add from giga-device, new branch added

2025-08-21 16:51:25 +08:00
commit 43bbc06bbb
1296 changed files with 264186 additions and 0 deletions
@@ -0,0 +1,122 @@
+//-----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+// file="HLSFAllocationHandle.cs"
+// Project: StgSharp
+// AuthorGroup: Nitload Space
+// Copyright (c) Nitload Space. All rights reserved.
+//     
+// Permission is hereby granted, free of charge, to any person 
+// obtaining a copy of this software and associated documentation 
+// files (the “Software”), to deal in the Software without restriction, 
+// including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, 
+// and to permit persons to whom the Software is furnished to do so, 
+// subject to the following conditions:
+//     
+// The above copyright notice and 
+// this permission notice shall be included in all copies 
+// or substantial portions of the Software.
+//     
+// THE SOFTWARE IS PROVIDED “AS IS”, 
+// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+// ARISING FROM, OUT OF OR IN CONNECTION WITH 
+// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//     
+// -----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+using StgSharp.Entities;
+
+using System;
+using System.Buffers;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+using Allocator = StgSharp.HighPerformance.Memory.HybridLayerSegregatedFitAllocator;
+
+namespace StgSharp.HighPerformance.Memory
+{
+    public unsafe struct HybridLayerSegregatedFitAllocationHandle
+    {
+
+        internal readonly byte* BufferPointer;
+
+        internal readonly Allocator.Entry* EntryHandle;
+        public readonly uint AllocSize;
+
+        internal HybridLayerSegregatedFitAllocationHandle(Allocator.Entry* handle, uint s)
+        {
+            EntryHandle = handle;
+            BufferPointer = (byte*)handle->Position;
+            AllocSize = s;
+        }
+
+        public readonly ref byte this[int index]
+        {
+[MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => ref BufferPointer[index];
+        }
+
+        public readonly byte* Pointer
+        {
+[MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => BufferPointer;
+        }
+
+        public readonly Span<byte> BufferHandle
+        {
+[MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => new((byte*) EntryHandle->Position, (int)AllocSize);
+        }
+
+        public readonly Enumerator GetEnumerator()
+        {
+            return new Enumerator(this);
+        }
+
+        public ref struct Enumerator : IEnumerator<byte>
+        {
+
+            private HybridLayerSegregatedFitAllocationHandle _handle;
+
+            private int _index = -1;
+
+            internal Enumerator(HybridLayerSegregatedFitAllocationHandle span)
+            {
+                _handle = span;
+                Span = span.BufferHandle;
+            }
+
+            public ref byte RefCurrent => ref _handle[_index];
+
+            public Span<byte> Span { get; init; }
+
+            public readonly void Dispose() { }
+
+            public bool MoveNext()
+            {
+                _index++;
+                return _index < _handle.AllocSize;
+            }
+
+            public void Reset()
+            {
+                _index = 0;
+            }
+
+            object IEnumerator.Current => RefCurrent;
+
+            byte IEnumerator<byte>.Current => RefCurrent;
+
+        }
+
+    }
+}