From 257ff1929e341e5b1af94d9adf557e5296ece957 Mon Sep 17 00:00:00 2001 From: James Jackson-South Date: Fri, 29 Oct 2021 23:32:13 +1100 Subject: [PATCH 01/17] Use RgbaVector for color backing --- src/ImageSharp/Color/Color.Conversions.cs | 87 ++++++++++++++++--- src/ImageSharp/Color/Color.cs | 74 ++++++++-------- .../Color/ColorTests.CastFrom.cs | 17 +++- .../Color/ColorTests.ConstructFrom.cs | 4 +- 4 files changed, 125 insertions(+), 57 deletions(-) diff --git a/src/ImageSharp/Color/Color.Conversions.cs b/src/ImageSharp/Color/Color.Conversions.cs index 0455fd26a4..abcb54b807 100644 --- a/src/ImageSharp/Color/Color.Conversions.cs +++ b/src/ImageSharp/Color/Color.Conversions.cs @@ -17,56 +17,90 @@ namespace SixLabors.ImageSharp /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Rgba64 pixel) => this.data = pixel; + public Color(Rgba64 pixel) + { + RgbaVector vector = default; + vector.FromRgba64(pixel); + this.data = vector; + } /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Rgba32 pixel) => this.data = new Rgba64(pixel); + public Color(Rgba32 pixel) + { + RgbaVector vector = default; + vector.FromRgba32(pixel); + this.data = vector; + } /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Argb32 pixel) => this.data = new Rgba64(pixel); + public Color(Argb32 pixel) + { + RgbaVector vector = default; + vector.FromArgb32(pixel); + this.data = vector; + } /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Bgra32 pixel) => this.data = new Rgba64(pixel); + public Color(Bgra32 pixel) + { + RgbaVector vector = default; + vector.FromBgra32(pixel); + this.data = vector; + } /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Rgb24 pixel) => this.data = new Rgba64(pixel); + public Color(Rgb24 pixel) + { + RgbaVector vector = default; + vector.FromRgb24(pixel); + this.data = vector; + } /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Bgr24 pixel) => this.data = new Rgba64(pixel); + public Color(Bgr24 pixel) + { + RgbaVector vector = default; + vector.FromBgr24(pixel); + this.data = vector; + } /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Vector4 vector) => this.data = new Rgba64(vector); + public Color(Vector4 vector) + { + vector = Numerics.Clamp(vector, Vector4.Zero, Vector4.One); + this.data = new RgbaVector(vector.X, vector.Y, vector.Z, vector.W); + } /// /// Converts a to . /// /// The . /// The . - public static explicit operator Vector4(Color color) => color.data.ToVector4(); + public static explicit operator Vector4(Color color) => color.data.ToScaledVector4(); /// /// Converts an to . @@ -74,22 +108,47 @@ namespace SixLabors.ImageSharp /// The . /// The . [MethodImpl(InliningOptions.ShortMethod)] - public static explicit operator Color(Vector4 source) => new Color(source); + public static explicit operator Color(Vector4 source) => new(source); [MethodImpl(InliningOptions.ShortMethod)] - internal Rgba32 ToRgba32() => this.data.ToRgba32(); + internal Rgba32 ToRgba32() + { + Rgba32 result = default; + result.FromScaledVector4(this.data.ToScaledVector4()); + return result; + } [MethodImpl(InliningOptions.ShortMethod)] - internal Bgra32 ToBgra32() => this.data.ToBgra32(); + internal Bgra32 ToBgra32() + { + Bgra32 result = default; + result.FromScaledVector4(this.data.ToScaledVector4()); + return result; + } [MethodImpl(InliningOptions.ShortMethod)] - internal Argb32 ToArgb32() => this.data.ToArgb32(); + internal Argb32 ToArgb32() + { + Argb32 result = default; + result.FromScaledVector4(this.data.ToScaledVector4()); + return result; + } [MethodImpl(InliningOptions.ShortMethod)] - internal Rgb24 ToRgb24() => this.data.ToRgb24(); + internal Rgb24 ToRgb24() + { + Rgb24 result = default; + result.FromScaledVector4(this.data.ToScaledVector4()); + return result; + } [MethodImpl(InliningOptions.ShortMethod)] - internal Bgr24 ToBgr24() => this.data.ToBgr24(); + internal Bgr24 ToBgr24() + { + Bgr24 result = default; + result.FromScaledVector4(this.data.ToScaledVector4()); + return result; + } [MethodImpl(InliningOptions.ShortMethod)] internal Vector4 ToVector4() => this.data.ToVector4(); diff --git a/src/ImageSharp/Color/Color.cs b/src/ImageSharp/Color/Color.cs index d5eedc160b..9a4df4e629 100644 --- a/src/ImageSharp/Color/Color.cs +++ b/src/ImageSharp/Color/Color.cs @@ -20,26 +20,22 @@ namespace SixLabors.ImageSharp /// public readonly partial struct Color : IEquatable { - private readonly Rgba64 data; + private readonly RgbaVector data; [MethodImpl(InliningOptions.ShortMethod)] private Color(byte r, byte g, byte b, byte a) { - this.data = new Rgba64( - ColorNumerics.UpscaleFrom8BitTo16Bit(r), - ColorNumerics.UpscaleFrom8BitTo16Bit(g), - ColorNumerics.UpscaleFrom8BitTo16Bit(b), - ColorNumerics.UpscaleFrom8BitTo16Bit(a)); + RgbaVector vector = default; + vector.FromRgba32(new(r, g, b, a)); + this.data = vector; } [MethodImpl(InliningOptions.ShortMethod)] private Color(byte r, byte g, byte b) { - this.data = new Rgba64( - ColorNumerics.UpscaleFrom8BitTo16Bit(r), - ColorNumerics.UpscaleFrom8BitTo16Bit(g), - ColorNumerics.UpscaleFrom8BitTo16Bit(b), - ushort.MaxValue); + RgbaVector vector = default; + vector.FromRgba32(new(r, g, b)); + this.data = vector; } /// @@ -52,10 +48,7 @@ namespace SixLabors.ImageSharp /// otherwise, false. /// [MethodImpl(InliningOptions.ShortMethod)] - public static bool operator ==(Color left, Color right) - { - return left.Equals(right); - } + public static bool operator ==(Color left, Color right) => left.Equals(right); /// /// Checks whether two structures are equal. @@ -67,10 +60,7 @@ namespace SixLabors.ImageSharp /// otherwise, false. /// [MethodImpl(InliningOptions.ShortMethod)] - public static bool operator !=(Color left, Color right) - { - return !left.Equals(right); - } + public static bool operator !=(Color left, Color right) => !left.Equals(right); /// /// Creates a from RGBA bytes. @@ -81,7 +71,7 @@ namespace SixLabors.ImageSharp /// The alpha component (0-255). /// The . [MethodImpl(InliningOptions.ShortMethod)] - public static Color FromRgba(byte r, byte g, byte b, byte a) => new Color(r, g, b, a); + public static Color FromRgba(byte r, byte g, byte b, byte a) => new(r, g, b, a); /// /// Creates a from RGB bytes. @@ -91,7 +81,17 @@ namespace SixLabors.ImageSharp /// The blue component (0-255). /// The . [MethodImpl(InliningOptions.ShortMethod)] - public static Color FromRgb(byte r, byte g, byte b) => new Color(r, g, b); + public static Color FromRgb(byte r, byte g, byte b) => new(r, g, b); + + /// + /// Creates a from the given . + /// + /// The pixel to convert from. + /// The pixel format. + /// The . + [MethodImpl(InliningOptions.ShortMethod)] + public static Color FromPixel(TPixel pixel) + where TPixel : unmanaged, IPixel => new(pixel.ToScaledVector4()); /// /// Creates a new instance of the struct @@ -207,13 +207,18 @@ namespace SixLabors.ImageSharp /// /// A hexadecimal string representation of the value. [MethodImpl(InliningOptions.ShortMethod)] - public string ToHex() => this.data.ToRgba32().ToHex(); + public string ToHex() + { + Rgba32 rgba = default; + this.data.ToRgba32(ref rgba); + return rgba.ToHex(); + } /// public override string ToString() => this.ToHex(); /// - /// Converts the color instance to a specified type. + /// Converts the color instance to a specified type. /// /// The pixel type to convert to. /// The pixel value. @@ -222,12 +227,12 @@ namespace SixLabors.ImageSharp where TPixel : unmanaged, IPixel { TPixel pixel = default; - pixel.FromRgba64(this.data); + pixel.FromScaledVector4(this.data.ToScaledVector4()); return pixel; } /// - /// Bulk converts a span of to a span of a specified type. + /// Bulk converts a span of to a span of a specified type. /// /// The pixel type to convert to. /// The configuration. @@ -240,28 +245,19 @@ namespace SixLabors.ImageSharp Span destination) where TPixel : unmanaged, IPixel { - ReadOnlySpan rgba64Span = MemoryMarshal.Cast(source); - PixelOperations.Instance.FromRgba64(configuration, rgba64Span, destination); + ReadOnlySpan rgbaSpan = MemoryMarshal.Cast(source); + PixelOperations.Instance.From(configuration, rgbaSpan, destination); } /// [MethodImpl(InliningOptions.ShortMethod)] - public bool Equals(Color other) - { - return this.data.PackedValue == other.data.PackedValue; - } + public bool Equals(Color other) => this.data.Equals(other.data); /// - public override bool Equals(object obj) - { - return obj is Color other && this.Equals(other); - } + public override bool Equals(object obj) => obj is Color other && this.Equals(other); /// [MethodImpl(InliningOptions.ShortMethod)] - public override int GetHashCode() - { - return this.data.PackedValue.GetHashCode(); - } + public override int GetHashCode() => this.data.GetHashCode(); } } diff --git a/tests/ImageSharp.Tests/Color/ColorTests.CastFrom.cs b/tests/ImageSharp.Tests/Color/ColorTests.CastFrom.cs index 38b94f486c..356ef7351e 100644 --- a/tests/ImageSharp.Tests/Color/ColorTests.CastFrom.cs +++ b/tests/ImageSharp.Tests/Color/ColorTests.CastFrom.cs @@ -66,7 +66,7 @@ namespace SixLabors.ImageSharp.Tests [Fact] public void Rgb24() { - var source = new Rgb24(1, 22, 231); + var source = new Rgb24(1, 22, 231); // Act: Color color = source; @@ -79,7 +79,7 @@ namespace SixLabors.ImageSharp.Tests [Fact] public void Bgr24() { - var source = new Bgr24(1, 22, 231); + var source = new Bgr24(1, 22, 231); // Act: Color color = source; @@ -88,6 +88,19 @@ namespace SixLabors.ImageSharp.Tests Bgr24 data = color.ToPixel(); Assert.Equal(source, data); } + + [Fact] + public void TPixel() + { + var source = new RgbaVector(1, .1F, .133F, .864F); + + // Act: + var color = Color.FromPixel(source); + + // Assert: + RgbaVector data = color.ToPixel(); + Assert.Equal(source, data); + } } } } diff --git a/tests/ImageSharp.Tests/Color/ColorTests.ConstructFrom.cs b/tests/ImageSharp.Tests/Color/ColorTests.ConstructFrom.cs index 89276014b0..dd51f3a6c2 100644 --- a/tests/ImageSharp.Tests/Color/ColorTests.ConstructFrom.cs +++ b/tests/ImageSharp.Tests/Color/ColorTests.ConstructFrom.cs @@ -66,7 +66,7 @@ namespace SixLabors.ImageSharp.Tests [Fact] public void Rgb24() { - var source = new Rgb24(1, 22, 231); + var source = new Rgb24(1, 22, 231); // Act: var color = new Color(source); @@ -79,7 +79,7 @@ namespace SixLabors.ImageSharp.Tests [Fact] public void Bgr24() { - var source = new Bgr24(1, 22, 231); + var source = new Bgr24(1, 22, 231); // Act: var color = new Color(source); From ef90575a119335314ea69c4cbd556469d91f032f Mon Sep 17 00:00:00 2001 From: James Jackson-South Date: Mon, 1 Nov 2021 21:42:32 +1100 Subject: [PATCH 02/17] Revert "Use RgbaVector for color backing" This reverts commit 