源代码如下：
// GlTest.cpp : 定义应用程序的入口点。
//#include "stdafx.h"
#include "GlTest.h"
#define MAX_LOADSTRING 100
// 全局变量：
HINSTANCE hInst; // 当前实例
HWND g_hWnd;
HDC g_hDC;
HGLRC g_glRes;TCHAR szTitle[MAX_LOADSTRING]; // 标题栏文本
TCHAR szWindowClass[MAX_LOADSTRING]; // 主窗口类名// 此代码模块中包含的函数的前向声明：
void OnCreate( HWND hWnd );
void OnCreated( void );
void OnDestroy( void );
void OnDraw( void );
void SetProjMatrix( WORD wWidth, WORD wHeight );
void SetModalMatrix( void );
void OnIdle( void );ATOM MyRegisterClass(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK About(HWND, UINT, WPARAM, LPARAM);int APIENTRY _tWinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
// TODO: 在此放置代码。
MSG msg;
HACCEL hAccelTable; // 初始化全局字符串
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_GLTEST, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance); // 执行应用程序初始化：
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
} hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_GLTEST); // 主消息循环：
while ( true )
{
if ( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) )
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
continue;
}
if ( WM_QUIT == msg.message )
{
break;
}
OnIdle();
} return (int) msg.wParam;
}//
// 函数：MyRegisterClass()
//
// 目的：注册窗口类。
//
// 注释：
//
// 仅当希望在已添加到 Windows 95 的
// “RegisterClassEx”函数之前此代码与 Win32 系统兼容时，
// 才需要此函数及其用法。调用此函数
// 十分重要，这样应用程序就可以获得关联的
// “格式正确的”小图标。
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex; wcex.cbSize = sizeof(WNDCLASSEX); wcex.style = 0;
wcex.lpfnWndProc = (WNDPROC)WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, (LPCTSTR)IDI_GLTEST);
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = (LPCTSTR)IDC_GLTEST;
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL); return RegisterClassEx(&wcex);
}//
// 函数：InitInstance(HANDLE, int)
//
// 目的：保存实例句柄并创建主窗口
//
// 注释：
//
// 在此函数中，我们在全局变量中保存实例句柄并
// 创建和显示主程序窗口。
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
hInst = hInstance; // 将实例句柄存储在全局变量中 CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL); if ( !g_hWnd )
{
return FALSE;
}
OnCreated(); ShowWindow( g_hWnd, nCmdShow );
UpdateWindow( g_hWnd); return TRUE;
}LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
switch (message)
{
case WM_CREATE:
OnCreate( hWnd );
break;
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// 分析菜单选择：
switch (wmId)
{
case IDM_ABOUT:
DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_SIZE:
SetProjMatrix( LOWORD( lParam ), HIWORD( lParam ) );
break;
case WM_DESTROY:
OnDestroy();
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}// “关于”框的消息处理程序。
LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG:
return TRUE; case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return TRUE;
}
break;
}
return FALSE;
}void OnCreate( HWND hWnd )
{
g_hWnd = hWnd;
}void OnDestroy( void )
{
ReleaseDC( g_hWnd, g_hDC );
wglDeleteContext( g_glRes );
}void OnCreated( void )
{
g_hDC = GetDC( g_hWnd );
PIXELFORMATDESCRIPTOR pfd;
ZeroMemory( &pfd, sizeof(PIXELFORMATDESCRIPTOR) );
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR );
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 24;
pfd.cDepthBits = 32; SetPixelFormat( g_hDC, ChoosePixelFormat( g_hDC, &pfd ), &pfd ); g_glRes = wglCreateContext( g_hDC );
wglMakeCurrent( g_hDC, g_glRes ); glEnable(GL_CULL_FACE);
glCullFace(GL_BACK); glEnable( GL_DEPTH_TEST );
glDepthFunc( GL_LEQUAL ); int LightPos[] = { 50, 50, 10, 1 };
float LightColor[] = { 0.3f, 0.3f, 0.3f, 1.0f }; glEnable(GL_LIGHTING);
glLightiv( GL_LIGHT0, GL_POSITION, LightPos );
