CINXE.COM
Reference Guides - The Khronos Group Inc
<!DOCTYPE html> <html lang="en" itemscope itemtype="http://schema.org/Article"> <head> <meta charset="utf-8"> <meta content="width=device-width, height=device-height, minimum-scale=1.0, initial-scale=1.0" name="viewport"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Reference Guides - The Khronos Group Inc</title> <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png"> <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png"> <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png"> <link rel="manifest" href="/site.webmanifest"> <link rel="mask-icon" href="/safari-pinned-tab.svg" color="#cc3333"> <meta name="msapplication-TileColor" content="#ffffff"> <meta name="theme-color" content="#ffffff"> <meta name="description" content="Deploying and developing royalty-free open standards for 3D graphics, Virtual and Augmented Reality, Parallel Computing, Neural Networks, and Vision Processing"> <meta itemprop="name" content="The Khronos Group"> <meta itemprop="description" content="Deploying and developing royalty-free open standards for 3D graphics, Virtual and Augmented Reality, Parallel Computing, Neural Networks, and Vision Processing"> <meta name="twitter:card" content="summary"> <meta name="twitter:site" content="@thekhronosgroup"> <meta property="og:title" content="The Khronos Group"> <meta property="og:description" content="Deploying and developing royalty-free open standards for 3D graphics, Virtual and Augmented Reality, Parallel Computing, Neural Networks, and Vision Processing"> <meta property="og:type" content="article"> <meta property="article:published_time" content="2025-02-21T08:30:46-08:00"> <meta property="article:section" content="General"> <meta property="article:tag" content="Khronosgroup"> <meta property="og:url" content="https://www.khronos.org/developers/reference-cards"> <meta property="og:site_name" content="The Khronos Group"> <meta itemprop="image" content="https://www.khronos.org/assets/images/Khronos-250px-with-tagline-New.png"> <meta property="og:image" content="https://www.khronos.org/assets/images/Khronos-250px-with-tagline-New.png"> <link rel="alternate" type="application/rss+xml" title="Khronos News RSS Feed" href="https://www.khronos.org/feeds/news_feed"> <link rel="alternate" type="application/atom+xml" title="Khronos News RSS Feed" href="https://www.khronos.org/feeds/news_feed"> <link href="/assets/css/app.css?v160" rel="stylesheet"> <link rel='stylesheet' media='all' href='/themes/user/cookie_decline/css/cookie_decline.css'><script>function init() { $('body').append('<div id="cookie_decline" role="alertdialog" aria-modal="true" aria-labelledby="cd_title" aria-describedby="cd_message"><p id="cd_title"><strong>Cookie Policy</strong></p><p id="cd_message">Cookies are in use to monitor anonymous usage of this site and give you the best possible experience. By continuing to use the site you consent to this.</p><p><a href="https://www.khronos.org/?ACT=175&RET=developers/reference-cards" class="btn btn-sml btn-primary" role="button">Disallow cookies</a> <a href="https://www.khronos.org/?ACT=176&RET=developers/reference-cards" class="btn btn-sml btn-primary cd_modal_close" role="button">Allow Cookies</a></div>');$('#cookie_decline').css({'bottom':'-'+$(this).height()}).animate({bottom: '20px'}, 250)}window.onload = init;</script> </head> <body> <p class="sr-only"><a href="#khronosMainContent">Skip to main content</a></p> <div id="backtop"></div> <div class="wrapper"> <nav class="navbar khr-nav navbar-inverse"> <div class="container"> <div