- Allocate Buffers from memory manager

src/ImageSharp.Drawing/Brushes/ImageBrush{TPixel}.cs

@@ -122,8 +122,8 @@ namespace SixLabors.ImageSharp.Drawing.Brushes
             internal override void Apply(Span<float> scanline, int x, int y)
             {
                 // Create a span for colors
-                using (var amountBuffer = new Buffer<float>(scanline.Length))
+                using (var amountBuffer = MemoryManager.Current.Allocate<float>(scanline.Length))
-                using (var overlay = new Buffer<TPixel>(scanline.Length))
+                using (var overlay = MemoryManager.Current.Allocate<TPixel>(scanline.Length))
                 {
                     int sourceY = (y - this.offsetY) % this.yLength;
                     int offsetX = x - this.offsetX;

src/ImageSharp.Drawing/Brushes/PatternBrush{TPixel}.cs

@@ -152,8 +152,8 @@ namespace SixLabors.ImageSharp.Drawing.Brushes
             internal override void Apply(Span<float> scanline, int x, int y)
             {
                 int patternY = y % this.pattern.Height;
-                using (var amountBuffer = new Buffer<float>(scanline.Length))
+                using (var amountBuffer = MemoryManager.Current.Allocate<float>(scanline.Length))
-                using (var overlay = new Buffer<TPixel>(scanline.Length))
+                using (var overlay = MemoryManager.Current.Allocate<TPixel>(scanline.Length))
                 {
                     for (int i = 0; i < scanline.Length; i++)
                     {

src/ImageSharp.Drawing/Brushes/Processors/BrushApplicator.cs

@@ -65,8 +65,8 @@ namespace SixLabors.ImageSharp.Drawing.Brushes.Processors
         /// <remarks>scanlineBuffer will be > scanlineWidth but provide and offset in case we want to share a larger buffer across runs.</remarks>
         internal virtual void Apply(Span<float> scanline, int x, int y)
         {
-            using (var amountBuffer = new Buffer<float>(scanline.Length))
+            using (var amountBuffer = MemoryManager.Current.Allocate<float>(scanline.Length))
-            using (var overlay = new Buffer<TPixel>(scanline.Length))
+            using (var overlay = MemoryManager.Current.Allocate<TPixel>(scanline.Length))
             {
                 for (int i = 0; i < scanline.Length; i++)
                 {

src/ImageSharp.Drawing/Brushes/RecolorBrush{TPixel}.cs

@@ -144,8 +144,8 @@ namespace SixLabors.ImageSharp.Drawing.Brushes
             /// <inheritdoc />
             internal override void Apply(Span<float> scanline, int x, int y)
             {
-                using (var amountBuffer = new Buffer<float>(scanline.Length))
+                using (var amountBuffer = MemoryManager.Current.Allocate<float>(scanline.Length))
-                using (var overlay = new Buffer<TPixel>(scanline.Length))
+                using (var overlay = MemoryManager.Current.Allocate<TPixel>(scanline.Length))
                 {
                     for (int i = 0; i < scanline.Length; i++)
                     {

src/ImageSharp.Drawing/Brushes/SolidBrush{TPixel}.cs

@@ -61,7 +61,7 @@ namespace SixLabors.ImageSharp.Drawing.Brushes
             public SolidBrushApplicator(ImageFrame<TPixel> source, TPixel color, GraphicsOptions options)
                 : base(source, options)
             {
-                this.Colors = new Buffer<TPixel>(source.Width);
+                this.Colors = MemoryManager.Current.Allocate<TPixel>(source.Width);
                 for (int i = 0; i < this.Colors.Length; i++)
                 {
                     this.Colors[i] = color;
@@ -96,7 +96,7 @@ namespace SixLabors.ImageSharp.Drawing.Brushes
                 {
                     Span<TPixel> destinationRow = this.Target.GetPixelRowSpan(y).Slice(x, scanline.Length);
 
-                    using (var amountBuffer = new Buffer<float>(scanline.Length))
+                    using (var amountBuffer = MemoryManager.Current.Allocate<float>(scanline.Length))
                     {
                         for (int i = 0; i < scanline.Length; i++)
                         {

src/ImageSharp.Drawing/Paths/ShapeRegion.cs

@@ -46,7 +46,7 @@ namespace SixLabors.ImageSharp.Drawing
         {
             var start = new PointF(this.Bounds.Left - 1, y);
             var end = new PointF(this.Bounds.Right + 1, y);
-            using (var innerBuffer = new Buffer<PointF>(buffer.Length))
+            using (var innerBuffer = MemoryManager.Current.Allocate<PointF>(buffer.Length))
             {
                 PointF[] array = innerBuffer.Array;
                 int count = this.Shape.FindIntersections(start, end, array, 0);

src/ImageSharp.Drawing/Processors/DrawImageProcessor.cs

@@ -84,7 +84,7 @@ namespace SixLabors.ImageSharp.Drawing.Processors
                 maxY = Math.Min(this.Location.Y + this.Size.Height, maxY);
 
                 int width = maxX - minX;
-                using (var amount = new Buffer<float>(width))
+                using (var amount = MemoryManager.Current.Allocate<float>(width))
                 {
                     for (int i = 0; i < width; i++)
                     {

src/ImageSharp.Drawing/Processors/FillProcessor.cs

@@ -66,7 +66,7 @@ namespace SixLabors.ImageSharp.Drawing.Processors
 
             int width = maxX - minX;
 
