mirror of https://github.com/SixLabors/ImageSharp
Luis Alfredo Figueroa Bracamontes
3 years ago
committed by
GitHub
GitHub
245 changed files with 3871 additions and 2792 deletions
@ -1,56 +0,0 @@ |
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name: "Commercial License : Bug Report" |
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description: | |
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Create a report to help us improve the project. For Commercial License holders only. |
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Please contact help@sixlabors.com for issues requiring private support. |
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labels: ["commercial", "needs triage"] |
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body: |
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- type: checkboxes |
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attributes: |
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label: Prerequisites |
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options: |
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- label: I have bought a Commercial License |
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required: true |
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- label: I have written a descriptive issue title |
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required: true |
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- label: I have verified that I am running the latest version of ImageSharp |
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required: true |
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- label: I have verified if the problem exist in both `DEBUG` and `RELEASE` mode |
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required: true |
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- label: I have searched [open](https://github.com/SixLabors/ImageSharp/issues) and [closed](https://github.com/SixLabors/ImageSharp/issues?q=is%3Aissue+is%3Aclosed) issues to ensure it has not already been reported |
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required: true |
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- type: input |
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attributes: |
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label: ImageSharp version |
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validations: |
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required: true |
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- type: input |
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attributes: |
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label: Other ImageSharp packages and versions |
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validations: |
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required: true |
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- type: input |
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attributes: |
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label: Environment (Operating system, version and so on) |
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validations: |
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required: true |
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- type: input |
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attributes: |
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label: .NET Framework version |
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validations: |
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required: true |
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- type: textarea |
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attributes: |
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label: Description |
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description: A description of the bug |
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validations: |
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required: true |
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- type: textarea |
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attributes: |
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label: Steps to Reproduce |
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description: List of steps, sample code, failing test or link to a project that reproduces the behavior. Make sure you place a stack trace inside a code (```) block to avoid linking unrelated issues. |
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validations: |
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required: true |
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- type: textarea |
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attributes: |
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label: Images |
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description: Please upload images that can be used to reproduce issues in the area below. If the file type is not supported the file can be zipped and then uploaded instead. |
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@ -0,0 +1,68 @@ |
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// Copyright (c) Six Labors.
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// Licensed under the Six Labors Split License.
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using System.Runtime.CompilerServices; |
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using System.Runtime.InteropServices; |
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using System.Runtime.Intrinsics; |
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using System.Runtime.Intrinsics.Arm; |
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using static SixLabors.ImageSharp.SimdUtils; |
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namespace SixLabors.ImageSharp.Formats.Jpeg.Components; |
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internal abstract partial class JpegColorConverterBase |
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{ |
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internal sealed class GrayscaleArm : JpegColorConverterArm |
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{ |
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public GrayscaleArm(int precision) |
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: base(JpegColorSpace.Grayscale, precision) |
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{ |
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} |
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/// <inheritdoc/>
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public override void ConvertToRgbInplace(in ComponentValues values) |
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{ |
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ref Vector128<float> c0Base = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component0)); |
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// Used for the color conversion
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var scale = Vector128.Create(1 / this.MaximumValue); |
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nuint n = values.Component0.Vector128Count<float>(); |
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for (nuint i = 0; i < n; i++) |
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{ |
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ref Vector128<float> c0 = ref Unsafe.Add(ref c0Base, i); |
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c0 = AdvSimd.Multiply(c0, scale); |
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} |
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} |
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/// <inheritdoc/>
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public override void ConvertFromRgb(in ComponentValues values, Span<float> rLane, Span<float> gLane, Span<float> bLane) |
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{ |
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ref Vector128<float> destLuminance = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component0)); |
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ref Vector128<float> srcRed = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(rLane)); |
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ref Vector128<float> srcGreen = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(gLane)); |
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ref Vector128<float> srcBlue = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(bLane)); |
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// Used for the color conversion
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var f0299 = Vector128.Create(0.299f); |
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var f0587 = Vector128.Create(0.587f); |
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var f0114 = Vector128.Create(0.114f); |
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nuint n = values.Component0.Vector128Count<float>(); |
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for (nuint i = 0; i < n; i++) |
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{ |
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ref Vector128<float> r = ref Unsafe.Add(ref srcRed, i); |
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ref Vector128<float> g = ref Unsafe.Add(ref srcGreen, i); |
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ref Vector128<float> b = ref Unsafe.Add(ref srcBlue, i); |
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// luminocity = (0.299 * r) + (0.587 * g) + (0.114 * b)
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Unsafe.Add(ref destLuminance, i) = HwIntrinsics.MultiplyAdd(HwIntrinsics.MultiplyAdd(AdvSimd.Multiply(f0114, b), f0587, g), f0299, r); |
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} |
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} |
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} |
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} |
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// Copyright (c) Six Labors.
