102f4aeb0Sopenharmony_ci<?xml version="1.0" encoding="UTF-8" standalone="no"?> 202f4aeb0Sopenharmony_ci<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml"> 302f4aeb0Sopenharmony_ci <head> 402f4aeb0Sopenharmony_ci <title xmlns:xlink="http://www.w3.org/1999/xlink">eglCopyBuffers - EGL Reference Pages</title> 502f4aeb0Sopenharmony_ci <link rel="stylesheet" type="text/css" href="khronos-man.css"/> 602f4aeb0Sopenharmony_ci <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"/> 702f4aeb0Sopenharmony_ci </head> 802f4aeb0Sopenharmony_ci <body> 902f4aeb0Sopenharmony_ci <header/> 1002f4aeb0Sopenharmony_ci <div class="refentry" id="eglCopyBuffers"> 1102f4aeb0Sopenharmony_ci <div class="titlepage"/> 1202f4aeb0Sopenharmony_ci <div class="refnamediv"> 1302f4aeb0Sopenharmony_ci <h2>Name</h2> 1402f4aeb0Sopenharmony_ci <p>eglCopyBuffers — 1502f4aeb0Sopenharmony_ci copy <abbr class="acronym">EGL</abbr> surface color buffer to a native pixmap 1602f4aeb0Sopenharmony_ci </p> 1702f4aeb0Sopenharmony_ci </div> 1802f4aeb0Sopenharmony_ci <div class="refsynopsisdiv"> 1902f4aeb0Sopenharmony_ci <h2>C Specification</h2> 2002f4aeb0Sopenharmony_ci <div class="funcsynopsis"> 2102f4aeb0Sopenharmony_ci <table style="border: 0; cellspacing: 0; cellpadding: 0;" class="funcprototype-table"> 2202f4aeb0Sopenharmony_ci <tr> 2302f4aeb0Sopenharmony_ci <td> 2402f4aeb0Sopenharmony_ci <code class="funcdef">EGLBoolean <strong class="fsfunc">eglCopyBuffers</strong>(</code> 2502f4aeb0Sopenharmony_ci </td> 2602f4aeb0Sopenharmony_ci <td>EGLDisplay <var class="pdparam">display</var>, </td> 2702f4aeb0Sopenharmony_ci </tr> 2802f4aeb0Sopenharmony_ci <tr> 2902f4aeb0Sopenharmony_ci <td> </td> 3002f4aeb0Sopenharmony_ci <td>EGLSurface <var class="pdparam">surface</var>, </td> 3102f4aeb0Sopenharmony_ci </tr> 3202f4aeb0Sopenharmony_ci <tr> 3302f4aeb0Sopenharmony_ci <td> </td> 3402f4aeb0Sopenharmony_ci <td>NativePixmapType <var class="pdparam">native_pixmap</var><code>)</code>;</td> 3502f4aeb0Sopenharmony_ci </tr> 3602f4aeb0Sopenharmony_ci </table> 3702f4aeb0Sopenharmony_ci <div class="funcprototype-spacer"> </div> 3802f4aeb0Sopenharmony_ci </div> 3902f4aeb0Sopenharmony_ci </div> 4002f4aeb0Sopenharmony_ci <div class="refsect1" id="parameters"> 4102f4aeb0Sopenharmony_ci <h2>Parameters</h2> 4202f4aeb0Sopenharmony_ci <div class="variablelist"> 4302f4aeb0Sopenharmony_ci <dl class="variablelist"> 4402f4aeb0Sopenharmony_ci <dt> 4502f4aeb0Sopenharmony_ci <span class="term"> 4602f4aeb0Sopenharmony_ci <em class="parameter"> 4702f4aeb0Sopenharmony_ci <code>display</code> 4802f4aeb0Sopenharmony_ci </em> 4902f4aeb0Sopenharmony_ci </span> 5002f4aeb0Sopenharmony_ci </dt> 5102f4aeb0Sopenharmony_ci <dd> 5202f4aeb0Sopenharmony_ci <p> 5302f4aeb0Sopenharmony_ci Specifies the EGL display connection. 5402f4aeb0Sopenharmony_ci </p> 5502f4aeb0Sopenharmony_ci </dd> 5602f4aeb0Sopenharmony_ci <dt> 5702f4aeb0Sopenharmony_ci <span class="term"> 5802f4aeb0Sopenharmony_ci <em class="parameter"> 5902f4aeb0Sopenharmony_ci <code>surface</code> 6002f4aeb0Sopenharmony_ci </em> 6102f4aeb0Sopenharmony_ci </span> 6202f4aeb0Sopenharmony_ci </dt> 6302f4aeb0Sopenharmony_ci <dd> 6402f4aeb0Sopenharmony_ci <p> 6502f4aeb0Sopenharmony_ci Specifies the EGL surface whose color buffer is to be copied. 