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Update README.md (#250)

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@@ -18,7 +18,7 @@ While previously only DLSS2+ inputs were supported, newer versions also added su
> [!NOTE]
> *[1] Regarding **XeSS**, since Unreal Engine plugin does not provide depth, replacing in-game XeSS breaks other upscalers, but you can still apply RCAS sharpening to XeSS to reduce blurry visuals (in short, if it's a UE game, in-game XeSS only works with XeSS in Opti overlay).
Regarding **FSR inputs**, FSR 3.1 is the first version with a fully standardised, forward-looking API and should be fully supported. Since FSR2 and FSR3 support custom interfaces, game support will depend on the developers' implementation. With Unreal Engine games you might need [ini tweaks](https://github.com/cdozdil/OptiScaler/wiki/Unreal-Engine-Tweaks) for FSR inputs.*
Regarding **FSR inputs**, FSR 3.1 is the first version with a fully standardised, forward-looking API and should be fully supported. Since FSR2 and FSR3 support custom interfaces, game support will depend on the developers' implementation. With Unreal Engine games, you might need [ini tweaks](https://github.com/cdozdil/OptiScaler/wiki/Unreal-Engine-Tweaks) for FSR inputs.*
## How it works?
OptiScaler implements the necessary API methods of DLSS2+ & NVAPI, XeSS and FSR2+ to act as a middleware. It interprets calls from the game and redirects them to the chosen upscaling backend, allowing games using one technology to use another one of your choice.
@@ -58,7 +58,9 @@ Currently **OptiScaler** can be used with DirectX 11, DirectX 12 and Vulkan, but
- XeSS 2.x (_soon™_)
#### OptiFG (powered by FSR3 FG) + HUDfix (experimental HUD ghosting fix)
**OptiFG** was added with **0.7** builds and is **only supported in DX12**. It uses FSR3 FG to enable Frame Generation in every DX12 upscaler-enabled games, however since FSR3 FG doesn't support HUD interpolation itself, it requires a HUDless resource provided by the game to avoid HUD ghosting. In games without native FG, Optiscaler tries to find the HUDless resource when the user enables **HUDfix**. Depending on how the game draws its UI/HUD, Optiscaler may or may not be successful in fixing these issues. There are several options for tuning the search. A more detailed guide will be available in the [Wiki](https://github.com/cdozdil/OptiScaler/wiki), along with a **list** of **HUDfix incompatible** games.
**OptiFG** was added with **0.7** builds and is **only supported in DX12**. It uses FSR3 FG to enable Frame Generation in every DX12 upscaler-enabled games, however since FSR3 FG doesn't support HUD interpolation itself, it requires a HUDless resource provided by the game to avoid HUD ghosting.
In games without native FG, Optiscaler tries to find the HUDless resource when the user enables **HUDfix**. Depending on how the game draws its UI/HUD, Optiscaler may or may not be successful in fixing these issues. There are several options for tuning the search.
A more detailed guide will be available in the [Wiki](https://github.com/cdozdil/OptiScaler/wiki), along with a **list** of **HUDfix incompatible** games.
## Installation
@@ -71,14 +73,16 @@ Currently **OptiScaler** can be used with DirectX 11, DirectX 12 and Vulkan, but
> ***Please use the [Nightly builds](https://github.com/cdozdil/OptiScaler/releases/tag/nightly) as the latest Stable is vastly outdated and the Readme does not apply to it anymore due to many missing features.***
### [Automated]
**Easiest way** is to extract all of the Optiscaler files by the main game exe and try the `OptiScaler Setup.bat` script which should help you automate the renaming process.
**1.** Extract **all** of the Optiscaler files **by the main game exe** _(for Unreal Engine games, that's usually the _win_shipping.exe_ in one of the subfolders, generally `<path-to-game>\Game-or-Project-name\Binaries\Win64\`, **ignore** the `Engine` folder)_
**2.** Try the `OptiScaler Setup.bat` script for automating the renaming process.
_**3.** If the Bat file wasn't successful, please check the **Manual** steps._
### [Manual]
#### Nvidia
**`Step-by-step installation:`**
**1.** Extract all Optiscaler files from the zip by the main game exe (for Unreal Engine games, that's usually the _win_shipping.exe_ in one of the subfolders, generally `<path-to-game>\Binaries\Win64\`).
**2.** Rename OptiScaler's `OptiScaler.dll` (for old versions it's `nvngx.dll`) to one of the [supported filenames](#optiscaler-supports-these-filenames) (preferred `dxgi.dll`, but depends on the game)$`^1`$
**1.** Extract **all** Optiscaler files from the zip **by the main game exe** _(for Unreal Engine games, that's usually the _win_shipping.exe_ in one of the subfolders, generally `<path-to-game>\Game-or-Project-name\Binaries\Win64\`, **ignore** the `Engine` folder)_.
