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Re: Which PBR is actually PBR?
For real? Both Matches Unreal? Let us know. Any idea? Somewhat. Every real-time render is opinionated, they all make tradeoffs. Also, PBR shaders all have different approximations, because PBR is not a perfect science. It’s much much better than the old Diffuse/Specular/Guessing method. But it’s still open to… -
Re: Which PBR is actually PBR?
Most likely it's related to the IBL sampling which can have a fairly significant impact on perceived roughness without actually breaking the maths - in theory it can interfere with the amount and diffusion of the light coming from the sky It's something that can be worked around but I suspect that supporting panorama…
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