-            using (var amount = new Buffer<float>(width))
+            using (var amount = MemoryManager.Current.Allocate<float>(width))
             using (BrushApplicator<TPixel> applicator = this.brush.CreateApplicator(source, sourceRectangle, this.options))
             {
                     for (int i = 0; i < width; i++)

src/ImageSharp.Drawing/Processors/FillRegionProcessor.cs

@@ -102,7 +102,7 @@ namespace SixLabors.ImageSharp.Drawing.Processors
             {
                 float[] buffer = arrayPool.Rent(maxIntersections);
                 int scanlineWidth = maxX - minX;
-                using (var scanline = new Buffer<float>(scanlineWidth))
+                using (var scanline = MemoryManager.Current.Allocate<float>(scanlineWidth))
                 {
                     try
                     {

src/ImageSharp/Configuration.cs

@@ -12,6 +12,7 @@ using SixLabors.ImageSharp.Formats.Gif;
 using SixLabors.ImageSharp.Formats.Jpeg;
 using SixLabors.ImageSharp.Formats.Png;
 using SixLabors.ImageSharp.IO;
+using SixLabors.ImageSharp.Memory;
 
 namespace SixLabors.ImageSharp
 {

src/ImageSharp/Formats/Gif/GifDecoderCore.cs

@@ -124,7 +124,7 @@ namespace SixLabors.ImageSharp.Formats.Gif
                 if (this.logicalScreenDescriptor.GlobalColorTableFlag)
                 {
                     this.globalColorTableLength = this.logicalScreenDescriptor.GlobalColorTableSize * 3;
-                    this.globalColorTable = Buffer<byte>.CreateClean(this.globalColorTableLength);
+                    this.globalColorTable = MemoryManager.Current.Allocate<byte>(this.globalColorTableLength, true);
 
                     // Read the global color table from the stream
                     stream.Read(this.globalColorTable.Array, 0, this.globalColorTableLength);
@@ -320,11 +320,11 @@ namespace SixLabors.ImageSharp.Formats.Gif
                 if (imageDescriptor.LocalColorTableFlag)
                 {
                     int length = imageDescriptor.LocalColorTableSize * 3;
-                    localColorTable = Buffer<byte>.CreateClean(length);
+                    localColorTable = MemoryManager.Current.Allocate<byte>(length, true);
                     this.currentStream.Read(localColorTable.Array, 0, length);
                 }
 
-                indices = Buffer<byte>.CreateClean(imageDescriptor.Width * imageDescriptor.Height);
+                indices = MemoryManager.Current.Allocate<byte>(imageDescriptor.Width * imageDescriptor.Height, true);
 
                 this.ReadFrameIndices(imageDescriptor, indices);
                 this.ReadFrameColors(indices, localColorTable ?? this.globalColorTable, imageDescriptor);

src/ImageSharp/Formats/Jpeg/Common/Decoder/JpegImagePostProcessor.cs

@@ -53,7 +53,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Common.Decoder
             this.PostProcessorBufferSize = new Size(c0.SizeInBlocks.Width * 8, PixelRowsPerStep);
 
             this.ComponentProcessors = rawJpeg.Components.Select(c => new JpegComponentPostProcessor(this, c)).ToArray();
-            this.rgbaBuffer = new Buffer<Vector4>(rawJpeg.ImageSizeInPixels.Width);
+            this.rgbaBuffer = MemoryManager.Current.Allocate<Vector4>(rawJpeg.ImageSizeInPixels.Width);
             this.colorConverter = ColorConverters.JpegColorConverter.GetConverter(rawJpeg.ColorSpace);
         }
 

src/ImageSharp/Formats/Jpeg/PdfJsPort/Components/PdfJsFrameComponent.cs

@@ -114,7 +114,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort.Components
             int blocksBufferSize = 64 * this.BlocksPerColumnForMcu * (this.BlocksPerLineForMcu + 1);
 
             // Pooled. Disposed via frame disposal
-            this.BlockData = Buffer<short>.CreateClean(blocksBufferSize);
+            this.BlockData = MemoryManager.Current.Allocate<short>(blocksBufferSize, true);
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]

src/ImageSharp/Formats/Jpeg/PdfJsPort/Components/PdfJsHuffmanTable.cs

@@ -24,12 +24,12 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort.Components
         /// <param name="values">The huffman values</param>
         public PdfJsHuffmanTable(byte[] lengths, byte[] values)
         {
-            this.lookahead = Buffer<short>.CreateClean(256);
+            this.lookahead = MemoryManager.Current.Allocate<short>(256, true);
-            this.valOffset = Buffer<short>.CreateClean(18);
+            this.valOffset = MemoryManager.Current.Allocate<short>(18, true);
-            this.maxcode = Buffer<long>.CreateClean(18);
+            this.maxcode = MemoryManager.Current.Allocate<long>(18, true);
 
-            using (var huffsize = Buffer<short>.CreateClean(257))
+            using (var huffsize = MemoryManager.Current.Allocate<short>(257, true))
-            using (var huffcode = Buffer<short>.CreateClean(257))
+            using (var huffcode = MemoryManager.Current.Allocate<short>(257, true))
             {
                 GenerateSizeTable(lengths, huffsize);
                 GenerateCodeTable(huffsize, huffcode);
@@ -37,7 +37,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort.Components
                 GenerateLookaheadTables(lengths, values, this.lookahead);
             }
 
-            this.huffval = Buffer<byte>.CreateClean(values.Length);
+            this.huffval = MemoryManager.Current.Allocate<byte>(values.Length, true);
             Buffer.BlockCopy(values, 0, this.huffval.Array, 0, values.Length);
 
             this.MaxCode = this.maxcode.Array;

src/ImageSharp/Formats/Jpeg/PdfJsPort/Components/PdfJsJpegPixelArea.cs

@@ -69,11 +69,11 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort.Components
             this.rowStride = width * numberOfComponents;
             var scale = new Vector2(this.imageWidth / (float)width, this.imageHeight / (float)height);
 
-            this.componentData = new Buffer<byte>(width * height * numberOfComponents);
+            this.componentData = MemoryManager.Current.Allocate<byte>(width * height * numberOfComponents);
             Span<byte> componentDataSpan = this.componentData;
             const uint Mask3Lsb = 0xFFFFFFF8; // Used to clear the 3 LSBs
 
-            using (var xScaleBlockOffset = new Buffer<int>(width))
+            using (var xScaleBlockOffset = MemoryManager.Current.Allocate<int>(width))
             {
                 Span<int> xScaleBlockOffsetSpan = xScaleBlockOffset;
                 for (int i = 0; i < numberOfComponents; i++)

src/ImageSharp/Formats/Jpeg/PdfJsPort/PdfJsJpegDecoderCore.cs

@@ -673,14 +673,14 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort
                 throw new ImageFormatException($"DHT has wrong length: {remaining}");
             }
 
