嗨,大家好最近'學習opengl的基礎知識.. 所以不瞭解他們我試圖寫我的第一個程序。一開始,我嘗試使用允許爲繪圖調用創建緩衝區的函數。但鏈接器告訴我,這些函數是未聲明的。所以我嘗試與舊的(我想也許我錯了),它的作品。 所以我的代碼是與生俱來的glGenBuffers和所有的GL *函數以下OpenGl錯誤鏈接
#include <GL/glut.h>
#include <GL/glext.h>
#include <GL/gl.h>
#include <stdlib.h>
#include <stdio.h>
void reshape(int, int);
void display(void);
void keyboard(unsigned char, int, int);
int main(int argc, char** argv)
{
glutInit(&argc, argv);
glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
glutInitWindowSize(500,500);
glutInitWindowPosition (100, 100);
glutCreateWindow(argv[0]);
glClearColor(0.0,0.0,0.0,0.0);
glShadeModel(GL_FLAT);
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutKeyboardFunc(keyboard);
glutMainLoop();
return 0;
}
void reshape(int w, int h)
{
glViewport(0,0,(GLsizei) w, (GLsizei) h);
}
void display(void)
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
GLuint* i;
glGenBuffers(1,i);
glClear(GL_COLOR_BUFFER_BIT);
glBegin(GL_TRIANGLES);
glColor3f(1.0f,1.00f,1.0f);
glVertex3f(0.5f, 0.0f, 0.0f);
glVertex3f(-0.5f,0.5f, 0.0f);
glVertex3f(0.0f,-0.5f, 0.0f);
glEnd();
glBegin(GL_TRIANGLES);
glColor3f(1.0f,1.00f,1.0f);
glVertex3f(-0.5f, 0.0f, 0.0f);
glVertex3f(0.5f,0.5f, 0.0f);
glVertex3f(0.0f,-0.5f, 0.0f);
glEnd();
//glutWireCube(10);
glFlush();
}
void keyboard(unsigned char key, int x, int y)
{
switch(key) {
case 'l':
break;
}
}
問題。 這裏有海灣合作委員會COMMANDE使用
gcc -o cube main.c -lGL -lGLU -lglut
,這是錯誤
main.c: In function ‘display’:
main.c:40:3: warning: implicit declaration of function ‘glGenBuffers’ [-Wimplicit-function-declaration]
glGenBuffers(1,i);
對不起我的英語和感謝所有。
什麼操作系統(或發行版),您使用的? – saeleko
Ubuntu的最後一個版本 –