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86 lines
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<div class="section">
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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
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<a name="boost_compute.interop"></a><a class="link" href="interop.html" title="Interoperability">Interoperability</a>
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</h2></div></div></div>
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<div class="toc"><dl class="toc"><dt><span class="section"><a href="interop.html#boost_compute.interop.opengl">OpenGL</a></span></dt></dl></div>
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<p>
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Boost.Compute provides a number of facilities to ease interoperability with
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other C and C++ libraries including <a href="http://en.wikipedia.org/wiki/OpenGL" target="_top">OpenGL</a>,
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<a href="http://opencv.org/" target="_top">OpenCV</a>, <a href="http://eigen.tuxfamily.org" target="_top">Eigen</a>,
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<a href="http://qt-project.org/" target="_top">Qt</a>, and <a href="http://vtk.org/" target="_top">VTK</a>.
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</p>
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<p>
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All of the interop headers are located in the <code class="computeroutput"><span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">compute</span><span class="special">/</span><span class="identifier">interop</span><span class="special">/...></span></code> directory.
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</p>
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<div class="section">
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<div class="titlepage"><div><div><h3 class="title">
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<a name="boost_compute.interop.opengl"></a><a class="link" href="interop.html#boost_compute.interop.opengl" title="OpenGL">OpenGL</a>
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</h3></div></div></div>
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<p>
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OpenGL is a standard API for 3D graphics and closely related to OpenCL.
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</p>
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<p>
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Boost.Compute provides an easy way to create a shared OpenCL/OpenGL context
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via the <code class="computeroutput"><a class="link" href="../boost/compute/opengl_c_idm45423121847168.html" title="Function opengl_create_shared_context">opengl_create_shared_context()</a></code>
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function. This creates a Boost.Compute <code class="computeroutput">context</code>
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object which can be used to create OpenCL memory buffers corresponding to
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OpenGL memory objects (such as VBOs). This allows for OpenCL kernels to read
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and write data which is then used directly for rendering with OpenGL.
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</p>
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<p>
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Boost.Compute provides a few classes to manage OpenGL objects and make them
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accessible to OpenCL. These include <code class="computeroutput"><a class="link" href="../boost/compute/opengl_buffer.html" title="Class opengl_buffer">opengl_buffer</a></code>
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(for OpenGL memory objects) and <code class="computeroutput"><a class="link" href="../boost/compute/opengl_texture.html" title="Class opengl_texture">opengl_texture</a></code>
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(for OpenGL texture objects).
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</p>
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<p>
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Control of shared OpenCL/OpenGL memory objects is transfered between OpenCL
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and OpenGL using the <code class="computeroutput"><a class="link" href="../boost/compute/opengl_e_idm45423121876512.html" title="Function opengl_enqueue_acquire_gl_objects">opengl_enqueue_acquire_gl_objects()</a></code>
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and <code class="computeroutput"><a class="link" href="../boost/compute/opengl_e_idm45423121870000.html" title="Function opengl_enqueue_release_gl_objects">opengl_enqueue_release_gl_objects()</a></code>
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functions.
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</p>
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<p>
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See the OpenCL documentation for the <a href="https://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/cl_khr_gl_sharing.html" target="_top">cl_khr_gl_sharing</a>
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extension for more information.
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</p>
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</div>
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</div>
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="left"></td>
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<td align="right"><div class="copyright-footer">Copyright © 2013, 2014 Kyle Lutz<p>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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