-            using (var huffmanData = Buffer<byte>.CreateClean(256))
+            using (var huffmanData = MemoryManager.Current.Allocate<byte>(256, true))
             {
                 for (int i = 2; i < remaining;)
                 {
                     byte huffmanTableSpec = (byte)this.InputStream.ReadByte();
                     this.InputStream.Read(huffmanData.Array, 0, 16);
 
-                    using (var codeLengths = Buffer<byte>.CreateClean(17))
+                    using (var codeLengths = MemoryManager.Current.Allocate<byte>(17, true))
                     {
                         int codeLengthSum = 0;
 
@@ -689,7 +689,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort
                             codeLengthSum += codeLengths[j] = huffmanData[j - 1];
                         }
 
-                        using (var huffmanValues = Buffer<byte>.CreateClean(256))
+                        using (var huffmanValues = MemoryManager.Current.Allocate<byte>(256, true))
                         {
                             this.InputStream.Read(huffmanValues.Array, 0, codeLengthSum);
 
@@ -784,8 +784,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.PdfJsPort
         {
             int blocksPerLine = component.BlocksPerLine;
             int blocksPerColumn = component.BlocksPerColumn;
-            using (var computationBuffer = Buffer<short>.CreateClean(64))
+            using (var computationBuffer = MemoryManager.Current.Allocate<short>(64, true))
-            using (var multiplicationBuffer = Buffer<short>.CreateClean(64))
+            using (var multiplicationBuffer = MemoryManager.Current.Allocate<short>(64, true))
             {
                 Span<short> quantizationTable = this.quantizationTables.Tables.GetRowSpan(frameComponent.QuantizationTableIndex);
                 Span<short> computationBufferSpan = computationBuffer;

src/ImageSharp/Formats/Png/PngDecoderCore.cs

@@ -375,8 +375,8 @@ namespace SixLabors.ImageSharp.Formats.Png
                 this.bytesPerSample = this.header.BitDepth / 8;
             }
 
-            this.previousScanline = Buffer<byte>.CreateClean(this.bytesPerScanline);
+            this.previousScanline = MemoryManager.Current.Allocate<byte>(this.bytesPerScanline, true);
-            this.scanline = Buffer<byte>.CreateClean(this.bytesPerScanline);
+            this.scanline = MemoryManager.Current.Allocate<byte>(this.bytesPerScanline, true);
         }
 
         /// <summary>
@@ -669,7 +669,7 @@ namespace SixLabors.ImageSharp.Formats.Png
                         if (this.header.BitDepth == 16)
                         {
                             int length = this.header.Width * 3;
-                            using (var compressed = new Buffer<byte>(length))
+                            using (var compressed = MemoryManager.Current.Allocate<byte>(length))
                             {
                                 // TODO: Should we use pack from vector here instead?
                                 this.From16BitTo8Bit(scanlineBuffer, compressed, length);
@@ -686,7 +686,7 @@ namespace SixLabors.ImageSharp.Formats.Png
                         if (this.header.BitDepth == 16)
                         {
                             int length = this.header.Width * 3;
-                            using (var compressed = new Buffer<byte>(length))
+                            using (var compressed = MemoryManager.Current.Allocate<byte>(length))
                             {
                                 // TODO: Should we use pack from vector here instead?
                                 this.From16BitTo8Bit(scanlineBuffer, compressed, length);
@@ -727,7 +727,7 @@ namespace SixLabors.ImageSharp.Formats.Png
                     if (this.header.BitDepth == 16)
                     {
                         int length = this.header.Width * 4;
-                        using (var compressed = new Buffer<byte>(length))
+                        using (var compressed = MemoryManager.Current.Allocate<byte>(length))
                         {
                             // TODO: Should we use pack from vector here instead?
                             this.From16BitTo8Bit(scanlineBuffer, compressed, length);
@@ -930,7 +930,7 @@ namespace SixLabors.ImageSharp.Formats.Png
                     if (this.header.BitDepth == 16)
                     {
                         int length = this.header.Width * 3;
-                        using (var compressed = new Buffer<byte>(length))
+                        using (var compressed = MemoryManager.Current.Allocate<byte>(length))
                         {
                             // TODO: Should we use pack from vector here instead?
                             this.From16BitTo8Bit(scanlineBuffer, compressed, length);
@@ -998,7 +998,7 @@ namespace SixLabors.ImageSharp.Formats.Png
                     if (this.header.BitDepth == 16)
                     {
                         int length = this.header.Width * 4;
-                        using (var compressed = new Buffer<byte>(length))
+                        using (var compressed = MemoryManager.Current.Allocate<byte>(length))
                         {
                             // TODO: Should we use pack from vector here instead?
                             this.From16BitTo8Bit(scanlineBuffer, compressed, length);

src/ImageSharp/Formats/Png/PngEncoderCore.cs

@@ -620,16 +620,16 @@ namespace SixLabors.ImageSharp.Formats.Png
             this.bytesPerScanline = this.width * this.bytesPerPixel;
             int resultLength = this.bytesPerScanline + 1;
 
-            this.previousScanline = Buffer<byte>.CreateClean(this.bytesPerScanline);
+            this.previousScanline = MemoryManager.Current.Allocate<byte>(this.bytesPerScanline, true);
-            this.rawScanline = Buffer<byte>.CreateClean(this.bytesPerScanline);
+            this.rawScanline = MemoryManager.Current.Allocate<byte>(this.bytesPerScanline, true);
-            this.result = Buffer<byte>.CreateClean(resultLength);
+            this.result = MemoryManager.Current.Allocate<byte>(resultLength, true);
 
             if (this.pngColorType != PngColorType.Palette)
             {
-                this.sub = Buffer<byte>.CreateClean(resultLength);
+                this.sub = MemoryManager.Current.Allocate<byte>(resultLength, true);
-                this.up = Buffer<byte>.CreateClean(resultLength);
+                this.up = MemoryManager.Current.Allocate<byte>(resultLength, true);
-                this.average = Buffer<byte>.CreateClean(resultLength);
+                this.average = MemoryManager.Current.Allocate<byte>(resultLength, true);
-                this.paeth = Buffer<byte>.CreateClean(resultLength);
+                this.paeth = MemoryManager.Current.Allocate<byte>(resultLength, true);
             }
 
             byte[] buffer;

src/ImageSharp/Image/Image.Decode.cs

@@ -29,7 +29,7 @@ namespace SixLabors.ImageSharp
                 return null;
             }
 
