InstanceDataMemoryPool

java.lang.Object

org.boxutil.manager.InstanceDataMemoryPool

public final class InstanceDataMemoryPool extends Object

Used for InstanceRenderAPI.

Method Summary

Modifier and Type

Method

Description

static boolean

free(MemoryBlock memory)

Even if memory was free, the operation is safe.

static int

getBufferID(InstanceType target)

static boolean

isNotSupported()

static MemoryBlock

malloc(InstanceType target, int count)

static boolean

realloc(MemoryBlock memory, int newCount)

Bad for performance, so recommend to allocation the large enough memory block before all.

static MemoryBlock

share(MemoryBlock memory)

static MemoryBlock

split(MemoryBlock memory, int newCount, boolean fromStartOrEnd)

Methods inherited from class java.lang.Object
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- isNotSupported
  
  public static boolean isNotSupported()
- getBufferID
  
  public static int getBufferID(@NotNull InstanceType target)
  
  Returns:
  
  the buffer object name of SSBO, 0 if never have call malloc with target, or pool was unsupported.
  Without mutex.
- malloc
  
  public static MemoryBlock malloc(@NotNull InstanceType target, int count)
  
  Parameters:
  
  count - instance data count.
  
  Returns:
  
  null when allocation failed.
- realloc
  
  public static boolean realloc(@NotNull MemoryBlock memory, int newCount)
  
  Bad for performance, so recommend to allocation the large enough memory block before all.
  
  Parameters:
  
  memory - different from C/C++, will not change the object pointer, only remapping and then copy data if needed.
  
  newCount - instance data count.
  
  Returns:
  
  false when re-allocation failed.
- split
  
  public static MemoryBlock split(@NotNull MemoryBlock memory, int newCount, boolean fromStartOrEnd)
- free
  
  public static boolean free(@NotNull MemoryBlock memory)
  
  Even if memory was free, the operation is safe.
  
  Returns:
  
  false when still have reference after call.
- share
  
  public static MemoryBlock share(@NotNull MemoryBlock memory)