Update the DLSS preset used by DCS to remove ghosting

sleighzy · February 3

56 minutes ago, Farside24 said:

Alright Thanks so if I understand correctly, if I only want DLSS 4 for DCS, I only need to :

- install DLSS Swapper

- Select the DCS folder so the ini and dll files gets there

- Install Nvidia Profile Inspector to select profile J (or K) and apply it

- Enable DLSS in-game (Quality profile)

- That's it, no need for additionnal such as DLSSTweaksConfig or Nvidia Global Profile

Right ?

Not quite, we might be confusing two things here. Which steps are you referring to from my original post?

If you are referring to put DLSS Tweaks dll and dlsstweaks.ini files in DCS (which will only be for DCS and won't apply to other games) vs. the Nvidia Global Profile, then the steps would be as follows (there is no need for Nvidia Profile Inspector):

- Install DLSS Swapper, add the top-level DCS games folder and then you can use DLSS Swapper to easily change DLSS versions in DCS. Alternatively just manually copy the latest nvngx_dlss.dll files to the bin and bin-mt folders.

- Use the DLSSTweaksConfig.exe tool to set the preset to J (of K) for each of the quality levels, and enable the GlobalHudOverride so you can see the overlay in game (need to be in the plane) so you can verify that its using the right DLSS4 version and preset you set.

- Click save and then put the dxgi.dll and dlsstweaks.ini file from DLSSTweaks (the dlss tweaks file is named nvngx.dll so you need to rename it to dxgi.dll first) into the DCS bin and bin-mt folders

- Start DCS and then check to make sure you got a DLSSTweaks.log file created in either bin or bin-mt and has the expected logging re: the preset etc.

If you are referring to using Nvidia Profile Inspector, but only for DCS, then I believe you can select "Digital Combat Simulator: Black Shark" as the Profile in NVPI and then update the DLSS-SR override and Override DLSS-SR presets in there. Note, I haven't tested on a per profile basis other than seeing this referenced elsewhere. This approach would also mean you don't need to use DLSS Swapper to replace the DLSS dll files as it will override and use dll version and presets from the driver. You can confirm that via enabling the GlobalHudOverride in DLSSTweaks.

sleighzy · February 3

11 minutes ago, sleighzy said:

I believe you can select "Digital Combat Simulator: Black Shark" as the Profile in NVPI and then update the DLSS-SR override and Override DLSS-SR presets in there. Note, I haven't tested on a per profile basis other than seeing this referenced elsewhere.

Awesome. Yes, I just tested now and you can override just for DCS by selecting the "Digital Combat Simulator: Black Shark" profile in Nvidia Profile Inspector to set those Enable DLSS-SR override and DLSS-SR Preset values and it will apply to DCS. This does not require you to put the latest DLSS dll files in DCS, either manually or via DLSS Swapper.

DLSS Tweaks can just be used for enabling the hud overlay to verify your changes were successful.

Edited February 3 by sleighzy

gonvise · February 4

10 hours ago, sleighzy said:

Awesome. Yes, I just tested now and you can override just for DCS by selecting the "Digital Combat Simulator: Black Shark" profile in Nvidia Profile Inspector to set those Enable DLSS-SR override and DLSS-SR Preset values and it will apply to DCS. This does not require you to put the latest DLSS dll files in DCS, either manually or via DLSS Swapper.

DLSS Tweaks can just be used for enabling the hud overlay to verify your changes were successful.

Hud overlay can also be enabled/disabled via regedit...

bigtruck · February 4

Does the hud overlay (to see effective dlss version and preset) works in DCS ? I have the registry key in place. I see the hud in FS2024 (2d for sure vr not tested) but in DCS VR or 2d I dont see the hud at all ..

Ready · February 4

13 minutes ago, bigtruck said:

Does the hud overlay (to see effective dlss version and preset) works in DCS ? I have the registry key in place. I see the hud in FS2024 (2d for sure vr not tested) but in DCS VR or 2d I dont see the hud at all ..

