Make SSAO correct

[CodingJellyfish]

How could the current SSAO avaliable to users?

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[CodingJellyfish]

Before:

After:

[Alayan-stk-2]

The SSAO visualization looks a lot better with the changed code! I'll have to test in-game to see the effect of the change on the general look of a track.

Obviously a more correct implementation is preferred, but are you expecting a change in performance behavior? I guess we'll have to test, it's useful to know about even if it won't change the decision to merge.

[CodingJellyfish]

The SSAO visualization looks a lot better with the changed code! I'll have to test in-game to see the effect of the change on the general look of a track.

Obviously a more correct implementation is preferred, but are you expecting a change in performance behavior? I guess we'll have to test, it's useful to know about even if it won't change the decision to merge.

The performance is overall doubled.
Edit: Theoretically. Actually slightly worse because the old one is lame.
Edit again: Now it should be better than before.

[CodingJellyfish]

Now it looks like