NativeList(int initialCapacity, Allocator allocator, int disposeSentinelStackDepth)
{
var totalSize = UnsafeUtility.SizeOf <T>() * (long)initialCapacity;
#if ENABLE_UNITY_COLLECTIONS_CHECKS
// Native allocation is only valid for Temp, Job and Persistent.
if (allocator <= Allocator.None)
{
throw new ArgumentException("Allocator must be Temp, TempJob or Persistent", nameof(allocator));
}
if (initialCapacity < 0)
{
throw new ArgumentOutOfRangeException(nameof(initialCapacity), "Capacity must be >= 0");
}
CollectionHelper.CheckIsUnmanaged <T>();
// Make sure we cannot allocate more than int.MaxValue (2,147,483,647 bytes)
// because the underlying UnsafeUtility.Malloc is expecting a int.
// TODO: change UnsafeUtility.Malloc to accept a UIntPtr length instead to match C++ API
if (totalSize > int.MaxValue)
{
throw new ArgumentOutOfRangeException(nameof(initialCapacity), $"Capacity * sizeof(T) cannot exceed {int.MaxValue} bytes");
}
DisposeSentinel.Create(out m_Safety, out m_DisposeSentinel, disposeSentinelStackDepth, allocator);
#endif
m_ListData = UnsafeList.Create(UnsafeUtility.SizeOf <T>(), UnsafeUtility.AlignOf <T>(), initialCapacity, allocator);
m_DeprecatedAllocator = allocator;
#if ENABLE_UNITY_COLLECTIONS_CHECKS
AtomicSafetyHandle.SetBumpSecondaryVersionOnScheduleWrite(m_Safety, true);
#endif
}
void Initialize<U>(int initialCapacity, ref U allocator, int disposeSentinelStackDepth) where U : unmanaged, AllocatorManager.IAllocator
{
var totalSize = UnsafeUtility.SizeOf<T>() * (long)initialCapacity;
#if ENABLE_UNITY_COLLECTIONS_CHECKS
CheckAllocator((Allocator)allocator.Handle.Value);
CheckInitialCapacity(initialCapacity);
CollectionHelper.CheckIsUnmanaged<T>();
CheckTotalSize(initialCapacity, totalSize);
DisposeSentinel.Create(out m_Safety, out m_DisposeSentinel, disposeSentinelStackDepth, (Allocator)allocator.Handle.Value);
if (s_staticSafetyId.Data == 0)
{
CreateStaticSafetyId();
}
AtomicSafetyHandle.SetStaticSafetyId(ref m_Safety, s_staticSafetyId.Data);
m_SafetyIndexHint = (allocator.Handle).AddSafetyHandle(m_Safety);
if(m_SafetyIndexHint != AllocatorManager.AllocatorHandle.InvalidChildSafetyHandleIndex)
DisposeSentinel.Clear(ref m_DisposeSentinel);
#endif
m_ListData = UnsafeList.Create(UnsafeUtility.SizeOf<T>(), UnsafeUtility.AlignOf<T>(), initialCapacity, ref allocator);
m_DeprecatedAllocator = (Allocator)allocator.Handle.Value;
#if ENABLE_UNITY_COLLECTIONS_CHECKS
AtomicSafetyHandle.SetBumpSecondaryVersionOnScheduleWrite(m_Safety, true);
#endif
}
/// <summary>
/// Constructs a new queue with type of memory allocation.
/// </summary>
/// <param name="allocator">A member of the
/// [Unity.Collections.Allocator](https://docs.unity3d.com/ScriptReference/Unity.Collections.Allocator.html) enumeration.</param>
public NativeQueue(Allocator allocator)
{
CollectionHelper.CheckIsUnmanaged <T>();
m_QueuePool = NativeQueueBlockPool.QueueBlockPool;
m_AllocatorLabel = allocator;
NativeQueueData.AllocateQueue <T>(allocator, out m_Buffer);
#if ENABLE_UNITY_COLLECTIONS_CHECKS
DisposeSentinel.Create(out m_Safety, out m_DisposeSentinel, 0, allocator);
#endif
}
unsafe NativeList(int capacity, Allocator i_label, int stackDepth)
{
//@TODO: Find out why this is needed?
capacity = Math.Max(1, capacity);
var totalSize = UnsafeUtility.SizeOf <T>() * (long)capacity;
#if ENABLE_UNITY_COLLECTIONS_CHECKS
// Native allocation is only valid for Temp, Job and Persistent.
if (i_label <= Allocator.None)
{
throw new ArgumentException("Allocator must be Temp, TempJob or Persistent", nameof(i_label));
}
if (capacity < 0)
{
throw new ArgumentOutOfRangeException(nameof(capacity), "Capacity must be >= 0");
}
CollectionHelper.CheckIsUnmanaged <T>();
// Make sure we cannot allocate more than int.MaxValue (2,147,483,647 bytes)
// because the underlying UnsafeUtility.Malloc is expecting a int.
// TODO: change UnsafeUtility.Malloc to accept a UIntPtr length instead to match C++ API
if (totalSize > int.MaxValue)
{
throw new ArgumentOutOfRangeException(nameof(capacity), $"Capacity * sizeof(T) cannot exceed {int.MaxValue} bytes");
}
#endif
m_Allocator = i_label;
m_ListData = (NativeListData *)UnsafeUtility.Malloc(UnsafeUtility.SizeOf <NativeListData>(), UnsafeUtility.AlignOf <NativeListData>(), m_Allocator);
m_ListData->buffer = UnsafeUtility.Malloc(totalSize, UnsafeUtility.AlignOf <T>(), m_Allocator);
m_ListData->length = 0;
m_ListData->capacity = capacity;
#if ENABLE_UNITY_COLLECTIONS_CHECKS
DisposeSentinel.Create(out m_Safety, out m_DisposeSentinel, stackDepth, m_Allocator);
#endif
}
NativeList(int initialCapacity, Allocator allocator, int disposeSentinelStackDepth)
{
var totalSize = UnsafeUtility.SizeOf <T>() * (long)initialCapacity;
#if ENABLE_UNITY_COLLECTIONS_CHECKS
CheckAllocator(allocator);
CheckInitialCapacity(initialCapacity);
CollectionHelper.CheckIsUnmanaged <T>();
CheckTotalSize(initialCapacity, totalSize);
DisposeSentinel.Create(out m_Safety, out m_DisposeSentinel, disposeSentinelStackDepth, allocator);
if (s_staticSafetyId.Data == 0)
{
CreateStaticSafetyId();
}
AtomicSafetyHandle.SetStaticSafetyId(ref m_Safety, s_staticSafetyId.Data);
#endif
m_ListData = UnsafeList.Create(UnsafeUtility.SizeOf <T>(), UnsafeUtility.AlignOf <T>(), initialCapacity, allocator);
m_DeprecatedAllocator = allocator;
#if ENABLE_UNITY_COLLECTIONS_CHECKS
AtomicSafetyHandle.SetBumpSecondaryVersionOnScheduleWrite(m_Safety, true);
#endif
}