CLion: OpenGL Configuration

void render() {

glClear(GL_COLOR_BUFFER_BIT);

glBegin(GL_TRIANGLES);

glVertex3f(-0.5f, -0.5f, 0.0f);

glVertex3f(0.5f, 0.5f, 0.0f);

glVertex3f(0.0f, 0.5f, 0.0f);

glEnd();

glFlush();

}

int main(int argc, char *argv[]) {

glutInit(&argc, argv);

glutInitWindowSize(480, 320);

glutInitWindowPosition(200, 100);

glutCreateWindow("OpenGL Demo");

glutDisplayFunc(render);

glutMainLoop();

return 0;

}