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// Licensed under the Six Labors Split License.
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using System.Runtime.CompilerServices; |
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using System.Runtime.InteropServices; |
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using System.Runtime.Intrinsics; |
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using System.Runtime.Intrinsics.Arm; |
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using System.Runtime.Intrinsics.X86; |
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using static SixLabors.ImageSharp.SimdUtils; |
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// ReSharper disable ImpureMethodCallOnReadonlyValueField
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namespace SixLabors.ImageSharp.Formats.Jpeg.Components; |
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internal abstract partial class JpegColorConverterBase |
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{ |
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internal sealed class YCbCrArm : JpegColorConverterArm |
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{ |
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public YCbCrArm(int precision) |
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: base(JpegColorSpace.YCbCr, precision) |
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{ |
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} |
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/// <inheritdoc/>
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public override void ConvertToRgbInplace(in ComponentValues values) |
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{ |
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ref Vector128<float> c0Base = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component0)); |
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ref Vector128<float> c1Base = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component1)); |
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ref Vector128<float> c2Base = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component2)); |
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// Used for the color conversion
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var chromaOffset = Vector128.Create(-this.HalfValue); |
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var scale = Vector128.Create(1 / this.MaximumValue); |
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var rCrMult = Vector128.Create(YCbCrScalar.RCrMult); |
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var gCbMult = Vector128.Create(-YCbCrScalar.GCbMult); |
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var gCrMult = Vector128.Create(-YCbCrScalar.GCrMult); |
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var bCbMult = Vector128.Create(YCbCrScalar.BCbMult); |
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// Walking 8 elements at one step:
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nuint n = (uint)values.Component0.Length / (uint)Vector128<float>.Count; |
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for (nuint i = 0; i < n; i++) |
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{ |
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// y = yVals[i];
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// cb = cbVals[i] - 128F;
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// cr = crVals[i] - 128F;
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ref Vector128<float> c0 = ref Unsafe.Add(ref c0Base, i); |
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ref Vector128<float> c1 = ref Unsafe.Add(ref c1Base, i); |
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ref Vector128<float> c2 = ref Unsafe.Add(ref c2Base, i); |
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Vector128<float> y = c0; |
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Vector128<float> cb = AdvSimd.Add(c1, chromaOffset); |
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Vector128<float> cr = AdvSimd.Add(c2, chromaOffset); |
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// r = y + (1.402F * cr);
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// g = y - (0.344136F * cb) - (0.714136F * cr);
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// b = y + (1.772F * cb);
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Vector128<float> r = HwIntrinsics.MultiplyAdd(y, cr, rCrMult); |
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Vector128<float> g = HwIntrinsics.MultiplyAdd(HwIntrinsics.MultiplyAdd(y, cb, gCbMult), cr, gCrMult); |
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Vector128<float> b = HwIntrinsics.MultiplyAdd(y, cb, bCbMult); |
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r = AdvSimd.Multiply(AdvSimd.RoundToNearest(r), scale); |
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g = AdvSimd.Multiply(AdvSimd.RoundToNearest(g), scale); |
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b = AdvSimd.Multiply(AdvSimd.RoundToNearest(b), scale); |
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c0 = r; |
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c1 = g; |
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c2 = b; |
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} |
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} |
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/// <inheritdoc/>
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public override void ConvertFromRgb(in ComponentValues values, Span<float> rLane, Span<float> gLane, Span<float> bLane) |
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{ |
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ref Vector128<float> destY = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component0)); |
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ref Vector128<float> destCb = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component1)); |
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ref Vector128<float> destCr = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component2)); |
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ref Vector128<float> srcR = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(rLane)); |
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ref Vector128<float> srcG = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(gLane)); |
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ref Vector128<float> srcB = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(bLane)); |
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// Used for the color conversion
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var chromaOffset = Vector128.Create(this.HalfValue); |
