Download RTXGI SDK

System Requirements

RTXGI SDK
Operating Systems
Windows 10 1809 (17763) , or higher
Ubuntu Linux 18.04, or similar distribution
Dependencies

DirectX® Raytracing 1.0 API, or higher (Windows only)
Vulkan SDK 1.2.170, or higher (optional on Windows)
DXR Capable GPU

NVIDIA GeForce and Quadro products (Pascal and later) with 6+GB of VRAM and the latest NVIDIA Display Driver installed

Development Environment
CMake 3.10, or higher
Visual Studio 2017, 2019, or Visual Studio Code

Latest Version for RTXGI SDK

Please review the license agreement and check the box below to indicate that you accept it and wish to proceed to join the early access program.


Already accepted into the NVIDIA RTXGI access program? Click here to visit the GitHub repo.



I Agree To the Terms of the NVIDIA RTX SDKs License Agreement


Release Notes

RTXGI SDK v1.2

Features:

  • Substantial Code and API Refactor
  • New Support: Vulkan, Linux (x86 and ARM) and bindless resource access models
  • Infinite Scrolling Volumes (ISV) feature is now available (no longer beta)
  • Feature Improvements: Multi-volume support, Improved Shaders and Probe Classification Accuracy
  • DDGI Volume Changes: Moved to structured buffers and reduced size of constants by 2x
  • Merged per-probe relocation and classification data into a single texture resource
  • Substantial CMake and build system improvements
  • Refreshed and improved documentation and converted to Markdown
  • Various Bug Fixes

Download RTXGI UE4 Plugin

System Requirements

RTXGI UE4 Plugin
Operating Systems
Windows 10 64-bit
Dependencies

DirectX® Raytracing 1.0 API, or higher
DXR Capable GPU


NVIDIA GeForce and Quadro products (Pascal and later) with 6+GB of VRAM and the latest NVIDIA Display Driver installed

Engine Support
Unreal Engine 4.27

Latest Version for RTXGI UE4 Plugin

Please review the license agreement and check the box below to indicate that you accept it and wish to proceed to join the early access program.


I Agree To the Terms of the NVIDIA RTX SDKs License Agreement


Release Notes

RTXGI UE4 Plugin v1.1.42

Features:

  • Made infinite scrolling volumes more responsive during scrolling
  • Static reflection probes can now use DDGIVolume data loaded from a disk
  • Added a debug mode for 10-bit radiance that visualizes clamped values
  • Expose probe visualization in Blueprints

Bug Fixes:

  • Fix VR issue where RTXGI was rendered only to a single eye
  • Fixed a bug related to usage of lighting channels with static meshes
  • Fix RTXGI icon in the editor's UI
  • Fixed calculation of the distance between DDGI probes and shading point
  • Fixed some settings so they can be accessed through console even in ship configs
  • Fixed a potential memory leak when switching between scenes
  • Made the plugin more console friendly by removing a couple of platform-specific keywords