class="navbar-header"> <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#khronos_nav" aria-expanded="false" aria-controls="khronos_nav"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar top-bar"></span> <span class="icon-bar middle-bar"></span> <span class="icon-bar bottom-bar"></span> </button> <a href="https://www.khronos.org/" class="navbar-brand" aria-label="Khronos Group homepage"><img src="/assets/css/images/khronos-logo-2021.svg" alt="The Khronos Group: Connecting Software to Silicon"></a> </div> <div id="khronos_nav" class="navbar-collapse collapse"> <ul class="nav navbar-nav navbar-right nav-light" role="menu"> <li class="dropdown" role="menuitem"><a href="#" data-submenu data-toggle="dropdown">Developers <span class="caret"></span></a> <ul class="dropdown-menu"> <li class="dropdown-submenu"><a href="#">Active Standards</a> <ul class="dropdown-menu"> <li><a href="/3dcommerce">3D Commerce</a></li> <li><a href="/anari">ANARI</a></li> <li><a href="/collada">COLLADA</a></li> <li><a href="/dataformat">Data Format</a></li> <li><a href="/egl">EGL</a></li> <li><a href="/gltf">glTF</a></li> <li><a href="/gltf/pbr">glTF | PBR</a></li> <li><a href="/kamaros/">Kamaros</a></li> <li><a href="/ktx">KTX</a></li> <li><a href="/nnef">NNEF</a></li> <li><a href="/opencl">OpenCL</a></li> <li><a href="/opengl">OpenGL</a></li> <li><a href="/opengles">OpenGL ES</a></li> <li><a href="/openglsc">OpenGL SC</a></li> <li><a href="/openvg">OpenVG</a></li> <li><a href="/openvx">OpenVX</a></li> <li><a href="/openxr">OpenXR</a></li> <li><a href="/slang">Slang</a></li> <li><a href="/spirv">SPIR-V</a></li> <li><a href="/sycl">SYCL</a></li> <li><a href="/syclsc">SYCL SC</a></li> <li><a href="https://www.vulkan.org/">Vulkan</a></li> <li><a href="/vulkansc">Vulkan SC</a></li> <li><a href="/webgl">WebGL</a></li> </ul> </li> <li class="dropdown-submenu"><a href="#">Groups & Forums</a> <ul class="dropdown-menu"> <li><a href="/exploratory/heterogeneous-communication/">Heterogeneous Communication</a> </li> <li><a href="/machine-learning">Machine Learning Forum</a></li> <li><a href="/exploratory/">New Initiative Process</a></li> </ul> </li> <li class="dropdown-submenu"><a href="#">Inactive Standards</a> <ul class="dropdown-menu"> <li><a href="/openkcam">OpenKCAM</a></li> <li><a href="/openkode">OpenKODE</a></li> <li><a href="/openmax">OpenMAX</a></li> <li><a href="/openml">OpenML</a></li> <li><a href="/opensles">OpenSL ES</a></li> <li><a href="/openwf">OpenWF</a></li> <li><a href="/streaminput">StreamInput</a></li> <li><a href="/webcl">WebCL</a></li> </ul> </li> <li class="divider"></li> <li><a href="/registry">Registry</a></li> <li><a href="/advisors" rel="external">Advisors</a></li> <li><a href="https://github.khronos.org" rel="external">Github</a></li> <li><a href="https://community.khronos.org/" rel="external">Khronos Support Forums</a></li> <li><a href="https://discord.gg/vulkan" rel="external">Vulkan Discord</a></li> <li><a href="https://khr.io/khrdiscord" rel="external">Khronos Discord</a></li> <li class="divider"></li> <li><a href="/developers/library/">Videos & Presentations</a></li> <li><a href="/developers/reference-cards/">Reference Guides</a></li> <li><a href="/developers/books/">Books</a></li> <li class="divider"></li> <li><a href="/rfp">Request for Proposals</a></li> <li><a href="/store/">Merchandise</a></li> </ul> </li> <li class="dropdown" role="menuitem"> <a href="/conformance" title="Conformance, Adopter and Implementer Information" data-toggle="dropdown">Conformance <b class="caret"></b></a> <ul class="dropdown-menu"> <li><a href="/conformance/adopters/">Become an Adopter</a></li> <li><a href="/conformance/adopters/conformant-companies">API Adopters List</a></li> <li><a