6602f4aeb0Sopenharmony_ci </p> 6702f4aeb0Sopenharmony_ci </dd> 6802f4aeb0Sopenharmony_ci <dt> 6902f4aeb0Sopenharmony_ci <span class="term"> 7002f4aeb0Sopenharmony_ci <em class="parameter"> 7102f4aeb0Sopenharmony_ci <code>native_pixmap</code> 7202f4aeb0Sopenharmony_ci </em> 7302f4aeb0Sopenharmony_ci </span> 7402f4aeb0Sopenharmony_ci </dt> 7502f4aeb0Sopenharmony_ci <dd> 7602f4aeb0Sopenharmony_ci <p> 7702f4aeb0Sopenharmony_ci Specifies the native pixmap as target of the copy. 7802f4aeb0Sopenharmony_ci </p> 7902f4aeb0Sopenharmony_ci </dd> 8002f4aeb0Sopenharmony_ci </dl> 8102f4aeb0Sopenharmony_ci </div> 8202f4aeb0Sopenharmony_ci </div> 8302f4aeb0Sopenharmony_ci <div class="refsect1" id="description"> 8402f4aeb0Sopenharmony_ci <h2>Description</h2> 8502f4aeb0Sopenharmony_ci <p> 8602f4aeb0Sopenharmony_ci <code class="function">eglCopyBuffers</code> copies the color buffer of 8702f4aeb0Sopenharmony_ci <em class="parameter"><code>surface</code></em> to <em class="parameter"><code>native_pixmap</code></em>. 8802f4aeb0Sopenharmony_ci </p> 8902f4aeb0Sopenharmony_ci <p> 9002f4aeb0Sopenharmony_ci <code class="function">eglCopyBuffers</code> performs an implicit 9102f4aeb0Sopenharmony_ci <a class="citerefentry" href="glFlush.xhtml"><span class="citerefentry"><span class="refentrytitle">glFlush</span></span></a> 9202f4aeb0Sopenharmony_ci before it returns. Subsequent 9302f4aeb0Sopenharmony_ci GL commands may be issued immediately after calling 9402f4aeb0Sopenharmony_ci <code class="function">eglCopyBuffers</code>, 9502f4aeb0Sopenharmony_ci but are not executed until copying of the color buffer is completed. 9602f4aeb0Sopenharmony_ci </p> 9702f4aeb0Sopenharmony_ci </div> 9802f4aeb0Sopenharmony_ci <div class="refsect1" id="notes"> 9902f4aeb0Sopenharmony_ci <h2>Notes</h2> 10002f4aeb0Sopenharmony_ci <p> 10102f4aeb0Sopenharmony_ci The color buffer of <em class="parameter"><code>surface</code></em> is left unchanged 10202f4aeb0Sopenharmony_ci after calling <code class="function">eglCopyBuffers</code>. 10302f4aeb0Sopenharmony_ci </p> 10402f4aeb0Sopenharmony_ci </div> 10502f4aeb0Sopenharmony_ci <div class="refsect1" id="errors"> 10602f4aeb0Sopenharmony_ci <h2>Errors</h2> 10702f4aeb0Sopenharmony_ci <p> 10802f4aeb0Sopenharmony_ci <code class="constant">EGL_FALSE</code> is returned if swapping of the 10902f4aeb0Sopenharmony_ci surface buffers fails, <code class="constant">EGL_TRUE</code> otherwise. 11002f4aeb0Sopenharmony_ci </p> 11102f4aeb0Sopenharmony_ci <p> 11202f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_DISPLAY</code> is generated if 11302f4aeb0Sopenharmony_ci <em class="parameter"><code>display</code></em> is not an EGL display connection. 11402f4aeb0Sopenharmony_ci </p> 11502f4aeb0Sopenharmony_ci <p> 11602f4aeb0Sopenharmony_ci <code class="constant">EGL_NOT_INITIALIZED</code> is generated if 11702f4aeb0Sopenharmony_ci <em class="parameter"><code>display</code></em> has not been initialized. 11802f4aeb0Sopenharmony_ci </p> 11902f4aeb0Sopenharmony_ci <p> 12002f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_SURFACE</code> is generated if 12102f4aeb0Sopenharmony_ci <em class="parameter"><code>surface</code></em> is not an EGL drawing surface. 