

vx_enum	type
	Set to an enum value in vx_type_e.

vx_context	context
	Pointer to the top level context. If this reference is the context, this will be NULL.

vx_reference	scope
	The pointer to the object's scope parent. When virtual objects are scoped within a graph, this will point to that parent graph. This is left generic to allow future scoping variations. By default scope should be the same as context.

vx_uint32	external_count
	The count of the number of users with this reference. When greater than 0, this can not be freed. When zero, the value can be considered inaccessible.

vx_uint32	internal_count
	The count of the number of framework references. When greater than 0, this can not be freed.

vx_uint32	read_count
	The number of times the object has been read (in some portion)

vx_uint32	write_count
	The number of times the object has been written to (in some portion)

vx_sem_t	lock
	The reference lock which is used to protect access to "in-fly" data.

void *	reserved
	A reserved field which can be used to store anonymous data.

vx_uint32	index
	A field which can be used to store a temporary, per-graph index.

vx_bool	extracted
	This indicates if the object was extracted from another object.

vx_bool	is_virtual
	This indicates if the object is virtual or not.

vx_delay	delay

vx_int32	delay_slot_index

vx_bool	is_accessible
	This indicates that if the object is virtual whether it is accessible at the moment or not.

vx_char	name [VX_MAX_REFERENCE_NAME]
	The reference name.

Member Data Documentation

◆ addr

void* coreflow::Tensor::addr

The memory layout definition.

◆ context

vx_context coreflow::Reference::context

inherited

Pointer to the top level context. If this reference is the context, this will be NULL.

◆ data_type

vx_enum coreflow::Tensor::data_type

Type of data element.

◆ delay

vx_delay coreflow::Reference::delay

inherited

◆ delay_slot_index

vx_int32 coreflow::Reference::delay_slot_index

inherited

◆ dimensions

vx_size coreflow::Tensor::dimensions[VX_MAX_TENSOR_DIMENSIONS]

Size of all dimensions.

◆ external_count

vx_uint32 coreflow::Reference::external_count

inherited

The count of the number of users with this reference. When greater than 0, this can not be freed. When zero, the value can be considered inaccessible.

◆ extracted

vx_bool coreflow::Reference::extracted

inherited

This indicates if the object was extracted from another object.

◆ fixed_point_position

vx_int8 coreflow::Tensor::fixed_point_position

Fixed point position.

◆ index

vx_uint32 coreflow::Reference::index

inherited

A field which can be used to store a temporary, per-graph index.

◆ internal_count

vx_uint32 coreflow::Reference::internal_count

inherited

The count of the number of framework references. When greater than 0, this can not be freed.

◆ is_accessible

vx_bool coreflow::Reference::is_accessible

inherited

This indicates that if the object is virtual whether it is accessible at the moment or not.

◆ is_virtual

vx_bool coreflow::Reference::is_virtual

inherited

This indicates if the object is virtual or not.

◆ lock

vx_sem_t coreflow::Reference::lock

inherited

The reference lock which is used to protect access to "in-fly" data.

◆ magic

vx_uint32 coreflow::Reference::magic

inherited

Used to validate references, must be set to VX_MAGIC.

◆ name

vx_char coreflow::Reference::name[VX_MAX_REFERENCE_NAME]

inherited

The reference name.

◆ number_of_dimensions

vx_uint32 coreflow::Tensor::number_of_dimensions

Number of dimensions.

◆ parent

vx_tensor coreflow::Tensor::parent

A pointer to a parent md data object.

◆ platform

struct _vx_platform* coreflow::Reference::platform

inherited

Platform for ICD compatibility.

◆ read_count

vx_uint32 coreflow::Reference::read_count

inherited

The number of times the object has been read (in some portion)

◆ reserved

void* coreflow::Reference::reserved

inherited

A reserved field which can be used to store anonymous data.

◆ scope

vx_reference coreflow::Reference::scope

inherited

The pointer to the object's scope parent. When virtual objects are scoped within a graph, this will point to that parent graph. This is left generic to allow future scoping variations. By default scope should be the same as context.

◆ stride

vx_size coreflow::Tensor::stride[VX_MAX_TENSOR_DIMENSIONS]

Stride of all dimensions.

◆ subimages

vx_image coreflow::Tensor::subimages[VX_INT_MAX_REF]

Array of subimages.

◆ subtensors

vx_tensor coreflow::Tensor::subtensors[VX_INT_MAX_REF]

Array of subtensors.

◆ type

vx_enum coreflow::Reference::type

inherited

Set to an enum value in vx_type_e.

◆ write_count

vx_uint32 coreflow::Reference::write_count

inherited

The number of times the object has been written to (in some portion)

Public Member Functions

Static Public Member Functions

Public Attributes

Member Data Documentation

◆ addr

◆ context

◆ data_type

◆ delay

◆ delay_slot_index

◆ dimensions

◆ external_count

◆ extracted

◆ fixed_point_position

◆ index

◆ internal_count

◆ is_accessible

◆ is_virtual

◆ lock

◆ magic

◆ name

◆ number_of_dimensions

◆ parent

◆ platform

◆ read_count

◆ reserved

◆ scope

◆ stride

◆ subimages

◆ subtensors

◆ type

◆ write_count