Advanced Glass Shader

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Time for another update!

Blurred Glass

https://i.imgur.com/7CPm7dK.png

The new shader consists of a post-process filter and an example glass material. This shader will work with existing glass materials from Unreal Engine, with a few adjustments in the material details.

This shader is appropriate for archviz and gaming applications.

Three post-processing slots are provided for different blur behaviours and includes chromatic aberration for accurate hardened glass simulation such as coffee tables.

https://i.imgur.com/VRjREA1.png

https://i.imgur.com/ht4K6rZ.png

https://i.imgur.com/R5jfyV9.png

Instructions

Setup

  1. Enable “Custom Depth with Stencil” in your project settings
  2. Enable “Render after DoF” and “Custom Depth Writes” in your glass material details
  3. Add post-process material and add “BlurGlassPost” as a material post-processing effect
  4. For the highest quality glass set your glass materials to “Surface forward shading”, but this is optional
  5. Add a normal map to your glass material to match the blur parameters, e.g. frosted glass. This will help with specular behaviour.

Applying in world:

  1. Select your glass objects and check “Render custom depth” under “Render” in the details panel.
  2. Set their “CustomDepth stencil value” to between 1 and 3.
  3. Adjust the values for each stencil in the post-processing material instance as demonstrated in the screenshots above.

This update will be released very shortly!