257ff1929e341e5b1af94d9adf557e5296ece957. --- src/ImageSharp/Color/Color.Conversions.cs | 87 +++---------------- src/ImageSharp/Color/Color.cs | 74 ++++++++-------- .../Color/ColorTests.CastFrom.cs | 17 +--- .../Color/ColorTests.ConstructFrom.cs | 4 +- 4 files changed, 57 insertions(+), 125 deletions(-) diff --git a/src/ImageSharp/Color/Color.Conversions.cs b/src/ImageSharp/Color/Color.Conversions.cs index abcb54b807..0455fd26a4 100644 --- a/src/ImageSharp/Color/Color.Conversions.cs +++ b/src/ImageSharp/Color/Color.Conversions.cs @@ -17,90 +17,56 @@ namespace SixLabors.ImageSharp /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Rgba64 pixel) - { - RgbaVector vector = default; - vector.FromRgba64(pixel); - this.data = vector; - } + public Color(Rgba64 pixel) => this.data = pixel; /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Rgba32 pixel) - { - RgbaVector vector = default; - vector.FromRgba32(pixel); - this.data = vector; - } + public Color(Rgba32 pixel) => this.data = new Rgba64(pixel); /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Argb32 pixel) - { - RgbaVector vector = default; - vector.FromArgb32(pixel); - this.data = vector; - } + public Color(Argb32 pixel) => this.data = new Rgba64(pixel); /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Bgra32 pixel) - { - RgbaVector vector = default; - vector.FromBgra32(pixel); - this.data = vector; - } + public Color(Bgra32 pixel) => this.data = new Rgba64(pixel); /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Rgb24 pixel) - { - RgbaVector vector = default; - vector.FromRgb24(pixel); - this.data = vector; - } + public Color(Rgb24 pixel) => this.data = new Rgba64(pixel); /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Bgr24 pixel) - { - RgbaVector vector = default; - vector.FromBgr24(pixel); - this.data = vector; - } + public Color(Bgr24 pixel) => this.data = new Rgba64(pixel); /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Vector4 vector) - { - vector = Numerics.Clamp(vector, Vector4.Zero, Vector4.One); - this.data = new RgbaVector(vector.X, vector.Y, vector.Z, vector.W); - } + public Color(Vector4 vector) => this.data = new Rgba64(vector); /// /// Converts a to . /// /// The . /// The . - public static explicit operator Vector4(Color color) => color.data.ToScaledVector4(); + public static explicit operator Vector4(Color color) => color.data.ToVector4(); /// /// Converts an to . @@ -108,47 +74,22 @@ namespace SixLabors.ImageSharp /// The . /// The . [MethodImpl(InliningOptions.ShortMethod)] - public static explicit operator Color(Vector4 source) => new(source); + public static explicit operator Color(Vector4 source) => new Color(source); [MethodImpl(InliningOptions.ShortMethod)] - internal Rgba32 ToRgba32() - { - Rgba32 result = default; - result.FromScaledVector4(this.data.ToScaledVector4()); - return result; - } + internal Rgba32 ToRgba32() => this.data.ToRgba32(); [MethodImpl(InliningOptions.ShortMethod)] - internal Bgra32 ToBgra32() - { - Bgra32 result = default; - result.FromScaledVector4(this.data.ToScaledVector4()); - return result; - } + internal Bgra32 ToBgra32() => this.data.ToBgra32(); [MethodImpl(InliningOptions.ShortMethod)] - internal Argb32 ToArgb32() - { - Argb32 result = default; - result.FromScaledVector4(this.data.ToScaledVector4()); - return result; - } + internal Argb32 ToArgb32() => this.data.ToArgb32(); [MethodImpl(InliningOptions.ShortMethod)] - internal Rgb24 ToRgb24() - { - Rgb24 result = default; - result.FromScaledVector4(this.data.ToScaledVector4()); - return result; - } + internal Rgb24 ToRgb24() => this.data.ToRgb24(); [MethodImpl(InliningOptions.ShortMethod)] - internal Bgr24 ToBgr24() - { - Bgr24 result = default; - result.FromScaledVector4(this.data.ToScaledVector4()); - return result; - } + internal Bgr24 ToBgr24() => this.data.ToBgr24(); [MethodImpl(InliningOptions.ShortMethod)] internal Vector4 ToVector4() => this.data.ToVector4(); diff --git a/src/ImageSharp/Color/Color.cs b/src/ImageSharp/Color/Color.cs index 9a4df4e629..d5eedc160b 100644 --- a/src/ImageSharp/Color/Color.cs +++ b/src/ImageSharp/Color/Color.cs @@ -20,22 +20,26 @@ namespace SixLabors.ImageSharp /// public readonly partial struct Color : IEquatable { - private readonly RgbaVector data; + private readonly Rgba64 data; [MethodImpl(InliningOptions.ShortMethod)] private Color(byte r, byte g, byte b, byte a) { - RgbaVector vector = default; - vector.FromRgba32(new(r, g, b, a)); - this.data = vector; + this.data = new Rgba64( + ColorNumerics.UpscaleFrom8BitTo16Bit(r), + ColorNumerics.UpscaleFrom8BitTo16Bit(g), + ColorNumerics.UpscaleFrom8BitTo16Bit(b), + ColorNumerics.UpscaleFrom8BitTo16Bit(a)); } [MethodImpl(InliningOptions.ShortMethod)] private Color(byte r, byte g, byte b) { - RgbaVector vector = default; - vector.FromRgba32(new(r, g, b)); - this.data = vector; + this.data = new Rgba64( + ColorNumerics.UpscaleFrom8BitTo16Bit(r), + ColorNumerics.UpscaleFrom8BitTo16Bit(g), + ColorNumerics.UpscaleFrom8BitTo16Bit(b), + ushort.MaxValue); } /// @@ -48,7 +52,10 @@ namespace SixLabors.ImageSharp /// otherwise, false. /// [MethodImpl(InliningOptions.ShortMethod)] - public static bool operator ==(Color left, Color right) => left.Equals(right); + public static bool operator ==(Color left, Color right) + { + return left.Equals(right); + } /// /// Checks whether two structures are equal. @@ -60,7 +67,10 @@ namespace SixLabors.ImageSharp /// otherwise, false. /// [MethodImpl(InliningOptions.ShortMethod)] - public static bool operator !=(Color left, Color right) => !left.Equals(right); + public static bool operator !=(Color left, Color right) + { + return !left.Equals(right); + } /// /// Creates a from RGBA bytes. @@ -71,7 +81,7 @@ namespace SixLabors.ImageSharp /// The alpha component (0-255). /// The . [MethodImpl(InliningOptions.ShortMethod)] - public static Color FromRgba(byte r, byte g, byte b, byte a) => new(r, g, b, a); + public static Color FromRgba(byte r, byte g, byte b, byte a) => new Color(r, g, b, a); /// /// Creates a from RGB bytes. @@ -81,17 +91,7 @@ namespace SixLabors.ImageSharp /// The blue component (0-255). /// The . [MethodImpl(InliningOptions.ShortMethod)] - public static Color FromRgb(byte r, byte g, byte b) => new(r, g, b); - - /// - /// Creates a from the given . - /// - /// The pixel to convert from. - /// The pixel format. - /// The . - [MethodImpl(InliningOptions.ShortMethod)] - public static Color FromPixel(TPixel pixel) - where TPixel : unmanaged, IPixel => new(pixel.ToScaledVector4()); + public static Color FromRgb(byte r, byte g, byte b) => new Color(r, g, b); /// /// Creates a new instance of the struct @@ -207,18 +207,13 @@ namespace SixLabors.ImageSharp /// /// A hexadecimal string representation of the value. [MethodImpl(InliningOptions.ShortMethod)] - public string ToHex() - { - Rgba32 rgba = default; - this.data.ToRgba32(ref rgba); - return rgba.ToHex(); - } + public string ToHex() => this.data.ToRgba32().ToHex(); /// public override string ToString() => this.ToHex(); /// - /// Converts the color instance to a specified type. + /// Converts the color instance to a specified type. /// /// The pixel type to convert to. /// The pixel value. @@ -227,12 +222,12 @@ namespace SixLabors.ImageSharp where TPixel : unmanaged, IPixel { TPixel pixel = default; - pixel.FromScaledVector4(this.data.ToScaledVector4()); + pixel.FromRgba64(this.data); return pixel; } /// - /// Bulk converts a span of to a span of a specified type. + /// Bulk converts a span of to a span of a specified type. /// /// The pixel type to convert to. /// The configuration. @@ -245,19 +240,28 @@ namespace SixLabors.ImageSharp Span destination) where TPixel : unmanaged, IPixel { - ReadOnlySpan rgbaSpan = MemoryMarshal.Cast(source); - PixelOperations.Instance.From(configuration, rgbaSpan, destination); + ReadOnlySpan rgba64Span = MemoryMarshal.Cast(source); + PixelOperations.Instance.FromRgba64(configuration, rgba64Span, destination); } /// [MethodImpl(InliningOptions.ShortMethod)] - public bool Equals(Color other) => this.data.Equals(other.data); + public bool Equals(Color other) + { + return this.data.PackedValue == other.data.PackedValue; + } /// - public override bool Equals(object obj) => obj is Color other && this.Equals(other); + public override bool Equals(object obj) + { + return obj is Color other && this.Equals(other); + } /// [MethodImpl(InliningOptions.ShortMethod)] - public override int GetHashCode() => this.data.GetHashCode(); + public override int GetHashCode() + { + return this.data.PackedValue.GetHashCode(); + } } } diff --git a/tests/ImageSharp.Tests/Color/ColorTests.CastFrom.cs b/tests/ImageSharp.Tests/Color/ColorTests.CastFrom.cs index 356ef7351e..38b94f486c 100644 --- a/tests/ImageSharp.Tests/Color/ColorTests.CastFrom.cs +++ b/tests/ImageSharp.Tests/Color/ColorTests.CastFrom.cs @@ -66,7 +66,7 @@ namespace SixLabors.ImageSharp.Tests [Fact] public void Rgb24() { - var source = new Rgb24(1, 22, 231); + var source = new Rgb24(1, 22, 231); // Act: Color color = source; @@ -79,7 +79,7 @@ namespace SixLabors.ImageSharp.Tests [Fact] public void Bgr24() { - var source = new Bgr24(1, 22, 231); + var source = new Bgr24(1, 22, 231); // Act: Color color = source; @@ -88,19 +88,6 @@ namespace SixLabors.ImageSharp.Tests Bgr24 data = color.ToPixel(); Assert.Equal(source, data); } - - [Fact] - public void TPixel() - { - var source = new RgbaVector(1, .1F, .133F, .864F); - - // Act: - var color = Color.FromPixel(source); - - // Assert: - RgbaVector data = color.ToPixel(); - Assert.Equal(source, data); - } } } } diff --git a/tests/ImageSharp.Tests/Color/ColorTests.ConstructFrom.cs b/tests/ImageSharp.Tests/Color/ColorTests.ConstructFrom.cs index dd51f3a6c2..89276014b0 100644 --- a/tests/ImageSharp.Tests/Color/ColorTests.ConstructFrom.cs +++ b/tests/ImageSharp.Tests/Color/ColorTests.ConstructFrom.cs @@ -66,7 +66,7 @@ namespace SixLabors.ImageSharp.Tests [Fact] public void Rgb24() { - var source = new Rgb24(1, 22, 231); + var source = new Rgb24(1, 22, 231); // Act: var color = new Color(source); @@ -79,7 +79,7 @@ namespace SixLabors.ImageSharp.Tests [Fact] public void Bgr24() { - var source = new Bgr24(1, 22, 231); + var source = new Bgr24(1, 22, 231); // Act: var color = new Color(source); From 2ec17e7c6a31b31fafb75cfd85613681fa4125d6 Mon Sep 17 00:00:00 2001 From: James Jackson-South Date: Mon, 1 Nov 2021 22:39:20 +1100 Subject: [PATCH 03/17] Use box pixel for high precision --- src/ImageSharp/Color/Color.Conversions.cs | 117 +++++++++++++++--- src/ImageSharp/Color/Color.cs | 77 ++++++++---- .../Color/ColorTests.CastTo.cs | 17 ++- 3 files changed, 171 insertions(+), 40 