DirectX9四角形描画失敗

現在初期化が終わって黒い画面が表示されるようになったので、四角形(三角形二つ)を描画しようと思い
次のコードを実行しました。

DirectX9
1#include<windows.h>
2#include<d3d9.h>
3#include<d3dx9.h>
4#pragma comment( lib, "d3d9.lib" )
5#pragma comment( lib, "d3dx9d.lib" )
6#pragma comment( lib, "d3dx9.lib" )
7#pragma comment( lib, "dxerr.lib" )
8#define MY_VERTEX_FVF (D3DFVF_XYZ | D3DFVF_DIFFUSE)
9
10LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp) {
11	switch (msg) {
12	case WM_DESTROY:
13		PostQuitMessage(0);
14		return 0;
15	}
16	return DefWindowProc(hwnd, msg, wp, lp);
17}
18
19struct MY_VERTEX {
20	D3DXVECTOR3 p;
21	DWORD color;
22
23};
24
25int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
26	PSTR lpCmdLine, int nCmdShow) {
27	HWND hwnd;
28	MSG msg;
29	WNDCLASS winc;
30	LPDIRECT3D9 m_pD3D = NULL;
31	D3DPRESENT_PARAMETERS m_D3DPP;
32	D3DDISPLAYMODE d3ddm;
33	LPDIRECT3DDEVICE9 m_pD3DDevice = NULL;
34	LPDIRECT3DVERTEXBUFFER9 m_pMyVB;
35
36
37	d3ddm.Width = 1280;
38	d3ddm.Height = 720;
39	d3ddm.Format = D3DFMT_A8R8G8B8;
40	d3ddm.RefreshRate = 60;
41	winc.style = CS_HREDRAW | CS_VREDRAW;
42	winc.lpfnWndProc = WndProc;
43	winc.cbClsExtra = winc.cbWndExtra = 0;
44	winc.hInstance = hInstance;
45	winc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
46	winc.hCursor = LoadCursor(NULL, IDC_ARROW);
47	winc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
48	winc.lpszMenuName = NULL;
49	winc.lpszClassName = TEXT("WCN");
50
51	if (!RegisterClass(&winc)) return 0;
52
53	hwnd = CreateWindow(
54		TEXT("WCN"), TEXT("東方幻想郷絶滅化計画~Destroy The World~"),
55		WS_OVERLAPPEDWINDOW,
56		175, 50, 1280, 720, NULL, NULL,
57		hInstance, NULL
58	);
59
60	if (hwnd == NULL) return 0;
61	BOOL isFullScreen = FALSE;
62	for (int i = 0; i < __argc; i++) {
63		if (_stricmp(__argv[i], "/f") == 0) {
64			isFullScreen = TRUE;
65			break;
66		}
67	}
68
69
70	if ((m_pD3D = ::Direct3DCreate9(D3D_SDK_VERSION)) == 0) {
71		return E_FAIL;
72	}
73
74	ZeroMemory(&m_D3DPP, sizeof(D3DPRESENT_PARAMETERS));
75
76	m_D3DPP.BackBufferCount = 1;
77	if (isFullScreen) {
78		m_D3DPP.Windowed = FALSE;
79		m_D3DPP.BackBufferWidth = 1280;
80		m_D3DPP.BackBufferHeight = 720;
81	}
82	else {
83		m_D3DPP.Windowed = TRUE;
84	}
85	m_D3DPP.BackBufferFormat = d3ddm.Format;
86	m_D3DPP.SwapEffect = D3DSWAPEFFECT_DISCARD;
87	m_D3DPP.EnableAutoDepthStencil = TRUE;
88	m_D3DPP.AutoDepthStencilFormat = D3DFMT_D16;
89
90	if (FAILED(m_pD3D->CreateDevice(D3DADAPTER_DEFAULT,
91		D3DDEVTYPE_HAL,
92		hwnd,
93		D3DCREATE_HARDWARE_VERTEXPROCESSING,
94		&m_D3DPP, &m_pD3DDevice))) {
95		if (FAILED(m_pD3D->CreateDevice(D3DADAPTER_DEFAULT,
96			D3DDEVTYPE_HAL,
97			hwnd,
98			D3DCREATE_SOFTWARE_VERTEXPROCESSING,
99			&m_D3DPP, &m_pD3DDevice))) {
100			if (FAILED(m_pD3D->CreateDevice(D3DADAPTER_DEFAULT,
101				D3DDEVTYPE_REF,
102				hwnd,
103				D3DCREATE_SOFTWARE_VERTEXPROCESSING,
104				&m_D3DPP, &m_pD3DDevice))) {
105				return E_FAIL;
106			}
107		}
108	}
109
110	if (FAILED(m_pD3DDevice->BeginScene())) {
111
112		if (FAILED(m_pD3DDevice->CreateVertexBuffer(
113			4 * sizeof(MY_VERTEX),
114			D3DUSAGE_WRITEONLY,
115			MY_VERTEX_FVF,
116			D3DPOOL_MANAGED,
117			&m_pMyVB,
118			NULL))) {
119			return E_FAIL;
120			MY_VERTEX* v;
121			m_pMyVB->Lock(0, 0, (void**)&v, 0);
122
123			v[0].p = D3DXVECTOR3(-1.5f, 1.5f, 0.0f); //頂点1
124			v[0].p = D3DXVECTOR3(1.5f, 1.5f, 0.0f); //頂点2
125			v[0].p = D3DXVECTOR3(-1.5f, -1.5f, 0.0f); //頂点3
126			v[0].p = D3DXVECTOR3(1.5f, -1.5f, 0.0f); //頂点4
127
128			//頂点データ:頂点の基本的な色の設定(すべて白色)
129			v[0].color = v[1].color = v[2].color = v[3].color
130				= D3DXCOLOR(1.0f, 1.0f, 1.0f, 1.0f);
131
132			m_pMyVB->Unlock();
133		m_pD3DDevice->SetStreamSource(0, m_pMyVB, 0, sizeof(MY_VERTEX));
134
135		m_pD3DDevice->SetFVF(MY_VERTEX_FVF);
136		m_pD3DDevice->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
137		}
138
139		return 0;
140	}
141
142	if (FAILED(m_pD3DDevice->Clear(0, NULL,
143		D3DCLEAR_TARGET |
144		D3DCLEAR_ZBUFFER,
145		D3DCOLOR_XRGB(0, 0, 0),
146		1.0f,
147		0))) {
148		return 0;
149	}
150
151	m_pD3DDevice->EndScene();
152
153	ShowWindow(hwnd, nCmdShow);
154	if (FAILED(m_pD3DDevice->Present(0, 0, 0, 0))) {
155		m_pD3DDevice->Reset(&m_D3DPP);
156	}
157	while (GetMessage(&msg, NULL, 0, 0)) DispatchMessage(&msg);
158	return msg.wParam;
159}