href="/conformance/adopters/conformant-products">Conformant Products</a></li> <li><a href="/conformance/adopters/file-format-adopter-program">File Format Adopter Program</a> </li> <li><a href="/conformance/adopters/file-format-adopters">File Format Adopters</a></li> <li><a href="/legal/khronos-trademark-guidelines">Trademark Guidelines</a></li> <li><a href="/members/ip-framework" title="">IP Framework Briefing</a></li> <li class="divider"></li> <li><a href="/conformance/adopters/login"><b>Adopter Login</b></a></li> <li class="divider"></li> <li><a href="/3dcommerce/certificants/">3D Commerce Certification</a></li> <li><a href="/3dcommerce/certificants/certified-viewers">Certified Viewers</a></li> <li class="divider"></li> <li><a href="/3dcommerce/certificants/login/"><b>Certificant Login</b></a></li> </ul> </li> <li class="dropdown" role="menuitem"> <a href="/members" title="Membership information" data-toggle="dropdown">Membership <b class="caret"></b></a> <ul class="dropdown-menu"> <li><a href="/members/">Join the Khronos Group</a></li> <li><a href="/members/list">Khronos Members</a></li> <li><a href="/members/liaisons">Khronos Liaisons</a></li> <li><a href="/members/ip-framework">IP Framework</a></li> <li class="divider"></li> <li><a href="/members/signup"><b>Create an account</b></a></li> <li><a href="https://members.khronos.org/"><b>Member Login</b></a></li> </ul> </li> <li class="dropdown" role="menuitem"> <a href="/news/" title="Technology related news and events" data-toggle="dropdown">News & Events<b class="caret"></b></a> <ul class="dropdown-menu"> <li><a href="/news/">Newsroom</a></li> <li><a href="/news/press">Press Releases</a></li> <li><a href="/blog/">Khronos Blog</a></li> <li><a href="/news/subscribe/">Newsletter</a></li> <li class="divider"></li> <li><a href="/events/">Events</a></li> <li><a href="/marketing/">Marketing with Khronos</a></li> </ul> </li> <li class="dropdown" role="menuitem"> <a href="/about/" title="Learn about the Khronos Group" data-toggle="dropdown">About<b class="caret"></b></a> <ul class="dropdown-menu"> <li><a href="/about/">Overview</a></li> <li><a href="/about/contact/">Contact Us</a></li> <li><a href="/logos">Logo Packs</a></li> <li><a href="/about/directors/">Directors & Officers</a></li> <li><a href="/about/working-group-officers/">Working Group Officers</a></li> <li><a href="/about/deib/">Diversity at Khronos</a></li> <li><a href="/about/code-of-conduct">Code of Conduct</a></li> <li><a href="/about/technical-support/">Technical Support</a></li> <li><a href="/about/khronie-awards">Khronie Awards</a></li> </ul> </li> <li role="menuitem"> <a href="https://members.khronos.org/" title="Account Login" aria-label="Account Login"> <i class="fa-regular fa-user hidden-xs"></i> <span class="visible-xs">Member Login</span> </a> </li> <li class="dropdown navbar_megamenu" role="menuitem"><a href="#" id="search_dropdown" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false" aria-label="Access search field"> <i class="fa fa-search hidden-xs" aria-hidden="true"></i> <span class="visible-xs">Search</span></a> <ul class="dropdown-menu"> <li class="text-center"> <form id="searchbox_017055583490642512057:_ak1bpok_no" action="/search/"> <div class="input-group"> <input type="hidden" name="cx" value="017055583490642512057:_ak1bpok_no"> <input type="hidden" name="cof" value="FORID:9"> <input name="q" type="text" class="form-control" placeholder="Search" aria-label="Search Query"> <span class="input-group-btn"> <button class="btn btn-primary" type="submit" aria-label="Start website search"><i class="fa fa-search" aria-hidden="true"></i><span