Topic on Talk:Hitman World of Assassination

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This occurs irrespective of any vertical sync settings. It even happens when disabled, even when the frame rate exceeds refresh rate.

The notoriety of the issue is when there are multiple reflections loaded across parts of certain rooms. Since one mirror reflection equals one hitch, multiple reflections can or will lead to multiple hitches in quick succession if the camera pans across them. While a hitch happening for every lone mirror can be distracting enough for players, this will become considerably more distracting under extreme circumstances.

In the following video example, reflections are being rendered somewhere in the Marrakesh consulate building. As the camera pans across the room, we can observe numerous frame rate spikes happening within one or two seconds of each other, as opposed to a single spike happening from more isolated conditions. Naturally, these hitches disappear when reflections are turned off. Special K's frame rate graph was used here instead due to its higher precision.

streamable.com/u6snye

From what I can tell, this also doesn't exactly appear to be a matter of giving the game waiting time to handle the rendering, because reflections are often perfectly visible, without any apparent loading needed, for several milliseconds before the hitching actually happens.