The Khronos Group ORG

The Vulkan API Specification and related tools

Visit https://github.khronos.org for a directory of all our GitHub Repositories

glTF – Runtime 3D Asset Delivery

MoltenVK is a Vulkan Portability implementation. It layers a subset of the high-performance, industry-standard Vulkan graphics and compute API over Apple's Metal graphics framework, enabling Vulkan applications to run on macOS, iOS and tvOS.

One stop solution for all Vulkan samples

Open-Source Vulkan C++ API

glTF Sample Models

Khronos-reference front end for GLSL/ESSL, partial front end for HLSL, and a SPIR-V generator.

The Official Khronos WebGL Repository

SPIRV-Cross is a practical tool and library for performing reflection on SPIR-V and disassembling SPIR-V back to high level languages.

One stop shop for getting started with the Vulkan API

Runtime glTF 2.0 Loader for Unity3D

Blender glTF 2.0 importer and exporter

Physically-Based Rendering in glTF 2.0 using WebGL

No description.

KTX (Khronos Texture) Library and Tools

glTF Tutorials

Generated headers and sources for OpenXR loader.

Vulkan header files and API registry

Vulkan Validation Layers (VVL)

An assortment of assets that demonstrate features and capabilities of the glTF format

SPIRV-Reflect is a lightweight library that provides a C/C++ reflection API for SPIR-V shader bytecode in Vulkan applications.

OpenGL, OpenGL ES, and OpenGL ES-SC API and Extension Registry

Moved to https://github.com/KhronosGroup/glTF-Blender-IO.

Sources for OpenXR loader, basic API layers, and example code.

OpenCL SDK

Khronos OpenCL-Headers

Website resource pages for Khronos.org. Community is encouraged to help keep up-to-date

A guide to help developers get up and running quickly with the OpenCL programming framework

No description.

Vulkan Loader

Khronos Vulkan, OpenGL, and OpenGL ES Conformance Tests

A tool and a library for bi-directional translation between SPIR-V and LLVM IR

COLLADA to glTF converter

SYCL Academy, a set of learning materials for SYCL heterogeneous programming

Open Source Parallel STL implementation

OpenGL and OpenGL ES reference page sources, and generated HTML used as backing store for khronos.org

Vulkan Development Tools

Tool to validate glTF assets.

Vulkan sample code

GLSL Shading Language Specification and Extensions

Khronos OpenCL-CLHPP

OpenCL API, OpenCL C, Extensions, SPIR-V Environment Specs, Ref page, and C++ for OpenCL doc sources.

**Deprecated repository** for Vulkan loader and validation layers

Khronos version of the Vulkan Tutorial as parts of the Vulkan documentation project

SPIRV-Headers

The OpenCL ICD Loader project.

ANARI Software Development Kit (SDK)

This project is no longer active. Please join us at

C# Reference Loader for glTF

One stop shop for getting started with SPIR-V.

The NNEF Tools repository contains tools to generate and consume NNEF documents

The OpenCL Conformance Tests

No description.

No description.

OpenXR Specification sources and related material

Tool for generating various glTF assets for importer validation

Vulkan Profiles Tools

Sampler to create the glTF sample environments

Layer providing Vulkan features when native support is unavailable

SYCL Open Source Specification

OpenVX sample implementation

EGL API and Extension Registry

Guidelines for artists and developers using Khronos Group 3D formats.

SPIR-V specs

OpenXR Tutorials

Public repository for Vulkan Ecosystem issues

Proposals for the design of the WebGL Next API.

OpenCL specific C++ libraries implemented in C++ for OpenCL kernel language published in releases of OpenCL-Docs

OpenCL API and Extension Registry.

Vulkan Memory Model

OpenVX Samples to use with any conformant implementation of OpenVX

A collection of tone mappers for the display of 3D graphics

A collection of optimized WebAssembly transcoders for Basis Universal compressed GPU texture formats.

glTF Experience Format (glXF)

Utility libraries for Vulkan developers

glTF sample environments for the glTF Sample Viewer

Tool to provide a filterable registry of glTF community projects.

Vulkan Samples Assets

Asset creation guidelines and workflows to streamline the creation of 3D digital content for use in e-commerce

An LLVM backend generating SPIR-V binary.

The render portion of Sample Viewer (glTF-Sample-Viewer)

To store the source code for the glTF-Compressor project

Registry of OpenXR Specifications and related material

KTX file format source

Conformance test suite for OpenXR

SYCL Conformance Tests

Khronos glTF Viewer for iOS

Presentations for SIGGRAPH 2012 course "Graphics Programming on the Web" covering HTML5 technologies (Canvas, CSS, etc.), WebGL and WebCL

Open-Source OpenXR C++ language projection

OpenVX API and Extension Registry.

SPIR-Tools

No description.

Vulkan Documentation Project framework for integrated documentation site with spec, proposals, guide, and more

Client side only Javascript to visualize a SPIR-V Module binary

Tensor Tiling Library

No description.