class="sr-only">Search</span></button> </span> </div> </form> </li> </ul> </li> </ul> </div> </div> </nav> <div id="khronosMainContent" role="main"> <section> <h1 class="sr-only">Reference Guides</h1> <div class="page-heading"> <div class="container"><div class="h1">Reference Guides</div></div> </div> <div class="container"> <div class="row"> <div class="section_content"> <p>The Khronos Group Reference Guides are available as downloadable PDFs, online viewable format using <a href="http://www.slideshare.net/Khronos_Group/tag/referencecard">Slideshare</a> and a hardcopy format from <a href="https://www.lulu.com/spotlight/khronosGroup">LuLu</a>. <br><i>If you find a mistake in any of the reference guides, please <a href="/bugzilla">submit a bug</a>.</i></p> <div id="refdownloads" class="row"> <div class="refcard_download_single"> <div class="collada"></div> <h4>COLLADA</h4> <select class="ref-card-download" onChange="downloadReferenceCard(this.value)"> <option value="Free PDFs">Free PDFs</option> <option value="collada_reference_card_1_4.pdf">COLLADA 1.4</option> </select> Buy Hardcopy<br> <a href="https://www.lulu.com/shop/khronos-group/collada-14-quick-reference/paperback/product-21764809.html" rel="external">1.4</a><br> <a href="https://www.slideshare.net/Khronos_Group/collada-reference-card14" rel="external">Slideshare (1.4)</a> </div> <div class="refcard_download_single"> <div class="gltf"></div> <h4>glTF</h4> <select class="ref-card-download" onChange="downloadReferenceCard(this.value)"> <option value="Free PDFs">Free PDFs</option> <option value="gltf20-reference-guide.pdf">glTF 2.0</option> </select> Buy Hardcopy<br> <a href="http://www.lulu.com/shop/khronos-group/gltf-20-quick-reference/paperback/product-23266056.html" rel="external">2.0</a><br> <a href="https://www.slideshare.net/Khronos_Group/gltf-20-reference-guide" rel="external">Slideshare (2.0)</a> </div> <div class="refcard_download_single"> <div class="egl"></div> <h4>EGL</h4> <select class="ref-card-download" onChange="downloadReferenceCard(this.value)"> <option value="Free PDFs">Free PDFs</option> <option value="egl-1-4-quick-reference-card.pdf">EGL 1.4</option> </select> Buy Hardcopy<br> <a href="http://www.lulu.com/shop/khronos-group/egl-14-quick-reference/paperback/product-22175999.html" rel="external">1.4</a><br> <a href="https://www.slideshare.net/Khronos_Group/egl-11" rel="external">Slideshare (1.4)</a> </div> <div class="refcard_download_single"> <div></div> <h4>OpenCL</h4> <select class="ref-card-download" onChange="downloadReferenceCard(this.value)"> <option value="Free PDFs">Free PDFs</option> <option value="opencl30-reference-guide.pdf">OpenCL 3.0</option> <option value="opencl22-reference-guide.pdf">OpenCL 2.2</option> <option value="opencl21-reference-guide.pdf">OpenCL 2.1</option> <option value="opencl20-quick-reference-card.pdf">OpenCL 2.0</option> <option value="opencl-1-2-quick-reference-card.pdf">OpenCL 1.2</option> <option value="opencl-1-1-quick-reference-card.pdf">OpenCL 1.1</option> <option value="opencl-quick-reference-card.pdf">OpenCL 1.0</option> <option value="OpenCLPP12-reference-card.pdf">OpenCL C++ Wrapper 1.2</option> </select> Buy Hardcopy<br> <a href="https://www.lulu.com/shop/khronos-group/opencl-11-quick-reference/paperback/product-23862758.html" rel="external">1.1</a>, <a href="https://www.lulu.com/shop/khronos-group/opencl-12-quick-reference/paperback/product-23862764.html" rel="external">1.2</a>, <a href="https://www.lulu.com/shop/khronos-group/opencl-20-quick-reference/paperback/product-23862775.html" rel="external">2.0</a>, <a href="https://www.lulu.com/shop/khronos-group/opencl-21-reference-guide/paperback/product-23862783.html" rel="external">2.1</a>, <a