Satellite5
Topic Author
Posts: 3
Joined: 18 Mar 2023, 22:10

Noesis breaking SceneCapture2D Alpha in Unreal

19 Mar 2023, 17:24

It appears that just adding the plugin to Unreal (v5.11), not even adding a UI or adding a view to the scene, causes SceneCapture2D alpha to not capture at all (the viewport captures as fully opaque). Just to add, color captures fine, just the alpha seems to not get properly captured.

Am I missing something, is there something I need to change on either the SceneCapture2D instance or with Noesis to get this working?

Thanks.
 
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hcpizzi
Site Admin
Posts: 331
Joined: 09 Feb 2012, 12:40

Re: Noesis breaking SceneCapture2D Alpha in Unreal

20 Mar 2023, 12:44

Hi,

Sorry, it's an oversight caused by the code used for the BackgroundImage feature in 3.2.

Could you please try adding these lines at the beginning of PostRenderViewFamily_RenderThread in NoesisInstance.cpp?
		if (InViewFamily.Views[0]->bIsSceneCapture || InViewFamily.Views[0]->bIsSceneCaptureCube)
			return;
 
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hcpizzi
Site Admin
Posts: 331
Joined: 09 Feb 2012, 12:40

Re: Noesis breaking SceneCapture2D Alpha in Unreal

23 Mar 2023, 16:51

Hi Satellite5,

Did you get the chance to try this out? Did it resolve your issue?

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