4 ms·
> the terrain The OpenGL version looks really aggressively bump mapped. The Cycle's version doesn't appear to have any bump mapping enabled. Edit: The depth o
by santaclaus 9y ago
> the terrain
The OpenGL version looks really aggressively bump mapped. The Cycle's version doesn't appear to have any bump mapping enabled.
Edit: The depth of field in the Cycle's version also looks a bit weird, and blurs away most of the terrain's detail.
- jcl 9y agoThe OpenGL version is using parallax mapping, where the pixels of the flat plane are rendered by ray-marching into a depth map: https://github.com/kosua20/GL_Template/blob/3de4e116cdd24df300fda42326a7a4e431f7f861/ressources/shaders/plane.frag https://github.com/kosua20/GL_Template/blob/3de4e116cdd24df3... The cycles version, on the other hand, is actually using the depth map to displace a high-res mesh -- a more general technique that should yield results as good or better than parallax mapping. I'd chalk up any perceived differences to lighting and material parameters.
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