IDirect3DDevice9 :: GetFrontBufferData失败,出现分段错误

我创build了一个非常简单的DirectX程序来捕获屏幕。 它在我的机器上运行良好,但是在另一台机器上出现了分段错误(SIGSEV),在下面的行中失败了:

g_pd3dDevice->GetFrontBufferData(0, g_pSurface); 

以下函数用于初始化DirectX:

 HRESULT InitD3D(HWND hWnd) { D3DDISPLAYMODE ddm; D3DPRESENT_PARAMETERS d3dpp; if((g_pD3D=Direct3DCreate9(D3D_SDK_VERSION))==NULL) { ErrorMessage("Unable to Create Direct3D "); return E_FAIL; } if(FAILED(g_pD3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT,&ddm))) { ErrorMessage("Unable to Get Adapter Display Mode"); return E_FAIL; } ZeroMemory(&d3dpp,sizeof(D3DPRESENT_PARAMETERS)); d3dpp.Windowed=WINDOW_MODE; d3dpp.Flags=D3DPRESENTFLAG_LOCKABLE_BACKBUFFER; d3dpp.BackBufferFormat=ddm.Format; d3dpp.BackBufferHeight=nDisplayHeight=gScreenRect.bottom =ddm.Height; d3dpp.BackBufferWidth=nDisplayWidth=gScreenRect.right =ddm.Width; d3dpp.MultiSampleType=D3DMULTISAMPLE_NONE; d3dpp.SwapEffect=D3DSWAPEFFECT_DISCARD; d3dpp.hDeviceWindow=hWnd; d3dpp.PresentationInterval=D3DPRESENT_INTERVAL_DEFAULT; d3dpp.FullScreen_RefreshRateInHz=D3DPRESENT_RATE_DEFAULT; if(FAILED(g_pD3D->CreateDevice(D3DADAPTER_DEFAULT,D3DDEVTYPE_REF,hWnd,D3DCREATE_SOFTWARE_VERTEXPROCESSING ,&d3dpp,&g_pd3dDevice))) { ErrorMessage("Unable to Create Device"); return E_FAIL; } if(FAILED(g_pd3dDevice->CreateOffscreenPlainSurface(ddm.Width, ddm.Height, D3DFMT_A8R8G8B8, D3DPOOL_SYSTEMMEM, &g_pSurface, NULL))) { ErrorMessage("Unable to Create Surface"); return E_FAIL; } return S_OK; } 

任何想法为什么这会抛出分段错误?

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