Anti Aliasing

[PurSpyk!!]

Hi,

I have the game running at 4K, with all the settings on the highest, but for some reason there are places where anti aliasing does not seem to be working. Using 2 x Titan X graphics cards, Windows 10, latest Geforce 382.53 drivers.

I have even tried to use Reshade, which also seems to make no difference, any idea why this is happening, I dont remeber this happening when I originally played the game?

[Tesityr]

If it makes you feel any better, I am experiencing this too...

It's odd because you can see a scene where, for example, you can see obvious correction going on (a scene that you can compare with AA turned off), and yet there will be a few 'lines' that are aliased still ('stair stepping') in one spot, in that scene/area/view.

I wonder why noone can develop a game engine where, instead of software 'guessing' at the edges of things and trying to 'hide' the aliasing of them, why not have the game engine TELL the GPU:
"THIS IS AN EDGE, I KNOW IT BECAUSE I AM RENDERING THE POLYGON BOUNDARIES" and so then the AA only 'corrects' those boundaries and does not have to "guess" and do calculations on any textures or other visual elements? Wouldn't that eliminate texture blurring and softening?

I mean, wouldn't that be the quintessential way to do Anti-Aliasing..?

[Randox]

I think it's a problem with deferred rendering (common to most DX 11 games). It's the order things are done in. You'll have to look it up or wait for someone who knows their rendering systems a lot better than I do, but basically, in a deferred rendering system, by the time anti aliasing is done the information that would tell the algorithm where all the edges are is gone, and all it has to work with is contrast and the z-buffer.

You can find a brief explanation and some links in this wikipedia article: https://en.wikipedia.org/wiki/Deferred_shading

In older titles that use DX9, most of then have MSAA, which doesn't have this problem. It runs much earlier in the pipeline, when information out the seperate objects is still available, so no guessing needed.

I'm sure there are lots of great things about deferred rendering, but I truly hate the loss of proper anti aliasing. Nvidias TXAA is pretty damn good, but for some reason the dingbat who designed it decided that it would be cool to have it blur static objects. You'll actually catch it in some games wen you stop moving the camera, and it will switch from a lovely crisp alias free picture for moving objects to a 'Vaseline Vision' for static scenes. They crafted a near perfect replacement and then ruined it.

You can however still use the oldest and best looking AA method: super sampling. Super sampling renders the scene to a higher resolution than the monitor and then down samples. The catch is that it requires a huge amount of computational power, which is why almost no games include it as an option. Both AMD and Nvidia have options for this in their GPU control centers. 125% normal resolution should be enough to get a decent effect, 150-200 will do a lot of you can run it.

[PurSpyk!!]

Does supersampling even work with this game, I have tried various options, and it seems to not work.

[Yhwach]

https://www.reddit.com/r/fo4/comments/3ta1tn/the_best_antialiasing_setup_for_fallout_4/
http://sfx.thelazy.net/games/screenshot/33081/

[Tesityr]

Originally posted by PurSpyk!!:

Does supersampling even work with this game, I have tried various options, and it seems to not work.

Although you can tell the game to use DSR/VSR (nvidia/amd), it must not be 'true 4k' because it looks rough with Aliasing still very present.

Edit:
Just tested it and must not be true 4k in how the engine renders, as ALT+TABbing out of the game and back again it only then updated in a small window that was 1/4 of the screen. No wonder there is still bad jaggies at 4k...
http://steamcommunity.com/sharedfiles/filedetails/?id=950329883

[Punda Bar]

seems there's always a tradeoff with AA, regardless of if it's bluring like with FXAA/TXAA or ineffective against some types of aliasing (MSAA) or just plain painful in the wallet (4k monitor and really beefy GPUs)

Truely rendering it at higher resolutions, and displaying it as such is the most effective, but also the costlist from a number of standpoints.
I normally use TXAA or TAA if the game supports it, but a big factor my be that my eyes aren't super-sharp, and so the blurring that this type of AA does is less damaging to my perspective than it may be to others.

[Randox]

Strait SSAA probably doesn't work, no. For AMD I think it's called virtual super resolution or something. It shows windows a higher resolution and downsamples internally as the final step. I think that will work.

[EchoSON]

Your jaggies are worse than mine, I play at 2560x1440
TAA in the fallout launcher
Nvidia
FXAA is off
AA is application controlled
AA transparency is off
Texture filtering ASO is on
Negetive LOD bias in set to Clamp
Trilinear Filtering is on quality
Trilinear optimisation is On...
16x AS filtering in the launcher
... cant think of any other maybe relevant settings.
God rays on Ultra (can cause some weird lookin edges otherwise)
Game looks awesome.

[TJ the HedgeScout]

How does FXaa work and Taa? Is like FXaa give you 50% edge smoothness?

[EchoSON]

With the settings above
http://steamcommunity.com/sharedfiles/filedetails/?id=947791115
http://steamcommunity.com/sharedfiles/filedetails/?id=947791217
http://steamcommunity.com/sharedfiles/filedetails/?id=947791013
http://steamcommunity.com/sharedfiles/filedetails/?id=950534057

[EchoSON]

Originally posted by TJ the HedgeScout:

How does FXaa work and Taa? Is like FXaa give you 50% edge smoothness?

I wouldnt have them both on, but fxaa isnt great in this game... really jaggy

[TJ the HedgeScout]

Originally posted by EchoSON:

Originally posted by TJ the HedgeScout:

How does FXaa work and Taa? Is like FXaa give you 50% edge smoothness?

I wouldnt have them both on, but fxaa isnt great in this game... really jaggy

I wish they let us use regular AA, Why did they remove it?

[EchoSON]

Originally posted by TJ the HedgeScout:

Originally posted by EchoSON:

I wouldnt have them both on, but fxaa isnt great in this game... really jaggy

I wish they let us use regular AA, Why did they remove it?

By regular you mean MSAA?
TAA seems to work really well, and MSAA is quite demanding, you could always try 'enhancing' the application's AA with NVIDIA's settings, think you can select MSAA from there (I dont know how well that works)

[TJ the HedgeScout]

Originally posted by EchoSON:

Originally posted by TJ the HedgeScout:

I wish they let us use regular AA, Why did they remove it?

By regular you mean MSAA?
TAA seems to work really well, and MSAA is quite demanding, you could always try 'enhancing' the application's AA with NVIDIA's settings, think you can select MSAA from there (I dont know how well that works)

I use AMD though, but maybe it will work the same hopefully? Radeon Settings does have AA of its own.

[EchoSON]

Originally posted by TJ the HedgeScout:

Originally posted by EchoSON:

By regular you mean MSAA?
TAA seems to work really well, and MSAA is quite demanding, you could always try 'enhancing' the application's AA with NVIDIA's settings, think you can select MSAA from there (I dont know how well that works)

I use AMD though, but maybe it will work the same hopefully? Radeon Settings does have AA of its own.

Yeh it should do, if you really dont like TAA, im using TAA tho, game looks stunning.