By Jon Porter, a reporter with five years of experience covering consumer tech releases, EU tech policy, online platforms, and mechanical keyboards.
26.09.2023 - 13:03 / wccftech.com / Ray Reconstruction
Cyberpunk 2077 2.0 and the Phantom Liberty expansion on PC have introduced NVIDIA's DLSS 3.5, which consists of Ray Reconstruction, a new feature available to all GeForce RTX GPU owners to increase the fidelity of ray tracing when upscaling from a lower rendering resolution.
While Cyberpunk 2077 and the other games confirmed to support DLSS 3.5 (Portal RTX and Alan Wake II) all use path tracing, Ray Reconstruction can work with all types of ray tracing, as NVIDIA's VP of Applied Deep Learning Research Bryan Catanzaro confirmed in the 'AI Visuals Roundtable' interview with Digital Foundry.
My opinion is that it works pretty well because actually it's much easier to do for easier settings. Path Tracing is the grand challenge, right? I think it works pretty well. I think the benefits are more clear, though, in path traced games, which is why we're focused on that. The base cost of 2 ms (on RTX 4090 at 4K) would be the same.
However, by default, Cyberpunk 2077 only allows users to enable Ray Reconstruction after switching Path tracing on. While that's by far the best way to experience Night City, it is also prohibitively taxing for nearly all graphics cards that don't support Frame Generation.
Luckily, there is a tweak that bypasses the default game's limitation, allowing Ray Reconstruction to be used with 'regular' ray tracing. The tweak was originally discovered by Twitter user @RayneYoruka. Here's how to apply it:
If the file somehow gets corrupted, enable and then disable path tracing as explained here.
Whereas Ray Reconstruction actually slightly improves performance in Cyberpunk 2077 when used with path tracing, using this tweak to get it running with regular ray tracing incurs a performance hit, as shown in the above video. However, the quality is significantly improved.
Cyberpunk 2077 modders also found ways to improve ray tracing performance and enable DLAA with Ray Reconstruction, as you can read in this report.
By Jon Porter, a reporter with five years of experience covering consumer tech releases, EU tech policy, online platforms, and mechanical keyboards.
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Nvidia DLSS 3.5, the latest addition to team green’s upscaling suite, has brought us an exciting, new feature calling Ray Reconstruction. Until now, the implementation of Ray Reconstruction in Cyberpunk 2077 2.0 has been limited to the taxing RT Overdrive mode, something the majority of GPUs can’t manage. But a new hack promises to bring Ray Reconstruction to the masses.
Ray Reconstruction is the latest shiny ray tracing feature Nvidia, it's come along as part of DLSS 3.5 and it's made the Cyperpunk 2077 2.0 update look absolutely gorgeous. On Nvidia graphics cards only, of course. And only for Nvidia graphics cards that are capable of delivering a decent frame rate in the incredibly demanding path-traced RT Overdrive mode.
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