public static NativeDynamicArray Alloc <T>(Allocator allocator, uint newLength = 0) where T : unmanaged
{
unsafe
{
var rtnStruc = new NativeDynamicArray();
#if DEBUG && !PROFILE_SVELTO
rtnStruc.hashType = TypeHash <T> .hash;
#endif
var sizeOf = MemoryUtilities.SizeOf <T>();
uint pointerSize = (uint)MemoryUtilities.SizeOf <UnsafeArray>();
UnsafeArray *listData =
(UnsafeArray *)MemoryUtilities.Alloc(pointerSize, allocator);
//clear to nullify the pointers
MemoryUtilities.MemClear((IntPtr)listData, pointerSize);
listData->allocator = allocator;
listData->Realloc <T>((uint)(newLength * sizeOf));
rtnStruc._list = listData;
return(rtnStruc);
}
}
public ref T ReserveEnqueue <T>(out UnsafeArrayIndex index) where T : struct
{
unsafe
{
BasicTests();
var sizeOf = MemoryUtilities.SizeOf <T>();
if (_queue->space - sizeOf < 0)
{
//Todo: NativeBag is very complicated. At the time of writing of this comment I don't remember if the sizeof really needs to be aligned by 4. To check and change this comment
_queue->Realloc((uint)((_queue->capacity + MemoryUtilities.Align4((uint)sizeOf)) * 2.0f));
}
#if ENABLE_THREAD_SAFE_CHECKS
try
{
#endif
return(ref _queue->Reserve <T>(out index));
#if ENABLE_THREAD_SAFE_CHECKS
}
finally
{
Volatile.Write(ref _threadSentinel, 0);
}
#endif
}
}
public ref T ReserveEnqueue <T>(out UnsafeArrayIndex index) where T : struct
{
unsafe
{
BasicTests();
var sizeOf = MemoryUtilities.SizeOf <T>();
if (_queue->space - sizeOf < 0)
{
_queue->Realloc((uint)((_queue->capacity + sizeOf) * 2.0f));
}
#if DEBUG && !PROFILE_SVELTO
try
{
#endif
return(ref _queue->Reserve <T>(out index));
#if DEBUG && !PROFILE_SVELTO
}
finally
{
Volatile.Write(ref _threadSentinel, 0);
}
#endif
}
}
public static NativeDynamicArray Alloc <T>(Allocator allocator, uint newLength = 0) where T : struct
{
unsafe
{
#if DEBUG && !PROFILE_SVELTO
var rtnStruc = new NativeDynamicArray {
_hashType = TypeHash <T> .hash
};
#else
NativeDynamicArray rtnStruc = default;
#endif
var sizeOf = MemoryUtilities.SizeOf <T>();
uint structSize = (uint)MemoryUtilities.SizeOf <UnsafeArray>();
UnsafeArray *listData = (UnsafeArray *)MemoryUtilities.Alloc(structSize, allocator);
//clear to nullify the pointers
//MemoryUtilities.MemClear((IntPtr) listData, structSize);
rtnStruc._allocator = allocator;
listData->Realloc((uint)(newLength * sizeOf), allocator);
rtnStruc._list = listData;
return(rtnStruc);
}
}
public ref T ReserveEnqueue <T>(out UnsafeArrayIndex index) where T : struct
{
unsafe
{
BasicTests();
var sizeOf = MemoryUtilities.SizeOf <T>();
if (_queue->availableSpace - sizeOf < 0)
{
_queue->Realloc((_queue->capacity + (uint)sizeOf) << 1);
}
#if ENABLE_THREAD_SAFE_CHECKS
try
{
#endif
return(ref _queue->Reserve <T>(out index));
#if ENABLE_THREAD_SAFE_CHECKS
}
finally
{
Volatile.Write(ref _threadSentinel, 0);
}
#endif
}
}
public void Alloc(uint newCapacity)
{
DBC.Common.Check.Require(buffer == null || buffer.ToNativeArray(out _) == IntPtr.Zero, "can't alloc an already allocated buffer");
var realBuffer = MemoryUtilities.Alloc((uint)(newCapacity * MemoryUtilities.SizeOf <T>()), Allocator.Persistent);
NB <T> b = new NB <T>(realBuffer, newCapacity);
buffer = b;
this.realBuffer = b;
}
public ref T Get <T>(uint index) where T : struct
{
unsafe {
#if DEBUG && !PROFILE_SVELTO
uint sizeOf = (uint)MemoryUtilities.SizeOf <T>();
if (index + sizeOf > _writeIndex)
{
throw new Exception("no reading authorized");
}
#endif
return(ref Unsafe.AsRef <T>(Unsafe.Add <T>(ptr, (int)index)));
}
}
public SharedSveltoDictionaryNative(uint size, Allocator nativeAllocator)
