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SSR Without Antialiasing

Hello! I have the following problems. I actively use SSR in my project, there will be a lot of reflections with it. I have a low-end computer, in fact the laptop, GPU is GT540M, but I still have enough. The problem is related to SSR when anti-aliasing is turned off completely. It can be through a quick selection panel for graphics settings by set anti-aliasing to low, or maybe through the render settings. When the TAA is enabled, there are no problems with the SSR. It is only necessary to set the anti-aliasing to low - so it immediately shows that SSR starts to give a terrible trace, from which - I do not understand, therefore I ask for your help. I'm making a game with the ability to disable anti-aliasing, so I really need a solution to this problem. I will provide a video file on YouTube - everything will be seen there, thanks


Product Version: UE 4.18
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asked Feb 21 '18 at 12:55 PM in Rendering

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The nature of SSR is such, that they use previous frame for reflections. At low FPS and without TAA the lag can be extreme. First and most important recommendation would be to have a stable high FPS. Secondly, you have r.SSR.Temporal 1 console command. Thirdly, you can edit quality presets/SSR shader file to have higher number of rays for SSR, but this is unlikely to be an option, since you are already suffering performance issues.

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answered Feb 21 '18 at 01:46 PM

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avatar image VanderAGSN Feb 21 '18 at 03:28 PM

Yeah, but it's perfect worked with antialiasing, which contradicts itself. On the contrary, without "AA" it's should be worked faster. As a result, I get the out-of-sync in rendering SSR reflections.

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