PxAllocatorCallback

Defined in include/foundation/PxAllocatorCallback.h

class PxAllocatorCallback

Abstract base class for an application defined memory allocator that can be used by the Nv library.

Threading: All methods of this class should be thread safe as it can be called from the user thread or the physics processing thread(s).

Note

The SDK state should not be modified from within any allocation/free function.

Subclassed by PxBroadcast< PxAllocationListener, PxAllocatorCallback >, PxDefaultAllocator

Public Functions

inline virtual ~PxAllocatorCallback()

virtual void *allocate(size_t size, const char *typeName, const char *filename, int line) = 0

Allocates size bytes of memory, which must be 16-byte aligned.

This method should never return NULL. If you run out of memory, then you should terminate the app or take some other appropriate action.

Threading: This function should be thread safe as it can be called in the context of the user thread and physics processing thread(s).

Parameters

• size – Number of bytes to allocate.

• typeName – Name of the datatype that is being allocated

• filename – The source file which allocated the memory

• line – The source line which allocated the memory

Returns

The allocated block of memory.

virtual void deallocate(void *ptr) = 0

Frees memory previously allocated by allocate().

Threading: This function should be thread safe as it can be called in the context of the user thread and physics processing thread(s).

Parameters

ptr – Memory to free.