学步园

#include <d3d9.h></p> <p>#pragma comment(lib,"d3d9.lib")</p> <p>#pragma warning(disable : 4996)<br /> #include <strsafe.h><br /> #pragma warning(default : 4996)</p> <p>LPDIRECT3D9 g_pD3D = NULL;<br /> LPDIRECT3DDEVICE9 g_pd3dDevice = NULL;</p> <p>HRESULT InitD3D(HWND hWnd)<br /> {<br /> //创建D3D对象<br /> if(NULL == (g_pD3D = Direct3DCreate9(D3D_SDK_VERSION)))<br /> return E_FAIL;</p> <p> //创建D3D设备<br /> D3DPRESENT_PARAMETERS d3dpp;<br /> ZeroMemory(&d3dpp,sizeof(d3dpp));<br /> d3dpp.Windowed = TRUE;<br /> d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;<br /> d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;<br /> if(FAILED(g_pD3D->CreateDevice(D3DADAPTER_DEFAULT,D3DDEVTYPE_HAL,hWnd,D3DCREATE_SOFTWARE_VERTEXPROCESSING,&d3dpp,&g_pd3dDevice)))<br /> return E_FAIL;</p> <p> return S_OK;<br /> }</p> <p>void Cleanup()<br /> {<br /> if(NULL != g_pd3dDevice)<br /> g_pd3dDevice->Release();</p> <p> if(NULL != g_pD3D)<br /> g_pD3D->Release();<br /> }</p> <p>//渲染<br /> void Render()<br /> {<br /> if(NULL == g_pd3dDevice)<br /> return;</p> <p> g_pd3dDevice->Clear(0,NULL,D3DCLEAR_TARGET,D3DCOLOR_XRGB(255,0,0),1.0,0);</p> <p> if(SUCCEEDED(g_pd3dDevice->BeginScene()))<br /> {</p> <p> g_pd3dDevice->EndScene();<br /> }</p> <p> g_pd3dDevice->Present(NULL,NULL,NULL,NULL);<br /> }</p> <p>LRESULT CALLBACK WndProc(HWND hWnd,UINT uMsg,WPARAM wParam,LPARAM lParam)<br /> {<br /> switch(uMsg)<br /> {<br /> case WM_PAINT:<br /> Render();<br /> ValidateRect(hWnd,NULL);<br /> break;<br /> case WM_DESTROY:<br /> Cleanup();<br /> PostQuitMessage(0);<br /> break;<br /> default:<br /> break;<br /> }</p> <p> return DefWindowProc(hWnd,uMsg,wParam,lParam);<br /> }</p> <p>int WINAPI wWinMain( __in HINSTANCE hInstance, __in_opt HINSTANCE hPrevInstance, __in_opt LPWSTR lpCmdLine, __in int nShowCmd )<br /> {<br /> WNDCLASSEX wcex;<br /> wcex.cbSize = sizeof(WNDCLASSEX);<br /> wcex.cbClsExtra = 0;<br /> wcex.cbWndExtra = 0;<br /> wcex.hbrBackground = NULL;<br /> wcex.hCursor = NULL;<br /> wcex.hIcon = NULL;<br /> wcex.hIconSm = NULL;<br /> wcex.hInstance = GetModuleHandle(NULL);<br /> wcex.lpfnWndProc = WndProc;<br /> wcex.lpszClassName = L"First D3D Window";<br /> wcex.lpszMenuName = NULL;<br /> wcex.style = CS_CLASSDC;</p> <p> RegisterClassEx(&wcex);</p> <p> HWND hWnd = CreateWindow(L"First D3D Window",L"第一个D3D窗口",WS_OVERLAPPEDWINDOW,0,0,600,400,NULL,NULL,<br /> wcex.hInstance,NULL);</p> <p> if(SUCCEEDED(InitD3D(hWnd)))<br /> {<br /> ShowWindow(hWnd,SW_SHOWNORMAL);<br /> UpdateWindow(hWnd);</p> <p> MSG msg;<br /> while (GetMessage(&msg,NULL,0,0))<br /> {<br /> TranslateMessage(&msg);<br /> DispatchMessage(&msg);<br /> }<br /> }</p> <p> UnregisterClass(L"First D3D Window",wcex.hInstance);</p> <p> return 0;<br /> }