VkReallocationFunctionI (LWJGL 3.0.0 SNAPSHOT)

All Superinterfaces:

CallbackI, CallbackI.P, Pointer

All Known Implementing Classes:

VkReallocationFunction
```
@FunctionalInterface
public interface VkReallocationFunctionI
extends CallbackI.P
```
Instances of this interface may be set to the pfnReallocation member of the VkAllocationCallbacks struct.
The function must alter the size of the allocation pOriginal, either by shrinking or growing it, to accommodate the new size.

If pOriginal is NULL, then pfnReallocation must behave similarly to VkAllocationFunction. If size is zero, then pfnReallocation must behave similarly to VkFreeFunction. The contents of the original allocation from bytes zero to min(original size, new size) − 1 must be preserved in the new allocation. If the new allocation is larger than the old allocation, then the contents of the additional space are undefined. If pOriginal is non-NULL, alignment must be equal to the originally requested alignment. If satisfying these requirements involves creating a new allocation, then the old allocation must be freed. If this function fails, it must return NULL and not free the old allocation.

Nested Class Summary
- Nested classes/interfaces inherited from interface org.lwjgl.system.CallbackI
  CallbackI.B, CallbackI.D, CallbackI.F, CallbackI.I, CallbackI.J, CallbackI.P, CallbackI.S, CallbackI.V, CallbackI.Z
- Nested classes/interfaces inherited from interface org.lwjgl.system.Pointer
  Pointer.Default

Field Summary
- Fields inherited from interface org.lwjgl.system.Pointer
  POINTER_SHIFT, POINTER_SIZE

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method and Description
`default long`	`address()` Returns the raw pointer address as a `long` value.
`default long`	`callback(long args)` Will be called by native code.
`long`	`invoke(long pUserData, long pOriginal, long size, long alignment, int allocationScope)` Will be called by the Vulkan implementation to reallocate memory.

- Method Detail
  - address
```
default long address()
```
    Description copied from interface: Pointer
    
    Returns the raw pointer address as a long value.
    
    Specified by:
    
    address in interface Pointer
    
    Returns:
    
    the pointer address
  - callback
```
default long callback(long args)
```
    Description copied from interface: CallbackI.P
    
    Will be called by native code.
    
    Specified by:
    
    callback in interface CallbackI.P
    
    Parameters:
    
    args - pointer to a DCArgs iterator
    
    Returns:
    
    the value to store to the result DCValue
  - invoke
```
long invoke(long pUserData,
            long pOriginal,
            long size,
            long alignment,
            int allocationScope)
```
    Will be called by the Vulkan implementation to reallocate memory.
    
    Parameters:
    
    pUserData - the value specified for VkAllocationCallbacks.pUserData in the allocator specified by the application
    
    pOriginal - must be either NULL or a pointer previously returned by pfnReallocation or pfnAllocation of the same allocator
    
    size - the size in bytes of the requested allocation
    
    alignment - the requested alignment of the allocation in bytes and must be a power of two
    
    allocationScope - a VkSystemAllocationScope value specifying the scope of the lifetime of the allocation