-            using (var buffer = new Buffer<byte>(maxHeaderSize))
+            using (var buffer = MemoryManager.Current.Allocate<byte>(maxHeaderSize))
             {
                 long startPosition = stream.Position;
                 stream.Read(buffer.Array, 0, maxHeaderSize);

src/ImageSharp/Image/PixelArea{TPixel}.cs

@@ -116,7 +116,7 @@ namespace SixLabors.ImageSharp
             this.RowStride = (width * GetComponentCount(componentOrder)) + padding;
             this.Length = this.RowStride * height;
 
-            this.byteBuffer = Buffer<byte>.CreateClean(this.Length);
+            this.byteBuffer = MemoryManager.Current.Allocate<byte>(this.Length, true);
         }
 
         /// <summary>

src/ImageSharp/Memory/ArrayPoolMemoryManager.cs

@@ -0,0 +1,28 @@
+using System.Buffers;
+
+namespace SixLabors.ImageSharp.Memory
+{
+    /// <summary>
+    /// Implements <see cref="MemoryManager"/> by allocating memory from <see cref="ArrayPool{T}"/>.
+    /// </summary>
+    public class ArrayPoolMemoryManager : MemoryManager
+    {
+        /// <inheritdoc />
+        internal override Buffer<T> Allocate<T>(int size, bool clear = false)
+        {
+            var buffer = new Buffer<T>(PixelDataPool<T>.Rent(size), size, this);
+            if (clear)
+            {
+                buffer.Clear();
+            }
+
+            return buffer;
+        }
+
+        /// <inheritdoc />
+        internal override void Release<T>(Buffer<T> buffer)
+        {
+            PixelDataPool<T>.Return(buffer.Array);
+        }
+    }
+}

src/ImageSharp/Memory/Buffer2D{T}.cs

@@ -1,20 +1,20 @@
 // Copyright (c) Six Labors and contributors.
 // Licensed under the Apache License, Version 2.0.
 
+using System;
 using System.Runtime.CompilerServices;
 using SixLabors.Primitives;
 
 namespace SixLabors.ImageSharp.Memory
 {
-    using System;
-
     /// <summary>
     /// Represents a buffer of value type objects
     /// interpreted as a 2D region of <see cref="Width"/> x <see cref="Height"/> elements.
     /// </summary>
     /// <typeparam name="T">The value type.</typeparam>
     internal class Buffer2D<T> : IBuffer2D<T>, IDisposable
-        where T : struct {
+        where T : struct
+    {
         public Buffer2D(Size size)
             : this(size.Width, size.Height)
         {
@@ -26,7 +26,7 @@ namespace SixLabors.ImageSharp.Memory
         /// <param name="width">The number of elements in a row</param>
         /// <param name="height">The number of rows</param>
         public Buffer2D(int width, int height)
-            : this(MemoryManager.Current.Allocate<T>(width * height), width, height) 
+            : this(MemoryManager.Current.Allocate<T>(width * height), width, height)
         {
             this.Width = width;
             this.Height = height;
@@ -38,7 +38,8 @@ namespace SixLabors.ImageSharp.Memory
         /// <param name="array">The array to pin</param>
         /// <param name="width">The number of elements in a row</param>
         /// <param name="height">The number of rows</param>
-        public Buffer2D(T[] array, int width, int height) {
+        public Buffer2D(T[] array, int width, int height)
+        {
             this.Buffer = new Buffer<T>(array, width * height);
             this.Width = width;
             this.Height = height;
@@ -50,7 +51,8 @@ namespace SixLabors.ImageSharp.Memory
         /// <param name="wrappedBuffer">The buffer to wrap</param>
         /// <param name="width">The number of elements in a row</param>
         /// <param name="height">The number of rows</param>
-        public Buffer2D(Buffer<T> wrappedBuffer, int width, int height) {
+        public Buffer2D(Buffer<T> wrappedBuffer, int width, int height)
+        {
             this.Buffer = wrappedBuffer;
             this.Width = width;
             this.Height = height;
@@ -92,7 +94,7 @@ namespace SixLabors.ImageSharp.Memory
         /// <returns>The <see cref="Buffer{T}"/> instance</returns>
         public static Buffer2D<T> CreateClean(int width, int height)
         {
-            return new Buffer2D<T>(MemoryManager.Current.Allocate<T>(width*height, true), width, height);
+            return new Buffer2D<T>(MemoryManager.Current.Allocate<T>(width * height, true), width, height);
         }
 
         /// <summary>
@@ -102,7 +104,8 @@ namespace SixLabors.ImageSharp.Memory
         /// <returns>The <see cref="Buffer2D{T}"/> instance</returns>
         public static Buffer2D<T> CreateClean(Size size) => CreateClean(size.Width, size.Height);
 
-        public void Dispose() {
+        public void Dispose()
+        {
             this.Buffer?.Dispose();
         }
     }

src/ImageSharp/Memory/Buffer{T}.cs

@@ -16,6 +16,8 @@ namespace SixLabors.ImageSharp.Memory
     internal class Buffer<T> : IBuffer<T>
         where T : struct
     {
+        private MemoryManager memoryManager;
+
         /// <summary>
         /// A pointer to the first element of <see cref="Array"/> when pinned.
         /// </summary>
@@ -26,23 +28,6 @@ namespace SixLabors.ImageSharp.Memory
         /// </summary>
         private GCHandle handle;
 
