HdVectorDataSource Class Reference

A datasource representing indexed data. More...

#include <dataSource.h>

Inheritance diagram for HdVectorDataSource:

Public Member Functions
	HD_DECLARE_DATASOURCE_ABSTRACT (HdVectorDataSource)
virtual size_t	GetNumElements ()=0
	Return the number of elements in this datasource.
virtual HdDataSourceBaseHandle	GetElement (size_t element)=0
	Return the element at position element in this datasource.

Detailed Description

A datasource representing indexed data.

This should be used when a scene index is expected to manipulate the indexing; for array-valued data, a HdSampledDataSource can be used instead. Note that implementations are responsible for providing cache invalidation, if necessary.

Definition at line 130 of file dataSource.h.

Member Function Documentation

GetElement()

virtual HdDataSourceBaseHandle GetElement ( size_t  element )

pure virtual

Return the element at position element in this datasource.

This is expected to return non-null for the range [0, numElements). This call is expected to be threadsafe.

Implemented in HdRetainedSmallVectorDataSource.

GetNumElements()

virtual size_t GetNumElements ( )

pure virtual

Return the number of elements in this datasource.

This call is expected to be threadsafe.

Implemented in HdRetainedSmallVectorDataSource.

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

• pxr/imaging/hd/dataSource.h