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DX11 Exception when creating a 2D render target

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A new player of my game reported an issue. When he starts the game, it immediately crashes, before he even can see the main menu. He sent me a log file of my game and it turns out that the game crashes, when my game creates a 2D render target. Here is the full "Interface not supported" error message:

HRESULT: [0x80004002], Module: [General], ApiCode: [E_NOINTERFACE/No such interface supported], Message: Schnittstelle nicht unterstützt
    bei SharpDX.Result.CheckError()
    bei SharpDX.Direct2D1.Factory.CreateDxgiSurfaceRenderTarget(Surface dxgiSurface, RenderTargetProperties& renderTargetProperties, RenderTarget renderTarget)
    bei SharpDX.Direct2D1.RenderTarget..ctor(Factory factory, Surface dxgiSurface, RenderTargetProperties properties)
    bei Game.AGame.Initialize()

Because of the log file's content, I know exactly where the game crashes:

Factory2D = new SharpDX.Direct2D1.Factory();

_surface = backBuffer.QueryInterface<SharpDX.DXGI.Surface>();

// It crashes when calling this line!
RenderTarget2D = new SharpDX.Direct2D1.RenderTarget(Factory2D, _surface, new SharpDX.Direct2D1.RenderTargetProperties(new SharpDX.Direct2D1.PixelFormat(_dxgiFormat, SharpDX.Direct2D1.AlphaMode.Premultiplied)));

RenderTarget2D.AntialiasMode = SharpDX.Direct2D1.AntialiasMode.Aliased;

I did some research on this error message and all similar problems I found were around six to seven years old, when people tried to work with DirectX 11 3D graphics and Dirext 10.1 2D graphics. However, I am using DirectX 11 for all visual stuff. The game runs very well on the computers of all other 2500 players. So I am trying to figure out, why the source code crashes on this player's computer. He used Windows 7 with all Windows Updates, 17179 MB memory and a NVIDIA GeForce GTX 870M graphics card. This is more than enough to run my game.

Below, you can see the code I use for creating the 3D device and the swap chain. I made sure to use BGRA-Support when creating the device, because it is required when using Direct2D in a 3D game in DirectX 11. The same DXGI format is used in creating 2D and 3D content. The refresh rate is read from the used adapter.

// Set swap chain flags, DXGI format and default refresh rate.
_swapChainFlags = SharpDX.DXGI.SwapChainFlags.None;
_dxgiFormat = SharpDX.DXGI.Format.B8G8R8A8_UNorm;
SharpDX.DXGI.Rational refreshRate = new SharpDX.DXGI.Rational(60, 1);

// Get proper video adapter and create device and swap chain.
using (var factory = new SharpDX.DXGI.Factory1())
{
    SharpDX.DXGI.Adapter adapter = GetAdapter(factory);
    if (adapter != null)
    {
        // Get refresh rate.
        refreshRate = GetRefreshRate(adapter, _dxgiFormat, refreshRate);

        // Create Device and SwapChain
        _device = new SharpDX.Direct3D11.Device(adapter, SharpDX.Direct3D11.DeviceCreationFlags.BgraSupport, new SharpDX.Direct3D.FeatureLevel[]
        {
            SharpDX.Direct3D.FeatureLevel.Level_10_1
        });

        _swapChain = new SharpDX.DXGI.SwapChain(factory, _device, GetSwapChainDescription(clientSize, outputHandle, refreshRate));

        _deviceContext = _device.ImmediateContext;
    }
}

 

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