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27. March 2020


In addition to the recently released NVIDIA Texture Tool, NVIDIA have released a pair of SDKs of interest to game developers.  The first is RTXGI, a global illumination solution for DXR compatible hardware, the second is DLSS 2.0 or Deep Learning Super Sampling.

Details about RTXGI:

  • Full Source Code. We are providing full source code so you can easily integrate RTXGI into your tools and customize it to your specific needs.
  • No Baking, No Leaks. Dramatically speed up your iteration time with real-time ray traced lighting. No more waiting for bakes. No more obsessing over light probe positioning either; no light or shadow leaking.
  • Any DXR GPU. RTXGI runs on a broad range of hardware. All DXR-enabled GPUs are supported, including GeForce RTX 20 Series, GTX 1660 Series, and GTX 10 series.
  • Tuned & Optimized. Easy to integrate and fast to provide results, right out of the box. Performance optimized to fit in 60Hz frame budgets.

Details about DLSS:

  • Superior Image Quality – DLSS 2.0 offers image quality comparable to native resolution while rendering only one quarter to one half of the pixels. It employs new temporal feedback techniques for sharper image details and improved stability from frame to frame.
  • Great Scaling Across All GeForce RTX GPUs and Resolutions – A new AI network more efficiently uses Tensor Cores to execute 2X faster than the original. This improves frame rates and eliminates previous limitations on which GPUs, settings, and resolutions could be enabled.
  • One Network For All Games – The original DLSS required training the AI network for each new game. DLSS 2.0 trains using non-game-specific content, delivering a generalized network that works across games. This means faster game integrations, and ultimately more DLSS games.
  • Customizable Options – DLSS 2.0 offers users 3 image quality modes – Quality, Balanced, Performance – that control the game’s internal rendering resolution, with Performance mode enabling up to 4X super resolution (i.e. 1080p → 4K). This means more user choice, and even bigger performance boosts.

DLSS 2.0 is currently only available for Unreal Engine developers and you need to request access to both SDKs.  To request access to the DLSS SDK click here, while the RTXGI application is available here.  You can learn more about both SDKs in the video below.

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