@AM-Gamer:
"The water quality on the console is one step below the max settings according to DF "it's equivalent to the high preset" . So the console version has tesselation in the water as well."
This is what DF claims:
"Added to that, physics are greatly improved on the PC release. Water quality is set to high on PS4 and Xbox One, enabling water simulation that has boats rocking with oncoming waves. However the water detail is of a much higher quality on PC, with ripples rendered with a higher precision grade of tessellation. Nevertheless, console users still get a good return here; anything less than the high setting looks very strange indeed, with boats and characters entirely unaffected by the tide. in nvidia hairworks was a paid gimmick by nvidia made exclusively on PC and even runs bad on capable AMD cards."
The high preset enables water simulation, as DF mentions twice, but claiming the high preset's 32x tessellation when DF states that it is lower than the PC is speculation. You'll have to argue that they were comparing to ultra instead of high, which throughout the article they broke down the custom console settings in relation to the PC presets (the foliage section for example). Even more convincing is that older AMD hardware architecture is abysmal at performing tessellation. Imagine 32x water tessellation with the addition of foliage and NPC's in the swamps or island levels, the framerate would single digit. Sure, like the texture filtering, it is more ambiguous, but unlike the AF settings, too much evidence points towards borrowed configurations from the PC high preset, similar to the claimed "high foliage."
https://www.youtube.com/watch?v=SBvNzISb8uQ (The water section is 3/4 the way through the video)
https://www.youtube.com/watch?v=GUtquPxjp7w (skip to 2:15ish)
Video evidence further supports reduced tessellation on the PS4 copy. Side by side the high preset and ultra are almost indistinguishable even at close range. Youtube videos are compressed, but even at a distance, the PS4 water is very noticeably more two dimensional then PC ultra, and PC high although with similar animations. Other videos in different scenes support similar hypothesis. DF was most likely comparing PS4 tessellation to PC high, not ultra.
"Tesselation in nvidia hairworks was a paid gimmick by nvidia made exclusively on PC and even runs bad on capable AMD cards."
Irrelevant. It's tessellation.
Also from DF:
"By comparison, PS4 and Xbox One treat each of these variables individually; trees use an equivalent to its medium setting, while foliage is on high, and shadow draw distance is low. It's a hybrid setup that can only be matched on PC by tweaking its .inifile variables manually." and "The Umbra 3 plugin in particular is crucial to performance, defining the parameters at which objects become visible, and culling detail intelligently (using a frustum) on PS4 and Xbox One to keep pop-in as discrete as possible."
It is reduced in quality compared to the PC high foliage preset, therefore it is not on high. It is running an enhanced medium at best. Low shadow draw greatly effects the overall image.
Framerate effects visual quality of scenes in motion, and is a preset setting on the PC version, which we are comparing it to. The PS4 often fails to meet 30fps, and this should be considered lower than medium because the console is scaling it back, similar to occlusion culling of assets. If a PC player was experiencing less than 30, they would usually drop settings. Medium/low is more accurate than medium/high.
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