-        /// <summary>
-        /// A value indicating wheter <see cref="Array"/> should be returned to <see cref="PixelDataPool{T}"/>
-        /// when disposing this <see cref="Buffer{T}"/> instance.
-        /// </summary>
-        private bool isPoolingOwner;
-
-        /// <summary>
-        /// Initializes a new instance of the <see cref="Buffer{T}"/> class.
-        /// </summary>
-        /// <param name="length">The desired count of elements. (Minimum size for <see cref="Array"/>)</param>
-        public Buffer(int length)
-        {
-            this.Length = length;
-            this.Array = PixelDataPool<T>.Rent(length);
-            this.isPoolingOwner = true;
-        }
-
         /// <summary>
         /// Initializes a new instance of the <see cref="Buffer{T}"/> class.
         /// </summary>
@@ -51,7 +36,6 @@ namespace SixLabors.ImageSharp.Memory
         {
             this.Length = array.Length;
             this.Array = array;
-            this.isPoolingOwner = false;
         }
 
         /// <summary>
@@ -68,7 +52,6 @@ namespace SixLabors.ImageSharp.Memory
 
             this.Length = length;
             this.Array = array;
-            this.isPoolingOwner = false;
         }
 
         internal Buffer(T[] array, int length, MemoryManager memoryManager)
@@ -140,19 +123,6 @@ namespace SixLabors.ImageSharp.Memory
             return new Span<T>(buffer.Array, 0, buffer.Length);
         }
 
-        /// <summary>
-        /// Creates a clean instance of <see cref="Buffer{T}"/> initializing it's elements with 'default(T)'.
-        /// </summary>
-        /// <param name="count">The desired count of elements. (Minimum size for <see cref="Array"/>)</param>
-        /// <returns>The <see cref="Buffer{T}"/> instance</returns>
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static Buffer<T> CreateClean(int count)
-        {
-            Buffer<T> buffer = new Buffer<T>(count);
-            buffer.Clear();
-            return buffer;
-        }
-
         /// <summary>
         /// Gets a <see cref="Span{T}"/> to an offseted position inside the buffer.
         /// </summary>
@@ -190,12 +160,9 @@ namespace SixLabors.ImageSharp.Memory
             this.IsDisposedOrLostArrayOwnership = true;
             this.UnPin();
 
-            if (this.isPoolingOwner)
+            this.memoryManager?.Release(this);
-            {
-                PixelDataPool<T>.Return(this.Array);
-            }
 
-            this.isPoolingOwner = false;
+            this.memoryManager = null;
             this.Array = null;
             this.Length = 0;
 
@@ -220,7 +187,7 @@ namespace SixLabors.ImageSharp.Memory
             this.UnPin();
             T[] array = this.Array;
             this.Array = null;
-            this.isPoolingOwner = false;
+            this.memoryManager = null;
             return array;
         }
 

src/ImageSharp/Memory/MemoryManager.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SixLabors.ImageSharp.Memory
+{
+    /// <summary>
+    /// Memory managers are used to allocate memory for image processing operations.
+    /// </summary>
+    public abstract class MemoryManager
+    {
+        /// <summary>
+        /// Gets or sets the <see cref="MemoryManager"/> that is currently in use.
+        /// </summary>
+        public static MemoryManager Current { get; set; } = new ArrayPoolMemoryManager();
+
+        /// <summary>
+        /// Allocates a <see cref="Buffer{T}"/> of size <paramref name="size"/>, optionally
+        /// clearing the buffer before it gets returned.
+        /// </summary>
+        /// <typeparam name="T">Type of the data stored in the buffer</typeparam>
+        /// <param name="size">Size of the buffer to allocate</param>
+        /// <param name="clear">True to clear the backing memory of the buffer</param>
+        /// <returns>A buffer of values of type <typeparamref name="T"/>.</returns>
+        internal abstract Buffer<T> Allocate<T>(int size, bool clear = false)
+            where T : struct;
+
+        /// <summary>
+        /// Releases the memory allocated for <paramref name="buffer"/>. After this, the buffer
+        /// is no longer usable.
+        /// </summary>
+        /// <typeparam name="T">Type of the data stored in the buffer</typeparam>
+        /// <param name="buffer">The buffer to release</param>
+        internal abstract void Release<T>(Buffer<T> buffer)
+            where T : struct;
+    }
+}

src/ImageSharp/PixelFormats/PixelBlenders/DefaultPixelBlenders.Generated.cs

@@ -45,7 +45,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -84,7 +84,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -123,7 +123,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -162,7 +162,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -201,7 +201,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -240,7 +240,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -279,7 +279,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -318,7 +318,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -357,7 +357,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -396,7 +396,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -435,7 +435,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -474,7 +474,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -513,7 +513,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -552,7 +552,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -591,7 +591,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -630,7 +630,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -669,7 +669,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -708,7 +708,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -747,7 +747,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -786,7 +786,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -825,7 +825,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);

src/ImageSharp/PixelFormats/PixelBlenders/DefaultPixelBlenders.Generated.tt

@@ -87,7 +87,7 @@ namespace SixLabors.ImageSharp.PixelFormats.PixelBlenders
                     Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
                     Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-                    using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+                    using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
                     {
                         Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                         Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);

src/ImageSharp/Processing/Processors/Effects/BackgroundColorProcessor.cs

@@ -67,8 +67,8 @@ namespace SixLabors.ImageSharp.Processing.Processors
 
             int width = maxX - minX;
 
-            using (var colors = new Buffer<TPixel>(width))
+            using (var colors = MemoryManager.Current.Allocate<TPixel>(width))
-            using (var amount = new Buffer<float>(width))
+            using (var amount = MemoryManager.Current.Allocate<float>(width))
             {
                 for (int i = 0; i < width; i++)
                 {

src/ImageSharp/Processing/Processors/Overlays/GlowProcessor.cs

@@ -83,7 +83,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
             }
 
             int width = maxX - minX;
-            using (var rowColors = new Buffer<TPixel>(width))
+            using (var rowColors = MemoryManager.Current.Allocate<TPixel>(width))
             {
                 for (int i = 0; i < width; i++)
                 {
@@ -96,7 +96,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
                     configuration.ParallelOptions,
                     y =>
                     {
-                        using (var amounts = new Buffer<float>(width))
+                        using (var amounts = MemoryManager.Current.Allocate<float>(width))
                         {
                             int offsetY = y - startY;
                             int offsetX = minX - startX;

src/ImageSharp/Processing/Processors/Overlays/VignetteProcessor.cs

@@ -104,7 +104,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
             }
 
