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| <title>eglWaitGL</title> |
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| </head> |
| <body> |
| <div class="refentry"> |
| <a id="eglWaitGL"></a> |
| <div class="titlepage"></div> |
| <div xmlns="" class="refnamediv"> |
| <h1>eglWaitGL</h1> |
| <p> |
| Complete GL execution prior to subsequent native rendering |
| calls |
| </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">eglWaitGL</strong>(</code> |
| <td xmlns="http://www.w3.org/1999/xhtml"><code>void)</code>;</td> |
| <td xmlns="http://www.w3.org/1999/xhtml"> </td> |
| </td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a id="description"></a> |
| <h2>Description</h2> |
| <p> |
| All OpenGL ES rendering calls for the currently bound OpenGL |
| ES context made prior to <code class="function">eglWaitGL</code> are |
| guaranteed to be executed before native rendering calls made |
| after <code class="function">eglWaitGL</code>. The same result can be |
| achieved using |
| <a class="citerefentry" href="glFinish.html"><span class="citerefentry"><span class="refentrytitle">glFinish</span></span></a>. |
| </p> |
| <p> |
| <code class="function">eglWaitGL</code> is ignored if there is no |
| current EGL rendering context for OpenGL ES. |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="notes"></a> |
| <h2>Notes</h2> |
| <p> |
| <code class="function">eglWaitClient</code> is supported only if the |
| EGL version is 1.2 or greater. |
| </p> |
| <p> |
| <code class="function">eglWaitClient</code> is a generalized version |
| of <code class="function">eglWaitGL</code>, supporting multiple |
| client APIs. For backwards compatibility, |
| <code class="function">eglWaitGL</code> continues to be supported and |
| is equivalent to the series of commands |
| </p> |
| <pre class="programlisting"> |
| EGLenum api = <code class="function">eglQueryAPI</code>(); |
| <code class="function">eglBindAPI</code>(<code class="constant">EGL_OPENGL_ES_API</code>); |
| <code class="function">eglWaitClient</code>(); |
| <code class="function">eglBindAPI</code>(api); |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a id="errors"></a> |
| <h2>Errors</h2> |
| <p> |
| <code class="constant">EGL_FALSE</code> is returned if |
| <code class="function">eglWaitGL</code> fails, |
| <code class="constant">EGL_TRUE</code> otherwise. |
| </p> |
| <p> |
| <code class="constant">EGL_BAD_CURRENT_SURFACE</code> is generated if |
| the surface associated with the current context has a native |
| window or pixmap, and that window or pixmap is no longer |
| valid. |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a id="seealso"></a> |
| <h2>See Also</h2> |
| <p> |
| <a class="citerefentry" href="glFinish.html"><span class="citerefentry"><span class="refentrytitle">glFinish</span></span></a>, |
| <a class="citerefentry" href="eglWaitClient.html"><span class="citerefentry"><span class="refentrytitle">eglWaitClient</span></span></a> |
| <a class="citerefentry" href="eglWaitNative.html"><span class="citerefentry"><span class="refentrytitle">eglWaitNative</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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