NVIDIA RTX HDR Brings AI Powered HDR to SDR-Only PC Games; New Game Ready Driver Is Optimized for Nightingale
Today, NVIDIA announced and released the brand new eponymous app that aims to unify the functions of GeForce Experience and the old Control Panel under a new, sleeker hood.
You can read all about the NVIDIA app in the article published by our Hardware section. Here, though, we'll focus on the two most interesting AI-powered filters available starting today.
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The RTX HDR is easily the star of the show here. It was actually discovered in a previous Game Ready driver release and exposed by modder emoose, who previously brought PC gamers the DLSSTweaks wrapper that forces DLAA support in games with DLSS. The most crafty PC users already checked it out with that mod, but it's now available to everyone in an easy and accessible way.
NVIDIA said that only 10 of the top 50 most played games on GeForce hardware offer native High Dynamic Range support. This AI-powered Freestyle filter aims to automatically implement HDR in countless SDR-only games powered by DirectX 9, DirectX 11, DirectX 12, and Vulkan.
The requirements are fairly straightforward. You'll need Windows 11 (OS build 22621), an HDR display connected to your PC, an RTX 20+ graphics card, and the 551.52 driver at the minimum. In-game HDR, if at all supported in the game, should be disabled, as should Microsoft's similar Windows AutoHDR. As for the games, they'll have to be in full screen mode to utilize RTX HDR.
Officially, NVIDIA also said Dynamic Super Resolution (DSR/DLDSR), NVIDIA Image Scaling (NIS), and Fast Sync should be disabled before activating RTX HDR. However, I was able to make it work even with DLDSR enabled in ArenaNet's Guild Wars 2. As you can see below, you can tweak the following parameters via the overlay:
- Peak brightness (up to a maximum depending on your display's luminance capabilities)
- Middle grays (nits)
- Contrast
- Saturation
RTX HDR works great for an all-encompassing AI filter. Of course, a native and
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