GraphicsHelpers.cs

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using System;
using System.Diagnostics.CodeAnalysis;
 
namespace Microsoft.Xna.Framework.Graphics;
 
internal static class GraphicsHelpers
{
    public static void ThrowExceptionFromResult(uint result)
    {
        if (result == 0)
        {
            return;
        }
        throw GetExceptionFromResult(result);
    }
 
    [SuppressMessage("Microsoft.Maintainability", "CA1502:AvoidExcessiveComplexity")]
    [SuppressMessage("Microsoft.Usage", "CA2208:InstantiateArgumentExceptionsCorrectly")]
    [SuppressMessage("Microsoft.Usage", "CA2201:DoNotRaiseReservedExceptionTypes")]
    public static Exception GetExceptionFromResult(uint result)
    {
        if (result == 0)
        {
            return null;
        }
        return result switch
        {
            2289436711u => new InvalidOperationException(FrameworkResources.DriverError), 
            2289436776u => new DeviceLostException(), 
            2289436777u => new DeviceNotResetException(), 
            2289436784u => new NotSupportedException(), 
            2289435004u => new OutOfMemoryException(), 
            2150814720u => new InvalidOperationException(FrameworkResources.DirectRenderingWrongMode), 
            _ => Helpers.GetExceptionFromResult(result), 
        };
    }
 
    internal static Blend AdjustAlphaBlend(Blend blend)
    {
        return blend switch
        {
            Blend.SourceColor => Blend.SourceAlpha, 
            Blend.InverseSourceColor => Blend.InverseSourceAlpha, 
            Blend.DestinationColor => Blend.DestinationAlpha, 
            Blend.InverseDestinationColor => Blend.InverseDestinationAlpha, 
            _ => blend, 
        };
    }
 
    internal static bool IsSeparateBlend(Blend colorBlend, Blend alphaBlend)
    {
        return AdjustAlphaBlend(colorBlend) != AdjustAlphaBlend(alphaBlend);
    }
}