OpenGL and OpenGL ES API Issue Tracker

Tutorial for the Vulkan graphics and compute API

Khronos Data Format Specification

ANARI Documentation

Welcome to the COLLADA Conformance Test Suite

WebGL performance regression tests

A React based DCC for viewing and authoring KHR_interactivity models

Fork of AMD GPUOpen Compressonator tool , for the purpose of further enhancing glTF support. and prototyping for ETC1S CRN, CTTF_128 Universal Formats, Transcoders, and Supercompression

OpenVG Specification source

SYCL Reference Manual

An open registry of tools that create glTF assets.

The Vulkan SC API Specification and related tools

3DC Certification documents

Check glTF file attributes against commerce application use case requirements

No description.

Backing store for www.khronos.org/registry/vulkan, populated from other Vulkan repositories to publish specs, ref pages, etc. which can't be served directly out of github.

Publicly-maintained information about OpenXR runtimes

OpenVX API and extension specification documents

CLI Tool for managing metadata using the KHR_XMP extension in glTF files.

Prototype tooling between glTF (JSON) and MaterialX (XML) file formats.

WebAssembly BC6H Decoder

Physically-Based Rendering in glTF 2.0 using WebGL

NNEF public repository

OpenVG API and Extension Registry.

SYCL Registry

Public proposals, extensions, information and materials from the SYCL working group

No description.

A collection of OpenCL layers.

Neural Network Exchange Format registry

MaterialX is an open standard for transfer of rich material and look-development content between applications and renderers.

OpenVX Conformance Test Suite

OpenMAX IL API and Extension Registry

ANARI Specification Registry

Docker container specifications which package dependencies for building Khronos documentation and software

Vulkan SC header files and API registry

OpenSL API and Extension Registry

Vulkan Object python scripts bundled up to easily use

OpenVG Conformance Test Suite

No description.

Vulkan SC Utilities and Tools

3D Commerce Recommendations for Metadata in glTF

Khronos Data Format Specification

Utilities for working with Khronos data format descriptors

No description.

Backing store for www.khronos.org/registry/vulkan, populated from other Vulkan repositories to publish specs, ref pages, etc. which can't be served directly out of github.

No description.

VulkanSC Loader

SPIR (Standard Portable Intermediate Representation) Registry

OpenMAX IL Conformance Tests

VulkanSC Validation Layers

Vulkan SC API and Extension Registry

3D Commerce Asset Creation Registry

Default UI for Khronos Antora sites, forked 2023-03-12 from https://gitlab.com/antora/antora-ui-default at commit 41b1c83f648a656fcbb274a8003d7292ba4136b0

OpenMAX AL API and Extension Registry

OpenWF API and Extension Registry

Content for the SYCL.tech Website

Vulkan Tools to aid in Vulkan SC development

Index page and specifications registry for SPIR-V. This is different from the SPIRV-Registry repository, which contains extension specifications.

WebGL Conformance Submissions

Backing store for https://schema.khronos.org/

Unit test assets for Interactivity Extension

glTF specification registry and backing store for www.khronos.org/registry/glTF

Backing store for www.khronos.org/registry/ktx, populated from other KTX repositories to publish specs which can't be served directly out of github.

OpenMAX DL API Registry

Testing infrastructure and website for the LLVM SPIR-V backend

Angular front-end for the SYCL.tech website.

Test Suite (Black Box) for KTX-Software

Utility libraries for Vulkan SC ecosystem components

No description.

Staging repo for new Render Fidelity website. Name will be changed after approval.

Dumps of kernel sources from the conformance test runs residing in OpenCL-CTS repo

PNG encoder and decoder in C and C++ with mods so chunks can be decoded without also reading image data. Used by KTX-Software.

Scripts converting LIT tests from SPIRV-LLVM-Translator format to LLVM-SPIRV-Backend format

Khronos Safety Critical Advisory Forum’s minimum requirements for developing a safety critical technology specification.

OepnKODE API and Extension Registry

No description.

Clone of the asciidoctor/asciidoctor repository forked to define the Khronos stylesheet

Root directory content of the Khronos Registry (at khronos.org/registry/)

No description.

Sample Specification showing repository structure, licensing, markup examples, etc.

The primary repo for all glTF assets. This repo contains the website content and superstructure for the display of all assets. Assets are contained in the submodules appropriate for their use.

Khronos Safety Critical Advisory Forum’s guidelines for developing a safety critical technology specification.

A collection of tools, libraries, and tests for Vulkan shader compilation.

This repository contains the pre-built release of the glTF Compressor.

:page_with_curl: Asciidoctor PDF: A native PDF converter for AsciiDoc based on Asciidoctor and Prawn, written entirely in Ruby.

Basis Universal GPU Texture Codec with CMakeLists.txt and warning fixes for use with KTX-Software: the former are documented in that file; the latter are for C++20, GCC 15 and MSVC. Also fixes reuse compliance and tweaks .gitignore. See the fixes_for_ktx branch..

State of the art RDO BC1-7 GPU texture encoders with any changes needed by KTX-Software

Antora Lunr search extension modified for Khronos documentation site

No description.

A tool to test web content for accessibility and 508 compliance. The KhronosGroup fork exists only as a backup in case something happens to the upstream repository.

No description.

Backing store for registry.khronos.org/sample, populated from the Sample-Docs repository to publish specs which can't be served directly out of github.