Actually what cost more Vertex Display or Shader calculations?
During the history of video games and graphics engines due to hardware limitations of beginning, we always heard the mantra about the amount of poly count VS shader techniques.
I wonder if these days, where a mesh "low poly" from a sofa for example, is around 5k poly, it is really effective to use shaders to do both reliefs and details. Would not it be "cheap" for hardware, making these details directly on mesh (up to a certain limit)?
I'm doing tests with my hardware, and it seems very similar performance between the two cases, using Hires meshes as architectural / rendering with strealy simple material and a low poly version and a complex material.
What is your opinion about it?
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answered Oct 15 '14 at 07:44 PM
You can also use Dx11 tessellation to only add the extra detail when you want it, providing automated continuous LOD by distance.
You are using a material to add vertices / geometric detail!
Fully supported in UE4!
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