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| <title>eglCopyBuffers</title> |
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| </head> |
| <body> |
| <div class="refentry"> |
| <a id="eglCopyBuffers"></a> |
| <div class="titlepage"></div> |
| <div xmlns="" class="refnamediv"> |
| <h1>eglCopyBuffers</h1> |
| <p> |
| copy <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">EGL</acronym> surface color buffer to a native pixmap |
| </p> |
| </div> |
| <div class="refsynopsisdiv"> |
| <h2>C Specification</h2> |
| <div class="funcsynopsis"> |
| <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"> |
| <tr valign="bottom"> |
| <td> |
| <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">EGLBoolean <strong class="fsfunc">eglCopyBuffers</strong>(</code> |
| <td>EGLDisplay <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">display</var>, </td> |
| </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td>EGLSurface <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">surface</var>, </td> |
| </tr> |
| <tr valign="top"> |
| <td> </td> |
| <td>NativePixmapType <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">native_pixmap</var><code>)</code></td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a id="parameters"></a> |
| <h2>Parameters</h2> |
| <div class="variablelist"> |
| <dl class="variablelist"> |
| <dt> |
| <span class="term"> |
| <em class="parameter"> |
| <code>display</code> |
| </em> |
| </span> |
| </dt> |
| <dd> |
| <p> |
| Specifies the EGL display connection. |
| </p> |
| </dd> |
| <dt> |
| <span class="term"> |
| <em class="parameter"> |
| <code>surface</code> |
| </em> |
| </span> |
| </dt> |
| <dd> |
| <p> |
| Specifies the EGL surface whose color buffer is to be copied. |
| </p> |
| </dd> |
| <dt> |
| <span class="term"> |
| <em class="parameter"> |
| <code>native_pixmap</code> |
| </em> |
| </span> |
| </dt> |
| <dd> |
| <p> |
| Specifies the native pixmap as target of the copy. |
| </p> |
| </dd> |
| </dl> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a id="description"></a> |
| <h2>Description</h2> |
| <p> |
| <code class="function">eglCopyBuffers</code> copies the color buffer of |
| <em class="parameter"><code>surface</code></em> to <em class="parameter"><code>native_pixmap</code></em>. |
| </p> |
| <p> |
| <code class="function">eglCopyBuffers</code> performs an implicit |
| <a class="citerefentry" href="glFlush.html"><span class="citerefentry"><span class="refentrytitle">glFlush</span></span></a> |
| before it returns. Subsequent |
| GL commands may be issued immediately after calling |
| <code class="function">eglCopyBuffers</code>, |
| but are not executed until copying of the color buffer is completed. |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="notes"></a> |
| <h2>Notes</h2> |
| <p> |
| The color buffer of <em class="parameter"><code>surface</code></em> is left unchanged |
| after calling <code class="function">eglCopyBuffers</code>. |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="errors"></a> |
| <h2>Errors</h2> |
| <p> |
| <code class="constant">EGL_FALSE</code> is returned if swapping of the |
| surface buffers fails, <code class="constant">EGL_TRUE</code> otherwise. |
| </p> |
| <p> |
| <code class="constant">EGL_BAD_DISPLAY</code> is generated if |
| <em class="parameter"><code>display</code></em> is not an EGL display connection. |
| </p> |
| <p> |
| <code class="constant">EGL_NOT_INITIALIZED</code> is generated if |
| <em class="parameter"><code>display</code></em> has not been initialized. |
| </p> |
| <p> |
| <code class="constant">EGL_BAD_SURFACE</code> is generated if |
| <em class="parameter"><code>surface</code></em> is not an EGL drawing surface. |
| </p> |
| <p> |
| <code class="constant">EGL_BAD_NATIVE_PIXMAP</code> is generated if |
| the implementation does not support native pixmaps. |
| </p> |
| <p> |
| <code class="constant">EGL_BAD_NATIVE_PIXMAP</code> may be generated if |
| <em class="parameter"><code>native_pixmap</code></em> is not a valid native pixmap. |
| </p> |
| <p> |
| <code class="constant">EGL_BAD_MATCH</code> is generated if |
| the format of <em class="parameter"><code>native_pixmap</code></em> is not compatible |
| with the color buffer of <em class="parameter"><code>surface</code></em>. |
| </p> |
| <p> |
| <code class="constant">EGL_CONTEXT_LOST</code> is generated if a power management |
| event has occurred. The application must destroy all contexts and |
| reinitialise OpenGL ES state and objects to continue rendering. |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="seealso"></a> |
| <h2>See Also</h2> |
| <p> |
| <a class="citerefentry" href="glFlush.html"><span class="citerefentry"><span class="refentrytitle">glFlush</span></span></a>, |
| <a class="citerefentry" href="eglSwapBuffers.html"><span class="citerefentry"><span class="refentrytitle">eglSwapBuffers</span></span></a> |
| </p> |
| </div> |
| <div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p> |
| Copyright © 2003-2014 The Khronos Group Inc. |
| Permission is hereby granted, free of charge, to any person obtaining a |
| copy of this software and/or associated documentation files (the |
| "Materials"), to deal in the Materials without restriction, including |
| without limitation the rights to use, copy, modify, merge, publish, |
| distribute, sublicense, and/or sell copies of the Materials, and to |
| permit persons to whom the Materials are furnished to do so, subject to |
| the condition that this copyright notice and permission notice shall be included |
| in all copies or substantial portions of the Materials. |
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