deletions(-) diff --git a/src/ImageSharp/Color/Color.Conversions.cs b/src/ImageSharp/Color/Color.Conversions.cs index 0455fd26a4..424b7dcdfe 100644 --- a/src/ImageSharp/Color/Color.Conversions.cs +++ b/src/ImageSharp/Color/Color.Conversions.cs @@ -17,56 +17,85 @@ namespace SixLabors.ImageSharp /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Rgba64 pixel) => this.data = pixel; + public Color(Rgba64 pixel) + { + this.data = pixel; + this.boxedHighPrecisionPixel = null; + } /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Rgba32 pixel) => this.data = new Rgba64(pixel); + public Color(Rgba32 pixel) + { + this.data = new Rgba64(pixel); + this.boxedHighPrecisionPixel = null; + } /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Argb32 pixel) => this.data = new Rgba64(pixel); + public Color(Argb32 pixel) + { + this.data = new Rgba64(pixel); + this.boxedHighPrecisionPixel = null; + } /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Bgra32 pixel) => this.data = new Rgba64(pixel); + public Color(Bgra32 pixel) + { + this.data = new Rgba64(pixel); + this.boxedHighPrecisionPixel = null; + } /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Rgb24 pixel) => this.data = new Rgba64(pixel); + public Color(Rgb24 pixel) + { + this.data = new Rgba64(pixel); + this.boxedHighPrecisionPixel = null; + } /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Bgr24 pixel) => this.data = new Rgba64(pixel); + public Color(Bgr24 pixel) + { + this.data = new Rgba64(pixel); + this.boxedHighPrecisionPixel = null; + } /// /// Initializes a new instance of the struct. /// /// The containing the color information. [MethodImpl(InliningOptions.ShortMethod)] - public Color(Vector4 vector) => this.data = new Rgba64(vector); + public Color(Vector4 vector) + { + vector = Numerics.Clamp(vector, Vector4.Zero, Vector4.One); + this.boxedHighPrecisionPixel = new RgbaVector(vector.X, vector.Y, vector.Z, vector.W); + this.data = default; + } /// /// Converts a to . /// /// The . /// The . - public static explicit operator Vector4(Color color) => color.data.ToVector4(); + public static explicit operator Vector4(Color color) => color.ToVector4(); /// /// Converts an to . @@ -74,24 +103,82 @@ namespace SixLabors.ImageSharp /// The . /// The . [MethodImpl(InliningOptions.ShortMethod)] - public static explicit operator Color(Vector4 source) => new Color(source); + public static explicit operator Color(Vector4 source) => new(source); [MethodImpl(InliningOptions.ShortMethod)] - internal Rgba32 ToRgba32() => this.data.ToRgba32(); + internal Rgba32 ToRgba32() + { + if (this.boxedHighPrecisionPixel is null) + { + return this.data.ToRgba32(); + } + + Rgba32 value = default; + this.boxedHighPrecisionPixel.ToRgba32(ref value); + return value; + } [MethodImpl(InliningOptions.ShortMethod)] - internal Bgra32 ToBgra32() => this.data.ToBgra32(); + internal Bgra32 ToBgra32() + { + if (this.boxedHighPrecisionPixel is null) + { + return this.data.ToBgra32(); + } + + Bgra32 value = default; + value.FromScaledVector4(this.boxedHighPrecisionPixel.ToScaledVector4()); + return value; + } [MethodImpl(InliningOptions.ShortMethod)] - internal Argb32 ToArgb32() => this.data.ToArgb32(); + internal Argb32 ToArgb32() + { + if (this.boxedHighPrecisionPixel is null) + { + return this.data.ToArgb32(); + } + + Argb32 value = default; + value.FromScaledVector4(this.boxedHighPrecisionPixel.ToScaledVector4()); + return value; + } [MethodImpl(InliningOptions.ShortMethod)] - internal Rgb24 ToRgb24() => this.data.ToRgb24(); + internal Rgb24 ToRgb24() + { + if (this.boxedHighPrecisionPixel is null) + { + return this.data.ToRgb24(); + } + + Rgb24 value = default; + value.FromScaledVector4(this.boxedHighPrecisionPixel.ToScaledVector4()); + return value; + } [MethodImpl(InliningOptions.ShortMethod)] - internal Bgr24 ToBgr24() => this.data.ToBgr24(); + internal Bgr24 ToBgr24() + { + if (this.boxedHighPrecisionPixel is null) + { + return this.data.ToBgr24(); + } + + Bgr24 value = default; + value.FromScaledVector4(this.boxedHighPrecisionPixel.ToScaledVector4()); + return value; + } [MethodImpl(InliningOptions.ShortMethod)] - internal Vector4 ToVector4() => this.data.ToVector4(); + internal Vector4 ToVector4() + { + if (this.boxedHighPrecisionPixel is null) + { + return this.data.ToScaledVector4(); + } + + return this.boxedHighPrecisionPixel.ToScaledVector4(); + } } } diff --git a/src/ImageSharp/Color/Color.cs b/src/ImageSharp/Color/Color.cs index d5eedc160b..fe66efcfb5 100644 --- a/src/ImageSharp/Color/Color.cs +++ b/src/ImageSharp/Color/Color.cs @@ -4,7 +4,6 @@ using System; using System.Numerics; using System.Runtime.CompilerServices; -using System.Runtime.InteropServices; using SixLabors.ImageSharp.PixelFormats; namespace SixLabors.ImageSharp @@ -21,6 +20,7 @@ namespace SixLabors.ImageSharp public readonly partial struct Color : IEquatable { private readonly Rgba64 data; + private readonly IPixel boxedHighPrecisionPixel; [MethodImpl(InliningOptions.ShortMethod)] private Color(byte r, byte g, byte b, byte a) @@ -30,6 +30,8 @@ namespace SixLabors.ImageSharp ColorNumerics.UpscaleFrom8BitTo16Bit(g), ColorNumerics.UpscaleFrom8BitTo16Bit(b), ColorNumerics.UpscaleFrom8BitTo16Bit(a)); + + this.boxedHighPrecisionPixel = null; } [MethodImpl(InliningOptions.ShortMethod)] @@ -40,6 +42,15 @@ namespace SixLabors.ImageSharp ColorNumerics.UpscaleFrom8BitTo16Bit(g), ColorNumerics.UpscaleFrom8BitTo16Bit(b), ushort.MaxValue); + + this.boxedHighPrecisionPixel = null; + } + + [MethodImpl(InliningOptions.ShortMethod)] + private Color(IPixel pixel) + { + this.boxedHighPrecisionPixel = pixel; + this.data = default; } /// @@ -52,13 +63,10 @@ namespace SixLabors.ImageSharp /// otherwise, false. /// [MethodImpl(InliningOptions.ShortMethod)] - public static bool operator ==(Color left, Color right) - { - return left.Equals(right); - } + public static bool operator ==(Color left, Color right) => left.Equals(right); /// - /// Checks whether two structures are equal. + /// Checks whether two structures are not equal. /// /// The left hand operand. /// The right hand operand. @@ -67,10 +75,7 @@ namespace SixLabors.ImageSharp /// otherwise, false. /// [MethodImpl(InliningOptions.ShortMethod)] - public static bool operator !=(Color left, Color right) - { - return !left.Equals(right); - } + public static bool operator !=(Color left, Color right) => !left.Equals(right); /// /// Creates a from RGBA bytes. @@ -81,7 +86,7 @@ namespace SixLabors.ImageSharp /// The alpha component (0-255). /// The . [MethodImpl(InliningOptions.ShortMethod)] - public static Color FromRgba(byte r, byte g, byte b, byte a) => new Color(r, g, b, a); + public static Color FromRgba(byte r, byte g, byte b, byte a) => new(r, g, b, a); /// /// Creates a from RGB bytes. @@ -91,7 +96,18 @@ namespace SixLabors.ImageSharp /// The blue component (0-255). /// The . [MethodImpl(InliningOptions.ShortMethod)] - public static Color FromRgb(byte r, byte g, byte b) => new Color(r, g, b); + public static Color FromRgb(byte r, byte g, byte b) => new(r, g, b); + + /// + /// Creates a from the given . + /// + /// The pixel to convert from. + /// The pixel format. + /// The . + [MethodImpl(InliningOptions.ShortMethod)] + public static Color FromPixel(TPixel pixel) + where TPixel : unmanaged, IPixel + => new(pixel); /// /// Creates a new instance of the struct @@ -213,7 +229,7 @@ namespace SixLabors.ImageSharp public override string ToString() => this.ToHex(); /// - /// Converts the color instance to a specified type. + /// Converts the color instance to a specified type. /// /// The pixel type to convert to. /// The pixel value. @@ -221,13 +237,18 @@ namespace SixLabors.ImageSharp public TPixel ToPixel() where TPixel : unmanaged, IPixel { - TPixel pixel = default; + if (this.boxedHighPrecisionPixel is TPixel pixel) + { + return pixel; + } + + pixel = default; pixel.FromRgba64(this.data); return pixel; } /// - /// Bulk converts a span of to a span of a specified type. + /// Bulk converts a span of to a span of a specified type. /// /// The pixel type to convert to. /// The configuration. @@ -240,28 +261,38 @@ namespace SixLabors.ImageSharp Span destination) where TPixel : unmanaged, IPixel { - ReadOnlySpan rgba64Span = MemoryMarshal.Cast(source); - PixelOperations.Instance.FromRgba64(configuration, rgba64Span, destination); + Guard.DestinationShouldNotBeTooShort(source, destination, nameof(destination)); + for (int i = 0; i < source.Length; i++) + { + destination[i] = source[i].ToPixel(); + } } /// [MethodImpl(InliningOptions.ShortMethod)] public bool Equals(Color other) { - return this.data.PackedValue == other.data.PackedValue; + if (this.boxedHighPrecisionPixel is null && other.boxedHighPrecisionPixel is null) + { + return this.data.PackedValue == other.data.PackedValue; + } + + return this.ToVector4().Equals(other.ToVector4()); } /// - public override bool Equals(object obj) - { - return obj is Color other && this.Equals(other); - } + public override bool Equals(object obj) => obj is Color other && this.Equals(other); /// [MethodImpl(InliningOptions.ShortMethod)] public override int GetHashCode() { - return this.data.PackedValue.GetHashCode(); + if (this.boxedHighPrecisionPixel is null) + { + return this.data.PackedValue.GetHashCode(); + } + + return this.boxedHighPrecisionPixel.GetHashCode(); } } } diff --git a/tests/ImageSharp.Tests/Color/ColorTests.CastTo.cs b/tests/ImageSharp.Tests/Color/ColorTests.CastTo.cs index ee1820de77..d3f3cf126e 100644 --- a/tests/ImageSharp.Tests/Color/ColorTests.CastTo.cs +++ b/tests/ImageSharp.Tests/Color/ColorTests.CastTo.cs @@ -66,7 +66,7 @@ namespace SixLabors.ImageSharp.Tests [Fact] public void Rgb24() { - var source = new Rgb24(1, 22, 231); + var source = new Rgb24(1, 22, 231); // Act: var color = new Color(source); @@ -79,7 +79,7 @@ namespace SixLabors.ImageSharp.Tests [Fact] public void Bgr24() { - var source = new Bgr24(1, 22, 231); + var source = new Bgr24(1, 22, 231); // Act: var color = new Color(source); @@ -88,6 +88,19 @@ namespace SixLabors.ImageSharp.Tests Bgr24 data = color; Assert.Equal(source, data); } + + [Fact] + public void TPixel() + { + var source = new RgbaVector(1, .1F, .133F, .864F); + + // Act: + var color = Color.FromPixel(source); + + // Assert: + RgbaVector data = color.ToPixel(); + Assert.Equal(source, data); + } } } } From f9212f7adca384b1147af10a38e3ec0d8dcc12d2 Mon Sep 17 00:00:00 2001 From: James Jackson-South Date: Wed, 3 Nov 2021 22:38:52 +1100 Subject: [PATCH 04/17] Update tests/ImageSharp.Tests/Color/ColorTests.CastTo.cs Co-authored-by: Anton Firszov --- tests/ImageSharp.Tests/Color/ColorTests.CastTo.cs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tests/ImageSharp.Tests/Color/ColorTests.CastTo.cs b/tests/ImageSharp.Tests/Color/ColorTests.CastTo.cs index d3f3cf126e..af35d1f895 100644 --- a/tests/ImageSharp.Tests/Color/ColorTests.CastTo.cs +++ b/tests/ImageSharp.Tests/Color/ColorTests.CastTo.cs @@ -92,7 +92,7 @@ namespace SixLabors.ImageSharp.Tests [Fact] public void TPixel() { - var source = new RgbaVector(1, .1F, .133F, .864F); + var source = new RgbaVector(float.Epsilon, 2 * float.Epsilon, float.MaxValue, float.MinValue); // Act: var color = Color.FromPixel(source); From 425600459e96cc5d34857fd9e0de45952fa8e6ae Mon Sep 17 00:00:00 2001 From: James Jackson-South Date: Wed, 3 Nov 2021 23:49:32 +1100 Subject: [PATCH 05/17] Update Color.Equals --- src/ImageSharp/Color/Color.cs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/ImageSharp/Color/Color.cs b/src/ImageSharp/Color/Color.cs index fe66efcfb5..61d6c8e6d5 100644 --- a/src/ImageSharp/Color/Color.cs +++ b/src/ImageSharp/Color/Color.cs @@ -277,7 +277,7 @@ namespace SixLabors.ImageSharp return this.data.PackedValue == other.data.PackedValue; } - return this.ToVector4().Equals(other.ToVector4()); + return this.boxedHighPrecisionPixel?.Equals(other.boxedHighPrecisionPixel) == true; } /// From 08785103e350266f626b3519b22e3966b4450caa Mon Sep 17 00:00:00 2001 From: Brian Popow Date: Thu, 4 Nov 2021 12:39:42 +0100 Subject: [PATCH 06/17] Add EntropyPasses default value explicit to 1 --- src/ImageSharp/Formats/Webp/IWebpEncoderOptions.cs | 1 + src/ImageSharp/Formats/Webp/WebpEncoder.cs | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/src/ImageSharp/Formats/Webp/IWebpEncoderOptions.cs b/src/ImageSharp/Formats/Webp/IWebpEncoderOptions.cs index 7dbf49d45e..000de4f88c 100644 --- a/src/ImageSharp/Formats/Webp/IWebpEncoderOptions.cs +++ b/src/ImageSharp/Formats/Webp/IWebpEncoderOptions.cs @@ -35,6 +35,7 @@ namespace SixLabors.ImageSharp.Formats.Webp /// /// Gets the number of entropy-analysis passes (in [1..10]). + /// Defaults to 1. /// int EntropyPasses { get; } diff --git a/src/ImageSharp/Formats/Webp/WebpEncoder.cs b/src/ImageSharp/Formats/Webp/WebpEncoder.cs index f85f65b635..bdcbb194b1 100644 --- a/src/ImageSharp/Formats/Webp/WebpEncoder.cs +++ b/src/ImageSharp/Formats/Webp/WebpEncoder.cs @@ -27,7 +27,7 @@ namespace SixLabors.ImageSharp.Formats.Webp public bool UseAlphaCompression { get; set; } /// - public int EntropyPasses { get; set; } + public int EntropyPasses { get; set; } = 1; /// public int SpatialNoiseShaping { get; set; } = 50; From 947dc8d5ecff64414247ede191452cf8c7a77c26 Mon Sep 17 00:00:00 2001 From: Brian Popow Date: Thu, 4 Nov 2021 12:40:39 +0100 Subject: [PATCH 07/17] Make sure magick.net and imagesharp use the same configuration --- .../Codecs/EncodeWebp.cs | 45 ++++++++++++++++--- 1 file changed, 39 insertions(+), 6 deletions(-) diff --git a/tests/ImageSharp.Benchmarks/Codecs/EncodeWebp.cs b/tests/ImageSharp.Benchmarks/Codecs/EncodeWebp.cs index 7d3dfe693c..59814f465c 100644 --- a/tests/ImageSharp.Benchmarks/Codecs/EncodeWebp.cs +++ b/tests/ImageSharp.Benchmarks/Codecs/EncodeWebp.cs @@ -4,6 +4,7 @@ using System.IO; using BenchmarkDotNet.Attributes; using ImageMagick; +using ImageMagick.Formats; using SixLabors.ImageSharp.Formats.Webp; using SixLabors.ImageSharp.PixelFormats; using SixLabors.ImageSharp.Tests; @@ -44,8 +45,22 @@ namespace SixLabors.ImageSharp.Benchmarks.Codecs public void MagickWebpLossy() { using var memoryStream = new MemoryStream(); - this.webpMagick.Settings.SetDefine(MagickFormat.WebP, "lossless", false); - this.webpMagick.Write(memoryStream, MagickFormat.WebP); + + var defines = new WebPWriteDefines + { + Lossless = false, + Method = 4, + AlphaCompression = WebPAlphaCompression.None, + FilterStrength = 60, + SnsStrength = 50, + Pass = 1, + + // 100 means off. + NearLossless = 100 + }; + + this.webpMagick.Settings.SetDefine(MagickFormat.WebP, "quality", 75); + this.webpMagick.Write(memoryStream, defines); } [Benchmark(Description = "ImageSharp Webp Lossy")] @@ -54,7 +69,12 @@ namespace SixLabors.ImageSharp.Benchmarks.Codecs using var memoryStream = new MemoryStream(); this.webp.Save(memoryStream, new WebpEncoder() { - FileFormat = WebpFileFormatType.Lossy + FileFormat = WebpFileFormatType.Lossy, + Method = WebpEncodingMethod.Level4, + UseAlphaCompression = false, + FilterStrength = 60, + SpatialNoiseShaping = 50, + EntropyPasses = 1 }); } @@ -62,8 +82,18 @@ namespace SixLabors.ImageSharp.Benchmarks.Codecs public void MagickWebpLossless() { using var memoryStream = new MemoryStream(); - this.webpMagick.Settings.SetDefine(MagickFormat.WebP, "lossless", true); - this.webpMagick.Write(memoryStream, MagickFormat.WebP); + var defines = new WebPWriteDefines + { + Lossless = true, + Method = 4, + + // 100 means off. + NearLossless = 100 + }; + + this.webpMagick.Settings.SetDefine(MagickFormat.WebP, "exact", false); + this.webpMagick.Settings.SetDefine(MagickFormat.WebP, "quality", 75); + this.webpMagick.Write(memoryStream, defines); } [Benchmark(Description = "ImageSharp Webp Lossless")] @@ -72,7 +102,10 @@ namespace SixLabors.ImageSharp.Benchmarks.Codecs using var memoryStream = new MemoryStream(); this.webp.Save(memoryStream, new WebpEncoder() { - FileFormat = WebpFileFormatType.Lossless + FileFormat = WebpFileFormatType.Lossless, + Method = WebpEncodingMethod.Level4, + NearLossless = false, + TransparentColorMode = WebpTransparentColorMode.Clear }); } From 55b67ada2f659463f438303e77d0f1b1de4c47bc Mon Sep 17 00:00:00 2001 From: Brian Popow Date: Thu, 4 Nov 2021 21:40:02 +0100 Subject: [PATCH 08/17] Use webpMagick.Quality for the quality parameter --- tests/ImageSharp.Benchmarks/Codecs/EncodeWebp.cs | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/tests/ImageSharp.Benchmarks/Codecs/EncodeWebp.cs b/tests/ImageSharp.Benchmarks/Codecs/EncodeWebp.cs index 59814f465c..2229849921 100644 --- a/tests/ImageSharp.Benchmarks/Codecs/EncodeWebp.cs +++ b/tests/ImageSharp.Benchmarks/Codecs/EncodeWebp.cs @@ -59,7 +59,7 @@ namespace SixLabors.ImageSharp.Benchmarks.Codecs NearLossless = 100 }; - this.webpMagick.Settings.SetDefine(MagickFormat.WebP, "quality", 75); + this.webpMagick.Quality = 75; this.webpMagick.Write(memoryStream, defines); } @@ -91,8 +91,7 @@ namespace SixLabors.ImageSharp.Benchmarks.Codecs NearLossless = 100 }; - this.webpMagick.Settings.SetDefine(MagickFormat.WebP, "exact", false); - this.webpMagick.Settings.SetDefine(MagickFormat.WebP, "quality", 75); + this.webpMagick.Quality = 75; this.webpMagick.Write(memoryStream, defines); } @@ -105,6 +104,8 @@ namespace SixLabors.ImageSharp.Benchmarks.Codecs FileFormat = WebpFileFormatType.Lossless, Method = WebpEncodingMethod.Level4, NearLossless = false, + + // This is equal to exact = false in libwebp, which is the default. TransparentColorMode = WebpTransparentColorMode.Clear }); } From 2b6dbbce6fb6561a7fbddb0bd08afe69b9349382 Mon Sep 17 00:00:00 2001 From: Brian Popow Date: Fri, 5 Nov 2021 12:46:53 +0100 Subject: [PATCH 09/17] Update benchmark results --- .../Codecs/DecodeWebp.cs | 49 ++++++++--------- .../Codecs/EncodeWebp.cs | 55 +++++++++---------- 2 files changed, 48 insertions(+), 56 deletions(-) diff --git a/tests/ImageSharp.Benchmarks/Codecs/DecodeWebp.cs b/tests/ImageSharp.Benchmarks/Codecs/DecodeWebp.cs index 407a4ef3b2..878929823d 100644 --- a/tests/ImageSharp.Benchmarks/Codecs/DecodeWebp.cs +++ b/tests/ImageSharp.Benchmarks/Codecs/DecodeWebp.cs @@ -76,34 +76,29 @@ namespace SixLabors.ImageSharp.Benchmarks.Codecs return image.Height; } - /* Results 17.06.2021 - * BenchmarkDotNet=v0.12.0, OS=Windows 10.0.18362 + /* Results 04.11.2021 + * BenchmarkDotNet=v0.13.0, OS=Windows 10.0.19043.1320 (21H1/May2021Update) Intel Core i7-6700K CPU 4.00GHz (Skylake), 1 CPU, 8 logical and 4 physical cores - .NET Core SDK=3.1.202 - [Host] : .NET Core 3.1.4 (CoreCLR 4.700.20.20201, CoreFX 4.700.20.22101), X64 RyuJIT - Job-AQFZAV : .NET Framework 4.8 (4.8.4180.0), X64 RyuJIT - Job-YCDAPQ : .NET Core 2.1.18 (CoreCLR 4.6.28801.04, CoreFX 4.6.28802.05), X64 RyuJIT - Job-WMTYOZ : .NET Core 3.1.4 (CoreCLR 4.700.20.20201, CoreFX 4.700.20.22101), X64 RyuJIT - - IterationCount=3 LaunchCount=1 WarmupCount=3 - | Method | Job | Runtime | TestImageLossy | TestImageLossless | Mean | Error | StdDev | Gen 0 | Gen 1 | Gen 2 | Allocated | - |--------------------------- |----------- |-------------- |---------------------- |------------------------- |-----------:|----------:|---------:|----------:|----------:|------:|------------:| - | 'Magick Lossy Webp' | Job-IERNAB | .NET 4.7.2 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 105.8 ms | 6.28 ms | 0.34 ms | - | - | - | 17.65 KB | - | 'ImageSharp Lossy Webp' | Job-IERNAB | .NET 4.7.2 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 1,145.0 ms | 110.82 ms | 6.07 ms | - | - | - | 2779.53 KB | - | 'Magick Lossless Webp' | Job-IERNAB | .NET 4.7.2 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 145.9 ms | 8.55 ms | 0.47 ms | - | - | - | 18.05 KB | - | 'ImageSharp Lossless Webp' | Job-IERNAB | .NET 4.7.2 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 1,694.1 ms | 55.09 ms | 3.02 ms | 4000.0000 | 1000.0000 | - | 30556.87 KB | - | 'Magick Lossy Webp' | Job-IMRAGJ | .NET Core 2.1 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 105.7 ms | 1.89 ms | 0.10 ms | - | - | - | 15.75 KB | - | 'ImageSharp Lossy Webp' | Job-IMRAGJ | .NET Core 2.1 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 741.6 ms | 21.45 ms | 1.18 ms | - | - | - | 2767.85 KB | - | 'Magick Lossless Webp' | Job-IMRAGJ | .NET Core 2.1 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 146.1 ms | 9.52 ms | 0.52 ms | - | - | - | 16.54 KB | - | 'ImageSharp Lossless Webp' | Job-IMRAGJ | .NET Core 2.1 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 522.5 ms | 21.15 ms | 1.16 ms | 4000.0000 | 1000.0000 | - | 22860.02 KB | - | 'Magick Lossy Webp' | Job-NAASQX | .NET Core 3.1 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 105.9 ms | 5.34 ms | 0.29 ms | - | - | - | 15.45 KB | - | 'ImageSharp Lossy Webp' | Job-NAASQX | .NET Core 3.1 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 748.8 ms | 290.47 ms | 15.92 ms | - | - | - | 2767.84 KB | - | 'Magick Lossless Webp' | Job-NAASQX | .NET Core 3.1 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 146.1 ms | 1.14 ms | 0.06 ms | - | - | - | 15.9 KB | - | 'ImageSharp Lossless Webp' | Job-NAASQX | .NET Core 3.1 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 480.7 ms | 25.25 ms | 1.38 ms | 4000.0000 | 1000.0000 | - | 22859.7 KB | - | 'Magick Lossy Webp' | Job-GLNACU | .NET Core 5.0 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 