Russian DLSS 5 experimenting YouTube channel Valery Kryzhanovsky showcases the MS-DOS version of Pac-Man with 4x Multipass in four different rendering modes. The video shows weird and glitchy effects, with some rendering modes completely removing green Inky’s eyes and the dots.
This cursed experiment is another attempt at putting DLSS 5 in games it wasn’t designed for, nor are the games designed to use such upscaling technology. While Nvidia’s leaked upscaler has been used for modern 3D games it’s designed for, it has become a meme to run it in games that aren’t even 3D at all, and some attempts aren’t even games at all.
Valery was able to do this by running Pac-Man through the MAME arcade emulator and using ReShade to inject DLSS 5 into the graphics pipeline, and RenoDX to allow the DLSS 5 parameters to be tweaked. Valery emphasizes that this is not native, and of course it isn’t; the game was never designed to accommodate anything like it — that’s why it needed to be injected externally.
Valery elaborates why 4x Multipass is needed in his blog post , saying that 1x basically does nothing for some older games. Multiple passes are needed in order for the changes to stack up, stating that this usually makes it look bad, but in some cases, photorealism could be achieved. However, for Pac-Man, there is basically no 3D information DLSS 5 could gather. The game is flat, and it has barely any human-like features for DLSS to enhance, except eyes, which is probably why it gave it sunken eye bags or cheekbones, as Valery described in the description of the video.
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