AMD releases FSR 3.1.3 with new FidelityFX SDK

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AMD FSR 3.1.3 now available



AMD has released an updated version of the FidelityFX Software Development Kit (SDK), a library of AMD graphics technologies aimed at developers. While the update is not a major one, it introduces the latest version of the FidelityFX Super Resolution (FSR) library.

The SDK version 1.1.3 includes fixes for implementing FSR 3.1.1 and 3.1.2 and now integrates FSR 3.1.3. This update adds opt-in hybrid spin lock pacing support and includes a frame interpolation sample for the Microsoft GDK, which is used for Xbox development.

The changelog does not mention any performance improvements or changes affecting visual quality. FidelityFX Super Resolution 3 is just one of many technologies in the FidelityFX suite. The SDK also supports features like FSR 1, FSR 2, Ambient Occlusion, Denoiser, HDR Mapper, and more.
 

AMD FidelityFX Super Resolution 3.1.3

• Several fixes for issues discovered with FSR 3.1.1/2.
  
• New opt-in hybrid spin lock pacing support.
  
• Update to AMDFidelityFX_FSR3FrameInterpolation GDK sample, bringing native FSR 3.1.3 support to Microsoft® Xbox and desktop ecosystem sample.
  

AMD also confirms some cleanup for the Frame Interpolation backend and updates for Vulkan. 
 

AMD FidelityFX SDK 1.1.3

• General cleanup in Frame Interpolation backend.
  
• Added letterbox changes to Vulkan®.
  
• Removal of Vulkan binding shifts which could cause some compile issues.
  
• Fixes for potential incorrect backbuffer sampling in 
  Code:

  GAME_MOTION_VECTOR_FIELD
   pass.
  
• General framework fixes and updates.
  
• Fix typos in the backend.
  
• Vram query added to Vulkan.
  
• Changes to Vulkan queue selection and behavior.
  
• Removal of unused distortion texture channels.
  
• Addition of new debug lines to test pacing.
  
• Enablement of separate backbuffer and hudless formats.
  
• Typeless format support for DX12/GDK.
  
• Expose frame pacing tunings such as opt in to use hybrid spinlock.
  
• Fix for UpdateTileMappings() deadlock.
  

The latest SDK is now available for download with updated demos.

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