Hello everyone, this is maybe a dumb question but it seems I just can't find an answer.

I did a nice little SweetFX preset for Skyrim and I'm now looking into adding some Enb's effects to it.
Problem is, Enb comes with contrast/brightness tweaks by default, messing with my carefully tuned SweetFX's HDR and stuff.
Trying to rebalance those values with Enb would probably be a mess and degrade image quality, and I dont wish on the the other hand to give up my SweetFX settings, as they took me hours to set right.

Long story short: is there a way to totally disable Enb's contrast/brightness adjustments, without disabling every effects ?

Ah well, I managed to get rid of brightness but I'm still struggling to get the total vanilla look before anything else. Some light tweaks must be hidden sowhere ...

Well, you didn't say which ENB version you use so I can only guess. I'll suppose that you use the Skyrim ENB version with all these fancy shaders, so you'll first have to know what these are doing:

enbeffectprepass.fx - mostly used for DOF, no color changing effects mostly
enbbloom, enblens.fx - used for bloom and lensflare computing, also no color changes
enbeffect.fx combines image with bloom, applies tonemapping etc.

As you can see, it'll be the enbeffect.fx messing with your colors. Sadly, you can't just delete that file because that would destroy the whole postprocessing ENB does. You'd need HLSL knowledge or know someone who has it in order to clean up that file of all code and add your own.

Contrast and brightness is not modified by ENBSeries with default setting. Incorrect to speak about this parameters for hdr tonemapping, it's not ldr image editor. I even don't know how in terms of brightness and contrast to not modify them, output linear space hdr image or what? In case of vanilla post processing look, set in enbseries.ini UseOriginalPostProcessing with my default enbeffect.fx, it's the only right way.

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Thank you guys for these precise answers.

In the end it was the Enb sunlight wich made me think brightness was altered even with UseOriginalPostProcessing