/* simple.c */

#include <GL/glut.h>

void display()
{
	glClear(GL_COLOR_BUFFER_BIT);
	glColor3f(1.0, 1.0, 1.0);
	glBegin(GL_POLYGON);
	glVertex2f(-0.5, -0.5);
	glVertex2f(-0.5, 0.5);
	glVertex2f( 0.5, 0.5);
	glVertex2f( 0.5, -0.5);
	glEnd();
	glFlush();
}

int main(int argc, char** argv)
{
	glutInit(&argc, argv);
	glutCreateWindow("Simple");
	glutDisplayFunc(display);
	glutMainLoop();
}