OpenGL ChoosePixelFormatの失敗

前提・実現したいこと

WGLでChoosePixelFormat func.(main.cpp WindowProc WM_CREATE)が失敗してしまいます.PIXELFORMATDESCRIPTORの設定に問題があるのでしょうか?

発生している問題・エラーメッセージ

C
1//main.cpp
2#define UNICODE
3
4#pragma comment(lib,"OpenGL32.lib")
5
6#include <windows.h>
7#include <process.h>
8#include <gl/GL.h>
9#include <gl/GLU.h>
10
11#include "glloop.h"
12
13LRESULT CALLBACK WindowProc(HWND, UINT, WPARAM, LPARAM);
14
15const wchar_t CLASS_NAME[] = L"CLASS";
16
17int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR nCmdLine, int nCmdShow) {
18	UNREFERENCED_PARAMETER(hPrevInstance);
19	UNREFERENCED_PARAMETER(nCmdLine);
20
21	WNDCLASSEX wc = {
22		sizeof(WNDCLASSEX), CS_OWNDC | CS_VREDRAW | CS_HREDRAW, WindowProc,
23		0, 0, hInstance,
24		NULL, (HCURSOR)LoadCursor(NULL,IDC_ARROW), (HBRUSH)GetStockObject(WHITE_BRUSH),
25		NULL, CLASS_NAME, NULL
26	};
27
28	RegisterClassEx(&wc);
29
30	HWND hwnd = CreateWindowEx(
31		0, CLASS_NAME, L"Template", WS_OVERLAPPEDWINDOW,
32		50, 50, 960, 525,
33		NULL, NULL, hInstance, NULL
34	);
35
36	ShowWindow(hwnd, nCmdShow);
37	UpdateWindow(hwnd);
38
39	MSG msg = {};
40
41	while (GetMessage(&msg, NULL, 0, 0) >= 0) {
42		TranslateMessage(&msg);
43		DispatchMessage(&msg);
44	}
45
46	return (int)msg.wParam;
47}
48
49LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
50	switch (uMsg) {
51		static HANDLE hgl;
52		static unsigned int thId;
53
54		static HDC hdc;
55		static HGLRC glrc;
56	case WM_CREATE:
57	{
58		PIXELFORMATDESCRIPTOR pfd =
59		{
60			sizeof(PIXELFORMATDESCRIPTOR), 1,
61			PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER,
62			PFD_TYPE_RGBA, 32,
63			0, 0, 0, 0, 0, 0, 0, 0,
64			0,
65			0, 0, 0, 0,
66			24,
67			8,
68			0,
69			PFD_MAIN_PLANE,
70			0,
71			0, 0, 0
72		};
73
74		hdc = GetDC(hwnd);
75		if (hdc == NULL) {
76			MessageBox(hwnd, L"Failed to get HDC", L"Caution", MB_OK);
77			return -1;
78		}
79
80		int format = ChoosePixelFormat(hdc, &pfd);
81
82		if (format == 0) {
83			MessageBox(hwnd, L"pixel format error", L"Caution", MB_OK);
84			return -1;
85		}
86
87		if (SetPixelFormat(hdc, format, &pfd)==FALSE) {
88			MessageBox(hwnd, L"Set error", L"Caution", MB_OK);
89			return -1;
90		}
91
92		glrc = wglCreateContext(hdc);
93		PassHandle ph;
94		ph.hdc = hdc;
95		ph.glrc = glrc;
96		if ((hgl = (HANDLE)_beginthreadex(NULL, 0, (_beginthreadex_proc_type)GLLoop, &ph, 0, &thId)) == NULL) {
97			MessageBox(hwnd, L"Thread error", L"Caution", MB_OK);
98			return -1;
99		}
100
101
102		break;
103	}
104	case WM_PAINT:
105	{
106		PAINTSTRUCT ps = {};
107		BeginPaint(hwnd, &ps);
108		EndPaint(hwnd, &ps);
109
110		PostThreadMessage(thId, TM_PAINT, 0, 0);
111	}
112	break;
113
114	case WM_CLOSE:
115	{
116		PostThreadMessage(thId, TM_DESTROY, 0, 0);
117		WaitForSingleObject(hgl, INFINITE);
118		wglMakeCurrent(NULL, NULL);
119		wglDeleteContext(glrc);
120		ReleaseDC(hwnd, hdc);
121
122		DestroyWindow(hwnd);
123	}
124	break;
125
126	case WM_DESTROY:
127		PostQuitMessage(0);
128		return 0;
129	}
130
131	return DefWindowProc(hwnd, uMsg, wParam, lParam);
132}

C
1//glloop.h
2#pragma once
3
4#include <Windows.h>
5
6#define TM_PAINT WM_APP+1
7#define TM_DESTROY WM_APP+2
8
9typedef struct _tagPassHandle {
10	HDC hdc;
11	HGLRC glrc;
12}PassHandle;
13
14
15DWORD WINAPI GLLoop(LPDWORD lpdata);

C
1//glloop.cpp
2#define UNICODE
3
4#include "glloop.h"
5#include <gl/GL.h>
6#include <process.h>
7
8
9DWORD WINAPI GLLoop(LPDWORD lpdata) {
10	PassHandle *tps = (PassHandle*)lpdata;
11
12	HDC thdc = tps->hdc;
13	HGLRC tglrc = tps->glrc;
14
15	MSG tMsg = {};
16	while (GetMessage(&tMsg, NULL, 0, 0) > 0) {
17
18		switch (tMsg.message) {
19
20		case TM_PAINT:
21		{
22			MessageBox(NULL, L"pixel format error", L"Caution", MB_OK);
23			wglMakeCurrent(thdc, tglrc);
24
25			glClearColor(0.0f, 0.5f, 1.0f, 1.0f);
26			glClear(GL_COLOR_BUFFER_BIT);
27			glBegin(GL_LINE_STRIP);
28
29			glVertex2f(0, 0);
30			glVertex2f(0.2, 0.4);
31
32			glEnd();
33
34			glFlush();
35			SwapBuffers(thdc);
36			wglMakeCurrent(NULL, NULL);
37		}
38		break;
39
40		case TM_DESTROY:
41			_endthreadex(0);
42			return 0;
43		}
44	}
45}