Kingdom Come Deliverance 2 is going to feature some impressive animations, judging from some new gameplay footage that is making the rounds online.
26.04.2024 - 14:41 / techradar.com / Ray Reconstruction
If you’re a frequent gamer, by now you’ll have heard of ray tracing and NVIDIA’s DLSS (Deep Learning Super Sampling), two powerful tools that combine to boost performance in games and provide stunning visual fidelity by replicating realistic lighting and reflections. NVIDIA pioneered these technologies in gaming with the introduction of its RTX 20-Series graphics cards, and in the two hardware generations since then, the techniques and AI hardware behind them have improved considerably. With DLSS 3.5 and a new Ray Reconstruction system working hand-in-hand, ray-traced games can look all the more lifelike and run significantly smoother at the same time. So how do these technologies work?
DLSS has been an evolving technology. At its start, its focus was on rendering games at lower, easier-to-process resolution and then increasing the output resolution by filling in the gaps between pixels, giving gamers the benefit of sharper visuals with increased frame rates in lower resolution. NVIDIA managed this by training its AI model on high-quality game visuals so that it could understand what they should look like and know how to fill in the gaps when stretching a game’s lower resolution frames to higher resolutions. This process could also flipped somewhat with DLAA (Deep Learning Anti-aliasing), which can render at a display’s native resolution but use the same AI logic to figure out what an even higher-resolution frame would look like and then down-sample that to output an effectively anti-aliased image.
With DLSS 3, it introduced Frame Generation, which fills in pixel data between frames. While DLSS has always relied on the special Tensor Cores inside of RTX GPUs, which handle AI operations, DLSS 3 Frame Generation leverages even more hardware in RTX 40-Series GPUs, like Optical Flow Accelerators, to understand how objects in games are moving and intelligently blend between frames for extra smooth visuals. Combining the super sampling and Frame Generation tech in DLSS, can dramatically increase frame rates in games without a hit to visual quality.
Alongside these developments in DLSS, NVIDIA has continued to push forward its RTX ray tracing technology. Ray tracing remains a computationally intensive process, especially to get the most realistic results. It requires simulating a staggering amount of light rays and all reflections they make between a light source and the viewer, making it unreasonable to perform this for every pixel in every frame of a fast-running game. But taking a reasonable number of light ray samples produced a noisy image and entailed specially trained denoisers to get a usable image. Even then, the results could lack detail or have unusual ghosting artifacts, and the more denoisers
Kingdom Come Deliverance 2 is going to feature some impressive animations, judging from some new gameplay footage that is making the rounds online.
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