drawing aliased lines

Question

I would like to draw wireframe objects using simple aliased lines. I have managed to do it using GL_LINES and turning off MSAA. However t$$anonymous$$s only works in 2D view. Switc$$anonymous$$ng to 3D always starts to antialias drawing.

What are my options here? Project and draw lines using GUI? Is there any other approach avaiable?

Answer 1

Answer by rostok · Feb 11, 2018 at 11:34 PM

Okay, drawing aliased lines with GL_LINES works flawlessly with MSAA turned off. As I wanted to have only edges of objects visible but not totally transparent I first draw black triangles using MeshRenderer and then draw the outline in an overrinden OnRenderObject function.

I had a problem with z-fighting between those two shaders. Separating their queues and modifyinf Ztest yielded no results. My finals solution was to use Offset 1, 1 on my black shader. Other settings (like -1, -1 on wireframe shader) didn't work.

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