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AMD detail more on FSR 3 and their new open source FidelityFX SDK

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AMD had plenty to show off at GDC, and they've done a bit of a summary and some of it is quite exciting for future games.

FidelityFX Super Resolution (FSR) is open source and they will be sticking to that with the MIT license, with FSR 3 getting some more early details but they said it's still too early to show a lot of it. As explained in their GPUOpen post they're introducing "interpolated frames" which has allow them to get a "2x framerate boost". It's more complex though with some challenges:

  • We can’t rely on color clamping to correct the color of outdated samples.
  • Non-linear motion interpolation is hard with 2D screen space motion vectors, which is why we recommend at least 60fps input.
  • If the final frames are interpolated, then the UI and all post-processing will also need to interpolated.

However, there is good news!

  • There’s a high probability there will be at least one sample for every interpolated pixel.
  • There’s no feedback loop as the interpolated frame will only be shown once – any interpolation artifact would only remain for one frame.

With FSR 3 you're going to get better framerates at the cost of latency. However, they said they will be including "latency reduction techniques to FSR 3". AMD also said it should be easier to integrate FSR 3 if developers already support FSR 2.

Additionally they've announced the FidelityFX SDK, also open source, which combines together their multiple effects libraries giving developers an easier way to integrate it. As previously their stuff has all been spread-out, causing problems for developers with "inconsistencies in coding and documentation standards, limited platform/API support" and so this SDK is their attempt to to "do better".

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I am the owner of GamingOnLinux. After discovering Linux back in the days of Mandrake in 2003, I constantly came back to check on the progress of Linux until Ubuntu appeared on the scene and it helped me to really love it. You can reach me easily by emailing GamingOnLinux directly. Find me on Mastodon.
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I have 2 PCs with cards capable of FSR and FSR2. Though I tend to prefer running games at native resolutions. Only on the Steam Deck is where I prefer to activate FSR.
Holzkohlen Mar 29
Quoting: HxEI will laugh if after this nvidia shows up and says "you know what, dlss 3 is actually possible on rtx 2000 series" because it will be the last chance to push this proprietary nonsense on people

Anyone remember Gsync Displays? Me neither.
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