DCS 2.5 Antialiasing comparison - ED Forums
 


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Old 02-02-2018, 07:50 AM   #1
Repsol2k
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Post DCS 2.5 Antialiasing comparison (Nvidia)

As i've seen some topics about how Antialiasing of DCS or Nvidia are working i tried to make a little comparisons to see clearly the differences. I will try to expand these comparisons if u want and also try out ReShade to see what we get there.

All screenshots are made with following basic DCS Settings:

Resolution: 3440x1440
Texture: High
Terrain Texture: High
civil Traffic: Off
Water: High
Visib Range: High
Heat Blur: Low
Shadows: High
Res. of Cockpit Displays: 512
Depth of Field: Off
HDR: Off
Deferred Shading: On
Terrain Object Shadows: Flat
Cockpit Global Illumination: Off
Disable Aero Interface : On
VSync: On
Fullscreen: On
Scale GUI: Off

DCS and Nvidia Settings



Explanation from Left to Right:

All Off:
Standard picture which u get with no Antialiasing from DCS or Nvidia

MSAA 2x:
Edges looking much smoother

MSAA 2x + MFAA ON:
Slighty improve to only MSAA x2. Looks like something between MSAA x2 and x4

MSAA 4x:
Not really a huge step compared to MSAA 2x

MSAA 8x:
Much clearer picture then MSAA OFF but we all know that with MSAA the FPS will significant drop down

MSAA 4x and AF 16x:
Like MSAA 4x but also u see for example Ground Textures getting much sharper. Because AF only affects sharpnes not the AntiAliasing.

MSAA 8x and AF 16x:
Like MSAA 8x but also u see for example Ground Textures getting much sharper. Because AF only affects sharpnes not the AntiAliasing.

MFAA On:
Turned via Nvidia Inspector the MFAA to On but there isnt really a difference between All Off and MFAA ON

FXAA On:
We can see a increase in sharpness between the different 3D Objects for example Hill/Sky

MS 8x and SGSS 8x with Override:
Used MS and SGSS with Nvidia Inspector and the "Override any application settings". No nitciable differences.

MS 8x and SGSS 8x with Enchance:
Used MS and SGSS with Nvidia Inspector and the "Enchance the application settings". No nitciable differences.

All Off + ReShade SMAA On:
U see a small increase in quality between the different 3D objects. For Example the Hill or the Frame of the Huey.

NOTICE: Its not possible to make screenshots InGame and see afterwards the ReShade effect. ReShade is a Filter which not get captured by DCS screenshots. If u want to take screenshots with ReShade visible i used for Example Gyazo.


Anisotropic Filtering:


Here i made a comparison between the different AF Settings of DCS. U can see on the ground textures that the sharpness range increases step by step by increasing the AF from OFF to x16





Benefits of ReShade

I will show in the following comparison the differences between FXAA, SMAA and both together. Therefore im using ReShade.



FXAA OFF and SMAA OFF
That u will see without having something turned on

FXAA ON
Here u see a little improvement with less FPS cost

SMAA ON
U see that Reshade is giving u also little improvement

FXAA ON and SMAA ON
This is a little improvement paired with a small improvement of SMAA
Attached Thumbnails
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Last edited by Repsol2k; 02-04-2018 at 11:32 AM.
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Old 02-02-2018, 08:09 AM   #2
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4x msaa and 16x af would look best combo. can you test it also?
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Old 02-02-2018, 08:21 AM   #3
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Yeah for sure i can Thanks to the Industrie for having SSD's

Will update it when its made
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Old 02-02-2018, 08:32 AM   #4
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Added : MSAA 4x and AF 16x
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Old 02-02-2018, 08:48 AM   #5
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My findings: For MFAA to work, at least 2x MSAA must be selected in game. If in-game MSAA is OFF, nVidia Control Panel MFAA has no effect at all.

The debate has been more about whether nVidia Control Panel MSAA has any effect in game, if in-game MSAA is set to Off. It does not.

About AF (Anisotropic filtering). To clarify: This has nothing to do with aliasing (jaggies). It rarely impacts performance at all (in any game) and should therefore imho always be set to max setting (16x in DCS).

Repsol2K: Please add comparison in-game MSAA OFF with nVidia Control Panel MSAA 8x to show people it does absolutely nothing, it does not work.
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Old 02-02-2018, 08:53 AM   #6
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Quote:
Originally Posted by Repsol2k View Post
Yeah for sure i can Thanks to the Industrie for having SSD's

Will update it when its made
thanks for adding. i can't see any difference between 4xaa/16xaf and 8xaa/16xaf. so no need to trade fps with extra aa settings in this case.
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Old 02-02-2018, 09:08 AM   #7
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Quote:
Originally Posted by chrisofsweden View Post
My findings: For MFAA to work, at least 2x MSAA must be selected in game. If in-game MSAA is OFF, nVidia Control Panel MFAA has no effect at all.

The debate has been more about whether nVidia Control Panel MSAA has any effect in game, if in-game MSAA is set to Off. It does not.

About AF (Anisotropic filtering). To clarify: This has nothing to do with aliasing (jaggies). It rarely impacts performance at all (in any game) and should therefore imho always be set to max setting (16x in DCS).

Repsol2K: Please add comparison in-game MSAA OFF with nVidia Control Panel MSAA 8x to show people it does absolutely nothing, it does not work.
I think i already have it with the MS x8 Multisampling and SGSS x8 Sparse Grid Supersampling were u see no difference between All Off and MS and SGSS on x8. Or which Nvidia MSAA u mean ?

For the AF i added a text. Yeah you are right. It only brings more sharpness inside the textures but dont help to get rid of the "Jaggies" "JigSaws" "Steps" however u will call it.

All those AA AF MSAA SGSS are a bit confusing



Adeed ReShade to the comparison.

Last edited by Repsol2k; 02-02-2018 at 09:14 AM.
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Old 02-02-2018, 09:22 AM   #8
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This matches my findings.
I could not see any noticeable difference using an of the Nvidia CP settings or re shade.

MSAA has by far the most impact along with AF.
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Old 02-02-2018, 10:02 AM   #9
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So if i use MSAA 2x in game options i will able to effectively use mfaa via Nvidia control panel? It's right?
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Old 02-02-2018, 10:26 AM   #10
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Very good topic!
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