105.7 ms | 4.71 ms | 0.26 ms | - | - | - | 15.48 KB | - | 'ImageSharp Lossy Webp' | Job-GLNACU | .NET Core 5.0 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 645.7 ms | 61.00 ms | 3.34 ms | - | - | - | 2768.13 KB | - | 'Magick Lossless Webp' | Job-GLNACU | .NET Core 5.0 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 146.5 ms | 18.63 ms | 1.02 ms | - | - | - | 15.8 KB | - | 'ImageSharp Lossless Webp' | Job-GLNACU | .NET Core 5.0 | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 306.7 ms | 32.31 ms | 1.77 ms | 4000.0000 | 1000.0000 | - | 22860.02 KB | + .NET SDK=6.0.100-rc.2.21505.57 + [Host] : .NET 5.0.11 (5.0.1121.47308), X64 RyuJIT + Job-WQLXJO : .NET 5.0.11 (5.0.1121.47308), X64 RyuJIT + Job-OJJAMD : .NET Core 3.1.20 (CoreCLR 4.700.21.47003, CoreFX 4.700.21.47101), X64 RyuJIT + Job-OMFOAS : .NET Framework 4.8 (4.8.4420.0), X64 RyuJIT + + | Method | Job | Runtime | Arguments | TestImageLossy | TestImageLossless | Mean | Error | StdDev | Gen 0 | Gen 1 | Gen 2 | Allocated | + |--------------------------- |----------- |--------------------- |---------------------- |---------------------- |------------------------- |-----------:|----------:|--------:|---------:|------:|------:|----------:| + | 'Magick Lossy Webp' | Job-HLWZLL | .NET 5.0 | /p:DebugType=portable | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 107.9 ms | 28.91 ms | 1.58 ms | - | - | - | 25 KB | + | 'ImageSharp Lossy Webp' | Job-HLWZLL | .NET 5.0 | /p:DebugType=portable | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 282.3 ms | 25.40 ms | 1.39 ms | 500.0000 | - | - | 2,428 KB | + | 'Magick Lossless Webp' | Job-HLWZLL | .NET 5.0 | /p:DebugType=portable | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 106.3 ms | 11.99 ms | 0.66 ms | - | - | - | 16 KB | + | 'ImageSharp Lossless Webp' | Job-HLWZLL | .NET 5.0 | /p:DebugType=portable | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 280.2 ms | 6.21 ms | 0.34 ms | - | - | - | 2,092 KB | + | 'Magick Lossy Webp' | Job-ALQPDS | .NET Core 3.1 | Default | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 106.2 ms | 9.32 ms | 0.51 ms | - | - | - | 15 KB | + | 'ImageSharp Lossy Webp' | Job-ALQPDS | .NET Core 3.1 | Default | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 295.8 ms | 21.25 ms | 1.16 ms | 500.0000 | - | - | 2,427 KB | + | 'Magick Lossless Webp' | Job-ALQPDS | .NET Core 3.1 | Default | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 106.5 ms | 4.07 ms | 0.22 ms | - | - | - | 15 KB | + | 'ImageSharp Lossless Webp' | Job-ALQPDS | .NET Core 3.1 | Default | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 464.0 ms | 55.70 ms | 3.05 ms | - | - | - | 2,090 KB | + | 'Magick Lossy Webp' | Job-RYVVNN | .NET Framework 4.7.2 | Default | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 108.0 ms | 29.60 ms | 1.62 ms | - | - | - | 32 KB | + | 'ImageSharp Lossy Webp' | Job-RYVVNN | .NET Framework 4.7.2 | Default | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 564.9 ms | 29.69 ms | 1.63 ms | - | - | - | 2,436 KB | + | 'Magick Lossless Webp' | Job-RYVVNN | .NET Framework 4.7.2 | Default | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 106.2 ms | 4.74 ms | 0.26 ms | - | - | - | 18 KB | + | 'ImageSharp Lossless Webp' | Job-RYVVNN | .NET Framework 4.7.2 | Default | Webp/earth_lossy.webp | Webp/earth_lossless.webp | 1,767.5 ms | 106.33 ms | 5.83 ms | - | - | - | 9,729 KB | */ } } diff --git a/tests/ImageSharp.Benchmarks/Codecs/EncodeWebp.cs b/tests/ImageSharp.Benchmarks/Codecs/EncodeWebp.cs index 2229849921..43d8c464ce 100644 --- a/tests/ImageSharp.Benchmarks/Codecs/EncodeWebp.cs +++ b/tests/ImageSharp.Benchmarks/Codecs/EncodeWebp.cs @@ -110,37 +110,34 @@ namespace SixLabors.ImageSharp.Benchmarks.Codecs }); } - /* Results 17.06.2021 + /* Results 04.11.2021 * Summary * - BenchmarkDotNet=v0.12.1, OS=Windows 10.0.19041.630 (2004/?/20H1) + BenchmarkDotNet=v0.13.0, OS=Windows 10.0.19043.1320 (21H1/May2021Update) Intel Core i7-6700K CPU 4.00GHz (Skylake), 1 CPU, 8 logical and 4 physical cores - .NET Core SDK=5.0.100 - [Host] : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT - Job-OUUGWL : .NET Framework 4.8 (4.8.4250.0), X64 RyuJIT - Job-GAIITM : .NET Core 2.1.23 (CoreCLR 4.6.29321.03, CoreFX 4.6.29321.01), X64 RyuJIT - Job-HWOBSO : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT - - | Method | Job | Runtime | TestImage | Mean | Error | StdDev | Ratio | RatioSD | Gen 0 | Gen 1 | Gen 2 | Allocated | - |--------------------------- |----------- |-------------- |------------- |----------:|-----------:|----------:|------:|--------:|-----------:|----------:|----------:|-------------:| - | 'Magick Webp Lossy' | Job-RYVNHD | .NET 4.7.2 | Png/Bike.png | 23.30 ms | 0.869 ms | 0.048 ms | 0.14 | 0.00 | - | - | - | 68.19 KB | - | 'ImageSharp Webp Lossy' | Job-RYVNHD | .NET 4.7.2 | Png/Bike.png | 68.22 ms | 16.454 ms | 0.902 ms | 0.42 | 0.01 | 6125.0000 | 125.0000 | - | 26359.49 KB | - | 'Magick Webp Lossless' | Job-RYVNHD | .NET 4.7.2 | Png/Bike.png | 161.96 ms | 9.879 ms | 0.541 ms | 1.00 | 0.00 | - | - | - | 520.28 KB | - | 'ImageSharp Webp Lossless' | Job-RYVNHD | .NET 4.7.2 | Png/Bike.png | 370.88 ms | 58.875 ms | 3.227 ms | 2.29 | 0.02 | 34000.0000 | 5000.0000 | 2000.0000 | 163177.15 KB | - | | | | | | | | | | | | | | - | 'Magick Webp Lossy' | Job-GOZXWU | .NET Core 2.1 | Png/Bike.png | 23.35 ms | 0.428 ms | 0.023 ms | 0.14 | 0.00 | - | - | - | 67.76 KB | - | 'ImageSharp Webp Lossy' | Job-GOZXWU | .NET Core 2.1 | Png/Bike.png | 43.95 ms | 2.850 ms | 0.156 ms | 0.27 | 0.00 | 6250.0000 | 250.0000 | 83.3333 | 26284.72 KB | - | 'Magick Webp Lossless' | Job-GOZXWU | .NET Core 2.1 | Png/Bike.png | 161.44 ms | 3.749 ms | 0.206 ms | 1.00 | 0.00 | - | - | - | 519.26 KB | - | 'ImageSharp Webp Lossless' | Job-GOZXWU | .NET Core 2.1 | Png/Bike.png | 335.78 ms | 78.666 ms | 4.312 ms | 2.08 | 0.03 | 34000.0000 | 5000.0000 | 2000.0000 | 162727.56 KB | - | | | | | | | | | | | | | | - | 'Magick Webp Lossy' | Job-VRDVKW | .NET Core 3.1 | Png/Bike.png | 23.48 ms | 4.325 ms | 0.237 ms | 0.15 | 0.00 | - | - | - | 67.66 KB | - | 'ImageSharp Webp Lossy' | Job-VRDVKW | .NET Core 3.1 | Png/Bike.png | 43.29 ms | 16.503 ms | 0.905 ms | 0.27 | 0.01 | 6272.7273 | 272.7273 | 90.9091 | 26284.86 KB | - | 'Magick Webp Lossless' | Job-VRDVKW | .NET Core 3.1 | Png/Bike.png | 161.81 ms | 10.693 ms | 0.586 ms | 1.00 | 0.00 | - | - | - | 523.25 KB | - | 'ImageSharp Webp Lossless' | Job-VRDVKW | .NET Core 3.1 | Png/Bike.png | 323.97 ms | 235.468 ms | 12.907 ms | 2.00 | 0.08 | 34000.0000 | 5000.0000 | 2000.0000 | 162724.84 KB | - | | | | | | | | | | | | | | - | 'Magick Webp Lossy' | Job-ZJRLRB | .NET Core 5.0 | Png/Bike.png | 23.36 ms | 0.448 ms | 0.025 ms | 0.14 | 0.00 | - | - | - | 67.66 KB | - | 'ImageSharp Webp Lossy' | Job-ZJRLRB | .NET Core 5.0 | Png/Bike.png | 40.11 ms | 2.465 ms | 0.135 ms | 0.25 | 0.00 | 6307.6923 | 230.7692 | 76.9231 | 26284.71 KB | - | 'Magick Webp Lossless' | Job-ZJRLRB | .NET Core 5.0 | Png/Bike.png | 161.55 ms | 6.662 ms | 0.365 ms | 1.00 | 0.00 | - | - | - | 518.84 KB | - | 'ImageSharp Webp Lossless' | Job-ZJRLRB | .NET Core 5.0 | Png/Bike.png | 298.73 ms | 17.953 ms | 0.984 ms | 1.85 | 0.01 | 34000.0000 | 5000.0000 | 2000.0000 | 162725.13 KB | + .NET SDK=6.0.100-rc.2.21505.57 + [Host] : .NET 5.0.11 (5.0.1121.47308), X64 RyuJIT + Job-WQLXJO : .NET 5.0.11 (5.0.1121.47308), X64 RyuJIT + Job-OJJAMD : .NET Core 3.1.20 (CoreCLR 4.700.21.47003, CoreFX 4.700.21.47101), X64 RyuJIT + Job-OMFOAS : .NET Framework 4.8 (4.8.4420.0), X64 RyuJIT + + IterationCount=3 LaunchCount=1 WarmupCount=3 + + | Method | Job | Runtime | Arguments | TestImage | Mean | Error | StdDev | Ratio | RatioSD | Gen 0 | Gen 1 | Gen 2 | Allocated | + |--------------------------- |----------- |--------------------- |---------------------- |------------- |----------:|----------:|---------:|------:|--------:|------------:|----------:|----------:|-----------:| + | 'Magick Webp Lossy' | Job-WQLXJO | .NET 5.0 | /p:DebugType=portable | Png/Bike.png | 23.33 ms | 1.491 ms | 0.082 ms | 0.15 | 0.00 | - | - | - | 67 KB | + | 'ImageSharp Webp Lossy' | Job-WQLXJO | .NET 5.0 | /p:DebugType=portable | Png/Bike.png | 245.80 ms | 24.288 ms | 1.331 ms | 1.53 | 0.01 | 135000.0000 | - | - | 552,713 KB | + | 'Magick Webp Lossless' | Job-WQLXJO | .NET 5.0 | /p:DebugType=portable | Png/Bike.png | 160.36 ms | 11.131 ms | 0.610 ms | 1.00 | 0.00 | - | - | - | 518 KB | + | 'ImageSharp Webp Lossless' | Job-WQLXJO | .NET 5.0 | /p:DebugType=portable | Png/Bike.png | 313.93 ms | 45.605 ms | 2.500 ms | 1.96 | 0.01 | 34000.0000 | 5000.0000 | 2000.0000 | 161,670 KB | + | | | | | | | | | | | | | | | + | 'Magick Webp Lossy' | Job-OJJAMD | .NET Core 3.1 | Default | Png/Bike.png | 23.36 ms | 2.289 ms | 0.125 ms | 0.15 | 0.00 | - | - | - | 67 KB | + | 'ImageSharp Webp Lossy' | Job-OJJAMD | .NET Core 3.1 | Default | Png/Bike.png | 254.64 ms | 19.620 ms | 1.075 ms | 1.59 | 0.00 | 135000.0000 | - | - | 552,713 KB | + | 'Magick Webp Lossless' | Job-OJJAMD | .NET Core 3.1 | Default | Png/Bike.png | 160.30 ms | 9.549 ms | 0.523 ms | 1.00 | 0.00 | - | - | - | 518 KB | + | 'ImageSharp Webp Lossless' | Job-OJJAMD | .NET Core 3.1 | Default | Png/Bike.png | 320.35 ms | 22.924 ms | 1.257 ms | 2.00 | 0.01 | 34000.0000 | 5000.0000 | 2000.0000 | 161,669 KB | + | | | | | | | | | | | | | | | + | 'Magick Webp Lossy' | Job-OMFOAS | .NET Framework 4.7.2 | Default | Png/Bike.png | 23.37 ms | 0.908 ms | 0.050 ms | 0.15 | 0.00 | - | - | - | 68 KB | + | 'ImageSharp Webp Lossy' | Job-OMFOAS | .NET Framework 4.7.2 | Default | Png/Bike.png | 378.67 ms | 25.540 ms | 1.400 ms | 2.36 | 0.01 | 135000.0000 | - | - | 554,351 KB | + | 'Magick Webp Lossless' | Job-OMFOAS | .NET Framework 4.7.2 | Default | Png/Bike.png | 160.13 ms | 5.115 ms | 0.280 ms | 1.00 | 0.00 | - | - | - | 520 KB | + | 'ImageSharp Webp Lossless' | Job-OMFOAS | .NET Framework 4.7.2 | Default | Png/Bike.png | 379.01 ms | 71.192 ms | 3.902 ms | 2.37 | 0.02 | 34000.0000 | 5000.0000 | 2000.0000 | 162,119 KB | */ } } From b9e8f76990206843b485006bac8b9ff2cceb05ed Mon Sep 17 00:00:00 2001 From: James Jackson-South Date: Sun, 7 Nov 2021 18:07:43 +1100 Subject: [PATCH 10/17] Update FromPixel --- src/ImageSharp/Color/Color.Conversions.cs | 11 +++++++++++ src/ImageSharp/Color/Color.cs | 22 +++++++++++++++++++++- 2 files changed, 32 insertions(+), 1 deletion(-) diff --git a/src/ImageSharp/Color/Color.Conversions.cs b/src/ImageSharp/Color/Color.Conversions.cs index 424b7dcdfe..96aa05c961 100644 --- a/src/ImageSharp/Color/Color.Conversions.cs +++ b/src/ImageSharp/Color/Color.Conversions.cs @@ -23,6 +23,17 @@ namespace