#ifdef __cplusplus
: If a game fails to provide it, users often download it from reputable sources like the AMD GPUOpen GitHub or DLL-files.com and place it directly into the game folder . Performance Impact FidelityFx Super Resolution 2.0 for Red Dead Redemption 2
In modded scenarios, this DLL is often the source of "missing file" errors or crashes if not placed correctly in the game's executable directory alongside its siblings ( ffx_fsr2_api_x64.dll ffx_fsr2_api_dx12_x64.dll Vulkan-Specific Issues: Some users report a specific error— vkgetphysicaldeviceproperties2 missing ffx fsr2 api vk x64dll work
The file is a 64-bit Dynamic Link Library (DLL) part of the AMD FidelityFX Super Resolution (FSR) 2.0 SDK . It provides the necessary API calls to run FSR 2.x temporal upscaling within games using the Vulkan graphics API. Quick Summary
Many players use this file to "inject" FSR 2.0 into games that don't natively support it but do support NVIDIA's DLSS. github.com Locate Game Folder : Find the of your game, typically in the directory. ffx_fsr2_api_vk_x64.dll into that same directory alongside other core DLLs like Override (If Needed) : Some mods require you to run a registry file (e.g., EnableSignatureOverride.reg #ifdef __cplusplus : If a game fails to
: While FSR 2 was originally restricted to DirectX 12, this specific Vulkan DLL allows games using Vulkan or tools like DXVK (which translates DirectX to Vulkan) to utilize the technology. Troubleshooting "Missing DLL" Errors If you encounter an error saying this file is missing:
At its core, the is a Dynamic Link Library. In the context of FSR 2 for Vulkan, this file typically bears names like: Quick Summary Many players use this file to "inject" FSR 2
If you are trying to force FSR 2 into a game that only supports NVIDIA DLSS, you often need the FSR2-to-DLSS Download the Wrapper