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Nick C.

debugging extremely slow after CreateSwapChain

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Hello everyone

Everything was going well with the project I'm working on, until suddenly it's almost impossible to debug my code.

I can step over all my instructions in Visual Studio just fine, until I try to create a swap chain. From then on, I can barely move my mouse (5+ seconds to see change), and everything in visual studio takes  a very long time. Stepping over instructions then take up to 5 seconds and almost 20 seconds to stop debugging (shift + F5). All other programs running on my computer have no problems though.

I've used this code for over two years now, and never had any problems.

At this point, it's just impossible to continue my work if I can't solve this problem. Any help would be greatly appreciated.

Edit: I also notice calling std::exit(0) takes longer than usual.

Code (in case it matters):

bool D3DApp::InitD3D()
	UINT createDeviceFlags = 0;
#if defined(DEBUG) || defined(_DEBUG)  
	createDeviceFlags |= D3D11_CREATE_DEVICE_DEBUG;

	D3D_FEATURE_LEVEL featureLevel;
		0,                 // default adapter
		0,                 // no software device
		0, 0,              // default feature level array
		&D3D->md3dImmediateContext), "D3D11CreateDevice failed.");

	if (featureLevel != D3D_FEATURE_LEVEL_11_0)
		MessageBox(0, "Direct3D Feature Level 11 unsupported.", 0, 0);
		return false;

		DXGI_FORMAT_R8G8B8A8_UNORM, 4, &D3D->m4xMsaaQuality), "Multisample quality level not supported by device.");

	sd.BufferDesc.Width = WINDOW->mClientWidth;
	sd.BufferDesc.Height = WINDOW->mClientHeight;
	sd.BufferDesc.RefreshRate.Numerator = 60;
	sd.BufferDesc.RefreshRate.Denominator = 1;
	sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;

	if (D3D->mEnable4xMsaa)
		sd.SampleDesc.Count = 4;
		sd.SampleDesc.Quality = D3D->m4xMsaaQuality - 1;
		sd.SampleDesc.Count = 1;
		sd.SampleDesc.Quality = 0;

	sd.BufferCount = 1;
	sd.OutputWindow = mhMainWnd;
	sd.Windowed = true;
	sd.Flags = 0;

	IDXGIDevice* dxgiDevice = 0;
	HR(D3D->md3dDevice->QueryInterface(__uuidof(IDXGIDevice), (void**)&dxgiDevice), "D3D::md3dDevice->QueryInterface failed.");
	IDXGIAdapter* dxgiAdapter = 0;
	HR(dxgiDevice->GetParent(__uuidof(IDXGIAdapter), (void**)&dxgiAdapter), "dxgiDevice->GetParent failed.");
	IDXGIFactory* dxgiFactory = 0;
	HR(dxgiAdapter->GetParent(__uuidof(IDXGIFactory), (void**)&dxgiFactory), "dxgiDevice->GetParent failed.");
	HR(dxgiFactory->CreateSwapChain(D3D->md3dDevice, &sd, &D3D->mSwapChain), "dxgiFactory->CreateSwapChain failed.");



	return true;
Edited by Nick C.

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I have solved my problem by updating my graphics driver. That was dumb of me, should've been my first thought.
This topic can be closed if needed.

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