AMD FidelityFX Super Resolution 2.0 is now Open Source –


AMD releases FidelityFX Super Resolution 2 source code

It’s been a year today since gamers were able to try AMD FidelityFX Super Resolution technology for themselves with our spatial upscaler – FSR 1. With the launch of FSR 2, our temporal upscaling solution earlier this year, there are now over 110 games that support FSR. The capture rate was very impressive – FSR is AMD’s fastest adopted software gaming technology to date [1].

So it seems fitting that we should choose this anniversary day to share the source code for FSR 2, opening up the possibility for any game developer to integrate FSR 2 if they wish and add their title to the 24 games that have already announced support to have.

As always, the source code is made available via GPUOpen under the MIT License, and you can now find links to it on our dedicated FSR 2 page.

In addition to the FSR 2 API and the full C++ and HLSL source code behind it, you will also discover our Cauldron-based sample and extensive API documentation to help you with your integration. We’ve put a lot of effort into the documentation to help developers as much as possible with their integrations so you can add FSR 2 to your game or engine and really get the highest quality possible. Please take a look!

The version you’re downloading from GitHub today is v2.0.1, which reflects the ongoing improvements we’ve made since you first saw FSR 2 in action earlier this year.

FSR 2 supports both DirectX 12 and Vulkan, with plugins for Unreal Engine 4.26/4.27 and Unreal Engine 5 coming very soon. It will also be available through the Xbox Game Development Kit.

Note that FSR 1 can still appear as its own upscaling option in addition to FSR 2 in game titles. Both technologies have different characteristics that may suit a wider range of platforms and user preferences. Our FSR 2 partner title DEATHLOOP, for example, debunks both.

We’re very excited to finally make the source code, documentation and sample available to the developers, so head over to our updated FSR 2 page now to see what’s new!

Learn more

  • You can download the FSR 2.0 source code here.
  • Documentation is available here.
  • FSR 2.0 samples can be downloaded from this link.

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