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Usage scenarios for PostProcessInput1?

When creating a post process material there is an option in SceneTexture node to select as output PostProcessInput1-6. It's stated it's "usually not used". It's very intriguing. What's it for and in what scenarios it should or could be used? And how?


Product Version: UE 4.13
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asked Jan 05 '17 at 02:04 PM in Rendering

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avatar image Stephane Roncada Jan 12 '17 at 02:06 AM

I have been wondering the same thing for a while and can't figure it out either! Any insight will be very appreciated.

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All I can find so far is from here

Replacing the Tonemapper:

PostProcessInput0 provides the HDR scene color, PostProcessInput1 has the SeparateTranslucency (Alpha is mask), PostprocessInput2 has the low resolution bloom input.

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answered Mar 28 '18 at 04:10 PM

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