Get more than 2x FPS in games with this one simple trick!

[Lopyt]

So there is a technique where a 3D renderer can generate fake frames at a low cost to give the illusion of higher framerate, by using parallax and the depth buffer for each pixel of the screen to kind of warp the view while the computer is generating a new real frame. This tends to generate black blobs where objects occlude each other, however, which is an awfully ugly artifact. You may be able to use some kind of motion blurring algorithm or AI reconstruction to make that area look more natural, or limit this parallax to motion that do not change the occlusion of objects. The black blobs that happen at the edges of the screen can be stretched too to compensate since information that far out is likely not very visually noticable most of the time. 


Since every 3D game has a depth buffer, is there a way to write an app that applies this technique to any game as a post processing effect for more smoothness and less stutter?

Are the cool dudes on OS good enough to make such an app? Information on this concept is difficult to find


Something similar is used often in VR games but I dont see much in not-vr stuff

[Arskari]

what I think would happen is that as your framerate gets lower, the artifacts would get progressively harder to deal with as the entropy between frames increases, which either requires more processing or accepting the artifacts will be there, instead of just putting that processing to working on rendering the regular frames faster
also gets worse with higher resolutions since it quadratically increases the amount of work needed to produce each interpolated frame
FSR and DLSS are the hot new thing right now with GPUs and they work by just rendering whatever at a lower native resolution for less work, then blowing those up to appear like they were rendered at a higher one; only works on supported GPUs and games right now but it's not impossible that in the future they'll figure out a way for GPUs to natively do it with anything

[Lopyt]

FSR and DLSS aren't very sharp. These artifacts arent so bad if you want to make 30fps look like 240, but temd to be much worse if you try to make 15 look like 30. The point is to remove stutter and input latency more than anything