SixLabors.ImageSharp this.boxedHighPrecisionPixel = null; } + /// + /// Initializes a new instance of the struct. + /// + /// The containing the color information. + [MethodImpl(InliningOptions.ShortMethod)] + public Color(Rgb48 pixel) + { + this.data = new Rgba64(pixel.R, pixel.G, pixel.B, ushort.MaxValue); + this.boxedHighPrecisionPixel = null; + } + /// /// Initializes a new instance of the struct. /// diff --git a/src/ImageSharp/Color/Color.cs b/src/ImageSharp/Color/Color.cs index 61d6c8e6d5..c461d034eb 100644 --- a/src/ImageSharp/Color/Color.cs +++ b/src/ImageSharp/Color/Color.cs @@ -107,7 +107,27 @@ namespace SixLabors.ImageSharp [MethodImpl(InliningOptions.ShortMethod)] public static Color FromPixel(TPixel pixel) where TPixel : unmanaged, IPixel - => new(pixel); + { + // Avoid boxing in case we can convert to Rgba64 safely and efficently + if (typeof(TPixel) == typeof(Rgba64)) + { + return new((Rgba64)(object)pixel); + } + else if (typeof(TPixel) == typeof(Rgb48)) + { + return new((Rgb48)(object)pixel); + } + else if (Unsafe.SizeOf() <= Unsafe.SizeOf()) + { + Rgba32 p = default; + pixel.ToRgba32(ref p); + return new(p); + } + else + { + return new(pixel); + } + } /// /// Creates a new instance of the struct From 5b1720eb8deccd3ea37248111a68df73ce632c3a Mon Sep 17 00:00:00 2001 From: Brian Popow Date: Sun, 7 Nov 2021 13:27:08 +0100 Subject: [PATCH 11/17] Add sse41 version of Hadamard transform --- .../Formats/Webp/Lossy/LossyUtils.cs | 151 +++++++++++++++++- 1 file changed, 146 insertions(+), 5 deletions(-) diff --git a/src/ImageSharp/Formats/Webp/Lossy/LossyUtils.cs b/src/ImageSharp/Formats/Webp/Lossy/LossyUtils.cs index 04ff80b2d9..0993e2a666 100644 --- a/src/ImageSharp/Formats/Webp/Lossy/LossyUtils.cs +++ b/src/ImageSharp/Formats/Webp/Lossy/LossyUtils.cs @@ -4,11 +4,15 @@ using System; using System.Buffers.Binary; using System.Runtime.CompilerServices; +#if SUPPORTS_RUNTIME_INTRINSICS +using System.Runtime.Intrinsics; +using System.Runtime.Intrinsics.X86; +#endif // ReSharper disable InconsistentNaming namespace SixLabors.ImageSharp.Formats.Webp.Lossy { - internal static class LossyUtils + internal static unsafe class LossyUtils { [MethodImpl(InliningOptions.ShortMethod)] public static int Vp8Sse16X16(Span a, Span b) => GetSse(a, b, 16, 16); @@ -61,11 +65,12 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossy public static int Vp8Disto16X16(Span a, Span b, Span w) { int d = 0; + int dataSize = (4 * WebpConstants.Bps) - 16; for (int y = 0; y < 16 * WebpConstants.Bps; y += 4 * WebpConstants.Bps) { for (int x = 0; x < 16; x += 4) { - d += Vp8Disto4X4(a.Slice(x + y), b.Slice(x + y), w); + d += Vp8Disto4X4(a.Slice(x + y, dataSize), b.Slice(x + y, dataSize), w); } } @@ -75,9 +80,19 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossy [MethodImpl(InliningOptions.ShortMethod)] public static int Vp8Disto4X4(Span a, Span b, Span w) { - int sum1 = TTransform(a, w); - int sum2 = TTransform(b, w); - return Math.Abs(sum2 - sum1) >> 5; +#if SUPPORTS_RUNTIME_INTRINSICS + if (Sse41.IsSupported) + { + int diffSum = TTransformSse41(a, b, w); + return Math.Abs(diffSum) >> 5; + } + else +#endif + { + int sum1 = TTransform(a, w); + int sum2 = TTransform(b, w); + return Math.Abs(sum2 - sum1) >> 5; + } } public static void DC16(Span dst, Span yuv, int offset) @@ -591,6 +606,132 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossy return sum; } +#if SUPPORTS_RUNTIME_INTRINSICS + /// + /// Hadamard transform + /// Returns the weighted sum of the absolute value of transformed coefficients. + /// w[] contains a row-major 4 by 4 symmetric matrix. + /// + public static int TTransformSse41(Span inputA, Span inputB, Span w) + { + Span sum = stackalloc int[4]; +#pragma warning disable SA1503 // Braces should not be omitted + fixed (byte* inputAPtr = inputA) + fixed (byte* inputBPtr = inputB) + fixed (ushort* wPtr = w) + fixed (int* outputPtr = sum) + { + // Load and combine inputs. + Vector128 ina0 = Sse2.LoadVector128(inputAPtr); + Vector128 ina1 = Sse2.LoadVector128(inputAPtr + (WebpConstants.Bps * 1)); + Vector128 ina2 = Sse2.LoadVector128(inputAPtr + (WebpConstants.Bps * 2)); + Vector128 ina3 = Sse2.LoadVector128((long*)(inputAPtr + (WebpConstants.Bps * 3))); + Vector128 inb0 = Sse2.LoadVector128(inputBPtr); + Vector128 inb1 = Sse2.LoadVector128(inputBPtr + (WebpConstants.Bps * 1)); + Vector128 inb2 = Sse2.LoadVector128(inputBPtr + (WebpConstants.Bps * 2)); + Vector128 inb3 = Sse2.LoadVector128((long*)(inputBPtr + (WebpConstants.Bps * 3))); + + // Combine inA and inB (we'll do two transforms in parallel). + Vector128 inab0 = Sse2.UnpackLow(ina0.AsInt32(), inb0.AsInt32()); + Vector128 inab1 = Sse2.UnpackLow(ina1.AsInt32(), inb1.AsInt32()); + Vector128 inab2 = Sse2.UnpackLow(ina2.AsInt32(), inb2.AsInt32()); + Vector128 inab3 = Sse2.UnpackLow(ina3.AsInt32(), inb3.AsInt32()); + Vector128 tmp0 = Sse41.ConvertToVector128Int16(inab0.AsByte()); + Vector128 tmp1 = Sse41.ConvertToVector128Int16(inab1.AsByte()); + Vector128 tmp2 = Sse41.ConvertToVector128Int16(inab2.AsByte()); + Vector128 tmp3 = Sse41.ConvertToVector128Int16(inab3.AsByte()); + + // a00 a01 a02 a03 b00 b01 b02 b03 + // a10 a11 a12 a13 b10 b11 b12 b13 + // a20 a21 a22 a23 b20 b21 b22 b23 + // a30 a31 a32 a33 b30 b31 b32 b33 + // Vertical pass first to avoid a transpose (vertical and horizontal passes + // are commutative because w/kWeightY is symmetric) and subsequent transpose. + // Calculate a and b (two 4x4 at once). + Vector128 a0 = Sse2.Add(tmp0, tmp2); + Vector128 a1 = Sse2.Add(tmp1, tmp3); + Vector128 a2 = Sse2.Subtract(tmp1, tmp3); + Vector128 a3 = Sse2.Subtract(tmp0, tmp2); + Vector128 b0 = Sse2.Add(a0, a1); + Vector128 b1 = Sse2.Add(a3, a2); + Vector128 b2 = Sse2.Subtract(a3, a2); + Vector128 b3 = Sse2.Subtract(a0, a1); + + // a00 a01 a02 a03 b00 b01 b02 b03 + // a10 a11 a12 a13 b10 b11 b12 b13 + // a20 a21 a22 a23 b20 b21 b22 b23 + // a30 a31 a32 a33 b30 b31 b32 b33 + // Transpose the two 4x4. + Vector128 transpose00 = Sse2.UnpackLow(b0, b1); + Vector128 transpose01 = Sse2.UnpackLow(b2, b3); + Vector128 transpose02 = Sse2.UnpackHigh(b0, b1); + Vector128 transpose03 = Sse2.UnpackHigh(b2, b3); + + // a00 a10 a01 a11 a02 a12 a03 a13 + // a20 a30 a21 a31 a22 a32 a23 a33 + // b00 b10 b01 b11 b02 b12 b03 b13 + // b20 b30 b21 b31 b22 b32 b23 b33 + Vector128 transpose10 = Sse2.UnpackLow(transpose00.AsInt32(), transpose01.AsInt32()); + Vector128 transpose11 = Sse2.UnpackLow(transpose02.AsInt32(), transpose03.AsInt32()); + Vector128 transpose12 = Sse2.UnpackHigh(transpose00.AsInt32(), transpose01.AsInt32()); + Vector128 transpose13 = Sse2.UnpackHigh(transpose02.AsInt32(), transpose03.AsInt32()); + + // a00 a10 a20 a30 a01 a11 a21 a31 + // b00 b10 b20 b30 b01 b11 b21 b31 + // a02 a12 a22 a32 a03 a13 a23 a33 + // b02 b12 a22 b32 b03 b13 b23 b33 + Vector128 output0 = Sse2.UnpackLow(transpose10.AsInt64(), transpose11.AsInt64()); + Vector128 output1 = Sse2.UnpackHigh(transpose10.AsInt64(), transpose11.AsInt64()); + Vector128 output2 = Sse2.UnpackLow(transpose12.AsInt64(), transpose13.AsInt64()); + Vector128 output3 = Sse2.UnpackHigh(transpose12.AsInt64(), transpose13.AsInt64()); + + // a00 a10 a20 a30 b00 b10 b20 b30 + // a01 a11 a21 a31 b01 b11 b21 b31 + // a02 a12 a22 a32 b02 b12 b22 b32 + // a03 a13 a23 a33 b03 b13 b23 b33 + // Horizontal pass and difference of weighted sums. + Vector128 w0 = Sse2.LoadVector128(wPtr); + Vector128 w8 = Sse2.LoadVector128(wPtr + 8); + + // Calculate a and b (two 4x4 at once). + a0 = Sse2.Add(output0.AsInt16(), output2.AsInt16()); + a1 = Sse2.Add(output1.AsInt16(), output3.AsInt16()); + a2 = Sse2.Subtract(output1.AsInt16(), output3.AsInt16()); + a3 = Sse2.Subtract(output0.AsInt16(), output2.AsInt16()); + b0 = Sse2.Add(a0, a1); + b1 = Sse2.Add(a3, a2); + b2 = Sse2.Subtract(a3, a2); + b3 = Sse2.Subtract(a0, a1); + + // Separate the transforms of inA and inB. + Vector128 ab0 = Sse2.UnpackLow(b0.AsInt64(), b1.AsInt64()); + Vector128 ab2 = Sse2.UnpackLow(b2.AsInt64(), b3.AsInt64()); + Vector128 bb0 = Sse2.UnpackHigh(b0.AsInt64(), b1.AsInt64()); + Vector128 bb2 = Sse2.UnpackHigh(b2.AsInt64(), b3.AsInt64()); + + Vector128 ab0Abs = Ssse3.Abs(ab0.AsInt16()); + Vector128 ab2Abs = Ssse3.Abs(ab2.AsInt16()); + Vector128 b0Abs = Ssse3.Abs(bb0.AsInt16()); + Vector128 bb2Abs = Ssse3.Abs(bb2.AsInt16()); + + // weighted sums. + Vector128 ab0mulw0 = Sse2.MultiplyAddAdjacent(ab0Abs.AsInt16(), w0.AsInt16()); + Vector128 ab2mulw8 = Sse2.MultiplyAddAdjacent(ab2Abs.AsInt16(), w8.AsInt16()); + Vector128 b0mulw0 = Sse2.MultiplyAddAdjacent(b0Abs.AsInt16(), w0.AsInt16()); + Vector128 bb2mulw8 = Sse2.MultiplyAddAdjacent(bb2Abs.AsInt16(), w8.AsInt16()); + Vector128 ab0ab2Sum = Sse2.Add(ab0mulw0, ab2mulw8); + Vector128 b0w0bb2w8Sum = Sse2.Add(b0mulw0, bb2mulw8); + + // difference of weighted sums. + Vector128 result = Sse2.Subtract(ab0ab2Sum.AsInt32(), b0w0bb2w8Sum.AsInt32()); + Sse2.Store(outputPtr, result.AsInt32()); + } + + return sum[3] + sum[2] + sum[1] + sum[0]; +#pragma warning restore SA1503 // Braces should not be omitted + } +#endif + public static void TransformTwo(Span src, Span dst) { TransformOne(src, dst); From d2017933d7042d3757062cfe3134206652ce7b27 Mon Sep 17 00:00:00 2001 From: Brian Popow Date: Sun, 7 Nov 2021 13:31:11 +0100 Subject: [PATCH 12/17] Add HadamardTransform sse tests --- .../Formats/WebP/LossyUtilsTests.cs | 58 +++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 tests/ImageSharp.Tests/Formats/WebP/LossyUtilsTests.cs diff --git a/tests/ImageSharp.Tests/Formats/WebP/LossyUtilsTests.cs b/tests/ImageSharp.Tests/Formats/WebP/LossyUtilsTests.cs new file mode 100644 index 0000000000..6a9a078d7c --- /dev/null +++ b/tests/ImageSharp.Tests/Formats/WebP/LossyUtilsTests.cs @@ -0,0 +1,58 @@ +// Copyright (c) Six Labors. +// Licensed under the Apache License, Version 2.0. + +using SixLabors.ImageSharp.Formats.Webp.Lossy; +using SixLabors.ImageSharp.Tests.TestUtilities; +using Xunit; + +namespace SixLabors.ImageSharp.Tests.Formats.WebP +{ + [Trait("Format", "Webp")] + public class LossyUtilsTests + { + private static void RunHadamardTransformTest() + { + byte[] a = + { + 27, 27, 28, 29, 29, 28, 27, 27, 27, 28, 28, 29, 29, 28, 28, 27, 129, 129, 129, 129, 129, 129, 129, + 129, 128, 128, 128, 128, 128, 128, 128, 128, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28, 28, 29, 29, 28, + 28, 27, 129, 129, 129, 129, 129, 129, 129, 129, 128, 128, 128, 128, 128, 128, 128, 128, 27, 27, 26, + 26, 26, 26, 27, 27, 27, 28, 28, 29, 29, 28, 28, 27, 129, 129, 129, 129, 129, 129, 129, 129, 128, + 128, 128, 128, 128, 128, 128, 128, 28, 27, 27, 26, 26, 27, 27, 28, 27, 