href="https://www.lulu.com/shop/khronos-group/opencl-22-reference-guide/paperback/product-23362754.html" rel="external">2.2</a><br> <a href="https://www.lulu.com/en/us/shop/-khronos-group/opencl-30-reference-guide/paperback/product-9j4pw9.html" rel="external">3.0</a><br> <a href="https://www.slideshare.net/Khronos_Group/opencl-30-reference-guide-238684292" rel="external">Slideshare (3.0)</a> </div> <div class="refcard_download_single"> <div class="opengl"></div> <h4>OpenGL</h4> <select class="ref-card-download" onChange="downloadReferenceCard(this.value)"> <option value="Free PDFs">Free PDFs</option> <option value="opengl46-quick-reference-card.pdf">OpenGL 4.6</option> <option value="opengl45-quick-reference-card.pdf">OpenGL 4.5</option> <option value="opengl44-quick-reference-card.pdf">OpenGL 4.4</option> <option value="opengl43-quick-reference-card.pdf">OpenGL 4.3</option> <option value="opengl42-quick-reference-card.pdf">OpenGL 4.2</option> <option value="opengl41-quick-reference-card.pdf">OpenGL 4.1</option> <option value="opengl4-quick-reference-card.pdf">OpenGL 4.0</option> <option value="opengl-quick-reference-card.pdf">OpenGL 3.2</option> </select> Buy Hardcopy<br> <a href="https://www.lulu.com/shop/khronos-group/opengl-41-quick-reference/paperback/product-22172038.html" rel="external">4.1</a>, <a href="https://www.lulu.com/shop/khronos-group/opengl-42-quick-reference/paperback/product-22172522.html" rel="external">4.2</a>, <a href="https://www.lulu.com/shop/khronos-group/opengl-43-quick-reference/paperback/product-22172488.html" rel="external">4.3</a>, <a href="https://www.lulu.com/shop/khronos-group/opengl-44-quick-reference/paperback/product-22172429.html" rel="external">4.4</a>, <a href="https://www.lulu.com/shop/khronos-group/opengl-45-quick-reference/paperback/product-21789458.html" rel="external">4.5</a><br> <a href="https://www.lulu.com/shop/khronos-group/opengl-46-reference-guide/paperback/product-23569798.html" rel="external">4.6</a><br> <a href="https://www.slideshare.net/Khronos_Group/opengl-46-reference-guide" rel="external">Slideshare (4.6)</a> </div> <div class="refcard_download_single"> <div class="opengles"></div> <h4>OpenGL ES</h4> <select class="ref-card-download" onChange="downloadReferenceCard(this.value)"> <option value="Free PDFs">Free PDFs</option> <option value="opengles32-quick-reference-card.pdf">OpenGL ES 3.2</option> <option value="opengles31-quick-reference-card.pdf">OpenGL ES 3.1</option> <option value="opengles3-quick-reference-card.pdf">OpenGL ES 3.0</option> <option value="opengles20-reference-card.pdf">OpenGL ES 2.0</option> </select> Buy Hardcopy<br> <a href="https://www.lulu.com/shop/khronos-group/opengl-es-20-quick-reference/paperback/product-22175983.html" rel="external">2.0</a>, <a href="https://www.lulu.com/shop/khronos-group/opengl-es-30-quick-reference/paperback/product-22172057.html" rel="external">3.0</a>, <a href="https://www.lulu.com/shop/khronos-group/opengl-es-31-quick-reference/paperback/product-21764647.html" rel="external">3.1</a>, <a href="https://www.lulu.com/shop/khronos-group/opengl-es-32-reference-guide/paperback/product-22278109.html" rel="external">3.2</a><br> <a href="https://www.slideshare.net/Khronos_Group/opengl-es-32-reference-guide" rel="external">Slideshare (3.2)</a> </div> <div class="refcard_download_single"> <div class="openglsc"></div> <h4>OpenGL SC</h4> <select class="ref-card-download" onChange="downloadReferenceCard(this.value)"> <option value="Free PDFs">Free PDFs</option> <option value="openglsc-2-0-quick-reference.pdf">OpenGL SC 2.0</option> </select> Buy Hardcopy<br> <a