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#Horizon zero dawn ps4 movie
"There are maybe ways to also do that but we focus mainly on the detail, so compared to maybe a really rough or a really clean 4K native rendering of a CG scene I guess our game doesn't have that same crispness, but then again if you look at a typical 4K movie it doesn't have that crispness either. "We concluded for us it made sense to go for the method of rendering that gave us the most detail - because interestingly enough even though you only render 50 per cent of the pixels on each frame, after two frames you do get the detail level, though not per se the same sharpness as 4K," explains de Carpentier.
#Horizon zero dawn ps4 1080p
However, every natively rendered pixel - be it 1080p on base PS4 or checkerboard 2160p on Pro - also benefits from 4x temporal super-sampling.
#Horizon zero dawn ps4 full
And to be clear, checkerboarding in the case of Horizon involves rendering half of the pixels for the full 2160p frame, the other half resolving via reprojection from the previous frame - a process that Giliam says provides a "native resolution detail level", if not quite the sharpness. In terms of native rendering, the team gave 1500p a shot, but weren't fully satisfied with the results. Pro and HDR support was integrated into Horizon relatively late into the game's six-year development, and Guerrilla experimented with several higher resolution strategies, trying them out side-by-side before settling on 2160p checkerboard. "And obviously the PS4 Pro is a lot more powerful than the standard PS4, but rendering natively would have been too much to ask, perhaps."
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"Well, let's start at our regular 1080p year rendering - we have a strong focus on anti-aliasing so whatever technique we wanted to use for having 4K rendering also needed to be at that same quality," says de Carpentier. The native 1080p output on base hardware scales up to 2160p on Pro, using a custom implementation of checkerboard rendering, but Horizon's presentation is so clean, so solid, so convincing, it passes for the 'real thing' - so how was this achieved?Ī while back, Digital Foundry spent the day with Guerrilla Games in Amsterdam, discussing the technological make-up of the game, our visit kicking off with an in-depth talk with principal tech engineer Giliam de Carpentier on how the studio got to grips with the PlayStation 4 Pro hardware. Guerrilla Games' Horizon Zero Dawn not only raised the bar in terms of technical accomplishment on current generation console hardware, it handed in the best 4K HDR presentation we've seen from any PlayStation 4 Pro title.