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  3. ArenaMemoryResource

ArenaMemoryResource

Serves allocations from a preallocated memory region.

Unreal Engine C++ API Reference > Plugins > RigLogicLib > pma > resources

Inheritance Hierarchy

References

   
Module RigLogicLib
Header /Engine/Plugins/Animation/RigLogic/Source/RigLogicLib/Public/pma/resources/ArenaMemoryResource.h
Include #include "pma/resources/ArenaMemoryResource.h"

Syntax

class ArenaMemoryResource : public pma::MemoryResource

Remarks

Serves allocations from a preallocated memory region.

Constructors

  Type Name Description
Public function    
Public function    
Public function  

ArenaMemoryResource ( std::size_t regionSize,
MemoryResource* upstream
)

 Constructor.
Public function  

ArenaMemoryResource ( std::size_t regionSize,
float growthFactor,
MemoryResource* upstream
)

 Constructor.
Public function  

ArenaMemoryResource ( std::size_t initialSize,
std::size_t regionSize,
float growthFactor,
MemoryResource* upstream
)

 Constructor.

Destructors

  Type Name Description
Public function    

Functions

  Type Name Description
Public function Const MemoryResource * The upstream memory resource was passed through the constructor and is backing all arena allocations.

Overridden from MemoryResource

  Type Name Description
Public function Virtual void *

allocate ( std::size_t size,
std::size_t alignment
)

 All allocations will be served from the currently active memory region.
Public function Virtual void

deallocate ( void* ptr,
std::size_t size,
std::size_t alignment
)

 This is a no-op, and the regions are only freed when the arena itself is destroyed.

Operators

  Type Name Description
Public function ArenaMemoryResource &  
Public function ArenaMemoryResource &  

Classes

  Type Name Description
Public class Impl    

See Also

MemoryResource

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