This release:

AMD FSR Ray Regeneration “Redstone” 1.1.0 release (as part of the AMD FSR SDK 2.2 release):

• Quality and memory improvements

• Addition of debug view modes using ffxDispatchDescDenoiserDebugView (ffx::DispatchDescDenoiserDebugView)

• API breaking additions:
  • Dynamic configuration is now at the granularity of individual parameters:
    • FfxApiDenoiserSettings is replaced with:
      • FfxApiConfigureDenoiserKey
    • ffxConfigureDescDenoiserSettings (ffx::ConfigureDescDenoiserSettings) is replaced with:
      • ffxConfigureDescDenoiserKeyValue (ffx::ConfigureDescDenoiserKeyValue)
    • ffxQueryDescDenoiserGetDefaultSettings (ffx::QueryDescDenoiserGetDefaultSettings) is replaced with:
      • ffxQueryDescDenoiserGetDefaultKeyValue (ffx::QueryDescDenoiserGetDefaultKeyValue)

  • Type of ffxDispatchDescDenoiser::motionVectorScale is now FfxApiFloatCoords3D instead of FfxApiFloatCoords2D.

  • Alpha channel of ffxDispatchDescDenoiser::diffuseAlbedo is now unused.

  • Alpha channel of ffxDispatchDescDenoiser::specularAlbedo is now unused.

  • Alpha channel of ffxDispatchDescDenoiserInput1Signal::fusedAlbedo is now unused.

  • These alpha channels now contain the specular ray length:

    • ffxDispatchDescDenoiserInput4Signals::indirectSpecularRadiance::input
    • ffxDispatchDescDenoiserInput2Signals::specularRadiance::input
    • ffxDispatchDescDenoiserInput1Signal::radiance::input

Welcome to the AMD FSR SDK 2.2, now available on GPUOpen

The AMD FSR™ "Redstone" SDK 2.2 update delivers ML-powered FSR Upscaling 4.1 and FSR Ray Regeneration 1.1 optimized for AMD RDNA™ 4 graphics, enabling higher visual fidelity and performance with analytical fallbacks to scale across handhelds, consoles, and PCs.

Features

ML-powered real-time denoising

Since the advent of hardware-accelerated ray tracing, real-time game and rendering engines have increasingly adopted ray tracing techniques. From realistic reflections to finely detailed shadows, ray tracing has significantly elevated visual fidelity in modern games. As GPU ray tracing capabilities continue to improve, developers are pushing the boundaries of global illumination (GI) and exploring real-time path tracing. However, raw ray-traced outputs are inherently noisy, making effective denoising essential for producing clean, high-quality images.

Denoising transforms noisy ray- or path-traced outputs into coherent, visually accurate images, often leveraging both spatial and temporal information. AMD FSR™ Ray Regeneration performs this task with a key advantage: it uses machine learning (ML) to dynamically determine optimal filter weights, delivering superior results compared to purely analytical methods.

JPG (3840x2160)

JPG (3840x2160)

AMD FSR Ray Regeneration 1.1 example

Decoupled denoising

FSR Ray Regeneration performs denoising independently of upscaling, making it a decoupled denoiser. In contrast, denoising and upscaling can also be combined into a single, joint operation. Both approaches are valid, but decoupling denoising into its own dispatch call simplifies adding additional rendered content afterward.

Denoising modes

To maximize compatibility and efficiency when denoising your game’s specific workloads, FSR Ray Regeneration provides multiple input/output configurations:

Works with AMD FSR Upscaling and FSR Frame Generation

AMD FSR Ray Regeneration is designed to work seamlessly with AMD FSR Upscaling and AMD FSR Frame Generation. Additionally, the temporal anti-aliasing provided by FSR Upscaling adds an extra layer of smoothing when used alongside FSR Ray Regeneration.

AMD FSR Upscaling

AMD FSR™ Upscaling is our cutting-edge ML-based upscaler. It delivers significant image quality improvements with reduced ghosting, better particle preservation, and superior detail.

AMD FSR Frame Generation

AMD FSR™ Frame Generation uses state-of-the-art machine learning to generate high-quality intermediate frames, delivering ultra-smooth gameplay on AMD Radeon RX 9000 Series GPUs.

Performance

AMD FSR Ray Regeneration performance may vary depending on your target hardware and configuration.

Denoising 4 signals + dominant light signal:

Denoising 2 signals + dominant light signal:

Denoising 1 signal:

Performance figures are accurate at the time of writing for an AMD Radeon™ RX 9070 XT GPU and are subject to change.

Requirements

Supported GPUs

• AMD Radeon™ RX 9000 Series graphics cards and above.

Supported graphics APIs

• DirectX® 12 + Shader Model 6.6

Supported OS

• Windows® 11

Footnotes and disclaimers

Crimson Desert © 2025-2026 Pearl Abyss Corp. Crimson Desert is a trademark of Pearl Abyss. All rights reserved.

DirectX and Windows are trademarks of the Microsoft group of companies.