BlendFunction.cs

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// Copyright (c) 2014 Silicon Studio Corp. (http://siliconstudio.co.jp)
// This file is distributed under GPL v3. See LICENSE.md for details.
using SiliconStudio.Core;

namespace SiliconStudio.Paradox.Graphics
{
    /// <summary>   
    /// RGB or alpha blending operation.    
    /// </summary>  
    /// <remarks>   
    /// The runtime implements RGB blending and alpha blending separately. Therefore, blend state requires separate blend operations for RGB data and alpha data. These blend operations are specified in a <see cref="BlendState"/>.
    /// </remarks>
    [DataContract]
    public enum BlendFunction
    {
        /// <summary>   
        /// Add source 1 and source 2.  
        /// </summary>  
        Add = 1,

        /// <summary>   
        /// Subtract source 1 from source 2.    
        /// </summary>  
        Subtract = 2,

        /// <summary>   
        /// Subtract source 2 from source 1.    
        /// </summary>  
        ReverseSubtract = 3,

        /// <summary>   
        /// Find the minimum of source 1 and source 2.  
        /// </summary>  
        Min = 4,

        /// <summary>   
        /// Find the maximum of source 1 and source 2.  
        /// </summary>  
        Max = 5,
    }
}