             int width = maxX - minX;
-            using (var rowColors = new Buffer<TPixel>(width))
+            using (var rowColors = MemoryManager.Current.Allocate<TPixel>(width))
             {
                 for (int i = 0; i < width; i++)
                 {
@@ -117,7 +117,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
                     configuration.ParallelOptions,
                     y =>
                         {
-                            using (var amounts = new Buffer<float>(width))
+                            using (var amounts = MemoryManager.Current.Allocate<float>(width))
                             {
                                 int offsetY = y - startY;
                                 int offsetX = minX - startX;

src/ImageSharp/Processing/Processors/Transforms/ResizeProcessor.cs

@@ -132,7 +132,7 @@ namespace SixLabors.ImageSharp.Processing.Processors
                     y =>
                         {
                             // TODO: Without Parallel.For() this buffer object could be reused:
-                            using (var tempRowBuffer = new Buffer<Vector4>(source.Width))
+                            using (var tempRowBuffer = MemoryManager.Current.Allocate<Vector4>(source.Width))
                             {
                                 Span<Vector4> firstPassRow = firstPassPixels.GetRowSpan(y);
                                 Span<TPixel> sourceRow = source.GetPixelRowSpan(y);

tests/ImageSharp.Benchmarks/Color/Bulk/PackFromVector4.cs

@@ -22,8 +22,8 @@ namespace SixLabors.ImageSharp.Benchmarks.Color.Bulk
         [GlobalSetup]
         public void Setup()
         {
-            this.destination = new Buffer<TPixel>(this.Count);
+            this.destination = MemoryManager.Current.Allocate<TPixel>(this.Count);
-            this.source = new Buffer<Vector4>(this.Count);
+            this.source = MemoryManager.Current.Allocate<Vector4>(this.Count);
         }
 
         [GlobalCleanup]

tests/ImageSharp.Benchmarks/Color/Bulk/PackFromVector4ReferenceVsPointer.cs

@@ -25,8 +25,8 @@
         [GlobalSetup]
         public void Setup()
         {
-            this.destination = new Buffer<Rgba32>(this.Count);
+            this.destination = MemoryManager.Current.Allocate<Rgba32>(this.Count);
-            this.source = new Buffer<Vector4>(this.Count * 4);
+            this.source = MemoryManager.Current.Allocate<Vector4>(this.Count * 4);
             this.source.Pin();
             this.destination.Pin();
         }

tests/ImageSharp.Benchmarks/Color/Bulk/PackFromXyzw.cs

@@ -19,8 +19,8 @@ namespace SixLabors.ImageSharp.Benchmarks.Color.Bulk
         [GlobalSetup]
         public void Setup()
         {
-            this.destination = new Buffer<TPixel>(this.Count);
+            this.destination = MemoryManager.Current.Allocate<TPixel>(this.Count);
-            this.source = new Buffer<byte>(this.Count * 4);
+            this.source = MemoryManager.Current.Allocate<byte>(this.Count * 4);
         }
 
         [GlobalCleanup]

tests/ImageSharp.Benchmarks/Color/Bulk/ToVector4.cs

@@ -21,8 +21,8 @@ namespace SixLabors.ImageSharp.Benchmarks.Color.Bulk
         [GlobalSetup]
         public void Setup()
         {
-            this.source = new Buffer<TPixel>(this.Count);
+            this.source = MemoryManager.Current.Allocate<TPixel>(this.Count);
-            this.destination = new Buffer<Vector4>(this.Count);
+            this.destination = MemoryManager.Current.Allocate<Vector4>(this.Count);
         }
 
         [GlobalCleanup]

tests/ImageSharp.Benchmarks/Color/Bulk/ToXyz.cs

@@ -19,8 +19,8 @@ namespace SixLabors.ImageSharp.Benchmarks.Color.Bulk
         [GlobalSetup]
         public void Setup()
         {
-            this.source = new Buffer<TPixel>(this.Count);
+            this.source = MemoryManager.Current.Allocate<TPixel>(this.Count);
-            this.destination = new Buffer<byte>(this.Count * 3);
+            this.destination = MemoryManager.Current.Allocate<byte>(this.Count * 3);
         }
 
         [GlobalCleanup]

tests/ImageSharp.Benchmarks/Color/Bulk/ToXyzw.cs

@@ -24,8 +24,8 @@ namespace SixLabors.ImageSharp.Benchmarks.Color.Bulk
         [GlobalSetup]
         public void Setup()
         {
-            this.source = new Buffer<TPixel>(this.Count);
+            this.source = MemoryManager.Current.Allocate<TPixel>(this.Count);
-            this.destination = new Buffer<byte>(this.Count * 4);
+            this.destination = MemoryManager.Current.Allocate<byte>(this.Count * 4);
         }
 
         [GlobalCleanup]

tests/ImageSharp.Benchmarks/General/ClearBuffer.cs

@@ -18,7 +18,7 @@ namespace SixLabors.ImageSharp.Benchmarks.General
         [GlobalSetup]
         public void Setup()
         {
-            this.buffer = new Buffer<Rgba32>(this.Count);
+            this.buffer = MemoryManager.Current.Allocate<Rgba32>(this.Count);
         }
 
         [GlobalCleanup]

tests/ImageSharp.Benchmarks/General/IterateArray.cs

@@ -21,7 +21,7 @@ namespace SixLabors.ImageSharp.Benchmarks.General
         [GlobalSetup]
         public void Setup()
         {
-            this.buffer = new Buffer<Vector4>(this.Length);
+            this.buffer = MemoryManager.Current.Allocate<Vector4>(this.Length);
             this.buffer.Pin();
             this.array = new Vector4[this.Length];
         }

tests/ImageSharp.Benchmarks/PixelBlenders/PorterDuffBulkVsPixel.cs

@@ -24,7 +24,7 @@ namespace SixLabors.ImageSharp.Benchmarks
             Guard.MustBeGreaterThanOrEqualTo(source.Length, destination.Length, nameof(source.Length));
             Guard.MustBeGreaterThanOrEqualTo(amount.Length, destination.Length, nameof(amount.Length));
 