28, 28, 29, 29, 28, 28, 27 + }; + + byte[] b = + { + 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 204, 204, 204, 204, 204, 204, 204, + 204, 204, 204, 204, 204, 204, 204, 204, 204, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 204, 28, 28, 28, + 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 204, 204, 204, 204, 204, 204, 204, 204, 204, + 204, 204, 204, 204, 204, 204, 204, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28 + }; + + ushort[] w = { 38, 32, 20, 9, 32, 28, 17, 7, 20, 17, 10, 4, 9, 7, 4, 2 }; + int expected = 2; + + int actual = LossyUtils.Vp8Disto4X4(a, b, w); + Assert.Equal(expected, actual); + } + + [Fact] + public void HadamardTransform_Works() => RunHadamardTransformTest(); + +#if SUPPORTS_RUNTIME_INTRINSICS + [Fact] + public void HadamardTransform_WithHardwareIntrinsics_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunHadamardTransformTest, HwIntrinsics.AllowAll); + + [Fact] + public void HadamardTransform_WithoutSSE2_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunHadamardTransformTest, HwIntrinsics.DisableSSE2); + + [Fact] + public void HadamardTransform_WithoutSSE41_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunHadamardTransformTest, HwIntrinsics.DisableSSE41); + + [Fact] + public void HadamardTransform_WithoutSSE2AndSSE41_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunHadamardTransformTest, HwIntrinsics.DisableSSE41 | HwIntrinsics.DisableSSE2); +#endif + + } +} From 90bab3939770a028a45e3d824dc6949fa124c492 Mon Sep 17 00:00:00 2001 From: James Jackson-South Date: Mon, 8 Nov 2021 16:56:38 +1100 Subject: [PATCH 13/17] Special case La32 and L16 --- src/ImageSharp/Color/Color.Conversions.cs | 22 ++++++++++++++++++++++ src/ImageSharp/Color/Color.cs | 8 ++++++++ 2 files changed, 30 insertions(+) diff --git a/src/ImageSharp/Color/Color.Conversions.cs b/src/ImageSharp/Color/Color.Conversions.cs index 96aa05c961..bf7869e53d 100644 --- a/src/ImageSharp/Color/Color.Conversions.cs +++ b/src/ImageSharp/Color/Color.Conversions.cs @@ -34,6 +34,28 @@ namespace SixLabors.ImageSharp this.boxedHighPrecisionPixel = null; } + /// + /// Initializes a new instance of the struct. + /// + /// The containing the color information. + [MethodImpl(InliningOptions.ShortMethod)] + public Color(La32 pixel) + { + this.data = new Rgba64(pixel.L, pixel.L, pixel.L, pixel.A); + this.boxedHighPrecisionPixel = null; + } + + /// + /// Initializes a new instance of the struct. + /// + /// The containing the color information. + [MethodImpl(InliningOptions.ShortMethod)] + public Color(L16 pixel) + { + this.data = new Rgba64(pixel.PackedValue, pixel.PackedValue, pixel.PackedValue, ushort.MaxValue); + this.boxedHighPrecisionPixel = null; + } + /// /// Initializes a new instance of the struct. /// diff --git a/src/ImageSharp/Color/Color.cs b/src/ImageSharp/Color/Color.cs index c461d034eb..7c21d62ddf 100644 --- a/src/ImageSharp/Color/Color.cs +++ b/src/ImageSharp/Color/Color.cs @@ -117,6 +117,14 @@ namespace SixLabors.ImageSharp { return new((Rgb48)(object)pixel); } + else if (typeof(TPixel) == typeof(La32)) + { + return new((La32)(object)pixel); + } + else if (typeof(TPixel) == typeof(L16)) + { + return new((L16)(object)pixel); + } else if (Unsafe.SizeOf() <= Unsafe.SizeOf()) { Rgba32 p = default; From c9fc5cdb56a21deaf78ae4eb73a6e8270c951841 Mon Sep 17 00:00:00 2001 From: Berkan Diler Date: Mon, 8 Nov 2021 18:33:24 +0100 Subject: [PATCH 14/17] Collapse AsSpan().Slice(..) calls into AsSpan(..) --- src/ImageSharp/Formats/Png/PngDecoderCore.cs | 2 +- src/ImageSharp/Formats/Webp/WebpDecoderCore.cs | 2 +- src/ImageSharp/IO/ChunkedMemoryStream.cs | 4 ++-- .../Processors/Transforms/Resize/ResizeKernelMap.cs | 2 +- 4 files changed, 5 insertions(+), 5 deletions(-) diff --git a/src/ImageSharp/Formats/Png/PngDecoderCore.cs b/src/ImageSharp/Formats/Png/PngDecoderCore.cs index 987dc150c2..cf3cd7eb14 100644 --- a/src/ImageSharp/Formats/Png/PngDecoderCore.cs +++ b/src/ImageSharp/Formats/Png/PngDecoderCore.cs @@ -1071,7 +1071,7 @@ namespace SixLabors.ImageSharp.Formats.Png int bytesRead = inflateStream.CompressedStream.Read(this.buffer, 0, this.buffer.Length); while (bytesRead != 0) { - uncompressedBytes.AddRange(this.buffer.AsSpan().Slice(0, bytesRead).ToArray()); + uncompressedBytes.AddRange(this.buffer.AsSpan(0, bytesRead).ToArray()); bytesRead = inflateStream.CompressedStream.Read(this.buffer, 0, this.buffer.Length); } diff --git a/src/ImageSharp/Formats/Webp/WebpDecoderCore.cs b/src/ImageSharp/Formats/Webp/WebpDecoderCore.cs index 44a55a4c65..09071406c5 100644 --- a/src/ImageSharp/Formats/Webp/WebpDecoderCore.cs +++ b/src/ImageSharp/Formats/Webp/WebpDecoderCore.cs @@ -306,7 +306,7 @@ namespace SixLabors.ImageSharp.Formats.Webp // Check for VP8 magic bytes. this.currentStream.Read(this.buffer, 0, 3); - if (!this.buffer.AsSpan().Slice(0, 3).SequenceEqual(WebpConstants.Vp8HeaderMagicBytes)) + if (!this.buffer.AsSpan(0, 3).SequenceEqual(WebpConstants.Vp8HeaderMagicBytes)) { WebpThrowHelper.ThrowImageFormatException("VP8 magic bytes not found"); } diff --git a/src/ImageSharp/IO/ChunkedMemoryStream.cs b/src/ImageSharp/IO/ChunkedMemoryStream.cs index b9220c56ab..e28baf879d 100644 --- a/src/ImageSharp/IO/ChunkedMemoryStream.cs +++ b/src/ImageSharp/IO/ChunkedMemoryStream.cs @@ -243,7 +243,7 @@ namespace SixLabors.ImageSharp.IO const string bufferMessage = "Offset subtracted from the buffer length is less than count."; Guard.IsFalse(buffer.Length - offset < count, nameof(buffer), bufferMessage); - return this.ReadImpl(buffer.AsSpan().Slice(offset, count)); + return this.ReadImpl(buffer.AsSpan(offset, count)); } #if SUPPORTS_SPAN_STREAM @@ -359,7 +359,7 @@ namespace SixLabors.ImageSharp.IO const string bufferMessage = "Offset subtracted from the buffer length is less than count."; Guard.IsFalse(buffer.Length - offset < count, nameof(buffer), bufferMessage); - this.WriteImpl(buffer.AsSpan().Slice(offset, count)); + this.WriteImpl(buffer.AsSpan(offset, count)); } #if SUPPORTS_SPAN_STREAM diff --git a/src/ImageSharp/Processing/Processors/Transforms/Resize/ResizeKernelMap.cs b/src/ImageSharp/Processing/Processors/Transforms/Resize/ResizeKernelMap.cs index a58c20f687..9cc4680602 100644 --- a/src/ImageSharp/Processing/Processors/Transforms/Resize/ResizeKernelMap.cs +++ b/src/ImageSharp/Processing/Processors/Transforms/Resize/ResizeKernelMap.cs @@ -216,7 +216,7 @@ namespace SixLabors.ImageSharp.Processing.Processors.Transforms ResizeKernel kernel = this.CreateKernel(dataRowIndex, left, right); - Span kernelValues = this.tempValues.AsSpan().Slice(0, kernel.Length); + Span kernelValues = this.tempValues.AsSpan(0, kernel.Length); double sum = 0; for (int j = left; j <= right; j++) From 670e2eeafc14b7c16757f1b909eb552a9e61b1ca Mon Sep 17 00:00:00 2001 From: James Jackson-South Date: Tue, 9 Nov 2021 11:43:19 +1100 Subject: [PATCH 15/17] Update ColorTests.CastTo.cs --- .../ImageSharp.Tests/Color/ColorTests.CastTo.cs | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/tests/ImageSharp.Tests/Color/ColorTests.CastTo.cs b/tests/ImageSharp.Tests/Color/ColorTests.CastTo.cs index af35d1f895..3003265ca6 100644 --- a/tests/ImageSharp.Tests/Color/ColorTests.CastTo.cs +++ b/tests/ImageSharp.Tests/Color/ColorTests.CastTo.cs @@ -90,16 +90,25 @@ namespace SixLabors.ImageSharp.Tests } [Fact] - public void TPixel() + public void GenericPixel() { - var source = new RgbaVector(float.Epsilon, 2 * float.Epsilon, float.MaxValue, float.MinValue); + AssertGenericPixel(new RgbaVector(float.Epsilon, 2 * float.Epsilon, float.MaxValue, float.MinValue)); + AssertGenericPixel(new Rgba64(1, 2, ushort.MaxValue, ushort.MaxValue - 1)); + AssertGenericPixel(new Rgb48(1, 2, ushort.MaxValue - 1)); + AssertGenericPixel(new La32(1, ushort.MaxValue - 1)); + AssertGenericPixel(new L16(ushort.MaxValue - 1)); + AssertGenericPixel(new Rgba32(1, 2, 255, 254)); + } + private static void AssertGenericPixel(TPixel source) + where TPixel : unmanaged, IPixel + { // Act: var color = Color.FromPixel(source); // Assert: - RgbaVector data = color.ToPixel(); - Assert.Equal(source, data); + TPixel actual = color.ToPixel(); + Assert.Equal(source, actual); } } } From 6e135cbd79f391f56ee69df0da2b8be505631491 Mon Sep 17 00:00:00 2001 From: Brian Popow Date: Tue, 9 Nov 2021 12:38:41 +0100 Subject: [PATCH 16/17] Avoid pinning --- .../Formats/Webp/Lossy/LossyUtils.cs | 219 +++++++++--------- 1 file changed, 107 insertions(+), 112 deletions(-) diff --git a/src/ImageSharp/Formats/Webp/Lossy/LossyUtils.cs b/src/ImageSharp/Formats/Webp/Lossy/LossyUtils.cs index b8f232a43b..ee224e0b0b 100644 --- a/src/ImageSharp/Formats/Webp/Lossy/LossyUtils.cs +++ b/src/ImageSharp/Formats/Webp/Lossy/LossyUtils.cs @@ -4,6 +4,7 @@ using System; using System.Buffers.Binary; using System.Runtime.CompilerServices; +using System.Runtime.InteropServices; #if SUPPORTS_RUNTIME_INTRINSICS using System.Runtime.Intrinsics; using System.Runtime.Intrinsics.X86; @@ -614,120 +615,114 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossy { Span sum = scratch.Slice(0, 4); sum.Clear(); -#pragma warning disable SA1503 // Braces should not be omitted - fixed (byte* inputAPtr = inputA) - fixed (byte* inputBPtr = inputB) - fixed (ushort* wPtr = w) - fixed (int* outputPtr = sum) - { - // Load and combine inputs. - Vector128 ina0 = Sse2.LoadVector128(inputAPtr); - Vector128 ina1 = Sse2.LoadVector128(inputAPtr + (WebpConstants.Bps * 1)); - Vector128 ina2 = Sse2.LoadVector128(inputAPtr + (WebpConstants.Bps * 2)); - Vector128 ina3 = Sse2.LoadVector128((long*)(inputAPtr + (WebpConstants.Bps * 3))); - Vector128 inb0 = Sse2.LoadVector128(inputBPtr); - Vector128 inb1 = Sse2.LoadVector128(inputBPtr + (WebpConstants.Bps * 1)); - Vector128 inb2 = Sse2.LoadVector128(inputBPtr + (WebpConstants.Bps * 2)); - Vector128 inb3 = Sse2.LoadVector128((long*)(inputBPtr + (WebpConstants.Bps * 3))); - - // Combine inA and inB (we'll do two transforms in parallel). - Vector128 inab0 = Sse2.UnpackLow(ina0.AsInt32(), inb0.AsInt32()); - Vector128 inab1 = Sse2.UnpackLow(ina1.AsInt32(), inb1.AsInt32()); - Vector128 inab2 = Sse2.UnpackLow(ina2.AsInt32(), inb2.AsInt32()); - Vector128 inab3 = Sse2.UnpackLow(ina3.AsInt32(), inb3.AsInt32()); - Vector128 tmp0 = Sse41.ConvertToVector128Int16(inab0.AsByte()); - Vector128 tmp1 = Sse41.ConvertToVector128Int16(inab1.AsByte()); - Vector128 tmp2 = Sse41.ConvertToVector128Int16(inab2.AsByte()); - Vector128 tmp3 = Sse41.ConvertToVector128Int16(inab3.AsByte()); - - // a00 a01 a02 a03 b00 b01 b02 b03 - // a10 a11 a12 a13 b10 b11 b12 b13 - // a20 a21 a22 a23 b20 b21 b22 b23 - // a30 a31 a32 a33 b30 b31 b32 b33 - // Vertical pass