Yes if configured correctly it shows up in my VR and in the desktop mirror. Bottom left corner. I am not using the registry entry so can't help there. I am using DLSSTweaks to enable/disable.

Edited February 4 by Ready

sleighzy · February 4

14 minutes ago, bigtruck said:

Does the hud overlay (to see effective dlss version and preset) works in DCS ? I have the registry key in place. I see the hud in FS2024 (2d for sure vr not tested) but in DCS VR or 2d I dont see the hud at all ..

Try with DLSSTweaks. I normally recommend using tools for the job, v.s. registry hacks, as they do the job and are intuitive. Registry edits are less familiar to folk, and the full list of values and what they represent aren't always known.

gonvise · February 5

13 hours ago, bigtruck said:

Does the hud overlay (to see effective dlss version and preset) works in DCS ? I have the registry key in place. I see the hud in FS2024 (2d for sure vr not tested) but in DCS VR or 2d I dont see the hud at all ..

Yes, it works, in 2D and VR... I prefer to edit the registry since I know what I'm doing, whereas DLSS tweaks I don't know what they do.

bigtruck · February 5

Dlsstweaks sets the registry key. I used Dlsstweaks and checked the key was indeed there and set with regedit. Simply knowing that it works for others helps me understand that there must be something in my setup that prevents it from kicking in. I will pick my battles. In the mean time I was able to use dlsstweaks log file (that is created when you copy the dll and ini in the bin directory) to confirm that the different presets I was asking for were kicking in. So no hud but still a confirmation of what I needed. All good. Thanks.

Pekins · February 20

Just commenting to give my unrequested results on this, I used DLSS swapper to update DLSS version and DLSSTweaks to switch to K preset, was fairly simple and didnt encounter any problems, ghosting almost entierly gonne in MFDs, pretty good.

PC Specs:

Ryzen 7 9800X3D

RTX3080 10Gb

64gb ram 6000mhz

Edited February 20 by Pekins

Gil80 · February 26

Using RTX4070Ti Super and Quest3 - which DLSS 4 profile provides the least amount of ghosting?

I've currently set mine to Quality K and GlobalForcePreset K - But I still see ghosting for far away objects and in MFDs.

null

Qcumber · February 26

7 hours ago, Gil80 said:

Using RTX4070Ti Super and Quest3 - which DLSS 4 profile provides the least amount of ghosting?

I've currently set mine to Quality K and GlobalForcePreset K - But I still see ghosting for far away objects and in MFDs.

null

K is the best but there is still ghosting of aircraft close the ground or sea. Distant spotting is difficult too, due to blurring, and there is some lost of contrast of objects against clouds.

You can mitigate this to some degree by increasing the resolution but this then offsets any performance benefits of using DLSS.

Expectations of DLSS varies depending on user and situation. For BVR modern jet combat it works very well. For WW2 or early cold war then the close nature of dogfights means the artifacts are a lot more noticable.

SirOalek · February 26

for me the ghosting on K and J is very very bad.. i realy dont understand why ppl ar so hyped about it...
yeah the instruments ar very crisp.. but the MFD´s and the planes are very ghosting...

i switched back to preset F and the the ghosting is gone but not as crisp as preset K..

72HZ Quest3 and 72 FPS RTX 4080S

Edited February 26 by SirOalek

Qcumber · February 26

4 hours ago, SirOalek said:

I switched back to preset F and the the ghosting is gone but not as crisp as preset K..

I find that preset F has more noticable ghosting than K.

BlackReef · February 28

Has anybody noticed a conflict with Reshade and DLSSTweaks? I think they are both trying to use the nginx.dll file

BlackReef · February 28

So I set the preset to J in the DLSS tweaker, I copy over files to BIN-MT, but in game, it shows the preset as C. Any ideas?

