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$static_title = 'Khronos OpenGL&reg; Registry';
<p> The OpenGL Registry contains specifications, header files, and
related documentation for OpenGL and related APIs including GLU,
GLX, and WGL. In addition to the core API specifications, many
extensions to these APIs have been defined by vendors, groups of
vendors, and the ARB. The Registry also contains specifications and
header files for all registered extensions, written as modifications
to the appropriate core API specifications. </p>
<p> The Registry also includes naming conventions, guidelines for
creating new extensions and writing suitable extension
specifications, and other documentation related to these APIs. </p>
<p> <b>Table of Contents</b>
<li> <b><a href="#apispecs">Current OpenGL API, Shading Language, GLX,
and Related Specifications and Reference Pages</a></b> </li>
<li> <a href="#headers">Core API and Extension Header Files</a> </li>
<li> <b>
<a href=""> IP
Disclosures</a> Potentially Affecting OpenGL Implementations
<li> <b> Extension Specifications </b>
<li> <a href="#arbextspecs">OpenGL ARB Extensions Specifications</a> </li>
<li> <a href="#otherextspecs">OpenGL Vendor and EXT Extension Specifications</a>
</ul> </li>
<li> Older Material for Reference
<li> <b><a href="#oldspecs">Older OpenGL and GLX Specifications and
Reference Pages</a></b> </li>
<li> <a href="#abi">OpenGL Application Binary Interface for Linux</a>
</ul> </li>
<h2> <a name="apispecs"></a>
Current OpenGL API, OpenGL Shading Language and GLX Specifications and
Reference Pages </h2>
<li> <b> Current Specifications (OpenGL 4.6) </b>
<li> OpenGL 4.6 API Specification (updated May 14, 2018)
<li> <a href="specs/gl/glspec46.core.pdf"> Core Profile Specification
</a> </li>
<li> <a href="specs/gl/glspec46.core.withchanges.pdf"> Core Profile
Specification with changes marked </a> </li>
<li> <a href="specs/gl/glspec46.compatibility.pdf"> Compatibility Profile
Specification </a> </li>
<li> <a href="specs/gl/glspec46.compatibility.withchanges.pdf">
Compatibility Profile Specification with changes marked </a>
</ul> </li>
<li> OpenGL Shading Language 4.60 Specification (updated May 11, 2018)
<a href="specs/gl/GLSLangSpec.4.60.pdf"> (PDF) </a> </li>
<li> <a href=""> OpenGL 4.5 API and
Shading Language Reference Pages </a> (not yet updated) </li>
<li> <b> OpenGL X Window System Binding (GLX 1.4) Specification </b> </li>
<li> <a href="specs/gl/glx1.4.pdf"> GLX 1.4 Specification </a> </li>
<li> <a href=""> OpenGL
Quick Reference Card </a> (available for different API versions). </li>
<h2> <a name="headers"></a> API and Extension Header Files </h2>
<p> Because extensions vary from platform to platform and driver to
driver, OpenGL developers can't expect interfaces for all extensions
to be defined in the standard <tt>gl.h</tt>, <tt>glx.h</tt>, and
<tt>wgl.h</tt> header files supplied with the OS / graphics drivers.
Additional header files are provided here, including: </p>
<p> Almost all of the headers described below depend on a platform header
file common to multiple Khronos APIs called
<tt>&lt;KHR/khrplatform.h&gt;</tt>. </p>
<li> <tt><a href="api/GL/glext.h">&lt;GL/glext.h&gt;</a></tt> - OpenGL
1.2 and above compatibility profile and extension interfaces. </li>
<li> <tt><a href="api/GL/glcorearb.h">&lt;GL/glcorearb.h&gt;</a></tt> -
OpenGL core profile and ARB extension interfaces, as described in
appendix G.2 of the OpenGL 4.3 Specification. Does not include
interfaces found only in the compatibility profile. </li>
<li> <tt><a href="api/GL/glxext.h">&lt;GL/glxext.h&gt;</a></tt> - GLX
1.3 and above API and GLX extension interfaces. </li>
<li> <tt><a href="api/GL/wglext.h">&lt;GL/wglext.h&gt;</a></tt> - WGL
extension interfaces. </li>
<p> These headers define interfaces including enumerants; prototypes; and,
for platforms supporting dynamic runtime extension queries, such as
Linux and Microsoft Windows, function pointer typedefs. Please report
problems as <a
in the <a href="index.php#repository">OpenGL-Registry</a> repository.