**2.** Rename OptiScaler's `OptiScaler.dll` (for old versions, it's `nvngx.dll`) to one of the [supported filenames](#optiscaler-supports-these-filenames) (preferred `dxgi.dll`, but depends on the game)$`^1`$
> [!NOTE]
> _For FSR2/3-only games that don't have DLSS (e.g. The Callisto Protocol or The Outer Worlds: Spacer's Choice Edition), you have to provide the `nvngx_dlss.dll` in order to use DLSS in Optiscaler - download link e.g. [TechPowerUp](https://www.techpowerup.com/download/nvidia-dlss-dll/) or [Streamline SDK repo](https://github.com/NVIDIAGameWorks/Streamline/tree/main/bin/x64)_
@@ -86,10 +90,10 @@ Currently **OptiScaler** can be used with DirectX 11, DirectX 12 and Vulkan, but
#### AMD/Intel
**`Step-by-step installation:`**
**1.** Extract all Optiscaler files from the zip by the main game exe (for Unreal Engine games, that's usually the _win_shipping.exe_ in one of the subfolders, generally `<path-to-game>\Binaries\Win64\`)
**2.** Rename OptiScaler's `OptiScaler.dll` (for old versions it's `nvngx.dll`) to one of the [supported filenames](#optiscaler-supports-these-filenames) (preferred `dxgi.dll`, but depends on the game)$`^1`$
**3a.** **Either** locate the `nvngx_dlss.dll` file (for UE games, generally in one of the subfolders like Plugins), create a copy, rename the copy to `nvngx.dll` and paste it beside Optiscaler
**3b.** **OR** download `nvngx_dlss.dll` from e.g. [TechPowerUp](https://www.techpowerup.com/download/nvidia-dlss-dll/) or [Streamline SDK repo](https://github.com/NVIDIAGameWorks/Streamline/tree/main/bin/x64) if you don't want to search, rename it to `nvngx.dll` and paste it beside Optiscaler
**1.** Extract **all** Optiscaler files from the zip **by the main game exe** _(for Unreal Engine games, that's usually the _win_shipping.exe_ in one of the subfolders, generally `<path-to-game>\Game-or-Project-name\Binaries\Win64\`, **ignore** the `Engine` folder)_
**2.** Rename OptiScaler's `OptiScaler.dll` (for old versions, it's `nvngx.dll`) to one of the [supported filenames](#optiscaler-supports-these-filenames) (preferred `dxgi.dll`, but depends on the game)$`^1`$
**3a.** **Either** locate the `nvngx_dlss.dll` file (for UE games, generally in one of the subfolders under `Engine/Plugins`), create a copy, rename the copy to `nvngx.dll` and put it beside Optiscaler
**3b.** **OR** download `nvngx_dlss.dll` from e.g. [TechPowerUp](https://www.techpowerup.com/download/nvidia-dlss-dll/) or [Streamline SDK repo](https://github.com/NVIDIAGameWorks/Streamline/tree/main/bin/x64) if you don't want to search, rename it to `nvngx.dll` and put it beside Optiscaler
#### [Nukem's dlssg-to-fsr3]
@@ -137,8 +141,8 @@ Latency Flex is cross-vendor and cross-platform. Anti-Lag 2 only supports RDNA c
### Legacy installation (deprecated, no FG and limited features, `nvngx.dll`)
`Step-by-step installation:`
1. Download the latest relase from [releases](https://github.com/cdozdil/OptiScaler/releases).
2. Extract the contents of the archive next to the game executable file in your games folder. (e.g. for Unreal Engine games it's `<path-to-game>\Binaries\Win64\`)$`^1`$
3. Rename `OptiScaler.dll` to `nvngx.dll` (For older builds file name is already `nvngx.dll`, so skip this step)
2. Extract the contents of the archive next to the game executable file in your games folder. (e.g. for Unreal Engine games, it's `<path-to-game>\Game-or-Project-name\Binaries\Win64\`)$`^1`$
3. Rename `OptiScaler.dll` to `nvngx.dll` (For older builds, file name is already `nvngx.dll`, so skip this step)
4. Run `EnableSignatureOverride.reg` from `DlssOverrides` folder and confirm merge.$`^2`$$`^3`$
*[1] This package contains latest version of `libxess.dll` and if the game folder contains any older version of the same library, it will be overwritten. Consider backing up or renaming existing files.*
@@ -155,13 +159,13 @@ Latency Flex is cross-vendor and cross-platform. Anti-Lag 2 only supports RDNA c
## Update OptiScaler version when using DLSS Enabler
1. Delete/rename `dlss-enabler-upscaler.dll` in game folder
2. Extract `OptiScaler.dll` (for old versions it's `nvngx.dll`) file from OptiScaler 7zip file to a temp folder
3. Rename `OptiScaler.dll` (for old versions it's `nvngx.dll`) to `dlss-enabler-upscaler.dll`
2. Extract `OptiScaler.dll` (for old versions, it's `nvngx.dll`) file from OptiScaler 7zip file to a temp folder
3. Rename `OptiScaler.dll` (for old versions, it's `nvngx.dll`) to `dlss-enabler-upscaler.dll`
4. Copy `dlss-enabler-upscaler.dll` from temp folder to the game folder
## Uninstallation
* Run `DisableSignatureOverride.reg` file
* Delete `EnableSignatureOverride.reg`, `DisableSignatureOverride.reg`, `OptiScaler.dll` (for old versions it's `nvngx.dll`), `OptiScaler.ini` files (if you used Fakenvapi and/or Nukem mod, then also delete `fakenvapi.ini`, `nvapi64.dll` and `dlssg_to_fsr3` files)
* Delete `EnableSignatureOverride.reg`, `DisableSignatureOverride.reg`, `OptiScaler.dll` (for old versions, it's `nvngx.dll`), `OptiScaler.ini` files (if you used Fakenvapi and/or Nukem mod, then also delete `fakenvapi.ini`, `nvapi64.dll` and `dlssg_to_fsr3` files)
* If there was a `libxess.dll` file and you have backed it up, delete the new file and restore the backed up file. If you overwrote/replaced the old file, **DO NOT** delete `libxess.dll` file. If there was no `libxess.dll` before, it's safe to delete. Same goes for FSR files (`amd_fidelityfx`).
## Features