first to avoid a transpose (vertical and horizontal passes - // are commutative because w/kWeightY is symmetric) and subsequent transpose. - // Calculate a and b (two 4x4 at once). - Vector128 a0 = Sse2.Add(tmp0, tmp2); - Vector128 a1 = Sse2.Add(tmp1, tmp3); - Vector128 a2 = Sse2.Subtract(tmp1, tmp3); - Vector128 a3 = Sse2.Subtract(tmp0, tmp2); - Vector128 b0 = Sse2.Add(a0, a1); - Vector128 b1 = Sse2.Add(a3, a2); - Vector128 b2 = Sse2.Subtract(a3, a2); - Vector128 b3 = Sse2.Subtract(a0, a1); - - // a00 a01 a02 a03 b00 b01 b02 b03 - // a10 a11 a12 a13 b10 b11 b12 b13 - // a20 a21 a22 a23 b20 b21 b22 b23 - // a30 a31 a32 a33 b30 b31 b32 b33 - // Transpose the two 4x4. - Vector128 transpose00 = Sse2.UnpackLow(b0, b1); - Vector128 transpose01 = Sse2.UnpackLow(b2, b3); - Vector128 transpose02 = Sse2.UnpackHigh(b0, b1); - Vector128 transpose03 = Sse2.UnpackHigh(b2, b3); - - // a00 a10 a01 a11 a02 a12 a03 a13 - // a20 a30 a21 a31 a22 a32 a23 a33 - // b00 b10 b01 b11 b02 b12 b03 b13 - // b20 b30 b21 b31 b22 b32 b23 b33 - Vector128 transpose10 = Sse2.UnpackLow(transpose00.AsInt32(), transpose01.AsInt32()); - Vector128 transpose11 = Sse2.UnpackLow(transpose02.AsInt32(), transpose03.AsInt32()); - Vector128 transpose12 = Sse2.UnpackHigh(transpose00.AsInt32(), transpose01.AsInt32()); - Vector128 transpose13 = Sse2.UnpackHigh(transpose02.AsInt32(), transpose03.AsInt32()); - - // a00 a10 a20 a30 a01 a11 a21 a31 - // b00 b10 b20 b30 b01 b11 b21 b31 - // a02 a12 a22 a32 a03 a13 a23 a33 - // b02 b12 a22 b32 b03 b13 b23 b33 - Vector128 output0 = Sse2.UnpackLow(transpose10.AsInt64(), transpose11.AsInt64()); - Vector128 output1 = Sse2.UnpackHigh(transpose10.AsInt64(), transpose11.AsInt64()); - Vector128 output2 = Sse2.UnpackLow(transpose12.AsInt64(), transpose13.AsInt64()); - Vector128 output3 = Sse2.UnpackHigh(transpose12.AsInt64(), transpose13.AsInt64()); - - // a00 a10 a20 a30 b00 b10 b20 b30 - // a01 a11 a21 a31 b01 b11 b21 b31 - // a02 a12 a22 a32 b02 b12 b22 b32 - // a03 a13 a23 a33 b03 b13 b23 b33 - // Horizontal pass and difference of weighted sums. - Vector128 w0 = Sse2.LoadVector128(wPtr); - Vector128 w8 = Sse2.LoadVector128(wPtr + 8); - - // Calculate a and b (two 4x4 at once). - a0 = Sse2.Add(output0.AsInt16(), output2.AsInt16()); - a1 = Sse2.Add(output1.AsInt16(), output3.AsInt16()); - a2 = Sse2.Subtract(output1.AsInt16(), output3.AsInt16()); - a3 = Sse2.Subtract(output0.AsInt16(), output2.AsInt16()); - b0 = Sse2.Add(a0, a1); - b1 = Sse2.Add(a3, a2); - b2 = Sse2.Subtract(a3, a2); - b3 = Sse2.Subtract(a0, a1); - - // Separate the transforms of inA and inB. - Vector128 ab0 = Sse2.UnpackLow(b0.AsInt64(), b1.AsInt64()); - Vector128 ab2 = Sse2.UnpackLow(b2.AsInt64(), b3.AsInt64()); - Vector128 bb0 = Sse2.UnpackHigh(b0.AsInt64(), b1.AsInt64()); - Vector128 bb2 = Sse2.UnpackHigh(b2.AsInt64(), b3.AsInt64()); - - Vector128 ab0Abs = Ssse3.Abs(ab0.AsInt16()); - Vector128 ab2Abs = Ssse3.Abs(ab2.AsInt16()); - Vector128 b0Abs = Ssse3.Abs(bb0.AsInt16()); - Vector128 bb2Abs = Ssse3.Abs(bb2.AsInt16()); - - // weighted sums. - Vector128 ab0mulw0 = Sse2.MultiplyAddAdjacent(ab0Abs.AsInt16(), w0.AsInt16()); - Vector128 ab2mulw8 = Sse2.MultiplyAddAdjacent(ab2Abs.AsInt16(), w8.AsInt16()); - Vector128 b0mulw0 = Sse2.MultiplyAddAdjacent(b0Abs.AsInt16(), w0.AsInt16()); - Vector128 bb2mulw8 = Sse2.MultiplyAddAdjacent(bb2Abs.AsInt16(), w8.AsInt16()); - Vector128 ab0ab2Sum = Sse2.Add(ab0mulw0, ab2mulw8); - Vector128 b0w0bb2w8Sum = Sse2.Add(b0mulw0, bb2mulw8); - - // difference of weighted sums. - Vector128 result = Sse2.Subtract(ab0ab2Sum.AsInt32(), b0w0bb2w8Sum.AsInt32()); - Sse2.Store(outputPtr, result.AsInt32()); - } + // Load and combine inputs. + Vector128 ina0 = Unsafe.As>(ref MemoryMarshal.GetReference(inputA)); + Vector128 ina1 = Unsafe.As>(ref MemoryMarshal.GetReference(inputA.Slice(WebpConstants.Bps, 16))); + Vector128 ina2 = Unsafe.As>(ref MemoryMarshal.GetReference(inputA.Slice(WebpConstants.Bps * 2, 16))); + Vector128 ina3 = Unsafe.As>(ref MemoryMarshal.GetReference(inputA.Slice(WebpConstants.Bps * 3, 16))).AsInt64(); + Vector128 inb0 = Unsafe.As>(ref MemoryMarshal.GetReference(inputB)); + Vector128 inb1 = Unsafe.As>(ref MemoryMarshal.GetReference(inputB.Slice(WebpConstants.Bps, 16))); + Vector128 inb2 = Unsafe.As>(ref MemoryMarshal.GetReference(inputB.Slice(WebpConstants.Bps * 2, 16))); + Vector128 inb3 = Unsafe.As>(ref MemoryMarshal.GetReference(inputB.Slice(WebpConstants.Bps * 3, 16))).AsInt64(); + + // Combine inA and inB (we'll do two transforms in parallel). + Vector128 inab0 = Sse2.UnpackLow(ina0.AsInt32(), inb0.AsInt32()); + Vector128 inab1 = Sse2.UnpackLow(ina1.AsInt32(), inb1.AsInt32()); + Vector128 inab2 = Sse2.UnpackLow(ina2.AsInt32(), inb2.AsInt32()); + Vector128 inab3 = Sse2.UnpackLow(ina3.AsInt32(), inb3.AsInt32()); + Vector128 tmp0 = Sse41.ConvertToVector128Int16(inab0.AsByte()); + Vector128 tmp1 = Sse41.ConvertToVector128Int16(inab1.AsByte()); + Vector128 tmp2 = Sse41.ConvertToVector128Int16(inab2.AsByte()); + Vector128 tmp3 = Sse41.ConvertToVector128Int16(inab3.AsByte()); + + // a00 a01 a02 a03 b00 b01 b02 b03 + // a10 a11 a12 a13 b10 b11 b12 b13 + // a20 a21 a22 a23 b20 b21 b22 b23 + // a30 a31 a32 a33 b30 b31 b32 b33 + // Vertical pass first to avoid a transpose (vertical and horizontal passes + // are commutative because w/kWeightY is symmetric) and subsequent transpose. + // Calculate a and b (two 4x4 at once). + Vector128 a0 = Sse2.Add(tmp0, tmp2); + Vector128 a1 = Sse2.Add(tmp1, tmp3); + Vector128 a2 = Sse2.Subtract(tmp1, tmp3); + Vector128 a3 = Sse2.Subtract(tmp0, tmp2); + Vector128 b0 = Sse2.Add(a0, a1); + Vector128 b1 = Sse2.Add(a3, a2); + Vector128 b2 = Sse2.Subtract(a3, a2); + Vector128 b3 = Sse2.Subtract(a0, a1); + + // a00 a01 a02 a03 b00 b01 b02 b03 + // a10 a11 a12 a13 b10 b11 b12 b13 + // a20 a21 a22 a23 b20 b21 b22 b23 + // a30 a31 a32 a33 b30 b31 b32 b33 + // Transpose the two 4x4. + Vector128 transpose00 = Sse2.UnpackLow(b0, b1); + Vector128 transpose01 = Sse2.UnpackLow(b2, b3); + Vector128 transpose02 = Sse2.UnpackHigh(b0, b1); + Vector128 transpose03 = Sse2.UnpackHigh(b2, b3); + + // a00 a10 a01 a11 a02 a12 a03 a13 + // a20 a30 a21 a31 a22 a32 a23 a33 + // b00 b10 b01 b11 b02 b12 b03 b13 + // b20 b30 b21 b31 b22 b32 b23 b33 + Vector128 transpose10 = Sse2.UnpackLow(transpose00.AsInt32(), transpose01.AsInt32()); + Vector128 transpose11 = Sse2.UnpackLow(transpose02.AsInt32(), transpose03.AsInt32()); + Vector128 transpose12 = Sse2.UnpackHigh(transpose00.AsInt32(), transpose01.AsInt32()); + Vector128 transpose13 = Sse2.UnpackHigh(transpose02.AsInt32(), transpose03.AsInt32()); + + // a00 a10 a20 a30 a01 a11 a21 a31 + // b00 b10 b20 b30 b01 b11 b21 b31 + // a02 a12 a22 a32 a03 a13 a23 a33 + // b02 b12 a22 b32 b03 b13 b23 b33 + Vector128 output0 = Sse2.UnpackLow(transpose10.AsInt64(), transpose11.AsInt64()); + Vector128 output1 = Sse2.UnpackHigh(transpose10.AsInt64(), transpose11.AsInt64()); + Vector128 output2 = Sse2.UnpackLow(transpose12.AsInt64(), transpose13.AsInt64()); + Vector128 output3 = Sse2.UnpackHigh(transpose12.AsInt64(), transpose13.AsInt64()); + + // a00 a10 a20 a30 b00 b10 b20 b30 + // a01 a11 a21 a31 b01 b11 b21 b31 + // a02 a12 a22 a32 b02 b12 b22 b32 + // a03 a13 a23 a33 b03 b13 b23 b33 + // Horizontal pass and difference of weighted sums. + Vector128 w0 = Unsafe.As>(ref MemoryMarshal.GetReference(w)); + Vector128 w8 = Unsafe.As>(ref MemoryMarshal.GetReference(w.Slice(8, 8))); + + // Calculate a and b (two 4x4 at once). + a0 = Sse2.Add(output0.AsInt16(), output2.AsInt16()); + a1 = Sse2.Add(output1.AsInt16(), output3.AsInt16()); + a2 = Sse2.Subtract(output1.AsInt16(), output3.AsInt16()); + a3 = Sse2.Subtract(output0.AsInt16(), output2.AsInt16()); + b0 = Sse2.Add(a0, a1); + b1 = Sse2.Add(a3, a2); + b2 = Sse2.Subtract(a3, a2); + b3 = Sse2.Subtract(a0, a1); + + // Separate the transforms of inA and inB. + Vector128 ab0 = Sse2.UnpackLow(b0.AsInt64(), b1.AsInt64()); + Vector128 ab2 = Sse2.UnpackLow(b2.AsInt64(), b3.AsInt64()); + Vector128 bb0 = Sse2.UnpackHigh(b0.AsInt64(), b1.AsInt64()); + Vector128 bb2 = Sse2.UnpackHigh(b2.AsInt64(), b3.AsInt64()); + + Vector128 ab0Abs = Ssse3.Abs(ab0.AsInt16()); + Vector128 ab2Abs = Ssse3.Abs(ab2.AsInt16()); + Vector128 b0Abs = Ssse3.Abs(bb0.AsInt16()); + Vector128 bb2Abs = Ssse3.Abs(bb2.AsInt16()); + + // weighted sums. + Vector128 ab0mulw0 = Sse2.MultiplyAddAdjacent(ab0Abs.AsInt16(), w0.AsInt16()); + Vector128 ab2mulw8 = Sse2.MultiplyAddAdjacent(ab2Abs.AsInt16(), w8.AsInt16()); + Vector128 b0mulw0 = Sse2.MultiplyAddAdjacent(b0Abs.AsInt16(), w0.AsInt16()); + Vector128 bb2mulw8 = Sse2.MultiplyAddAdjacent(bb2Abs.AsInt16(), w8.AsInt16()); + Vector128 ab0ab2Sum = Sse2.Add(ab0mulw0, ab2mulw8); + Vector128 b0w0bb2w8Sum = Sse2.Add(b0mulw0, bb2mulw8); + + // difference of weighted sums. + Vector128 result = Sse2.Subtract(ab0ab2Sum.AsInt32(), b0w0bb2w8Sum.AsInt32()); + + ref int outputRef = ref MemoryMarshal.GetReference(sum); + Unsafe.As>(ref outputRef) = result.AsInt32(); return sum[3] + sum[2] + sum[1] + sum[0]; -#pragma warning restore SA1503 // Braces should not be omitted } #endif From d6d1868343831184d94482895e5f4d3837e643cf Mon Sep 17 00:00:00 2001 From: Brian Popow Date: Tue, 9 Nov 2021 12:40:27 +0100 Subject: [PATCH 17/17] Test Hadamard transform only with and without HardwareIntrinsics --- tests/ImageSharp.Tests/Formats/WebP/LossyUtilsTests.cs | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/tests/ImageSharp.Tests/Formats/WebP/LossyUtilsTests.cs b/tests/ImageSharp.Tests/Formats/WebP/LossyUtilsTests.cs index 349a0c8fca..f8b488fde5 100644 --- a/tests/ImageSharp.Tests/Formats/WebP/LossyUtilsTests.cs +++ b/tests/ImageSharp.Tests/Formats/WebP/LossyUtilsTests.cs @@ -45,13 +45,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.WebP public void HadamardTransform_WithHardwareIntrinsics_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunHadamardTransformTest, HwIntrinsics.AllowAll); [Fact] - public void HadamardTransform_WithoutSSE2_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunHadamardTransformTest, HwIntrinsics.DisableSSE2); - - [Fact] - public void HadamardTransform_WithoutSSE41_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunHadamardTransformTest, HwIntrinsics.DisableSSE41); - - [Fact] - public void HadamardTransform_WithoutSSE2AndSSE41_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunHadamardTransformTest, HwIntrinsics.DisableSSE41 | HwIntrinsics.DisableSSE2); + public void HadamardTransform_WithoutHardwareIntrinsics_Works() => FeatureTestRunner.RunWithHwIntrinsicsFeature(RunHadamardTransformTest, HwIntrinsics.DisableHWIntrinsic); #endif }