href="http://www.lulu.com/shop/khronos-group/opengl-sc-20-quick-reference/paperback/product-22905972.html" rel="external">2.0</a><br> <a href="https://www.slideshare.net/Khronos_Group/opengl-sc-20-quick-reference" rel="external">Slideshare (2.0)</a> </div> <div class="refcard_download_single"> <div class="openvg"></div> <h4>OpenVG</h4> <select class="ref-card-download" onChange="downloadReferenceCard(this.value)"> <option value="Free PDFs">Free PDFs</option> <option value="openvg-quick-reference-card.pdf" rel="external">OpenVG 1.1</option> </select> Buy Hardcopy<br> <a href="https://www.lulu.com/shop/khronos-group/openvg-11-quick-reference/paperback/product-21789633.html" rel="external">1.1</a><br> <a href="https://www.slideshare.net/Khronos_Group/openvg-reference-card" rel="external">Slideshare (1.1)</a> </div> <div class="refcard_download_single"> <div class="openvx"></div> <h4>OpenVX</h4> <select class="ref-card-download" onChange="downloadReferenceCard(this.value)"> <option value="Free PDFs">Free PDFs</option> <option value="openvx-13-reference-card.pdf">OpenVX 1.3</option> <option value="openvx-12-reference-card.pdf">OpenVX 1.2</option> <option value="openvx-11-reference-card.pdf">OpenVX 1.1</option> <option value="openvx-10-reference-card.pdf">OpenVX 1.0</option> </select> Buy Hardcopy<br> <a href="https://www.lulu.com/shop/khronos-group-inc/openvx-10-quick-reference/paperback/product-22042286.html" rel="external">1.0</a>, <a href="https://www.lulu.com/shop/khronos-group/openvx-11-reference-guide/paperback/product-22748025.html" rel="external">1.1</a>, <a href="https://www.lulu.com/shop/khronos-group/openvx-12-reference-guide/paperback/product-23142592.html" rel="external">1.2</a>, <a href="https://www.lulu.com/shop/khronos-group-inc/openvx-13-reference-guide/paperback/product-24240638.html" rel="external">1.3</a><br> <a href="https://www.slideshare.net/Khronos_Group/openvx-13-reference-guide" rel="external">Slideshare (1.3)</a> </div> <div class="refcard_download_single"> <div class="openxr"></div> <h4>OpenXR</h4> <select class="ref-card-download" onChange="downloadReferenceCard(this.value)"> <option value="Free PDFs">Free PDFs</option> <option value="openxr-10-reference-guide.pdf">OpenXR 1.0</option> <option value="openxr-090-overview-guide.pdf">OpenXR 0.90</option> </select> Buy Hardcopy<br> <a href="http://www.lulu.com/shop/khronos-group-inc/openxr-10-reference-guide/paperback/product-24187503.html" rel="external">1.0</a><br> <a href="https://www.slideshare.net/Khronos_Group/openxr-10-reference-guide-246334337/" rel="external">Slideshare (1.0)</a> </div> <div class="refcard_download_single"> <div class="sycl"></div> <h4>SYCL</h4> <select class="ref-card-download" onChange="downloadReferenceCard(this.value)"> <option value="Free PDFs">Free PDFs</option> <option value="sycl/sycl-2020-reference-guide.pdf">SYCL 2020</option> <option value="sycl/sycl-121-reference-card.pdf">SYCL 1.2.1</option> <option value="sycl/sycl-12-reference-card.pdf">SYCL 1.2</option> </select> Buy Hardcopy<br> <a href="http://www.lulu.com/shop/khronos-group/sycl-12-quick-reference/paperback/product-22148209.html" rel="external">1.2</a>, <a href="http://www.lulu.com/shop/khronos-group/sycl-121-quick-reference/paperback/product-23766076.html" rel="external">1.2.1</a><br> <a href="https://www.slideshare.net/Khronos_Group/sycl-2020-specification" rel="external">Slideshare (2020)</a> </div> <div class="refcard_download_single"> <div class="vulkan"></div> <h4>Vulkan</h4> <select class="ref-card-download" onChange="downloadReferenceCard(this.value)"> <option value="Free PDFs">Free PDFs</option> <option value="vulkan11-reference-guide.pdf">Vulkan 1.1</option> <option