{
var dictionary =
new SveltoDictionary <TKey, TValue, NativeStrategy <SveltoDictionaryNode <TKey> >, NativeStrategy <TValue>,
NativeStrategy <int> >(
size, nativeAllocator);
int structSize = MemoryUtilities.SizeOf <SveltoDictionary <TKey, TValue, NativeStrategy <SveltoDictionaryNode <TKey> >, NativeStrategy <TValue>,
NativeStrategy <int> > >();
_sharedDictionary = MemoryUtilities.Alloc((uint)structSize, Allocator.Persistent);
_dictionary = dictionary;
}
public NativeBag(Allocator allocator)
{
unsafe
{
var sizeOf = MemoryUtilities.SizeOf <UnsafeBlob>();
var listData = (UnsafeBlob *)MemoryUtilities.Alloc((uint)sizeOf, allocator);
//clear to nullify the pointers
MemoryUtilities.MemClear((IntPtr)listData, (uint)sizeOf);
listData->allocator = allocator;
_queue = listData;
}
}
public void Alloc(uint newCapacity, Allocator nativeAllocator)
{
_nativeAllocator = nativeAllocator;
Check.Require(this._realBuffer.ToNativeArray(out _) == IntPtr.Zero
, "can't alloc an already allocated buffer");
var realBuffer =
MemoryUtilities.Alloc((uint)(newCapacity * MemoryUtilities.SizeOf <T>()), _nativeAllocator);
NB <T> b = new NB <T>(realBuffer, newCapacity);
_buffer = IntPtr.Zero;
this._realBuffer = b;
}
public NativeBag(Allocator allocator)
{
unsafe {
var sizeOf = MemoryUtilities.SizeOf <UnsafeBlob>();
var listData = (UnsafeBlob *)MemoryUtilities.Alloc((uint)sizeOf, allocator);
//clear to nullify the pointers
//MemoryUtilities.MemClear((IntPtr) listData, (uint) sizeOf);
listData->allocator = allocator;
_queue = listData;
#if ENABLE_THREAD_SAFE_CHECKS
_threadSentinel = 0;
#endif
}
}
public void Resize(uint newCapacity)
{
Check.Require(newCapacity > 0, "Resize requires a size greater than 0");
Check.Require(newCapacity > capacity, "can't resize to a smaller size");
var pointer = _realBuffer.ToNativeArray(out _);
var sizeOf = MemoryUtilities.SizeOf <T>();
pointer = MemoryUtilities.Realloc(pointer, (uint)(capacity * sizeOf), (uint)(newCapacity * sizeOf)
, Allocator.Persistent);
NB <T> b = new NB <T>(pointer, newCapacity);
_buffer = IntPtr.Zero;
_realBuffer = b;
}
public void Alloc(uint newCapacity, Allocator nativeAllocator)
{
#if DEBUG && !PROFILE_SVELTO
if (!(this._realBuffer.ToNativeArray(out _) == IntPtr.Zero))
{
throw new PreconditionException("can't alloc an already allocated buffer");
}
#endif
_nativeAllocator = nativeAllocator;
var realBuffer =
MemoryUtilities.Alloc((uint)(newCapacity * MemoryUtilities.SizeOf <T>()), _nativeAllocator);
NB <T> b = new NB <T>(realBuffer, newCapacity);
_buffer = default;
_realBuffer = b;
}
public ThreadSafeNativeBag(Allocator allocator, uint capacity)
{
unsafe
{
var sizeOf = MemoryUtilities.SizeOf <UnsafeBlob>();
var listData = (UnsafeBlob *)MemoryUtilities.Alloc((uint)sizeOf, allocator);
//clear to nullify the pointers
//MemoryUtilities.MemClear((IntPtr) listData, (uint) sizeOf);
listData->allocator = allocator;
_queue = = tData;
_queue->Realloc(capacity);
}
_writingGuard = 0;
}
public NativeBag(Allocator allocator)
{
unsafe
{
var sizeOf = MemoryUtilities.SizeOf <UnsafeBlob>();
var listData = (UnsafeBlob *)MemoryUtilities.Alloc((uint)sizeOf, allocator);
//clear to nullify the pointers
MemoryUtilities.MemClear((IntPtr)listData, (uint)sizeOf);
listData->allocator = allocator;
_queue = listData;
#if DEBUG && !PROFILE_SVELTO
_threadSentinel = 0;
#endif
}
}
public int Capacity <T>() where T : struct
{
unsafe {
#if DEBUG && !PROFILE_SVELTO
if (_list == null)
{
throw new Exception("NativeDynamicArray: null-access");
}
