RixMemoryPool Class Reference

#include <RixInterfaces.h>

Inheritance diagram for RixMemoryPool:

Public Types
enum	BlockLifetime { k_EvaluationLifetime, k_ShadeContextLifetime }

Public Member Functions
virtual void *	Allocate (size_t numbytes, BlockLifetime)=0
Public Member Functions inherited from RixInterface
virtual int	GetVersion () const

Additional Inherited Members
Protected Member Functions inherited from RixInterface
	RixInterface (int version)
	Interfaces should not be constructed by users.
virtual	~RixInterface ()
	Interfaces should not be deleted by users.
Protected Attributes inherited from RixInterface
int	m_version
	Version number of this interface.

Detailed Description

An interface for allocating memory from a memory pool for the purposes of shading. Due to the repetitive, recursive and threaded nature of shader execution, it may be faster and easier to allocate memory from this pool rather than the standard malloc heap. The constraints imposed by this memory allocator are:

• you shouldn't retain a reference to allocated memory beyond the advertised lifetime
• you shouldn't free, delete or release the memory (it's automatic)
• you should use 'placement new' to assign the allocated memory blocks for use by C++ objects.
• no destructors will be called on any C++ objects in the block.
• this interface isn't available in RIS mode, you should rely on the built-in memory services of RixIntegratorContext and RixShadingContext.

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

• RixInterfaces.h