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var f0299 = Vector128.Create(0.299f); |
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var f0587 = Vector128.Create(0.587f); |
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var f0114 = Vector128.Create(0.114f); |
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var fn0168736 = Vector128.Create(-0.168736f); |
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var fn0331264 = Vector128.Create(-0.331264f); |
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var fn0418688 = Vector128.Create(-0.418688f); |
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var fn0081312F = Vector128.Create(-0.081312F); |
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var f05 = Vector128.Create(0.5f); |
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nuint n = (uint)values.Component0.Length / (uint)Vector128<float>.Count; |
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for (nuint i = 0; i < n; i++) |
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{ |
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Vector128<float> r = Unsafe.Add(ref srcR, i); |
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Vector128<float> g = Unsafe.Add(ref srcG, i); |
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Vector128<float> b = Unsafe.Add(ref srcB, i); |
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// y = 0 + (0.299 * r) + (0.587 * g) + (0.114 * b)
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// cb = 128 - (0.168736 * r) - (0.331264 * g) + (0.5 * b)
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// cr = 128 + (0.5 * r) - (0.418688 * g) - (0.081312 * b)
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Vector128<float> y = HwIntrinsics.MultiplyAdd(HwIntrinsics.MultiplyAdd(AdvSimd.Multiply(f0114, b), f0587, g), f0299, r); |
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Vector128<float> cb = AdvSimd.Add(chromaOffset, HwIntrinsics.MultiplyAdd(HwIntrinsics.MultiplyAdd(AdvSimd.Multiply(f05, b), fn0331264, g), fn0168736, r)); |
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Vector128<float> cr = AdvSimd.Add(chromaOffset, HwIntrinsics.MultiplyAdd(HwIntrinsics.MultiplyAdd(AdvSimd.Multiply(fn0081312F, b), fn0418688, g), f05, r)); |
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Unsafe.Add(ref destY, i) = y; |
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Unsafe.Add(ref destCb, i) = cb; |
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Unsafe.Add(ref destCr, i) = cr; |
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} |
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} |
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} |
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} |
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// Copyright (c) Six Labors.
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// Licensed under the Six Labors Split License.
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using System.Runtime.CompilerServices; |
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using System.Runtime.InteropServices; |
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using System.Runtime.Intrinsics; |
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using System.Runtime.Intrinsics.Arm; |
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using System.Runtime.Intrinsics.X86; |
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using static SixLabors.ImageSharp.SimdUtils; |
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namespace SixLabors.ImageSharp.Formats.Jpeg.Components; |
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internal abstract partial class JpegColorConverterBase |
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{ |
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internal sealed class YccKArm64 : JpegColorConverterArm64 |
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{ |
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public YccKArm64(int precision) |
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: base(JpegColorSpace.Ycck, precision) |
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{ |
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} |
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/// <inheritdoc/>
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public override void ConvertToRgbInplace(in ComponentValues values) |
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{ |
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ref Vector128<float> c0Base = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component0)); |
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ref Vector128<float> c1Base = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component1)); |
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ref Vector128<float> c2Base = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component2)); |
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ref Vector128<float> kBase = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component3)); |
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// Used for the color conversion
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var chromaOffset = Vector128.Create(-this.HalfValue); |
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var scale = Vector128.Create(1 / (this.MaximumValue * this.MaximumValue)); |
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var max = Vector128.Create(this.MaximumValue); |
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var rCrMult = Vector128.Create(YCbCrScalar.RCrMult); |
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var gCbMult = Vector128.Create(-YCbCrScalar.GCbMult); |
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var gCrMult = Vector128.Create(-YCbCrScalar.GCrMult); |
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var bCbMult = Vector128.Create(YCbCrScalar.BCbMult); |
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// Walking 8 elements at one step:
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nuint n = (uint)values.Component0.Length / (uint)Vector128<float>.Count; |
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for (nuint i = 0; i < n; i++) |
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{ |
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// y = yVals[i];
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// cb = cbVals[i] - 128F;
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// cr = crVals[i] - 128F;
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// k = kVals[i] / 256F;
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ref Vector128<float> c0 = ref Unsafe.Add(ref c0Base, i); |
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ref Vector128<float> c1 = ref Unsafe.Add(ref c1Base, i); |