FWIW:
When DLSSTweaker asks what to name the file, I chose ngnx.dll this time instead of dxgi.dll

Reason being, it was conflicting with reshade. Reshade also use dxgi.dll

And boy did I go down a rabbit hole trying to get them to work together.

Qcumber · February 28

18 minutes ago, BlackReef said:

So I set the preset to J in the DLSS tweaker, I copy over files to BIN-MT, but in game, it shows the preset as C. Any ideas

Just use NVIDIA profile inspector. It's a lot easier than DLSSTweaks. I also find that using DLSSTweaks causes a lot of CTDs for me with preset J or K.

Edited February 28 by Qcumber

sleighzy · February 28

2 hours ago, BlackReef said:

FWIW:
When DLSSTweaker asks what to name the file, I chose ngnx.dll this time instead of dxgi.dll

DLSSTweaks needs it to be called dxgi.dll due to a DCS patch ages ago, it’s a known issue for awhile now. Just do what @Qcumber said and just use Nvidia Profile Inspector, there is no need for copying any dlls into DCS.

Edited February 28 by sleighzy

GPatricks · February 28

1 hour ago, sleighzy said:

DLSSTweaks needs it to be called dxgi.dll due to a DCS patch ages ago, it’s a known issue for awhile now. Just do what @Qcumber said and just use Nvidia Profile Inspector, there is no need for copying any dlls into DCS.

Agree, just set "SR Preset" in "0.2 - DLSS Overrides" to Preset K (v3.10+) and done.. I did it in both the "_GLOBAL_DRIVER_PROFILE (Base Profile)" and in the "Digital Combat Simulator Black Shark" Profile, not sure if that's necessary, but it's done..

PLUTON · February 28

Hello GPatricks I quote you
( Okay, just set "SR Preset" in "0.2 - DLSS Overrides" to Preset K (v3.10+) and it's done. I did it in both the "_GLOBAL_DRIVER_PROFILE (Base Profile)" and the "Digital Combat Simulator Black Shark" profile, I don't know if it's necessary, but it's done.)
but I can't find the line ("SR Preset" in "0.2 - DLSS Overrides") in Nvidia profile inspector
yet like you I am on the profile "_GLOBAL_DRIVER_PROFILE (Base Profile)!
could you help me please?

GPatricks · February 28

15 minutes ago, PLUTON said:

Hello GPatricks I quote you
( Okay, just set "SR Preset" in "0.2 - DLSS Overrides" to Preset K (v3.10+) and it's done. I did it in both the "_GLOBAL_DRIVER_PROFILE (Base Profile)" and the "Digital Combat Simulator Black Shark" profile, I don't know if it's necessary, but it's done.)
but I can't find the line ("SR Preset" in "0.2 - DLSS Overrides") in Nvidia profile inspector
yet like you I am on the profile "_GLOBAL_DRIVER_PROFILE (Base Profile)!
could you help me please?

Be sure to have a later version of Profile Inspector..

PLUTON · February 28

HA OK I have version 2.4.0.4 and where can I download version 2.4.2.3. please?

GPatricks · February 28

6 minutes ago, PLUTON said:

HA OK I have version 2.4.0.4 and where can I download version 2.4.2.3. please?

Lol, I wish I knew was just looking for it. Orbmu2K's Github is up to version 2.4.0.18. I ran that and it's laid out differently. Look in Section 5 - Common, DLSS - Forced Preset Letter..

null

Edited February 28 by GPatricks

draconus · February 28

49 minutes ago, PLUTON said:

where can I download version 2.4.2.3. please?

https://github.com/neatchee/nvidiaProfileInspectorForkAIO/releases

It's a fork of original NPI.

PLUTON · February 28

Thank you Mr. Draconian

PLUTON · February 28

Here I installed DLSS 3.10.2.1
and set the preset to K in Nvidia inspector
I did a flight test on several cards and the result is a minimum loss between 10 and 15 FPS in VR (that's a lot I think)
Am I the only one with this loss of FPS?

Tank you for help

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