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Apply tonemapping on a hdr texture


I captured the scene using a cubemap render target and converted the cubemap to a 2d panorama texture using a resolution I specified(2048*1024 for example) by following some example in source code. Since the captured result is in hdr format, I have to run a tonmapping pass on it to make it LDR. How to run the tonemapping pass alone for the texture? In the source code, tonemapping is part of the post processing. Can I use the existing tonemap shader and run it with my texture as input?

Thanks a lot!

Product Version: UE 4.12
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asked Jun 18 '17 at 10:15 AM in Rendering

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avatar image hyuan Jun 19 '17 at 03:02 AM

Any suggestion or help is much appreciated.

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