<p> <a name="headerskhr"></a> <b> Khronos Shared Platform Header
(<tt>&lt;KHR/khrplatform.h&gt;</tt>) </b> </p>
<li> The OpenGL headers all depend on the shared
<a href="">
<tt>&lt;KHR/khrplatform.h&gt;</tt></a> header from the <a
href=""> EGL Registry </a>.
This is a new dependency, introduced in
<a href="">
OpenGL-Registry pull request 183</a> for increased compatibility
between OpenGL and OpenGL ES headers. </li>
<!-- Older Material -->
<h2> <a name="oldspecs"></a>
Older OpenGL and GLX Specifications and Reference Pages
<!-- Does not link to diff/withchanges specs, yet -->
<li> <b> OpenGL 4.5 </b>
<li> <a href="specs/gl/glspec45.core.pdf"> (API Core Profile) </a> </li>
<li> <a href="specs/gl/glspec45.compatibility.pdf"> (API Compatibility Profile) </a> </li>
<li> <a href="specs/gl/GLSLangSpec.4.50.pdf"> OpenGL Shading Language
4.50 Specification </a> </li>
<li> <b> OpenGL 4.4 </b>
<li> <a href="specs/gl/glspec44.core.pdf"> (API Core Profile) </a> </li>
<li> <a href="specs/gl/glspec44.compatibility.pdf"> (API Compatibility Profile) </a> </li>
<li> <a href="specs/gl/GLSLangSpec.4.40.pdf"> OpenGL Shading Language
4.40 Specification </a> </li>
<li> <b> OpenGL 4.3 </b>
<li> <a href="specs/gl/glspec43.core.pdf"> (API Core Profile) </a> </li>
<li> <a href="specs/gl/glspec43.compatibility.pdf"> (API Compatibility Profile) </a> </li>
<li> <a href="specs/gl/GLSLangSpec.4.30.pdf"> OpenGL Shading Language
4.30 Specification </a> </li>
<li> <b> OpenGL 4.2 </b>
<li> <a href="specs/gl/glspec42.core.pdf"> (API Core Profile) </a> </li>
<li> <a href="specs/gl/glspec42.compatibility.pdf"> (API Compatibility Profile) </a> </li>
<li> <a href="specs/gl/GLSLangSpec.4.20.pdf"> OpenGL Shading Language
4.20 Specification </a> </li>
<li> <b> OpenGL 4.1 </b>
<li> <a href="specs/gl/glspec41.core.pdf"> (API Core Profile) </a> </li>
<li> <a href="specs/gl/glspec41.compatibility.pdf"> (API Compatibility Profile) </a> </li>
<li> <a href="specs/gl/GLSLangSpec.4.10.pdf"> OpenGL Shading Language 4.10
Specification </a> </li>
<li> <b> OpenGL 4.0 </b>
<li> <a href="specs/gl/glspec40.core.pdf"> (API Core Profile) </a> </li>
<li> A <a href=""> Japanese
translation </a> of the API core profile specification is also
available. </li>
<li> <a href="specs/gl/glspec40.compatibility.pdf"> (API Compatibility Profile) </a> </li>
<li> <a href="specs/gl/GLSLangSpec.4.00.pdf"> OpenGL Shading Language 4.00
Specification </a> </li>
<li> <b> OpenGL 3.3 </b>
<li> <a href="specs/gl/glspec33.core.pdf"> (API Core Profile) </a> </li>
<li> <a href="specs/gl/glspec33.compatibility.pdf"> (API Compatibility Profile) </a> </li>
<li> <a href="specs/gl/GLSLangSpec.3.30.pdf"> OpenGL Shading Language
3.30 Specification </a> </li>
<li> <b> OpenGL 3.3 Reference Pages </b>
<li> <a href=""> OpenGL 3.3 Reference
