在一台软件中的一台计算机上执行AlphaBlend失败

using SharpDX;
using SharpDX.Direct3D11;
using SharpDX.DXGI;
using System;

public class AlphaBlendExample
{
    private Device device;
    private SwapChain swapChain;
    private RenderTargetView renderTargetView;

    public void Initialize()
    {
        // 初始化DirectX设备和交换链
        var desc = new SwapChainDescription
        {
            BufferCount = 1,
            ModeDescription = new ModeDescription(800, 600, new Rational(60, 1), Format.R8G8B8A8_UNorm),
            IsWindowed = true,
            OutputHandle = new IntPtr(0),
            SampleDescription = new SampleDescription(1, 0),
            SwapEffect = SwapEffect.Discard,
            Usage = Usage.RenderTargetOutput
        };

        Device.CreateWithSwapChain(DriverType.Hardware, DeviceCreationFlags.None, desc, out device, out swapChain);

        // 创建渲染目标视图
        using (var backBuffer = Texture2D.FromSwapChain<Texture2D>(swapChain, 0))
        {
            renderTargetView = new RenderTargetView(device, backBuffer);
        }
    }

    public void Render()
    {
        // 设置渲染目标
        device.ImmediateContext.OutputMerger.SetRenderTargets(renderTargetView);

        // 清除渲染目标
        device.ImmediateContext.ClearRenderTargetView(renderTargetView, Color.CornflowerBlue);

        // 执行AlphaBlend操作
        // 这里假设已经加载了源图像和目标图像的纹理
        var sourceTexture = LoadTexture("source.png");
        var destinationTexture = LoadTexture("destination.png");

        // 设置AlphaBlend状态
        var blendStateDesc = new BlendStateDescription
        {
            AlphaToCoverageEnable = false,
            IndependentBlendEnable = false,
            RenderTarget = new RenderTargetBlendDescription[]
            {
                new RenderTargetBlendDescription
                {
                    BlendEnable = true,
                    SourceBlend = Blend.SourceAlpha,
                    DestinationBlend = Blend.InvSourceAlpha,
                    BlendOperation = BlendOperation.Add,
                    SourceAlphaBlend = Blend.One,
                    DestinationAlphaBlend = Blend.Zero,
                    RenderTargetWriteMask = ColorWriteMaskFlags.All
                }
            }
        };

        var blendState = new BlendState(device, blendStateDesc);
        device.ImmediateContext.OutputMerger.SetBlendState(blendState, new Color4(0, 0, 0, 0), -1);

        // 绘制图像
        device.ImmediateContext.Draw(4, 0);

        // 呈现渲染结果
        swapChain.Present(1, PresentFlags.None);
    }

    private Texture2D LoadTexture(string filename)
    {
        // 加载纹理的代码
        // 这里省略具体实现
        return new Texture2D();
    }
}