You can export post-process material data into the Reality API. By using post-process materials, you can render your post-process material on a POST-PROCESS node in Reality API. You can create several post-process materials and combine them into Post Process node.
To create a new post-process material, Click ADD NEW → MATERIALS & TEXTURES → MATERIAL. You can rename the material.
Double click on material that you created. On Details panel, click Material Domain and select Post Process.
Right click into graph and search for constant. Click the Constant to create.
Click constant. Set constant value to 0.3
Connect the output pin of the Constant to the Emissive Color input of the CustomPostProcessMaterial node
Click EDIT → PROJECT SETTINGS
Scroll down, click Exports under the Reality tab.
Click on the ➕ button under Post Process Materials, expand the index. Select post-process material that you created. You can give an export name for your post-process material.
Launch the Reality Setup.
Click Play on Reality Editor.
Open the nodegraph. Click CREATE → UE RENDER → POST PROCESS MATERIAL
Click POST PROCESS MATERIAL node. Expand the MATERIAL property and select the material you created
There are several custom post-process materials already defined. (RealityDistort, RealityBypass, RealityTonemapper)
Click ADD MATERIAL on POSTPROCESS node.
Connect the OUTPUT pin of the POSTPROCESS MATERIAL into MATERIAL input pin of the POSTPROCESS node
We learned how to create a new post-process material on Reality Editor and how to set it up in Reality API. Post-process materials are useful to render any POSTPROCESS node.