-            using (Buffer<Vector4> buffer = new Buffer<Vector4>(destination.Length * 3))
+            using (Buffer<Vector4> buffer = MemoryManager.Current.Allocate<Vector4>(destination.Length * 3))
             {
                 Span<Vector4> destinationSpan = buffer.Slice(0, destination.Length);
                 Span<Vector4> backgroundSpan = buffer.Slice(destination.Length, destination.Length);
@@ -59,7 +59,7 @@ namespace SixLabors.ImageSharp.Benchmarks
         {
             using (Image<Rgba32> image = new Image<Rgba32>(800, 800))
             {
-                Buffer<float> amounts = new Buffer<float>(image.Width);
+                Buffer<float> amounts = MemoryManager.Current.Allocate<float>(image.Width);
 
                 for (int x = 0; x < image.Width; x++)
                 {
@@ -82,7 +82,7 @@ namespace SixLabors.ImageSharp.Benchmarks
         {
             using (Image<Rgba32> image = new Image<Rgba32>(800, 800))
             {
-                Buffer<float> amounts = new Buffer<float>(image.Width);
+                Buffer<float> amounts = MemoryManager.Current.Allocate<float>(image.Width);
 
                 for (int x = 0; x < image.Width; x++)
                 {

tests/ImageSharp.Benchmarks/Samplers/Glow.cs

@@ -103,7 +103,7 @@ namespace SixLabors.ImageSharp.Benchmarks
                 }
 
                 int width = maxX - minX;
-                using (Buffer<TPixel> rowColors = new Buffer<TPixel>(width))
+                using (Buffer<TPixel> rowColors = MemoryManager.Current.Allocate<TPixel>(width))
                 using (PixelAccessor<TPixel> sourcePixels = source.Lock())
                 {
                     for (int i = 0; i < width; i++)

tests/ImageSharp.Tests/Memory/BufferTests.cs

@@ -35,7 +35,7 @@ namespace SixLabors.ImageSharp.Tests.Memory
         [InlineData(1111)]
         public void ConstructWithOwnArray(int count)
         {
-            using (Buffer<TestStructs.Foo> buffer = new Buffer<TestStructs.Foo>(count))
+            using (Buffer<TestStructs.Foo> buffer = MemoryManager.Current.Allocate<TestStructs.Foo>(count))
             {
                 Assert.False(buffer.IsDisposedOrLostArrayOwnership);
                 Assert.NotNull(buffer.Array);
@@ -76,7 +76,7 @@ namespace SixLabors.ImageSharp.Tests.Memory
         {
             for (int i = 0; i < 100; i++)
             {
-                using (Buffer<int> buffer = Buffer<int>.CreateClean(42))
+                using (Buffer<int> buffer = MemoryManager.Current.Allocate<int>(42, true))
                 {
                     for (int j = 0; j < buffer.Length; j++)
                     {
@@ -129,7 +129,7 @@ namespace SixLabors.ImageSharp.Tests.Memory
         [Fact]
         public void Dispose()
         {
-            Buffer<TestStructs.Foo> buffer = new Buffer<TestStructs.Foo>(42);
+            Buffer<TestStructs.Foo> buffer = MemoryManager.Current.Allocate<TestStructs.Foo>(42);
             buffer.Dispose();
 
             Assert.True(buffer.IsDisposedOrLostArrayOwnership);
@@ -140,7 +140,7 @@ namespace SixLabors.ImageSharp.Tests.Memory
         [InlineData(123)]
         public void CastToSpan(int bufferLength)
         {
-            using (Buffer<TestStructs.Foo> buffer = new Buffer<TestStructs.Foo>(bufferLength))
+            using (Buffer<TestStructs.Foo> buffer = MemoryManager.Current.Allocate<TestStructs.Foo>(bufferLength))
             {
                 Span<TestStructs.Foo> span = buffer;
 
@@ -154,7 +154,7 @@ namespace SixLabors.ImageSharp.Tests.Memory
         [Fact]
         public void Span()
         {
-            using (Buffer<TestStructs.Foo> buffer = new Buffer<TestStructs.Foo>(42))
+            using (Buffer<TestStructs.Foo> buffer = MemoryManager.Current.Allocate<TestStructs.Foo>(42))
             {
                 Span<TestStructs.Foo> span = buffer.Span;
 
@@ -173,7 +173,7 @@ namespace SixLabors.ImageSharp.Tests.Memory
             [InlineData(123, 17)]
             public void WithStartOnly(int bufferLength, int start)
             {
-                using (Buffer<TestStructs.Foo> buffer = new Buffer<TestStructs.Foo>(bufferLength))
+                using (Buffer<TestStructs.Foo> buffer = MemoryManager.Current.Allocate<TestStructs.Foo>(bufferLength))
                 {
                     Span<TestStructs.Foo> span = buffer.Slice(start);
 
@@ -187,7 +187,7 @@ namespace SixLabors.ImageSharp.Tests.Memory
             [InlineData(123, 17, 42)]
             public void WithStartAndLength(int bufferLength, int start, int spanLength)
             {
-                using (Buffer<TestStructs.Foo> buffer = new Buffer<TestStructs.Foo>(bufferLength))
+                using (Buffer<TestStructs.Foo> buffer = MemoryManager.Current.Allocate<TestStructs.Foo>(bufferLength))
                 {
                     Span<TestStructs.Foo> span = buffer.Slice(start, spanLength);
 