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ref Vector128<float> c2 = ref Unsafe.Add(ref c2Base, i); |
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Vector128<float> y = c0; |
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Vector128<float> cb = AdvSimd.Add(c1, chromaOffset); |
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Vector128<float> cr = AdvSimd.Add(c2, chromaOffset); |
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Vector128<float> scaledK = AdvSimd.Multiply(Unsafe.Add(ref kBase, i), scale); |
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// r = y + (1.402F * cr);
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// g = y - (0.344136F * cb) - (0.714136F * cr);
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// b = y + (1.772F * cb);
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Vector128<float> r = HwIntrinsics.MultiplyAdd(y, cr, rCrMult); |
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Vector128<float> g = |
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HwIntrinsics.MultiplyAdd(HwIntrinsics.MultiplyAdd(y, cb, gCbMult), cr, gCrMult); |
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Vector128<float> b = HwIntrinsics.MultiplyAdd(y, cb, bCbMult); |
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r = AdvSimd.Subtract(max, AdvSimd.RoundToNearest(r)); |
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g = AdvSimd.Subtract(max, AdvSimd.RoundToNearest(g)); |
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b = AdvSimd.Subtract(max, AdvSimd.RoundToNearest(b)); |
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r = AdvSimd.Multiply(r, scaledK); |
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g = AdvSimd.Multiply(g, scaledK); |
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b = AdvSimd.Multiply(b, scaledK); |
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c0 = r; |
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c1 = g; |
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c2 = b; |
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} |
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} |
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/// <inheritdoc/>
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public override void ConvertFromRgb(in ComponentValues values, Span<float> rLane, Span<float> gLane, Span<float> bLane) |
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{ |
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// rgb -> cmyk
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CmykArm64.ConvertFromRgb(in values, this.MaximumValue, rLane, gLane, bLane); |
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// cmyk -> ycck
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ref Vector128<float> destY = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component0)); |
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ref Vector128<float> destCb = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component1)); |
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ref Vector128<float> destCr = |
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ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component2)); |
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ref Vector128<float> srcR = ref destY; |
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ref Vector128<float> srcG = ref destCb; |
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ref Vector128<float> srcB = ref destCr; |
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// Used for the color conversion
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var maxSampleValue = Vector128.Create(this.MaximumValue); |
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var chromaOffset = Vector128.Create(this.HalfValue); |
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var f0299 = Vector128.Create(0.299f); |
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var f0587 = Vector128.Create(0.587f); |
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var f0114 = Vector128.Create(0.114f); |
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var fn0168736 = Vector128.Create(-0.168736f); |
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var fn0331264 = Vector128.Create(-0.331264f); |
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var fn0418688 = Vector128.Create(-0.418688f); |
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var fn0081312F = Vector128.Create(-0.081312F); |
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var f05 = Vector128.Create(0.5f); |
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nuint n = (uint)values.Component0.Length / (uint)Vector128<float>.Count; |
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for (nuint i = 0; i < n; i++) |
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{ |
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Vector128<float> r = AdvSimd.Subtract(maxSampleValue, Unsafe.Add(ref srcR, i)); |
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Vector128<float> g = AdvSimd.Subtract(maxSampleValue, Unsafe.Add(ref srcG, i)); |
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Vector128<float> b = AdvSimd.Subtract(maxSampleValue, Unsafe.Add(ref srcB, i)); |
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// y = 0 + (0.299 * r) + (0.587 * g) + (0.114 * b)
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// cb = 128 - (0.168736 * r) - (0.331264 * g) + (0.5 * b)
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// cr = 128 + (0.5 * r) - (0.418688 * g) - (0.081312 * b)
|
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Vector128<float> y = HwIntrinsics.MultiplyAdd(HwIntrinsics.MultiplyAdd(AdvSimd.Multiply(f0114, b), f0587, g), f0299, r); |
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Vector128<float> cb = AdvSimd.Add(chromaOffset, HwIntrinsics.MultiplyAdd(HwIntrinsics.MultiplyAdd(AdvSimd.Multiply(f05, b), fn0331264, g), fn0168736, r)); |
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Vector128<float> cr = AdvSimd.Add(chromaOffset, HwIntrinsics.MultiplyAdd(HwIntrinsics.MultiplyAdd(AdvSimd.Multiply(fn0081312F, b), fn0418688, g), f05, r)); |
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|
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Unsafe.Add(ref destY, i) = y; |
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Unsafe.Add(ref destCb, i) = cb; |
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Unsafe.Add(ref destCr, i) = cr; |
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} |
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} |
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|
} |
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|
} |
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Reference in new issue