Scene capture 2D: single capture with post processing material

[Ceriatinho]

I think I have still the same issue in Unreal 4.27 and Unreal 5.
Is there a workaround?

For now I am just disabling the scene capture from the scene, and then when it is needed:

sceneCapture->SetVisibility(true); // to capture
sceneCapture->SetVisibility(false); // to deactivate back

but I am not sure this has a relevant effect on performances.
There is this related topic too:

How to reduce the fixed overhead of a SceneCapture?

We have a large number (~10) of security cameras that have to be visible at the same time. These use SceneCapture2D actors and have a very large impact on the overall FPS. While trying to optimize these, I noticed that a number of options such as their resolution and post post-process settings have very little influence. Even at 1x1 pixels they cause a very large performance hit, which seems to indicate that they have quite a large overhead per SceneCapture. One area that I suspect to cause th…