NVIDIA’s DLSS SDK repo is a hallway, not the showroom
This repository hosts the public distribution point for NVIDIA’s RTX DLSS SDK, though the sample code and SDK internals remain tucked away in releases.

What it does
This repository is NVIDIA’s public home for the RTX DLSS SDK. The README identifies it as such, but offers almost no detail on the SDK’s structure, API, or build system. It does include the NVIDIA Image Scaling SDK as a submodule—a standalone spatial scaling and sharpening layer with compute shaders for DX11, DX12, and Vulkan.
The interesting bit
The most substantive component visible in the documentation is the bundled Image Scaling SDK; the DLSS-specific contents of the repository are essentially undocumented in the README. NVIDIA notes that the DLSS Sample app ships only with releases, leaving it unclear what source code or libraries actually reside in the default branch.
Key highlights
- Public repository for the RTX DLSS SDK
- Includes
NVIDIA Image Scaling SDKsubmodule (cross-platform compute shaders for DX11, DX12, and Vulkan) DLSS Sample appdistributed only in releases, not in the main repository- Primarily
C - 1,359 GitHub stars
Caveats
- The
READMEis extremely sparse and does not explain what files, headers, or build artifacts the DLSS SDK provides - It is unclear from the sources whether the deep learning inference runtime or model weights are present in the repository
Verdict Developers looking for the DLSS sample should go straight to the releases; curious visitors hoping to explore SDK internals or documentation in-tree will find little more than a signpost.
Frequently asked
- What is NVIDIA/DLSS?
- This repository hosts the public distribution point for NVIDIA’s RTX DLSS SDK, though the sample code and SDK internals remain tucked away in releases.
- Is DLSS open source?
- Yes — NVIDIA/DLSS is an open-source project tracked on heatdrop.
- What language is DLSS written in?
- NVIDIA/DLSS is primarily written in C.
- How popular is DLSS?
- NVIDIA/DLSS has 1.4k stars on GitHub.
- Where can I find DLSS?
- NVIDIA/DLSS is on GitHub at https://github.com/NVIDIA/DLSS.