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C-/C++-Quelltext

// Initialize the triangle

HRESULT InitializeTriangle()
{
    // Set vertice 1

    cvTriangle[0].x = 150.0f;
    cvTriangle[0].y =  50.0f;
    cvTriangle[0].z =   0.5f;
    cvTriangle[0].rhw = 1.0f;
    cvTriangle[0].color = 0xff000000;

    // Set vertice 2

    cvTriangle[1].x = 250.0f;
    cvTriangle[1].y = 250.0f;
    cvTriangle[1].z =   0.5f;
    cvTriangle[1].rhw = 1.0f;
    cvTriangle[1].color = 0x00ff0000;

    // Set vertice 3

    cvTriangle[2].x =  50.0f;
    cvTriangle[2].y = 250.0f;
    cvTriangle[2].z =   0.5f;
    cvTriangle[2].rhw = 1.0f;
    cvTriangle[2].color = 0x0000ff00;

    // Fill the VertexBuffer

    if((p_D3DDevice->CreateVertexBuffer(sizeof(cvTriangle),
              0, D3DFVF_CUSTOMVERTEX, D3DPOOL_DEFAULT, &p_VB, NULL))!=D3D_OK)
        return E_FAIL;

    VOID* p_Vertices;

    // Lock

    if(FAILED(p_VB->Lock(0, sizeof(cvTriangle), (void**)&p_Vertices, 0)))
        return E_FAIL;

    memcpy(p_Vertices, cvTriangle, sizeof(cvTriangle));

    // Unlock

    p_VB->Unlock();


    return S_OK;
}

C-/C++-Quelltext

//--------------------------------------------------------------------------------------

// WinMain

INT WINAPI WinMain(HINSTANCE hInst, HINSTANCE, LPSTR, INT)
{
    // Register the Window class

    WNDCLASSEX wc = {sizeof(WNDCLASSEX), CS_CLASSDC, MsgProc, 0L, 0L,
                     GetModuleHandle(NULL), NULL, NULL, NULL, NULL,
                     "Direct3D Tutorial", NULL};

    RegisterClassEx(&wc);

    // Create the window

    HWND hwnd = CreateWindow("Direct3D Tutorial", "Direct3D Tutorial 02: Rendering Vertices",
                             WS_OVERLAPPEDWINDOW, 0, 0, 400, 400,
                             GetDesktopWindow(), NULL, hInst, NULL);

    // Show the window

    ShowWindow(hwnd, SW_SHOW);

    // Get DX version

    if(NULL == (p_D3D = Direct3DCreate9(D3D_SDK_VERSION)))
        return E_FAIL;

    // Fill the presenting parameters

    D3DPRESENT_PARAMETERS d3dpp;
    ZeroMemory(&d3dpp, sizeof(d3dpp));
    d3dpp.Windowed = true;
    d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
    d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;

    // Create the Device

    if(FAILED(p_D3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hwnd,
                                  D3DCREATE_SOFTWARE_VERTEXPROCESSING,
                                  &d3dpp, &p_D3DDevice)))
        return E_FAIL;

    MSG msg;

    // HIER: ////////////////////////////////////////////////////////////////////////

    InitializeTriangle();
    //////////////////////////////////////////////////////////////////////////////////


    ZeroMemory(&msg, sizeof(msg));

    // Handle the messages

    while(msg.message != WM_QUIT)
    {
        if(PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE))
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }
        else Render();
    }

    return msg.wParam;
}