HdStAggregationStrategy Class Reference

Aggregation strategy base class. More...

#include <strategyBase.h>

Inheritance diagram for HdStAggregationStrategy:

Public Types
typedef size_t	AggregationId
	Aggregation ID.

Public Member Functions
virtual HdBufferArraySharedPtr	CreateBufferArray (TfToken const &role, HdBufferSpecVector const &bufferSpecs, HdBufferArrayUsageHint usageHint)=0
	Factory for creating HdBufferArray.
virtual HdBufferArrayRangeSharedPtr	CreateBufferArrayRange ()=0
	Factory for creating HdBufferArrayRange.
virtual AggregationId	ComputeAggregationId (HdBufferSpecVector const &bufferSpecs, HdBufferArrayUsageHint usageHint) const =0
	Returns id for given bufferSpecs to be used for aggregation.
virtual HdBufferSpecVector	GetBufferSpecs (HdBufferArraySharedPtr const &bufferArray) const =0
	Returns the buffer specs from a given buffer array.
virtual size_t	GetResourceAllocation (HdBufferArraySharedPtr const &bufferArray, VtDictionary &result) const =0
	Returns the accumulated GPU resource allocation for items in the BufferArray passed as parameter.
virtual HDST_API void	Flush ()
	(Optional) called to Flush consolidated / staging buffers.

Detailed Description

Aggregation strategy base class.

Definition at line 31 of file strategyBase.h.

Member Typedef Documentation

AggregationId

typedef size_t AggregationId

Aggregation ID.

Definition at line 34 of file strategyBase.h.

Member Function Documentation

ComputeAggregationId()

virtual AggregationId ComputeAggregationId ( HdBufferSpecVector const &  bufferSpecs, HdBufferArrayUsageHint  usageHint  ) const

pure virtual

Returns id for given bufferSpecs to be used for aggregation.

Implemented in HdStVBOMemoryManager, and HdStVBOSimpleMemoryManager.

CreateBufferArray()

virtual HdBufferArraySharedPtr CreateBufferArray ( TfToken const &  role, HdBufferSpecVector const &  bufferSpecs, HdBufferArrayUsageHint  usageHint  )

pure virtual

Factory for creating HdBufferArray.

Implemented in HdStVBOMemoryManager, and HdStVBOSimpleMemoryManager.

CreateBufferArrayRange()

virtual HdBufferArrayRangeSharedPtr CreateBufferArrayRange ( )

pure virtual

Factory for creating HdBufferArrayRange.

Implemented in HdStVBOMemoryManager, HdStVBOSimpleMemoryManager, and HdStInterleavedMemoryManager.

Flush()

virtual HDST_API void Flush ( )

inlinevirtual

(Optional) called to Flush consolidated / staging buffers.

Definition at line 66 of file strategyBase.h.

GetBufferSpecs()

virtual HdBufferSpecVector GetBufferSpecs ( HdBufferArraySharedPtr const &  bufferArray ) const

pure virtual

Returns the buffer specs from a given buffer array.

Implemented in HdStVBOMemoryManager, HdStVBOSimpleMemoryManager, and HdStInterleavedMemoryManager.

GetResourceAllocation()

virtual size_t GetResourceAllocation ( HdBufferArraySharedPtr const &  bufferArray, VtDictionary &  result  ) const

pure virtual

Returns the accumulated GPU resource allocation for items in the BufferArray passed as parameter.

Implemented in HdStVBOMemoryManager, HdStVBOSimpleMemoryManager, and HdStInterleavedMemoryManager.

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

• pxr/imaging/hdSt/strategyBase.h