DX11中怎么设置窗口大小改变时的函数？

flyingc007

1. 
   
2. HRESULT CRenderEgine::createRTV()
   
3. {
   
4.         HRESULT hr;
   
5.         ID3D11Texture2D* pBackBuffer = NULL;
   
6.         hr =pSwapChain->GetBuffer( 0, __uuidof( ID3D11Texture2D ), ( LPVOID* )&pBackBuffer );
   
7.         if( FAILED( hr ) )
   
8.                 return hr;
   
9. 
   
10.         hr = pDevice->CreateRenderTargetView( pBackBuffer, NULL, &pRTV );
    
11.         pBackBuffer->Release();
    
12.         if( FAILED( hr ) )
    
13.                 return hr;
    
14. 
    
15. }
    
16. 
    
17. 
    
18. 
    
19. HRESULT CRenderEgine::createDSV()
    
20. 
    
21. {
    
22. 
    
23.         HRESULT hr;
    
24.         ID3D11Texture2D* pBackBuffer = NULL;
    
25. 
    
26.         D3D11_TEXTURE2D_DESC descDepth;
    
27.         ZeroMemory( &descDepth, sizeof(descDepth) );
    
28.         descDepth.Width = width;
    
29.         descDepth.Height = height;
    
30.         descDepth.MipLevels = 1;
    
31.         descDepth.ArraySize = 1;
    
32.         descDepth.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
    
33.         descDepth.SampleDesc.Count = 1;
    
34.         descDepth.SampleDesc.Quality = 0;
    
35.         descDepth.Usage = D3D11_USAGE_DEFAULT;
    
36.         descDepth.BindFlags = D3D11_BIND_DEPTH_STENCIL;
    
37.         descDepth.CPUAccessFlags = 0;
    
38.         descDepth.MiscFlags = 0;
    
39.         hr = pDevice->CreateTexture2D( &descDepth, NULL, &pBackBuffer );
    
40. 
    
41.         D3D11_DEPTH_STENCIL_VIEW_DESC descDSV;
    
42.         ZeroMemory( &descDSV, sizeof(descDSV) );
    
43.         descDSV.Format = descDepth.Format;
    
44.         descDSV.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
    
45.         descDSV.Texture2D.MipSlice = 0;
    
46.         hr = pDevice->CreateDepthStencilView( pBackBuffer, &descDSV, &pDSV );
    
47.         if( FAILED(hr) )
    
48.                 return hr;
    
49. 
    
50.        
    
51. }
    
52. 
    
53. 
    
54. 
    
55. 
    
56. 
    
57. 
    
58. 
    
59. VOID CRenderEgine::reSize(UINT wid,UINT hi)
    
60. {
    
61. 
    
62. 
    
63. 
    
64.          ZeroMemory( &sd, sizeof( DXGI_SWAP_CHAIN_DESC ) );
    
65.          pSwapChain->GetDesc(&sd);
    
66. 
    
67.          width=sd.BufferDesc.Width=wid;
    
68.          height=sd.BufferDesc.Height=hi;
    
69. 
    
70.          pSwapChain->ResizeBuffers(sd.BufferCount,wid,hi,sd.BufferDesc.Format,sd.Flags);
    
71.          pSwapChain->ResizeTarget(&sd.BufferDesc);  
    
72. 
    
73.          createRTV();//创建targetView
    
74.          createDSV();//创建depthStencilView
    
75.          pImmediateContext->OMSetRenderTargets( 1, &pRTV, pDSV );
    
76.   //   setViewport(wid,hi);
    
77.          
    
78. }
    

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dx11里写了个窗口大小改变时的响应函数，这些写有什么问题吗，怎么一直都通不过