我在Windows上使用CodeBlock，我有3个文件：
bmp.h
#include <GL/glaux.h>
AUX_RGBImageRec *LoadBMP(char *Filename);
bmp.cpp
#include <windows.h>
#include <stdio.h>
#include <gl/gl.h>
#include <gl/glu.h>
#include <gl/glaux.h>
#include "bmp.h"
AUX_RGBImageRec *LoadBMP(char *Filename)
{
FILE *File=NULL;
if(!Filename)
{
return NULL;
}
File = fopen(Filename, "r");
if(File)
{
fclose(File);
return auxDIBImageLoad(Filename);
}
return NULL;
}
program.cpp
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <GL/glut.h>
#include "bmp.h"
float z_post = -5.0f;
float rot = 0.0f;
GLfloat LightAmbient[]= {0.5f, 0.5f, 0.5f, 1.0f};
GLfloat LightDiffuse[]= {1.0f, 1.0f, 1.0f, 1.0f};
GLfloat LightPosition[]= {0.0f, 0.0f, 2.0f,1.0f};
GLuint filter;
GLuint texture[3];
int LoadGLTextures()
//Load Bitmaps And Convert To Textures
{
int Status = FALSE;
AUX_RGBImageRec *TextureImage[1];
memset(TextureImage, 0, sizeof(void *)*1);
if (TextureImage[0]=LoadBMP("Glass.bmp"))
{
Status = TRUE;
glGenTextures(3, &texture[0]);
glBindTexture(GL_TEXTURE_2D, texture[0]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, 3, TextureImage[0]->sizeX,
TextureImage[0]->sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE, TextureImage[0]->data);
glBindTexture(GL_TEXTURE_2D, texture[1]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, 3, TextureImage[0]->sizeX,
TextureImage[0]->sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE, TextureImage[0]->data);
glBindTexture(GL_TEXTURE_2D, texture[2]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
gluBuild2DMipmaps(GL_TEXTURE_2D, 3, TextureImage[0]->sizeX, TextureImage[0]->sizeY, GL_RGB, GL_UNSIGNED_BYTE, TextureImage[0]->data);
}
if (TextureImage[0])
{
if (TextureImage[0]->data)
{
free(TextureImage[0]->data);
}
free(TextureImage[0]);
}
return Status;
}
void resize(int width, int height)
{
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45.0, (float)width/(float)height, 1.0, 300.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void myTimeOut(int id)
{
rot += 10;
glutPostRedisplay();
glutTimerFunc(100, myTimeOut, 0);
}
void myKeyboard(unsigned char key, int x, int y)
{
if((key == '<') || (key == ',')) z_post-=0.1f;
else if ((key=='>') || (key=='.')) z_post += 0.1f;
else if ((key=='F') || (key=='f'))
{
filter += 1;
if (filter > 2)
{
filter =0;
}
printf("filter: %i", filter);
}
}
void mydisplay(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glLoadIdentity();
glTranslatef(0.0, 0.0f, z_post);
glRotatef(rot, 0, 1, 0);
glBindTexture(GL_TEXTURE_2D, texture[filter]);
glBegin(GL_QUADS);
//front face
glColor3f(1.0, 0.0, 0.0);
glNormal3f(0.0f, 0.0f, 1.0f);
glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
glTexCoord2f(1.0f, 0.0f); glVertex3f(1.0f, -1.0f, 1.0f);
glTexCoord2f(1.0f, 1.0f); glVertex3f(1.0f, 1.0f, 1.0f);
glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f);
//back face
glNormal3f(0.0f, 0.0f, -1.0f);
glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f);
glTexCoord2f(0.0f, 1.0f); glVertex3f(1.0f, 1.0f, -1.0f);
glTexCoord2f(0.0f, 0.0f); glVertex3f(1.0f, -1.0f, -1.0f);
//top face
glNormal3f(0.0f, 1.0f, 0.0f);
glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f,1.0f, -1.0f);
glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, 1.0f, 1.0f);
glTexCoord2f(1.0f, 0.0f); glVertex3f(1.0f, 1.0f, 1.0f);
glTexCoord2f(1.0f, 1.0f); glVertex3f(1.0f, 1.0f, -1.0f);
//bottom face
glNormal3f(0.0f, -1.0f, 0.0f);
glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
glTexCoord2f(0.0f, 1.0f); glVertex3f(1.0f, -1.0f, -1.0f);
glTexCoord2f(0.0f, 0.0f); glVertex3f(1.0f, -1.0f, 1.0f);
glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
//right face
glNormal3f(1.0f, 0.0f, 0.0f);
glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
glTexCoord2f(1.0f, 1.0f); glVertex3f(1.0f, 1.0f, -1.0f);
glTexCoord2f(0.0f, 1.0f); glVertex3f(1.0f, 1.0f, 1.0f);
glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
//left face
glNormal3f(-1.0f, 0.0f, 1.0f);
glTexCoord2f(0.0f, 0.0f); glVertex3f(-1.0f, -1.0f, -1.0f);
glTexCoord2f(1.0f, 0.0f); glVertex3f(-1.0f, -1.0f, 1.0f);
glTexCoord2f(1.0f, 1.0f); glVertex3f(-1.0f, 1.0f, 1.0f);
glTexCoord2f(0.0f, 1.0f); glVertex3f(-1.0f, 1.0f, -1.0f);
glEnd();
glFlush();
glutSwapBuffers();
}
void init()
{
if(!LoadGLTextures())
{
return;
}
glEnable(GL_TEXTURE_2D);
glShadeModel(GL_SMOOTH);
glClearColor(0.0f, 0.0f, 0.0f, 0.5f);
glClearDepth(1.0f);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
glLightfv(GL_LIGHT1, GL_AMBIENT, LightAmbient);
glLightfv(GL_LIGHT1, GL_DIFFUSE, LightDiffuse);
glLightfv(GL_LIGHT1, GL_POSITION, LightPosition);
glEnable(GL_LIGHT1);
return;
}
int main(int argc, char** argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutInitWindowSize(500,500);
glutInitWindowPosition(0,0);
glutCreateWindow("simple");
glutDisplayFunc(mydisplay);
glutKeyboardFunc(myKeyboard);
glutTimerFunc(100, myTimeOut, 0);
glutReshapeFunc(resize);
init();
glutMainLoop();
return 0;
}
但是当我运行它时我遇到了这个错误
我正在尝试找到关于-lglu / ld.exe的解决方案然后我找不到任何东西。
Glass.bmp已经在文件夹上，然后我尝试下载并将glaux.dll复制到MinGW / bin 并在我的项目中构建链接器：opengl32，glu，glut32
答案 0 :(得分：0)
您的链接器不知道在哪里可以找到您引用的库。
你必须告诉它在哪里找到它。最简单的解决方案可能是将您引用的库的libs目录添加到链接器的搜索目录中。确保链接器的目录与构建目标相对应（换句话说，不要链接x86并编译为ARM）。
