rvsjoen

#include <GL/glut.h>#include <cstdio>#include <cstdlib>#include "util_graphics.h"GLuint texture;void loadTextures(){	unsigned char* data;	unsigned int width;	unsigned int height;	unsigned int components;	glGenTextures( 1, &texture );	glBindTexture( GL_TEXTURE_2D, texture );	data = loadJPEG("textures/road.jpg", &width,&height,&components);	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, data);	free(data);}void draw(){		glEnable( GL_TEXTURE_2D );		glBindTexture( GL_TEXTURE_2D, texture );		glBegin(GL_POLYGON);		glNormal3f(0,0,1);			glTexCoord2i(0,0);			glVertex3i(0,0,0);			glTexCoord2i(0,1);			glVertex3i(0,1,0);			glTexCoord2i(1,0);			glVertex3i(1,1,0);			glTexCoord2i(1,1);			glVertex3i(1,0,0);		glEnd();		glDisable( GL_TEXTURE_2D );}void display(){	glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );	draw();	glFlush();	glutSwapBuffers();}void reshape(int w, int h){    glViewport(0, 0, w, h);    glMatrixMode(GL_PROJECTION);    glLoadIdentity();	glOrtho(-2,2,-2,2,0,10);	glMatrixMode(GL_MODELVIEW);    glLoadIdentity();}void init(){	glEnable(GL_DEPTH_TEST);	glEnable(GL_NORMALIZE);	loadTextures();}int main(int argc, char **argv){	glutInit(&argc, argv);	glutInitDisplayMode( GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH );	glutInitWindowSize(1280,800);	glutInitWindowPosition(100,50);	glutCreateWindow("Øving 6 - Racetrack");	glutDisplayFunc(display);	glutReshapeFunc(reshape);	init();	glutMainLoop();	return 0;}