您需要为每个窗口创建一个 SwapChain 和 RenderTargetView。
1 如果您通过 CreateDeviceAndSwapChain 创建设备,则需要先获取 IDXGIFactory
IDXGIDevice * device;
d3ddevice->QueryInterface(__uuidof(IDXGIDevice), (void**)&device);
IDXGIAdapter * adapter;
device->GetParent(__uuidof(IDXGIAdapter), (void**)&adapter);
IDXGIFactory * factory;
adapter->GetParent(__uuidof(DDXGIFactory), (void**)&factory);
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使用 DXGIFactory,您可以为新窗口创建额外的交换链
factory->CreateSwapChain(g_pd3dDevice, &sd, &g_pSwapChain2);
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然后创建一个渲染目标视图
ID3D11Texture2D* pBackBuffer = NULL;
hr = g_pSwapChain2->GetBuffer( 0, __uuidof( ID3D11Texture2D ), ( LPVOID* )&pBackBuffer );
if( FAILED( hr ) )
return hr;
hr = g_pd3dDevice->CreateRenderTargetView( pBackBuffer, NULL, &g_pRenderTargetView );
pBackBuffer->Release();
if( FAILED( hr ) )
return hr;
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最后只需设置渲染目标并绘制一些东西!
g_immediateContext->OMSetRenderTargets(1, &g_RenderTargetView, NULL);
....
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希望这有用。
最好的问候奎斯特:)
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