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">eglWaitGL - 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="eglWaitGL"> 1102f4aeb0Sopenharmony_ci <div class="titlepage"/> 1202f4aeb0Sopenharmony_ci <div class="refnamediv"> 1302f4aeb0Sopenharmony_ci <h2>Name</h2> 1402f4aeb0Sopenharmony_ci <p>eglWaitGL — 1502f4aeb0Sopenharmony_ci Complete GL execution prior to subsequent native rendering 1602f4aeb0Sopenharmony_ci calls 1702f4aeb0Sopenharmony_ci </p> 1802f4aeb0Sopenharmony_ci </div> 1902f4aeb0Sopenharmony_ci <div class="refsynopsisdiv"> 2002f4aeb0Sopenharmony_ci <h2>C Specification</h2> 2102f4aeb0Sopenharmony_ci <div class="funcsynopsis"> 2202f4aeb0Sopenharmony_ci <table style="border: 0; cellspacing: 0; cellpadding: 0;" class="funcprototype-table"> 2302f4aeb0Sopenharmony_ci <tr> 2402f4aeb0Sopenharmony_ci <td> 2502f4aeb0Sopenharmony_ci <code class="funcdef">EGLBoolean <strong class="fsfunc">eglWaitGL</strong>(</code> 2602f4aeb0Sopenharmony_ci </td> 2702f4aeb0Sopenharmony_ci <td><code>void)</code>;</td> 2802f4aeb0Sopenharmony_ci <td> </td> 2902f4aeb0Sopenharmony_ci </tr> 3002f4aeb0Sopenharmony_ci </table> 3102f4aeb0Sopenharmony_ci <div class="funcprototype-spacer"> </div> 3202f4aeb0Sopenharmony_ci </div> 3302f4aeb0Sopenharmony_ci </div> 3402f4aeb0Sopenharmony_ci <div class="refsect1" id="description"> 3502f4aeb0Sopenharmony_ci <h2>Description</h2> 3602f4aeb0Sopenharmony_ci <p> 3702f4aeb0Sopenharmony_ci All OpenGL ES rendering calls for the currently bound OpenGL 3802f4aeb0Sopenharmony_ci ES context made prior to <code class="function">eglWaitGL</code> are 3902f4aeb0Sopenharmony_ci guaranteed to be executed before native rendering calls made 4002f4aeb0Sopenharmony_ci after <code class="function">eglWaitGL</code>. The same result can be 4102f4aeb0Sopenharmony_ci achieved using 4202f4aeb0Sopenharmony_ci <a class="citerefentry" href="glFinish.xhtml"><span class="citerefentry"><span class="refentrytitle">glFinish</span></span></a>. 4302f4aeb0Sopenharmony_ci </p> 4402f4aeb0Sopenharmony_ci <p> 4502f4aeb0Sopenharmony_ci <code class="function">eglWaitGL</code> is ignored if there is no 4602f4aeb0Sopenharmony_ci current EGL rendering context for OpenGL ES. 4702f4aeb0Sopenharmony_ci </p> 4802f4aeb0Sopenharmony_ci </div> 4902f4aeb0Sopenharmony_ci <div class="refsect1" id="notes"> 5002f4aeb0Sopenharmony_ci <h2>Notes</h2> 5102f4aeb0Sopenharmony_ci <p> 5202f4aeb0Sopenharmony_ci <code class="function">eglWaitClient</code> is supported only if the 5302f4aeb0Sopenharmony_ci EGL version is 1.2 or greater. 5402f4aeb0Sopenharmony_ci </p> 5502f4aeb0Sopenharmony_ci <p> 5602f4aeb0Sopenharmony_ci <code class="function">eglWaitClient</code> is a generalized version 5702f4aeb0Sopenharmony_ci of <code class="function">eglWaitGL</code>, supporting multiple 5802f4aeb0Sopenharmony_ci client APIs. For backwards compatibility, 5902f4aeb0Sopenharmony_ci <code class="function">eglWaitGL</code> continues to be supported and 6002f4aeb0Sopenharmony_ci is equivalent to the series of commands 6102f4aeb0Sopenharmony_ci </p> 6202f4aeb0Sopenharmony_ci <pre class="programlisting"> 6302f4aeb0Sopenharmony_ci EGLenum api = <code