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#region License
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/* FNA - XNA4 Reimplementation for Desktop Platforms
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* Copyright 2009-2020 Ethan Lee and the MonoGame Team
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*
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* Released under the Microsoft Public License.
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* See LICENSE for details.
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*/
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#endregion
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namespace Microsoft.Xna.Framework.Graphics
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{
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/// <summary>
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/// Defines a blend mode.
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/// </summary>
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public enum Blend
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{
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/// <summary>
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/// Each component of the color is multiplied by {1, 1, 1, 1}.
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/// </summary>
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One,
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/// <summary>
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/// Each component of the color is multiplied by {0, 0, 0, 0}.
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/// </summary>
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Zero,
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/// <summary>
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/// Each component of the color is multiplied by the source color.
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/// {Rs, Gs, Bs, As}, where Rs, Gs, Bs, As are color source values.
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/// </summary>
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SourceColor,
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/// <summary>
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/// Each component of the color is multiplied by the inverse of the source color.
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/// {1 - Rs, 1 - Gs, 1 - Bs, 1 - As}, where Rs, Gs, Bs, As are color source values.
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/// </summary>
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InverseSourceColor,
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/// <summary>
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/// Each component of the color is multiplied by the alpha value of the source.
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/// {As, As, As, As}, where As is the source alpha value.
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/// </summary>
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SourceAlpha,
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/// <summary>
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/// Each component of the color is multiplied by the inverse of the alpha value of the source.
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/// {1 - As, 1 - As, 1 - As, 1 - As}, where As is the source alpha value.
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/// </summary>
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InverseSourceAlpha,
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/// <summary>
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/// Each component color is multiplied by the destination color.
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/// {Rd, Gd, Bd, Ad}, where Rd, Gd, Bd, Ad are color destination values.
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/// </summary>
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DestinationColor,
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/// <summary>
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/// Each component of the color is multiplied by the inversed destination color.
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/// {1 - Rd, 1 - Gd, 1 - Bd, 1 - Ad}, where Rd, Gd, Bd, Ad are color destination values.
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/// </summary>
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InverseDestinationColor,
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/// <summary>
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/// Each component of the color is multiplied by the alpha value of the destination.
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/// {Ad, Ad, Ad, Ad}, where Ad is the destination alpha value.
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/// </summary>
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DestinationAlpha,
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/// <summary>
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/// Each component of the color is multiplied by the inversed alpha value of the destination.
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/// {1 - Ad, 1 - Ad, 1 - Ad, 1 - Ad}, where Ad is the destination alpha value.
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/// </summary>
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InverseDestinationAlpha,
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/// <summary>
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/// Each component of the color is multiplied by a constant in the <see cref="GraphicsDevice.BlendFactor"/>.
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/// </summary>
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BlendFactor,
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/// <summary>
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/// Each component of the color is multiplied by a inversed constant in the <see cref="GraphicsDevice.BlendFactor"/>.
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/// </summary>
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InverseBlendFactor,
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/// <summary>
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/// Each component of the color is multiplied by either the alpha of the source color, or the inverse of the alpha of the source color, whichever is greater.
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/// {f, f, f, 1}, where f = min(As, 1 - As), where As is the source alpha value.
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/// </summary>
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SourceAlphaSaturation,
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}
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}
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