Single pass outline shader

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I'm trying to render the outline of a cube without diffuse, and I cannot seem to find a solution that allows me to render it as a single draw call such that can be batched. I've tried a number of outline shaders from the web, but they all involve a second draw call and thus can't be batched. Is this feasible to achieve? Are there alternative methods people have used to simulate the desired behavior?

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Answer by tanoshimi · Mar 05, 2015 at 06:47 PM

I think the reason why the only outline shaders you've found require two passes is because that's the only way it can be done...

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rustofelees · Mar 05, 2015 at 09:41 PM 0

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Thanks Tanoshimi. I suppose the only alternative would to build out geometry to mimic this look?

Single pass outline shader

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