value="vulkan10-reference-guide.pdf">Vulkan 1.0</option> </select> Buy Hardcopy<br> <a href="https://www.lulu.com/shop/khronos-group/vulkan-10-quick-reference/paperback/product-23000687.html" rel="external">1.0</a>, <a href="https://www.lulu.com/shop/khronos-group-inc/vulkan-11-quick-reference/paperback/product-23864189.html" rel="external">1.1</a><br> <a href="https://www.slideshare.net/Khronos_Group/vulkan-11-reference-guide-122350225" rel="external">Slideshare (1.1)</a> </div> <div class="refcard_download_single"> <div class="webgl"></div> <h4>WebGL</h4> <select class="ref-card-download" onChange="downloadReferenceCard(this.value)"> <option value="Free PDFs">Free PDFs</option> <option value="webgl20-reference-guide.pdf">WebGL 2.0</option> <option value="webgl/webgl-reference-card-1_0.pdf">WebGL 1.0</option> </select> Buy Hardcopy<br> <a href="https://www.lulu.com/shop/khronos-group/webgl-20-quick-reference/paperback/product-23058688.html" rel="external">2.0</a>, <a href="https://www.lulu.com/shop/khronos-group/webgl-10-quick-reference/paperback/product-21764740.html" rel="external">1.0</a><br> <a href="https://www.slideshare.net/Khronos_Group/webgl-20-reference-guide" rel="external">Slideshare (2.0)</a><br> </div> </div> </div> <div class="section_sidebar"> <nav class="quick_links"> <div class="h4" style="padding-bottom:0.9em"><span><i class="fa-solid fa-link" aria-hidden="true"></i></span> Developer Links </div> <ul> <li><a href="/developers">Overview</a></li> <li><a href="https://registry.khronos.org/">Registry</a></li> <li><a href="https://github.com/KhronosGroup" rel="external">Github</a></li> <li><a href="https://community.khronos.org/" rel="external">Khronos Forums</a></li> <li><a href="https://khr.io/khrdiscord">Khronos Discord</a></li> <li><a href="https://discord.gg/vulkan">Vulkan Discord</a></li> <li><a href="/blog/">Khronos Blog</a></li> <li><a href="/developers/library/">Videos & Presentations</a></li> <li><a href="/developers/reference-cards/">Reference Guides</a></li> <li><a href="/developers/books/">Books</a></li> <li><a href="/rfp">Request for Proposals</a></li> </ul> </nav> </div> </div> </div> </section> </div> <footer id="khronosFooter" class="footer"> <div class="container"> <p class="sr-only">Page footer starts here. <a href="#backtop">Return to main content</a></p> <div class="row"> <div class="col-xs-12 col-sm-4 footer_branding"> <figure><a href="https://www.khronos.org/"><img src="/assets/css/images/khronos-logo-inverted.svg" alt="Khronos Logo"></a></figure> <p> 9450 SW Gemini Drive #45043<br> Beaverton, OR 97008-6018 USA<br> Office: +1 (415) 869-8627</p> </div> <div class="col-xs-12 col-sm-8 footer_details"> <div class="row"> <div class="col-xs-12 col-md-5"> <a href="http://eepurl.com/Xh4Q" class="btn btn-blue-dark text-uppercase">sign up for our newsletter</a> </div> <div class="col-xs-12 col-md-7" style="margin-top: 0;"> <ul class="social_links list-unstyled social_icons"> <li><a rel="me" href="https://bsky.app/profile/khronos.org" aria-label="Khronos Bluesky Account"><i class="fa-brands fa-2x fa-bluesky" aria-hidden="true"></i></a></li> <li> <a rel="me" href="https://x.com/thekhronosgroup" aria-label="Khronos X Account"> <i class="fa-brands fa-2x fa-x-twitter" aria-hidden="true"></i> </a> </li> <li> <a rel="me" href="https://fosstodon.org/@thekhronosgroup" aria-label="Khronos Mastodon Account"> <i class="fa-brands fa-2x fa-mastodon" aria-hidden="true"></i> </a> </li> <li> <a href="https://khr.io/khrdiscord" aria-label="Khronos Discord Server"> <i class="fa-brands fa-2x fa-discord" aria-hidden="true"></i> </a> </li> <li> <a href="https://www.khronos.org/marketing/social-media/wechat" aria-label="Khronos