Improved Ambient Occlusion

Description

A simple mod that replaces the physically incorrect and fake screen space ambient occlusion with a more physically correct, precise, and detailed short-range directional ambient occlusion. This results in more precise shadowing, reducing the vanilla "blobby" look of ambient occlusion, including the typical black glow around objects and generally incorrect over-darkening. It adds finer detail between surfaces and even creates shadowing where the default technique cannot.

Oblivion Remastered uses two layers for ambient occlusion: Lumen's lighting (and the absence of light in dark areas), and a second pass atop it - by default consisting of effectively old-school SSAO, or with this mod, SRAO. SRAO and SSAO are mutually exclusive, meaning SRAO replaces SSAO, and continues to sit atop Lumen's ray tracing.

Per Nvidia: "Unreal Engine 5's short range ambient occlusion is basically screen space directional occlusion, which is useful for adding micro details around small areas that is hard to capture with the Lumen GI alone." (Edited for clarity)

Contemporary mid-range graphics cards will receive an imperceptible hit to performance.

Some other mods include this effect as part of a larger suite of changes. This mod only modifies ambient occlusion, and nothing more, for maximum flexibility.

Compatibility

Compatible with everything, but will be overwritten/overwrite the same settings in other Unreal CVAR mods depending on load order.

Installation instructions

Download the mod through your preferred mod manager, or drop the folder into Steam/steamapps/common/Oblivion Remastered, which itself contains a OblivionRemastered folder and executable.

Requirements

Requires UE4SS.

Uninstallation instructions

Simply remove the mod folder. Save files are not affected.

Enable Fog In Reflections

Lumen Reflections In Glass

Motion Blur Fix and Intensity Selection