12202f4aeb0Sopenharmony_ci </p> 12302f4aeb0Sopenharmony_ci <p> 12402f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_NATIVE_PIXMAP</code> is generated if 12502f4aeb0Sopenharmony_ci the implementation does not support native pixmaps. 12602f4aeb0Sopenharmony_ci </p> 12702f4aeb0Sopenharmony_ci <p> 12802f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_NATIVE_PIXMAP</code> may be generated if 12902f4aeb0Sopenharmony_ci <em class="parameter"><code>native_pixmap</code></em> is not a valid native pixmap. 13002f4aeb0Sopenharmony_ci </p> 13102f4aeb0Sopenharmony_ci <p> 13202f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_MATCH</code> is generated if 13302f4aeb0Sopenharmony_ci the format of <em class="parameter"><code>native_pixmap</code></em> is not compatible 13402f4aeb0Sopenharmony_ci with the color buffer of <em class="parameter"><code>surface</code></em>. 13502f4aeb0Sopenharmony_ci </p> 13602f4aeb0Sopenharmony_ci <p> 13702f4aeb0Sopenharmony_ci <code class="constant">EGL_CONTEXT_LOST</code> is generated if a power management 13802f4aeb0Sopenharmony_ci event has occurred. The application must destroy all contexts and 13902f4aeb0Sopenharmony_ci reinitialise OpenGL ES state and objects to continue rendering. 14002f4aeb0Sopenharmony_ci </p> 14102f4aeb0Sopenharmony_ci </div> 14202f4aeb0Sopenharmony_ci <div class="refsect1" id="seealso"> 14302f4aeb0Sopenharmony_ci <h2>See Also</h2> 14402f4aeb0Sopenharmony_ci <p> 14502f4aeb0Sopenharmony_ci <a class="citerefentry" href="glFlush.xhtml"><span class="citerefentry"><span class="refentrytitle">glFlush</span></span></a>, 14602f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglSwapBuffers.xhtml"><span class="citerefentry"><span class="refentrytitle">eglSwapBuffers</span></span></a> 14702f4aeb0Sopenharmony_ci </p> 14802f4aeb0Sopenharmony_ci </div> 14902f4aeb0Sopenharmony_ci <p> 15002f4aeb0Sopenharmony_ci </p> 15102f4aeb0Sopenharmony_ci <div class="refsect3" id="copyright"> 15202f4aeb0Sopenharmony_ci <img src="KhronosLogo.jpg"/> 15302f4aeb0Sopenharmony_ci <p> 15402f4aeb0Sopenharmony_ci Copyright © 2003-2014 The Khronos Group Inc. 15502f4aeb0Sopenharmony_ci Permission is hereby granted, free of charge, to any person obtaining a 15602f4aeb0Sopenharmony_ci copy of this software and/or associated documentation files (the 15702f4aeb0Sopenharmony_ci "Materials"), to deal in the Materials without restriction, including 15802f4aeb0Sopenharmony_ci without limitation the rights to use, copy, modify, merge, publish, 15902f4aeb0Sopenharmony_ci distribute, sublicense, and/or sell copies of the Materials, and to 16002f4aeb0Sopenharmony_ci permit persons to whom the Materials are furnished to do so, subject to 16102f4aeb0Sopenharmony_ci the condition that this copyright notice and permission notice shall be included 16202f4aeb0Sopenharmony_ci in all copies or substantial portions of the Materials. 16302f4aeb0Sopenharmony_ci </p> 16402f4aeb0Sopenharmony_ci </div> 16502f4aeb0Sopenharmony_ci <p> 16602f4aeb0Sopenharmony_ci</p> 16702f4aeb0Sopenharmony_ci </div> 16802f4aeb0Sopenharmony_ci <footer/> 16902f4aeb0Sopenharmony_ci </body> 17002f4aeb0Sopenharmony_ci</html> 171
