#include <d3d9.h>#include <d3dx9.h>#include <stdio.h>#pragma comment(lib,"d3d9.lib")#pragma comment(lib,"d3dx9.lib")#pragma comment(lib,"winmm.lib")#define KeyDown(vk_code) ((GetAsyncKeyState(vk_code) & 0x8000) ? 1 : 0)#define Msg(info) MessageBox(NULL,info,"message",MB_OK)#define ErrorMsg(info) MessageBox(NULL,info,"error",MB_ICONSTOP)#defineDXRELOBJ(pObject)if(pObject){pObject->Release();}#define WND_CLASS "wndclass"#define WND_TITLE "D3DApp Demo"#define WND_WIDTH 400#define WND_HEIGHT 300HWND g_hwnd;HINSTANCE g_hinst;LPDIRECT3D9 g_d3d;LPDIRECT3DDEVICE9 g_device;LPDIRECT3DVERTEXBUFFER9 g_vb;#define D3DFVF_CUSTOM (D3DFVF_XYZ|D3DFVF_DIFFUSE)struct CustomVertex{float x,y,z;long color;};bool InitGeometry(){CustomVertex triangle[]={-1, -1, 0, 0xffff00,1, -1, 0, 0xff0000,0, 1, 0, 0x0000ff};if(FAILED(g_device->CreateVertexBuffer(sizeof(triangle), 0, D3DFVF_CUSTOM, D3DPOOL_DEFAULT, &g_vb, NULL))) return false;void * paddr; if(FAILED(g_vb->Lock(0, 0, (void**)&paddr, 0))) return false;memcpy(paddr, triangle, sizeof(triangle));g_vb->Unlock();return true;}bool InitD3D(){if(NULL==(g_d3d = Direct3DCreate9(D3D_SDK_VERSION)))return false;D3DDISPLAYMODE d3dpm;if(FAILED(g_d3d->GetAdapterDisplayMode(D3DADAPTER_DEFAULT, &d3dpm)))return false;D3DPRESENT_PARAMETERS d3dpp;ZeroMemory(&d3dpp, sizeof(d3dpp));d3dpp.Windowed = TRUE;d3dpp.hDeviceWindow = g_hwnd;d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;d3dpp.BackBufferFormat = d3dpm.Format;if(FAILED(g_d3d->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, g_hwnd,D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp, &g_device)))return false;g_device->SetRenderState(D3DRS_LIGHTING, FALSE);g_device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);return true;}bool InitApp(){if(!InitD3D() | !InitGeometry()){ErrorMsg("Unable to Initialize D3D !");return false;}return true;}void Render(){g_device->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0,0,0), 1.0f, 0);g_device->BeginScene(); g_device->SetStreamSource(0, g_vb, 0, sizeof(CustomVertex));g_device->SetFVF(D3DFVF_CUSTOM);g_device->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 1);g_device->EndScene();g_device->Present(NULL, NULL, NULL, NULL);}void ShutdownApp(){DXRELOBJ(g_vb);DXRELOBJ(g_device);DXRELOBJ(g_d3d); }LRESULT CALLBACK MsgProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam){switch(msg){case WM_DESTROY:PostQuitMessage(0);break;default:break;}return DefWindowProc(hwnd, msg, wparam, lparam);}int WINAPI WinMain(HINSTANCE hinst,HINSTANCE hprevinst, LPSTR cmdlint, INT show){g_hinst = hinst;WNDCLASSEX wcex;wcex.cbSize = sizeof(WNDCLASSEX);wcex.style = CS_CLASSDC;wcex.lpfnWndProc = MsgProc;wcex.cbClsExtra = 0;wcex.cbWndExtra = 0;wcex.hInstance = GetModuleHandle(NULL);wcex.hIcon = LoadIcon(NULL, IDC_APPSTARTING);wcex.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);wcex.hCursor = LoadCursor( NULL, IDC_ARROW );wcex.lpszClassName = WND_CLASS;wcex.lpszMenuName = NULL;wcex.hIconSm = LoadIcon(NULL, IDC_APPSTARTING); if(!RegisterClassEx(&wcex)){ErrorMsg("RegisterClassEx failed!");return 0;}g_hwnd = CreateWindow(WND_CLASS, WND_TITLE, WS_OVERLAPPEDWINDOW,CW_USEDEFAULT, CW_USEDEFAULT, WND_WIDTH, WND_HEIGHT,NULL, NULL, hinst, NULL);if(!g_hwnd)return 0;ShowWindow(g_hwnd, SW_SHOWNORMAL);UpdateWindow(g_hwnd);MSG msg={0};if(!InitApp())msg.message = WM_QUIT;while(msg.message != WM_QUIT){if(PeekMessage(&msg, 0, 0, 0, PM_REMOVE)){TranslateMessage(&msg);DispatchMessage(&msg);}Render();}ShutdownApp();UnregisterClass(WND_CLASS, wcex.hInstance);return 0;}