Pages </a> </li>
<li> <b> OpenGL 3.2 </b>
<li> <a href="specs/gl/glspec32.core.pdf"> (API Core Profile) </a> </li>
<li> <a href="specs/gl/glspec32.compatibility.pdf"> (API Compatibility Profile) </a> </li>
<li> <a href="specs/gl/GLSLangSpec.1.50.pdf"> OpenGL Shading Language
1.50 Specification </a> </li>
<li> <b> OpenGL 3.1 </b>
<li> <a href="specs/gl/glspec31.pdf"> (API Specification) </a> </li>
<li> <a href="specs/gl/glspec31undep.pdf">
(with GL_ARB_compatibility extension) </a> </li>
<li> <a href="specs/gl/GLSLangSpec.1.40.pdf"> OpenGL Shading Language
1.40 Specification </a> </li>
<li> <b> OpenGL 3.0 </b>
<li> <a href="specs/gl/glspec30.pdf"> (API Specification) </a> </li>
<li> <a href="specs/gl/GLSLangSpec.1.30.pdf"> OpenGL Shading Language
1.30 Specification </a> </li>
<li> <b> OpenGL 2.1 </b>
<li> <a href="specs/gl/glspec21.pdf"> (API Specification) </a> </li>
<li> <a href="specs/gl/GLSLangSpec.1.20.pdf"> OpenGL Shading Language
1.20 Specification </a> </li>
<li> <b> OpenGL 2.1 Reference Pages </b>
<li> <a href=""> OpenGL 2.1 Reference
Pages </a> </li>
<li> <b> OpenGL 2.0 </b>
<li> <a href="specs/gl/glspec20.pdf"> (API Specification) </a> </li>
<li> <a href="specs/gl/GLSLangSpec.1.10.pdf"> OpenGL Shading Language
1.10 Specification </a> </li>
<li> <b> OpenGL 1.x </b>
<li> <a href="specs/gl/glspec15.pdf"> OpenGL 1.5 API Specification </a>
<li> <a href="specs/gl/glspec14.pdf"> OpenGL 1.4 API Specification </a>
<li> <a href="specs/gl/glspec13.pdf"> OpenGL 1.3 API Specification </a>
<li> <a href="specs/gl/glspec121.pdf"> OpenGL 1.2.1 API Specification </a>
<li> <a href="specs/gl/"> OpenGL 1.1 API Specification (PostScript format) </a>
<li> <a href="specs/gl/glspec10.pdf"> OpenGL 1.0 API Specification </a>
<li> <b> Older GLX Specifications </b>
<li> <a href="specs/gl/glx1.3.pdf"> GLX 1.3 Specification </a>
<li> <a href="specs/gl/glxencode1.3.pdf"> GLX 1.3 Protocol Encoding
Specification </a>
<li> <a href="specs/gl/"> GLX 1.2 Specification (PostScript format) </a>
<li> <a href="specs/gl/"> GLX Protocol Slides (PostScript
format; only of historical interest) </a>
<li> <b> OpenGL Utility Library (GLU) Specification </b>
<li> <a href="specs/gl/glu1.3.pdf"> GLU 1.3 Specification (November 4, 1998) </a>
<h2> <a name="abi"></a>
OpenGL Application Binary Interface for Linux </h2>
<p> The <a href="ABI/">OpenGL Application Binary Interface for Linux</a> is
also available. Note that the ABI is extremely old and of little use
today. </p>
<h2> <a name="arbextspecs"></a>
ARB Extensions by number</h2>
<?php include("extensions/arbext.php"); ?>
<h2> <a name="otherextspecs"></a>
Vendor and EXT Extensions by number</h2>
<?php include("extensions/glext.php"); ?>
<?php include_once("../../assets/static_pages/khr_page_bottom.php"); ?>