WeChat"> <i class="fa-brands fa-2x fa-weixin" aria-hidden="true"></i> </a> </li> <li> <a href="https://www.youtube.com/user/khronosgroup" aria-label="Khronos YouTube Channel"> <i class="fa-brands fa-2x fa-youtube" aria-hidden="true"></i> </a> </li> <li> <a href="https://www.flickr.com/photos/khronos/" aria-label="Khronos Flickr page"> <i class="fa-brands fa-2x fa-flickr" aria-hidden="true"></i> </a> </li> <li> <a href="https://www.linkedin.com/groups?gid=121429" aria-label="Khronos LinkedIn Profile"> <i class="fa-brands fa-2x fa-linkedin" aria-hidden="true"></i> </a> </li> <li class="hidden-xs"> <a href="https://www.khronos.org/feeds/" aria-label="Khronos News Feed page"> <i class="fa-solid fa-2x fa-rss" aria-hidden="true"></i> </a> </li> </ul> </div> </div> <div class="row"> <div class="col-xs-12 col-md-6"> <ul class="list-unstyled footer-policy"> <li> <a href="https://www.khronos.org/about/diversity-and-inclusion/" rel="nofollow">Diversity & Inclusion</a> </li> <li> <a href="https://www.khronos.org/legal/" rel="nofollow">Legal Notices</a> </li> <li> <a href="https://www.khronos.org/legal/privacy" rel="nofollow">Privacy Policy</a> </li> <li> <a href="https://www.khronos.org/about/code-of-conduct" rel="nofollow">Code of Conduct</a> </li> <li> <a href="https://www.khronos.org/legal/trademarks/">Trademark Usage</a> </li> </ul> </div> <div class="col-xs-12 col-md-6 language"> <div style="display: inline-block;">Language</div> : <a class="btn btn-sm btn-blue-dark" href="https://www.khronos.org/" aria-label="Visit Khronos English Website">EN</a> <a class="btn btn-sm btn-blue-dark" href="https://www.khronos.org/news/cn/" aria-label="View Khronos Chinese Press Releases">CN</a> <a class="btn btn-sm btn-blue-dark" href="https://www.khronos.org/news/jp/" aria-label="View Khronos Japanese Press Releases">JP</a> <a class="btn btn-sm btn-blue-dark" href="https://www.khronos.org/news/kr/" aria-label="View Khronos Korean Press Releases">KR</a> </div> </div> </div> </div> <div class="copyright">© The Khronos<sup>®</sup> Group Inc. 2025. All rights reserved. Hosting provided by <a href="https://www.digitalocean.com/?refcode=645028c23608&utm_campaign=Referral_Invite&utm_medium=Referral_Program&utm_source=link" style="text-decoration:underline;" aria-label="Hosted by Digital Ocean">DigitalOcean</a></div> <div class="trademark">Khronos® and Vulkan® are registered trademarks, and ANARI™, WebGL™, glTF™, KTX™, NNEF™, OpenVX™, SPIR™, SPIR-V™, SYCL™, OpenVG™, Karamos™ and 3D Commerce™ are trademarks of The Khronos Group Inc. OpenXR™ is a trademark owned by The Khronos Group Inc. and is registered as a trademark in China, the European Union, Japan and the United Kingdom. OpenCL™ is a trademark of Apple Inc. and OpenGL® is a registered trademark and the OpenGL ES™ and OpenGL SC™ logos are trademarks of Hewlett Packard Enterprise used under license by Khronos. All other product names, trademarks, and/or company names are used solely for identification and belong to their respective owners.</div> </div> </footer> </div> <a class="scroll_to top_button" href="#backtop" aria-label="Scroll to top of current page"><i class="khricon fa-solid fa-2x fa-arrow-up"></i></a> <script src="/assets/js/app.js?v14"></script> <script type="text/javascript"> function downloadReferenceCard(selectedReferenceCard) { if (selectedReferenceCard == 'Free PDFs') return; window.location = 'https://www.khronos.org/files/' + selectedReferenceCard; } </script> <div style="display: none;" aria-hidden="true"><a style="color:white" href="https://www.khronos.org/assets/utilities/holder.php">devilish</a></div> </body> </html>