if (_hashType != TypeHash <T> .hash)
{
throw new Exception("NativeDynamicArray: not expected type used");
}
#endif
return(_list->capacity / MemoryUtilities.SizeOf <T>());
}
}
public int Count <T>() where T : struct
{
unsafe
{
#if ENABLE_DEBUG_CHECKS
if (_list == null)
{
throw new Exception("NativeDynamicArray: null-access");
}
if (_hashType != TypeHash <T> .hash)
{
throw new Exception($"NativeDynamicArray: not expected type used");
}
#endif
return(_list->count / MemoryUtilities.SizeOf <T>());
}
}
public uint Count <T>() where T : unmanaged
{
unsafe
{
#if DEBUG && !PROFILE_SVELTO
if (_list == null)
{
throw new Exception("NativeDynamicArray: null-access");
}
if (hashType != TypeHash <T> .hash)
{
throw new Exception("NativeDynamicArray: not excepted type used");
}
#endif
return((uint)(_list->count / MemoryUtilities.SizeOf <T>()));
}
}
public ref T ReserveEnqueue <T>(out UnsafeArrayIndex index) where T : struct
{
unsafe
{
#if DEBUG && !PROFILE_SVELTO
if (_queue == null)
{
throw new Exception("SimpleNativeArray: null-access");
}
#endif
var sizeOf = MemoryUtilities.SizeOf <T>();
if (_queue->space - sizeOf < 0)
{
_queue->Realloc((uint)((_queue->capacity + sizeOf) * 2.0f));
}
return(ref _queue->Reserve <T>(out index));
}
}
public void Resize(uint newCapacity)
{
#if DEBUG && !PROFILE_SVELTO
if (!(newCapacity > 0))
{
throw new PreconditionException("Resize requires a size greater than 0");
}
if (!(newCapacity > capacity))
{
throw new PreconditionException("can't resize to a smaller size");
}
#endif
var pointer = _realBuffer.ToNativeArray(out _);
var sizeOf = MemoryUtilities.SizeOf <T>();
pointer = MemoryUtilities.Realloc(pointer, (uint)(capacity * sizeOf), (uint)(newCapacity * sizeOf)
, Allocator.Persistent);
NB <T> b = new NB <T>(pointer, newCapacity);
_buffer = IntPtr.Zero;
_realBuffer = b;
}
public void Resize(uint newCapacity, bool copyContent = true)
{
#if DEBUG && !PROFILE_SVELTO
if (!(newCapacity > 0))
{
throw new PreconditionException("Resize requires a size greater or equal to 0");
}
if (!(newCapacity > capacity))
{
throw new PreconditionException("can't resize to a smaller size");
}
#endif
var pointer = _realBuffer.ToNativeArray(out _);
var sizeOf = MemoryUtilities.SizeOf <T>();
pointer = MemoryUtilities.Realloc(pointer, (uint)(capacity * sizeOf), (uint)(newCapacity * sizeOf)
, _nativeAllocator, copyContent);
NB <T> b = new NB <T>(pointer, newCapacity);
_realBuffer = b;
_invalidHandle = true;
}
public ref T ReserveEnqueue <T>
(out UnsafeArrayIndex index)
where T : struct //should be unmanaged, but it's not due to Svelto.ECS constraints.
{
unsafe
{
BasicTests();
var sizeOf = MemoryUtilities.SizeOf <T>();
using (_threadSentinel.TestThreadSafety())
{
if (_queue->availableSpace - sizeOf < 0)
{
_queue->Grow <T>();
}
return(ref _queue->Reserve <T>(out index));
}
}
}
public AtomicNativeBags(Allocator allocator)
{
_allocator = allocator;
_threadsCount = JobsUtility.MaxJobThreadCount + 1;
var bufferSize = MemoryUtilities.SizeOf <NativeBag>();
var bufferCount = _threadsCount;
var allocationSize = bufferSize * bufferCount;
var ptr = (byte *)MemoryUtilities.Alloc((uint)allocationSize, allocator);
MemoryUtilities.MemClear((IntPtr)ptr, (uint)allocationSize);
for (int i = 0; i < bufferCount; i++)
{
var bufferPtr = (NativeBag *)(ptr + bufferSize * i);
var buffer = new NativeBag(allocator);
MemoryUtilities.CopyStructureToPtr(ref buffer, (IntPtr)bufferPtr);
}
_data = (NativeBag *)ptr;
}
public void Clear()
{
MemoryUtilities.MemClear(_ptr, (uint)(_capacity * MemoryUtilities.SizeOf <T>()));
}
