ARFoundation 3.1.0 and URP 7.1.5 - Black Camera Feed (but can see 3D objects)

Unity Engine
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1

Hi all

I’m running 2019.3.0b12 and URP 7.1.5

On a new blank project with only a single cube added to the scene and going through creating the ARFoundation URP Asset Pipeline etc, I get a black camera feed when running the project
I can see the cube fine, but the background is totally black

Tried with
Samsung S7 (Android8)
Samsung A30 (Android9)

Same result, black background on both phones

The ARF Samples run fine and any non URP project I create. As soon as you switch and enable URP however, this black background :frowning:

2

5227649--521237--upload_2019-11-29_18-9-2.png
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3

5227655--521240--upload_2019-11-29_18-9-47.png
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4

For the Quality setting however, its not clear if the URP Asset should be default, or also set to the one I created for ARFoundation:

5227658--521243--upload_2019-11-29_18-10-55.png
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5

Also tried with 2019.3.0f1 and URP 7.1.6

:frowning:
But same thing. Cam feed is black
:frowning:

6

Updating to 2020.1.0a14 makes no difference
:frowning:

7

I have the same problem, its so frustrating…

8

I had the same problem, this post helped me get everything working again:
[Configuring AR Foundation 3.0.0-preview to work with LWRP or URP]( Configuring AR Foundation 3.0.0-preview to work with LWRP or URP page-2#post-5459841)

9

A solution for the black camera background

Unity Version 2019.3.1f

  1. Create a new Universal Template Project
  2. Install AR Foundation (3.1.0 Preview 4) / ARCore XR Plugin (3.1.0 Preview 4)
  3. Build Settings → Switch Platform to Android
  4. Project Settings / Player → Remove Vulkan from Graphics API
  5. Project Settings / Player → Set Minimum API Level to 24
  6. Create a Folder “Rendering”
  7. Add a UniversalRenderPipline Asset
  8. On the URP Asset Renderer → Add a Renderer Features → NewARBackgroundRenderFeature to the Asset
    9 Project Settings / Graphics change the Render Pipline to the newly created
  9. Create a new Scene
  10. Delete Main Camera
  11. Add a Cube
  12. Add AR Session
  13. Add AR Session Origin
    -----> Build and Run → Black Camera Background

Final Step: Under Quality set the Level to Medium and set the Rendering to None (Render Pipeline Asset)
-----> Camera Works

I don’t say i understand why this is the case but for me it worked :wink:

10

Hi,
Your solution simply disable the SRP for the medium quality settings (and by the way use the legacy renderer). That’s why the camera feed is working that way.

But Unity indicates a solution in the ARfoundation manual to use URP with ARFoundation and fix camera feed.
Hope it helps.