glLightfv( GL_LIGHT0, GL_AMBIENT, LightColor );
glLightfv( GL_LIGHT0, GL_DIFFUSE, LightColor );
glEnable( GL_LIGHT0 );
glEnable( GL_COLOR_MATERIAL );
glColorMaterial( GL_FRONT, GL_AMBIENT_AND_DIFFUSE ); glShadeModel( GL_SMOOTH ); glClearColor( 255.0f / 255.0f, 255.0f / 255.0f, 200.0f / 255.0f, 0.0 );
glColor3ub( 140, 200, 255 );
}void OnDraw( void )
{
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glBegin( GL_QUADS ); // 设置绘制模式，我们画一个平面的四边形
glVertex2i( 5, 5 );
glVertex2i( -5, 5 );
glVertex2i( -5, -5 );
glVertex2i( 5, -5 );
glEnd();
SwapBuffers( g_hDC ); // 交换前后缓冲，双缓冲无闪烁
}void SetModalMatrix( void )
{
glMatrixMode( GL_MODELVIEW );
glLoadIdentity( );
static float fRadius = 0;
fRadius += 0.01f;
if ( fRadius > M_PI * 2 )
{
fRadius = 0;
}
gluLookAt( cosf( fRadius ) * 30, sinf( fRadius ) * 30, 15.0,
0.0, 0.0, 0.0,
0.0, 0.0, 1.0 );
}void SetProjMatrix( WORD wWidth, WORD wHeight )
{
glViewport( 0, 0, wWidth, wHeight );
glMatrixMode( GL_PROJECTION );
glLoadIdentity( );
gluPerspective( 45.0, (double)wWidth / (double)wHeight, 1.0, 1000.0 );
}void OnIdle( void )
{
SetModalMatrix();
OnDraw();
}报错的就都是这样的，几十个。1>d:\my documents\visual studio 2005\projects\gltest\gltest\gltest.cpp(224) : error C2065: “GL_CULL_FACE”: 未声明的标识符
1>d:\my documents\visual studio 2005\projects\gltest\gltest\gltest.cpp(224) : error C3861: “glEnable”: 找不到标识符
1>d:\my documents\visual studio 2005\projects\gltest\gltest\gltest.cpp(225) : error C2065: “GL_BACK”: 未声明的标识符
1>d:\my documents\visual studio 2005\projects\gltest\gltest\gltest.cpp(225) : error C3861: “glCullFace”: 找不到标识符请问如何解决？头文件已经引入，OpenGL其他程序也能够成功运行。
// GlTest.cpp : 定义应用程序的入口点。
//#include "stdafx.h"
#include "GlTest.h"
#define MAX_LOADSTRING 100
// 全局变量：
HINSTANCE hInst; // 当前实例
HWND g_hWnd;
HDC g_hDC;
HGLRC g_glRes;TCHAR szTitle[MAX_LOADSTRING]; // 标题栏文本
TCHAR szWindowClass[MAX_LOADSTRING]; // 主窗口类名// 此代码模块中包含的函数的前向声明：
void OnCreate( HWND hWnd );
void OnCreated( void );
void OnDestroy( void );
void OnDraw( void );
void SetProjMatrix( WORD wWidth, WORD wHeight );
void SetModalMatrix( void );
void OnIdle( void );ATOM MyRegisterClass(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK About(HWND, UINT, WPARAM, LPARAM);int APIENTRY _tWinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
// TODO: 在此放置代码。
MSG msg;
HACCEL hAccelTable; // 初始化全局字符串
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_GLTEST, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance); // 执行应用程序初始化：
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
} hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_GLTEST); // 主消息循环：
while ( true )
{
if ( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) )
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
continue;
}
if ( WM_QUIT == msg.message )
{
break;
}
OnIdle();
} return (int) msg.wParam;
}//
// 函数：MyRegisterClass()
//
// 目的：注册窗口类。
//
// 注释：
//
// 仅当希望在已添加到 Windows 95 的
// “RegisterClassEx”函数之前此代码与 Win32 系统兼容时，
// 才需要此函数及其用法。调用此函数
// 十分重要，这样应用程序就可以获得关联的
// “格式正确的”小图标。
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex; wcex.cbSize = sizeof(WNDCLASSEX); wcex.style = 0;
wcex.lpfnWndProc = (WNDPROC)WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, (LPCTSTR)IDI_GLTEST);
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = (LPCTSTR)IDC_GLTEST;
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, (LPCTSTR)IDI_SMALL); return RegisterClassEx(&wcex);
}//
// 函数：InitInstance(HANDLE, int)
//
// 目的：保存实例句柄并创建主窗口
//
// 注释：
//
// 在此函数中，我们在全局变量中保存实例句柄并
// 创建和显示主程序窗口。
