I try to use the following code to draw a square-shaped pixel with opengl

glPointSize(5.0f);
glBegin(GL_POINTS);
glVertex3f(1.0f, 1.0f, 1.0f);
glEnd();

However, the final result is a circle-shaped pixel.

Please take a look the reference http://risknfun.com/compform/w1.html See the "Problem 4. A Grid". On the right side, the display image has square-shaped pixel.

opengl
Edit
Report