Why is PostProcess different on mobile and PC?

Development Platform & Builds Mobile
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1

I created post process material, which looks like depth fog. It looks like nice on PC, but as for mobile (Android ES 3.1), the background is black (fully transparent). How to solve it?

Screenshots:

  1. Post Process Fog Material

  2. Screenshot while rendering without ES3.1 Preview

  3. Screenshot while rendering with ES3.1 Preview

  4. Screenshot rendered without ES3.1 Preview (need to be)

  5. Screenshot rendered with ES3.1 Preview

1903×982 348 KB

908×592 446 KB

912×596 854 KB

907×526 23.5 KB

906×596 127 KB

2
  1. Post Process Materials for mobile applications can only fetch from PostProcessInput0 (Scene Color), Scene Depth, Custom Depth, and Custom Stencil with the following Blendable Locations.

324272-gagag.png
324272-gagag.png1218×689 215 KB

^^ Example.

  1. Set Blendable Location To Before Tonemapping

  2. Enable Mobile HDR

  3. r.mobile.tonemapperfilm=1 to the Rendering Settings section of your project’s DefaultEngine.ini file.

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