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
hInst = hInstance; // 将实例句柄存储在全局变量中 CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL); if ( !g_hWnd )
{
return FALSE;
}
OnCreated(); ShowWindow( g_hWnd, nCmdShow );
UpdateWindow( g_hWnd); return TRUE;
}LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
switch (message)
{
case WM_CREATE:
OnCreate( hWnd );
break;
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// 分析菜单选择：
switch (wmId)
{
case IDM_ABOUT:
DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_SIZE:
SetProjMatrix( LOWORD( lParam ), HIWORD( lParam ) );
break;
case WM_DESTROY:
OnDestroy();
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}// “关于”框的消息处理程序。
LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG:
return TRUE; case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return TRUE;
}
break;
}
return FALSE;
}void OnCreate( HWND hWnd )
{
g_hWnd = hWnd;
}void OnDestroy( void )
{
ReleaseDC( g_hWnd, g_hDC );
wglDeleteContext( g_glRes );
}void OnCreated( void )
{
g_hDC = GetDC( g_hWnd );
PIXELFORMATDESCRIPTOR pfd;
ZeroMemory( &pfd, sizeof(PIXELFORMATDESCRIPTOR) );
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR );
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = 24;
pfd.cDepthBits = 32; SetPixelFormat( g_hDC, ChoosePixelFormat( g_hDC, &pfd ), &pfd ); g_glRes = wglCreateContext( g_hDC );
wglMakeCurrent( g_hDC, g_glRes ); glEnable(GL_CULL_FACE);
glCullFace(GL_BACK); glEnable( GL_DEPTH_TEST );
glDepthFunc( GL_LEQUAL ); int LightPos[] = { 50, 50, 10, 1 };
float LightColor[] = { 0.3f, 0.3f, 0.3f, 1.0f }; glEnable(GL_LIGHTING);
glLightiv( GL_LIGHT0, GL_POSITION, LightPos );
glLightfv( GL_LIGHT0, GL_AMBIENT, LightColor );
glLightfv( GL_LIGHT0, GL_DIFFUSE, LightColor );
glEnable( GL_LIGHT0 );
glEnable( GL_COLOR_MATERIAL );
glColorMaterial( GL_FRONT, GL_AMBIENT_AND_DIFFUSE ); glShadeModel( GL_SMOOTH ); glClearColor( 255.0f / 255.0f, 255.0f / 255.0f, 200.0f / 255.0f, 0.0 );
glColor3ub( 140, 200, 255 );
}void OnDraw( void )
{
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
glBegin( GL_QUADS ); // 设置绘制模式，我们画一个平面的四边形
glVertex2i( 5, 5 );
glVertex2i( -5, 5 );
glVertex2i( -5, -5 );
glVertex2i( 5, -5 );
glEnd();
SwapBuffers( g_hDC ); // 交换前后缓冲，双缓冲无闪烁
}void SetModalMatrix( void )
{
glMatrixMode( GL_MODELVIEW );
glLoadIdentity( );
static float fRadius = 0;
fRadius += 0.01f;
if ( fRadius > M_PI * 2 )
{
fRadius = 0;
}
gluLookAt( cosf( fRadius ) * 30, sinf( fRadius ) * 30, 15.0,
0.0, 0.0, 0.0,
0.0, 0.0, 1.0 );
}void SetProjMatrix( WORD wWidth, WORD wHeight )
{
glViewport( 0, 0, wWidth, wHeight );
glMatrixMode( GL_PROJECTION );
glLoadIdentity( );
gluPerspective( 45.0, (double)wWidth / (double)wHeight, 1.0, 1000.0 );
}void OnIdle( void )
{
SetModalMatrix();
OnDraw();
}报错的就都是这样的，几十个。1>d:\my documents\visual studio 2005\projects\gltest\gltest\gltest.cpp(224) : error C2065: “GL_CULL_FACE”: 未声明的标识符
1>d:\my documents\visual studio 2005\projects\gltest\gltest\gltest.cpp(224) : error C3861: “glEnable”: 找不到标识符
1>d:\my documents\visual studio 2005\projects\gltest\gltest\gltest.cpp(225) : error C2065: “GL_BACK”: 未声明的标识符
1>d:\my documents\visual studio 2005\projects\gltest\gltest\gltest.cpp(225) : error C3861: “glCullFace”: 找不到标识符请问如何解决？头文件已经引入，OpenGL其他程序也能够成功运行。
#include <GL/glu.h>
如果你当初安装VS2005时没有选择Platform SDK，那么就没有GL库。
上述目录是
C:\Program Files\Microsoft Visual Studio.NET\Vc7\PlatformSDK\
如果里面没有GL。你可以在添加删除程序里选择更改VS2005，添加上Platform SDK。或者去微软的网站下载一个Platform SDK（for 2003 Server R2）或者Windows SDK（for Vista），不用最新的。安装后运行Visual Studio Registration。