F.E.A.R.

F.E.A.R.

364 ratings
Fix for Logitech/HID FPS problem without disabling devices
By Methanhydrat
An easy to install fix for the FPS drop/slowdown problem in FEAR, its expansions and Condemned: Criminal Origins. Does not require to disable any HID devices.
 
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Description
TL;DR

The DirectInputFpxFix fixes an input related FPS drop/slowdown problem that occurs in FEAR, its expansions, Condemned: Criminal Origins and other games. It is easy to install and does not require manual disabling of HID devices.

Quick start guide:
  1. Download the fix from PC Gaming Wiki here[community.pcgamingwiki.com]
  2. Extract the file dinput8.dll to the folder containing the executable of the game. For example: "C:\Program Files (x86)\Steam\steamapps\common\FEAR Ultimate Shooter Edition"
  3. Start the game like you would normally, for example directly through Steam or GOG Galaxy.
Features

The DirectInputFpsFix fixes a bug that causes the FPS to severely drop after a few minutes of play. This problem is probably most widely known in regards to the game FEAR and often occurs in conjunction with the usage of Logitech devices.

However, the problem also crops up in other games using the same engine, such as the FEAR expansions or Condemned: Criminal Origins and with non-Logitech hardware configurations. A similar problem has also been reported to occur in other titles, like Prototype.

Although this issue can often be fixed by disabling most/all HID-Devices in the device manager, it is bothersome to do so and lately some people reported that that solution does not even work at all anymore, especially on machines running Windows 10.

Instructions

Supported Games

The fix is agnostic towards the game that uses it and should therefore work with all versions of a supported game, including the Steam, GOG and retail versions.
  • Confirmed:
    • FEAR and its expansions
    • Condemned: Criminal Origins
  • Supposedly:
    • Prototype
    • Kane & Lynch: Dead Men
Feel free to provide feedback if the DLL works on other games as well.

Install

The fix does not make any permanent changes to the game or to Windows and can easily be removed.
  1. Extract the file dinput8.dll to the folder containing the executable of the game. For example: "C:\Program Files (x86)\Steam\steamapps\common\FEAR Ultimate Shooter Edition"*
  2. Start the game like you would normally, for example directly through Steam or GOG Galaxy.
*Note that for the FEAR expansions the fix also has to be installed into the corresponding sub-folder of the game

Uninstall
  1. Rename or remove the dinput8.dll from the folder of the game.
Known Issues

There are currently no known issues with the fix.

Additional Information

Antivirus Software

Since this mod consists of an executable DLL file that uses "hacking techniques" such as injection and hooking, it could be classified as malicious by antivirus software. In that case, it might be necessary to add an exception rule to the scanner.

If you lack the trust in random people on the internet -- and I would not blame you -- feel free to use a meta online virus scanner like VirusTotal to verify the file.

Loading Other Fixes/Mods/Injectors

To increase the compatibility with other mods or injectors that are using a wrapper DLL, this fix offers two methods for remote loading of additional files. Note that there might still be compatibility issues between the different fixes, mods or injectors that have nothing to do with the loading process.

File method:

The mod will load another dinput8.dll automatically if it has the name dinput8.dll. Just rename the DLL you want to load accordingly. Using this method will lead to an error if the renamed DLL is not itself a dinput8.dll.

Folder method:

The mod will also automatically load all DLLs regardless of their names in a dinput8 sub-directory. Just create a corresponding folder in the install directory of the mod. This is the only way to load multiple (conflicting) files.

How This Works

The fix is implemented using a common technique known as DLL hooking.

User input in games like FEAR can be realized via DirectInput, an API by Microsoft for interacting with HID-Devices. The library is ancient and should no longer be used today, because there are other ways to get mouse and keyboard input, especially for games.

The FPS drops happen because the thread that runs DirectInput massively slows down after a while (as can be seen in tools like ProcessExplorer).

If an application uses a library like DirectInput, it needs a so-called DLL (dynamic-link library) where the functionality of the library is stored. In many cases, especially for libraries provided by Microsoft, these DLLs usually reside in the Windows folder.

However, there is an order of how an application searches for the DLLs it needs. Since the DLL of the fix gets copied into the main folder of the application and has the same name of a DLL needed by the game (the one of DirectInput), it gets loaded instead of the one in the Windows folder.

This means that all calls to DirectInput go through the Hook-DLL and can either be directed to the original DLL in the Windows folder or changed as necessary. This also allows some insight in how exactly the library is used by the game.

It turned out that some games not only unnecessarily register all HID-devices, they also call several functions every frame that usually only should be called once during initialization. The latter seems to apply only to devices that are not keyboards or mice. This eventually leads to circumstances where a lot of time is spent opening and closing device connections.

The fix changes the DirectInput initialization in such a way that only keyboard and pointer devices get registered.
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178 Comments
PlagueDoctor-=|AKA|=- Sep 22 @ 3:22pm 
It worked when I loaded the cutscene where they were talking about Fettel, but as soon as I was in the car the FPS stuttering came back. :|
Brinsley Aug 8 @ 8:16am 
i know im very late to this guide but im only just playing F.E.A.R for the first time, so god bless you for helping me fix the game :lunar2019piginablanket:
KingOfScotland Jul 3 @ 1:26am 
remember playing this in the past having no issues went to play it again and then there was terrible lag. Made the game almost unplayable. I think it's because I downloaded the expansions which I didn't do when I played for the first time, which have this glitch.
Horrific Dismay Jun 10 @ 6:23am 
@Methanhydrat Thank you for your response, and thank you for the fix!:steamhappy:
Methanhydrat  [author] Jun 9 @ 11:29pm 
@Horrific Dismay

VAC will only scan protected games themselves, not other ones you have installed. Additionally, this fix has been out for a few years now and I never heard of someone having these kind of issues.
Horrific Dismay Jun 9 @ 6:52pm 
Hello, I have a question. If I use this fix and play for awhile, then say I switch to a game that is vac secured, is it possible I will be banned if the .dll is still loaded?
Amyro Apr 14 @ 1:44pm 
Thank you for your help ! :D
null Mar 16 @ 4:32pm 
Thanks for this, works a treat. 20fps to 400fps on max. :t0cactuar:
Scan_Gittman Mar 13 @ 2:33pm 
THANK YOU! Purchased the whole F.E.A.R. trilogy and was trying to figure out why the game (1st one) was lagging, dragging and to a lesser extent sagging. You're a hero! :steamhappy:
MiddleIndex Mar 2 @ 4:21am 
works great, 18 fps to 516 on max settings 2k