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About this mod
This mod completely fixes the native HDR in this game (which is really just SDR). Also included are a suite of color grading tools and fine adjustments for effects such as bloom, sunshafts, lens dirt, depth blur strength, LUT grading strength, and even adds a custom new film grain (optional).
- Requirements
- Permissions and credits
- Changelogs
HDR Gallery
Images must be viewed with HDR enabled in Windows, and viewed in a compatible browser (chromium based browsers).
About
The native HDR for The Witcher 3 is quite flawed; it's not actually HDR. The game runs the exact same tonemapper as SDR which clamps to SDR range. The game gets brighter than SDR because post processing effects such as bloom/sunshafts happens after tonemapping. In SDR, this means post processing has detail that gets clipped away, which is why the HDR presentation has a little something for highlights, but still looks very SDR otherwise. This mod rewrites the tonemapper to blend the color of their tonemapper without clipping it and defers actual HDR tonemapping until after post processing occurs. Post processing shaders have also been adjusted to function correctly with this fundamental shift, while still looking faithful.
Installation
This mod requires the DX12 renderer to function!
That's it. The mod overrides in-game options, so adjust peak brightness and game brightness/paper white in the mod menu. Out of the box, the mod is configured to be extremely vanilla friendly. There's also an "HDR Look" preset with settings I've tuned (used for the screenshots above).
Compatibility
Images must be viewed with HDR enabled in Windows, and viewed in a compatible browser (chromium based browsers).
About
The native HDR for The Witcher 3 is quite flawed; it's not actually HDR. The game runs the exact same tonemapper as SDR which clamps to SDR range. The game gets brighter than SDR because post processing effects such as bloom/sunshafts happens after tonemapping. In SDR, this means post processing has detail that gets clipped away, which is why the HDR presentation has a little something for highlights, but still looks very SDR otherwise. This mod rewrites the tonemapper to blend the color of their tonemapper without clipping it and defers actual HDR tonemapping until after post processing occurs. Post processing shaders have also been adjusted to function correctly with this fundamental shift, while still looking faithful.
Installation
This mod requires the DX12 renderer to function!
- Download the addon from the files tab, as well as the popup for ReShade with full addon support.
- Install ReShade (run the setup and follow along with the installer. No shaders are needed.) and renodx-thewitcher3.addon64 to the location of the game's dx12 executable:
<install path>\bin\x64_dx12
3. To improve performance in some scenes, disable the generic reshade addons that are on by default (Generic Depth and Effect Runtime Sync).
That's it. The mod overrides in-game options, so adjust peak brightness and game brightness/paper white in the mod menu. Out of the box, the mod is configured to be extremely vanilla friendly. There's also an "HDR Look" preset with settings I've tuned (used for the screenshots above).
Compatibility
- Should be broadly compatible with weather/lighting mods! If you run into issues with any one in particular, please report it to me.
- Broadly speaking, this will be incompatible with ReShade presets. They may work okay enough, but use at your own risk. Almost all ReShade effects are made for SDR.