@@ -201,7 +201,7 @@ namespace SixLabors.ImageSharp.Tests.Memory
         public void UnPinAndTakeArrayOwnership()
         {
             TestStructs.Foo[] data = null;
-            using (Buffer<TestStructs.Foo> buffer = new Buffer<TestStructs.Foo>(42))
+            using (Buffer<TestStructs.Foo> buffer = MemoryManager.Current.Allocate<TestStructs.Foo>(42))
             {
                 data = buffer.TakeArrayOwnership();
                 Assert.True(buffer.IsDisposedOrLostArrayOwnership);
@@ -216,7 +216,7 @@ namespace SixLabors.ImageSharp.Tests.Memory
             [Fact]
             public void ReturnsPinnedPointerToTheBeginningOfArray()
             {
-                using (Buffer<TestStructs.Foo> buffer = new Buffer<TestStructs.Foo>(42))
+                using (Buffer<TestStructs.Foo> buffer = MemoryManager.Current.Allocate<TestStructs.Foo>(42))
                 {
                     TestStructs.Foo* actual = (TestStructs.Foo*)buffer.Pin();
                     fixed (TestStructs.Foo* expected = buffer.Array)
@@ -229,7 +229,7 @@ namespace SixLabors.ImageSharp.Tests.Memory
             [Fact]
             public void SecondCallReturnsTheSamePointer()
             {
-                using (Buffer<TestStructs.Foo> buffer = new Buffer<TestStructs.Foo>(42))
+                using (Buffer<TestStructs.Foo> buffer = MemoryManager.Current.Allocate<TestStructs.Foo>(42))
                 {
                     IntPtr ptr1 = buffer.Pin();
                     IntPtr ptr2 = buffer.Pin();
@@ -241,7 +241,7 @@ namespace SixLabors.ImageSharp.Tests.Memory
             [Fact]
             public void WhenCalledOnDisposedBuffer_ThrowsInvalidOperationException()
             {
-                Buffer<TestStructs.Foo> buffer = new Buffer<TestStructs.Foo>(42);
+                Buffer<TestStructs.Foo> buffer = MemoryManager.Current.Allocate<TestStructs.Foo>(42);
                 buffer.Dispose();
 
                 Assert.Throws<InvalidOperationException>(() => buffer.Pin());

tests/ImageSharp.Tests/Memory/SpanUtilityTests.cs

@@ -424,7 +424,7 @@ namespace SixLabors.ImageSharp.Tests.Memory
                 Rgba32[] colors = { new Rgba32(0, 1, 2, 3), new Rgba32(4, 5, 6, 7), new Rgba32(8, 9, 10, 11), };
 
                 using (Buffer<Rgba32> colorBuf = new Buffer<Rgba32>(colors))
-                using (Buffer<byte> byteBuf = new Buffer<byte>(colors.Length * 4))
+                using (Buffer<byte> byteBuf = MemoryManager.Current.Allocate<byte>(colors.Length * 4))
                 {
                     SpanHelper.Copy(colorBuf.Span.AsBytes(), byteBuf, colorBuf.Length * sizeof(Rgba32));
 

tests/ImageSharp.Tests/PixelFormats/PixelOperationsTests.cs

@@ -50,8 +50,8 @@ namespace SixLabors.ImageSharp.Tests.PixelFormats
                 int times = 200000;
                 int count = 1024;
 
-                using (Buffer<ImageSharp.Rgba32> source = new Buffer<ImageSharp.Rgba32>(count))
+                using (Buffer<ImageSharp.Rgba32> source = MemoryManager.Current.Allocate<ImageSharp.Rgba32>(count))
-                using (Buffer<Vector4> dest = new Buffer<Vector4>(count))
+                using (Buffer<Vector4> dest = MemoryManager.Current.Allocate<Vector4>(count))
                 {
                     this.Measure(
                         times,
@@ -344,7 +344,7 @@ namespace SixLabors.ImageSharp.Tests.PixelFormats
             {
                 this.SourceBuffer = new Buffer<TSource>(source);
                 this.ExpectedDestBuffer = new Buffer<TDest>(expectedDest);
-                this.ActualDestBuffer = new Buffer<TDest>(expectedDest.Length);
+                this.ActualDestBuffer = MemoryManager.Current.Allocate<TDest>(expectedDest.Length);
             }
 
             public void Dispose()

tests/ImageSharp.Tests/TestUtilities/ReferenceCodecs/SystemDrawingBridge.cs

@@ -19,7 +19,7 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs
             int length = source.Length;
             Guard.MustBeSizedAtLeast(dest, length, nameof(dest));
 
-            using (var rgbaBuffer = new Buffer<Rgba32>(length))
+            using (var rgbaBuffer = MemoryManager.Current.Allocate<Rgba32>(length))
             {
                 PixelOperations<TPixel>.Instance.ToRgba32(source, rgbaBuffer, length);
 
@@ -39,7 +39,7 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs
             int length = source.Length;
             Guard.MustBeSizedAtLeast(dest, length, nameof(dest));
 
-            using (var rgbaBuffer = new Buffer<Rgba32>(length))
+            using (var rgbaBuffer = MemoryManager.Current.Allocate<Rgba32>(length))
             {
                 PixelOperations<Argb32>.Instance.ToRgba32(source, rgbaBuffer, length);
 
@@ -59,7 +59,7 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs
             int length = source.Length;
             Guard.MustBeSizedAtLeast(dest, length, nameof(dest));
 
-            using (var rgbaBuffer = new Buffer<Rgb24>(length))
+            using (var rgbaBuffer = MemoryManager.Current.Allocate<Rgb24>(length))
             {
                 PixelOperations<Rgb24>.Instance.ToRgb24(source, rgbaBuffer, length);
 
@@ -96,7 +96,7 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs
 
             var image = new Image<TPixel>(w, h);
 
-            using (var workBuffer = new Buffer<Argb32>(w))
+            using (var workBuffer = MemoryManager.Current.Allocate<Argb32>(w))
             {
                 var destPtr = (Argb32*)workBuffer.Pin();
                 for (int y = 0; y < h; y++)
@@ -138,7 +138,7 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs
 
             var image = new Image<TPixel>(w, h);
 
-            using (var workBuffer = new Buffer<Rgb24>(w))
+            using (var workBuffer = MemoryManager.Current.Allocate<Rgb24>(w))
             {
                 var destPtr = (Rgb24*)workBuffer.Pin();
                 for (int y = 0; y < h; y++)
@@ -170,7 +170,7 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs
             long destRowByteCount = data.Stride;
             long sourceRowByteCount = w * sizeof(Argb32);
 
-            using (var workBuffer = new Buffer<Argb32>(w))
+            using (var workBuffer = MemoryManager.Current.Allocate<Argb32>(w))
             {
                 var sourcePtr = (Argb32*)workBuffer.Pin();