Renderer rendererとは?

私が参考にしているDirectX9の書籍で、

Renderer renderer;//レンダラーオブジェクト

というコードがあります

これの中のInitialize()関数を呼び出しているそうですが、
Renderer構造体がどのようなものかがわかりません。
付属のCDに答えがあるそうなんですが
CDがないので誰か助けてください。

コードとしては

DIrectX
1clude<windows.h>
2#include<d3d9.h>
3#include<d3d9.h>
4
5LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp) {
6	switch (msg) {
7	case WM_DESTROY:
8		PostQuitMessage(0);
9		return 0;
10	}
11	return DefWindowProc(hwnd, msg, wp, lp);
12}
13
14int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
15	PSTR lpCmdLine, int nCmdShow) {
16	HWND hwnd;
17	MSG msg;
18	WNDCLASS winc;
19	LPDIRECT3D9 m_pD3D;
20	D3DPRESENT_PARAMETERS m_D3DPP;
21	D3DDISPLAYMODE d3ddm;
22	LPDIRECT3DDEVICE9 m_pD3DDevice = NULL;
23	HRESULT hr;
24	
25
26	d3ddm.Format = D3DFMT_R8G8B8;
27	d3ddm.Height = 720;
28	d3ddm.Width = 1280;
29	d3ddm.RefreshRate = 0;
30
31	winc.style = CS_HREDRAW | CS_VREDRAW;
32	winc.lpfnWndProc = WndProc;
33	winc.cbClsExtra = winc.cbWndExtra = 0;
34	winc.hInstance = hInstance;
35	winc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
36	winc.hCursor = LoadCursor(NULL, IDC_ARROW);
37	winc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
38	winc.lpszMenuName = NULL;
39	winc.lpszClassName = TEXT("WCN");
40
41	if (!RegisterClass(&winc)) return 0;
42
43	BOOL isFullScreen = FALSE;
44	for (int i = 0; i < __argc; i++) {
45		if (_stricmp(__argv[i], "/f") == 0) {
46			isFullScreen = TRUE;
47			break;
48		}
49	}
50	hwnd = CreateWindow(
51		TEXT("WCN"), TEXT("Test"),
52		WS_OVERLAPPEDWINDOW | WS_VISIBLE,
53		175, 50, 1280, 720, NULL, NULL,
54		hInstance, NULL
55	);
56
57	if (hwnd == NULL) return 0;
58
59	if ((m_pD3D = ::Direct3DCreate9(D3D_SDK_VERSION)) == 0) return E_FAIL;
60
61	ZeroMemory(&m_D3DPP, sizeof(D3DPRESENT_PARAMETERS));
62
63	m_D3DPP.BackBufferCount = 1;
64	if (isFullScreen) {
65		m_D3DPP.Windowed = FALSE;
66		m_D3DPP.BackBufferWidth = 1280;
67		m_D3DPP.BackBufferHeight = 720;
68	}
69	else {
70		m_D3DPP.Windowed = TRUE;
71	}
72	m_D3DPP.BackBufferFormat = d3ddm.Format;
73	m_D3DPP.SwapEffect = D3DSWAPEFFECT_DISCARD;
74	m_D3DPP.EnableAutoDepthStencil = TRUE;
75	m_D3DPP.AutoDepthStencilFormat = D3DFMT_D16;
76
77	if (FAILED(m_pD3D->CreateDevice(D3DADAPTER_DEFAULT,
78		D3DDEVTYPE_HAL,
79		hwnd,
80		D3DCREATE_HARDWARE_VERTEXPROCESSING,
81		&m_D3DPP, &m_pD3DDevice))) {
82		if (FAILED(m_pD3D->CreateDevice(D3DADAPTER_DEFAULT,
83			D3DDEVTYPE_HAL,
84			hwnd,
85			D3DCREATE_SOFTWARE_VERTEXPROCESSING,
86			&m_D3DPP, &m_pD3DDevice))) {
87			if (FAILED(m_pD3D->CreateDevice(D3DADAPTER_DEFAULT,
88				D3DDEVTYPE_REF,
89				hwnd,
90				D3DCREATE_SOFTWARE_VERTEXPROCESSING,
91				&m_D3DPP, &m_pD3DDevice))) {
92				return E_FAIL;
93			}
94		}
95	}
96
97	if (FAILED(m_pD3DDevice->Clear(0, NULL,
98		D3DCLEAR_TARGET |
99		D3DCLEAR_ZBUFFER,
100		D3DCOLOR_XRGB(0, 0, 0),
101		1.0f,
102		0))) {
103		return;
104	}
105
106	if (SUCCEEDED(m_pD3DDevice->BeginScene())) {
107
108
109
110
111		m_pD3DDevice->EndScene();
112	}
113
114	if (FAILED(m_pD3DDevice->Present(0, 0, 0, 0))) {
115		m_pD3DDevice->Reset(&m_D3DPP);
116	}
117
118	while (TRUE) {
119		if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
120			if (msg.message == WM_QUIT) {
121				break;
122			}
123			else {
124				TranslateMessage(&msg);
125				DispatchMessage(&msg);
126			}
127		}
128		else {
129			WINDOWPLACEMENT wndpl;
130			GetWindowPlacement(hwnd, &wndpl);
131			if ((wndpl.showCmd != SW_HIDE) &&
132				(wndpl.showCmd != SW_MINIMIZE) &&
133				(wndpl.showCmd != SW_SHOWMINNOACTIVE)) {
134				renderer.RenderScene(&scene);
135			}
136		}
137	}
138}