I'm having trouble with hidden line removal in OpenGL 4. I use a vertex/geometry/fragment shader to draw the lines. I call
before I draw the lines, and it works, sort of. Attached is a screenshot. Is there a better method? I tried other methods, but they all suffer from the limitation that lines are stuck at 1 pixel wide.
What happens is that I draw the filled triangles, then I draw over top of that with lines (3 lines per triangle, one per edge). These edges show up when the view angle is almost parallel to the surface.
I don't want the black lines showing up.
Please let me know if you wish for more code.