class="function">eglQueryAPI</code>(); 6402f4aeb0Sopenharmony_ci <code class="function">eglBindAPI</code>(<code class="constant">EGL_OPENGL_ES_API</code>); 6502f4aeb0Sopenharmony_ci <code class="function">eglWaitClient</code>(); 6602f4aeb0Sopenharmony_ci <code class="function">eglBindAPI</code>(api); 6702f4aeb0Sopenharmony_ci </pre> 6802f4aeb0Sopenharmony_ci </div> 6902f4aeb0Sopenharmony_ci <div class="refsect1" id="errors"> 7002f4aeb0Sopenharmony_ci <h2>Errors</h2> 7102f4aeb0Sopenharmony_ci <p> 7202f4aeb0Sopenharmony_ci <code class="constant">EGL_FALSE</code> is returned if 7302f4aeb0Sopenharmony_ci <code class="function">eglWaitGL</code> fails, 7402f4aeb0Sopenharmony_ci <code class="constant">EGL_TRUE</code> otherwise. 7502f4aeb0Sopenharmony_ci </p> 7602f4aeb0Sopenharmony_ci <p> 7702f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_CURRENT_SURFACE</code> is generated if 7802f4aeb0Sopenharmony_ci the surface associated with the current context has a native 7902f4aeb0Sopenharmony_ci window or pixmap, and that window or pixmap is no longer 8002f4aeb0Sopenharmony_ci valid. 8102f4aeb0Sopenharmony_ci </p> 8202f4aeb0Sopenharmony_ci </div> 8302f4aeb0Sopenharmony_ci <div class="refsect1" id="seealso"> 8402f4aeb0Sopenharmony_ci <h2>See Also</h2> 8502f4aeb0Sopenharmony_ci <p> 8602f4aeb0Sopenharmony_ci <a class="citerefentry" href="glFinish.xhtml"><span class="citerefentry"><span class="refentrytitle">glFinish</span></span></a>, 8702f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglWaitClient.xhtml"><span class="citerefentry"><span class="refentrytitle">eglWaitClient</span></span></a> 8802f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglWaitNative.xhtml"><span class="citerefentry"><span class="refentrytitle">eglWaitNative</span></span></a> 8902f4aeb0Sopenharmony_ci </p> 9002f4aeb0Sopenharmony_ci </div> 9102f4aeb0Sopenharmony_ci <p> 9202f4aeb0Sopenharmony_ci </p> 9302f4aeb0Sopenharmony_ci <div class="refsect3" id="copyright"> 9402f4aeb0Sopenharmony_ci <img src="KhronosLogo.jpg"/> 9502f4aeb0Sopenharmony_ci <p> 9602f4aeb0Sopenharmony_ci Copyright © 2003-2014 The Khronos Group Inc. 9702f4aeb0Sopenharmony_ci Permission is hereby granted, free of charge, to any person obtaining a 9802f4aeb0Sopenharmony_ci copy of this software and/or associated documentation files (the 9902f4aeb0Sopenharmony_ci "Materials"), to deal in the Materials without restriction, including 10002f4aeb0Sopenharmony_ci without limitation the rights to use, copy, modify, merge, publish, 10102f4aeb0Sopenharmony_ci distribute, sublicense, and/or sell copies of the Materials, and to 10202f4aeb0Sopenharmony_ci permit persons to whom the Materials are furnished to do so, subject to 10302f4aeb0Sopenharmony_ci the condition that this copyright notice and permission notice shall be included 10402f4aeb0Sopenharmony_ci in all copies or substantial portions of the Materials. 10502f4aeb0Sopenharmony_ci </p> 10602f4aeb0Sopenharmony_ci </div> 10702f4aeb0Sopenharmony_ci <p> 10802f4aeb0Sopenharmony_ci</p> 10902f4aeb0Sopenharmony_ci </div> 11002f4aeb0Sopenharmony_ci <footer/> 11102f4aeb0Sopenharmony_ci </body> 11202f4aeb0Sopenharmony_ci</html> 113
