Ein*_*rDS 1 opengl glew freeglut
我正在尝试使用openGLbook.com教程.我得到这个常见的错误:
1>------ Build started: Project: OpenGL Startup, Configuration: Debug Win32 ------
1>Build started 1/25/2013 8:18:16 PM.
1>InitializeBuildStatus:
1> Touching "Debug\OpenGL Startup.unsuccessfulbuild".
1>ClCompile:
1> All outputs are up-to-date.
1>ManifestResourceCompile:
1> All outputs are up-to-date.
1>main.obj : error LNK2019: unresolved external symbol __imp__glewGetErrorString@4 referenced in function _Initialize
1>main.obj : error LNK2019: unresolved external symbol __imp__glewInit@0 referenced in function _Initialize
1>J:\Coding Projects\OpenGL 3.3 Tutorial\OpenGL Startup\Debug\OpenGL Startup.exe : fatal error LNK1120: 2 unresolved externals
1>
1>Build FAILED.
1>
1>Time Elapsed 00:00:00.07
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
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我从glew.sourceforge.net下载了GLEW的最新64位二进制文件,并将它们复制到C:\ Program Files(x86)\ Microsoft SDKs\Windows\v7.0A中的相应位置.我还下载了最新的freeglut文件并做了同样的事情.
我正在使用VS 2010.以下是我更改的设置(基于其他线程和论坛):
1)属性> VC++目录........添加了包含glew.h和freeglut.h的"include"文件夹
2)属性>链接器>输入>附加依赖性.....添加了glew32.lib,freeglut.lib,glew32mx.lib,glew32mxs.lib,glew32s.lib
我真的不明白为什么它仍然没有正确链接库.我还应该注意,我的工作方式与C驱动器不同.即使我将所有内容链接到属性中的正确文件夹,这会产生影响吗?
编辑:忘了发布实际代码,这里是:
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <GL/glew.h>
#include <GL/freeglut.h>
#define WINDOW_TITLE_PREFIX "Chapter 1"
int CurrentWidth = 800,
CurrentHeight = 600,
WindowHandle = 0;
unsigned FrameCount = 0;
void Initialize(int, char*[]);
void InitWindow(int, char*[]);
void ResizeFunction(int, int);
void RenderFunction(void);
void TimerFunction(int);
void IdleFunction(void);
int main(int argc, char* argv[])
{
Initialize(argc, argv);
glutMainLoop();
exit(EXIT_SUCCESS);
}
void Initialize(int argc, char* argv[])
{
GLenum GlewInitResult;
InitWindow(argc, argv);
GlewInitResult = glewInit();
if (GLEW_OK != GlewInitResult) {
fprintf(
stderr,
"ERROR: %s\n",
glewGetErrorString(GlewInitResult)
);
}
fprintf(
stdout,
"INFO: OpenGL Version: %s\n",
glGetString(GL_VERSION)
);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
}
void InitWindow(int argc, char* argv[])
{
glutInit(&argc, argv);
glutInitContextVersion(4, 0);
glutInitContextFlags(GLUT_FORWARD_COMPATIBLE);
glutInitContextProfile(GLUT_CORE_PROFILE);
glutSetOption(
GLUT_ACTION_ON_WINDOW_CLOSE,
GLUT_ACTION_GLUTMAINLOOP_RETURNS
);
glutInitWindowSize(CurrentWidth, CurrentHeight);
glutInitDisplayMode(GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGBA);
WindowHandle = glutCreateWindow(WINDOW_TITLE_PREFIX);
if(WindowHandle < 1) {
fprintf(
stderr,
"ERROR: Could not create a new rendering window.\n"
);
exit(EXIT_FAILURE);
}
glutReshapeFunc(ResizeFunction);
glutDisplayFunc(RenderFunction);
glutIdleFunc(IdleFunction);
glutTimerFunc(0, TimerFunction, 0);
}
void ResizeFunction(int Width, int Height)
{
CurrentWidth = Width;
CurrentHeight = Height;
glViewport(0, 0, CurrentWidth, CurrentHeight);
}
void RenderFunction(void)
{
++FrameCount;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glutSwapBuffers();
glutPostRedisplay();
}
void IdleFunction(void)
{
glutPostRedisplay();
}
void TimerFunction(int Value)
{
if (0 != Value) {
char* TempString = (char*)
malloc(512 + strlen(WINDOW_TITLE_PREFIX));
sprintf(
TempString,
"%s: %d Frames Per Second @ %d x %d",
WINDOW_TITLE_PREFIX,
FrameCount * 4,
CurrentWidth,
CurrentHeight
);
glutSetWindowTitle(TempString);
free(TempString);
}
FrameCount = 0;
glutTimerFunc(250, TimerFunction, 1);
}
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如果你已经弄明白了,我很抱歉.我也没有花时间阅读评论.但是,您链接到glew32s.lib这是静态库,但您的代码顶部没有#define GLEW_STATIC和您的包含.
试试吧.我非常有信心这是你的问题.我尝试在我的代码中注释掉该行并得到类似的错误.
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