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Is there a way to capture HDR with postprocessing?

For instance, with SceneCapture2D actor, I get postprocessing effects with the capture source set to "Final Color (LDR) in RGB).

But if I set it to 'SceneColor (HDR)' ones, I get HDR images, but without any postprocessing. (Even if I set the postprocessing material's blendable location to 'Before Tonemapping', it doesn't get any postprocessing.)

Is it a feature not yet supported? Or is there a way to do it? If not, can you please point me to the relevant cpp files where I can implement this feature?

Product Version: UE 4.17
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asked Aug 31 '17 at 06:58 PM in Rendering

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avatar image Calibanul Oct 22 '18 at 06:34 AM

did you manage to solve this? I m also interesting if this is possible

avatar image LiorML Nov 19 '18 at 08:00 PM

Me three! Is there any way to get post process as hdr?

avatar image Gravenface Feb 21 '19 at 10:24 AM

Have the same problem

avatar image LiorML Feb 21 '19 at 11:06 AM

From what I understand, it's probably impossible since (almost all) post process passes is performed after tonemapping as LDR render targets.

avatar image Gravenface Feb 22 '19 at 12:51 PM

Thank you, guy. I was wondering that post process with alpha support will solve problem with inverted alpha with capture source setting "SceneColor (HDR)... Inv ... A". I want to invert alpha on GPU. But it seems I have no option to do that.

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