1<?xml version="1.0" encoding="UTF-8"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd"> 3<!-- saved from url=(0013)about:internet --> 4<?xml-stylesheet type="text/xsl" href="mathml.xsl"?><html xmlns="http://www.w3.org/1999/xhtml" xmlns:pref="http://www.w3.org/2002/Math/preference" xmlns:xlink="http://www.w3.org/1999/xlink" pref:renderer="mathplayer-dl"> 5 <head> 6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> 7 <style xmlns="" type="text/css"> 8 /* This style sets a margin around the entire page */ 9 html, body { 10 margin: 10px; 11 } 12 13 p { 14 font: normal 16px verdana, sans-serif; 15 margin: 0; 16 padding-bottom:12px; 17 } 18 19 h1 { 20 font: bold 25px verdana, sans-serif; 21 margin-top: 0; 22 margin-bottom: 3px; 23 padding-top: 0; 24 padding-bottom: 0; 25 } 26 27 h2 { 28 font: bold 19px verdana, sans-serif; 29 margin-top: 28px; 30 margin-bottom: 3px; 31 padding-top: 0; 32 padding-bottom: 0; 33 } 34 35 h3 { 36 font: bold 19px verdana, sans-serif !important; 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189 } 190 191 div.refsect2 table { 192 margin-top: 0; 193 background-color: #e6e6e6; 194 width: 100%; 195 border: 0 solid #000; 196 padding: 2px; 197 font: normal 16px courier new, monospace !important; 198 } 199 200 div.refsect2 td { 201 background-color: #e6e6e6; 202 font: normal 16px courier new, monospace !important; 203 white-space:pre; 204 } 205 206 /* COPYRIGHT: This style formats the text of the copyright statement at the bottom of the page */ 207 div.refsect3 { 208 font: normal 11px verdana, sans-serif; 209 margin-top: 50px; 210 margin-bottom: 20px; 211 padding-top: 0; 212 padding-bottom: 0; 213 } 214 215</style> 216 <title>eglQueryAPI</title> 217 <meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /> 218 </head> 219 <body> 220 <div class="refentry"> 221 <a id="eglQueryAPI"></a> 222 <div class="titlepage"></div> 223 <div xmlns="" class="refnamediv"> 224 <h1>eglQueryAPI</h1> 225 <p>Query the current rendering API</p> 226 </div> 227 <div class="refsynopsisdiv"> 228 <h2>C Specification</h2> 229 <div class="funcsynopsis"> 230 <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"> 231 <tr valign="bottom"> 232 <td> 233 <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">EGLenum <strong class="fsfunc">eglQueryAPI</strong>(</code> 234 <td xmlns="http://www.w3.org/1999/xhtml"><code>void)</code>;</td> 235 <td xmlns="http://www.w3.org/1999/xhtml"> </td> 236 </td> 237 </tr> 238 </table> 239 </div> 240 </div> 241 <div class="refsect1"> 242 <a id="description"></a> 243 <h2>Description</h2> 244 <p> 245 <code class="function">eglQueryAPI</code> returns the value of the 246 current rendering API for EGL in the thread it is called 247 from. The current rendering API is set by 248 <a class="citerefentry" href="eglBindAPI.html"><span class="citerefentry"><span class="refentrytitle">eglBindAPI</span></span></a>, 249 and affects the behavior of other EGL commands. 250 </p> 251 <p> 252 The value returned will be one of the valid 253 <em class="parameter"><code>api</code></em> parameters to 254 <a class="citerefentry" href="eglBindAPI.html"><span class="citerefentry"><span class="refentrytitle">eglBindAPI</span></span></a>, or 255 <code class="constant">EGL_NONE</code>. 256 </p> 257 </div> 258 <div class="refsect1"> 259 <a id="notes"></a> 260 <h2>Notes</h2> 261 <p> 262 <code class="function">eglQueryAPI</code> is supported only if the 263 EGL version is 1.2 or greater. 264 </p> 265 <p> 266 The initial value of the current rendering API is 267 <code class="constant">EGL_OPENGL_ES_API</code> unless OpenGL ES is 268 not supported by an implementation, in which case the 269 initial value is <code class="constant">EGL_NONE</code> (however, 270 <code class="constant">EGL_NONE</code> is not a valid 271 <em class="parameter"><code>api</code></em> parameter to 272 <code class="function">eglQueryAPI</code>). 273 </p> 274 <p> 275 The current rendering API can be changed by calling 276 <a class="citerefentry" href="eglBindAPI.html"><span class="citerefentry"><span class="refentrytitle">eglBindAPI</span></span></a>. 277 </p> 278 </div> 279 <div class="refsect1"> 280 <a id="errors"></a> 281 <h2>Errors</h2> 282 <p> 283 None. 284 </p> 285 </div> 286 <div class="refsect1"> 287 <a id="seealso"></a> 288 <h2>See Also</h2> 289 <p> 290 <a class="citerefentry" href="eglBindAPI.html"><span class="citerefentry"><span class="refentrytitle">eglBindAPI</span></span></a>, 291 <a class="citerefentry" href="eglCreateContext.html"><span class="citerefentry"><span class="refentrytitle">eglCreateContext</span></span></a>, 292 <a class="citerefentry" href="eglGetCurrentContext.html"><span class="citerefentry"><span class="refentrytitle">eglGetCurrentContext</span></span></a>, 293 <a class="citerefentry" href="eglGetCurrentDisplay.html"><span class="citerefentry"><span class="refentrytitle">eglGetCurrentDisplay</span></span></a>, 294 <a class="citerefentry" href="eglGetCurrentSurface.html"><span class="citerefentry"><span class="refentrytitle">eglGetCurrentSurface</span></span></a>, 295 <a class="citerefentry" href="eglMakeCurrent.html"><span class="citerefentry"><span class="refentrytitle">eglMakeCurrent</span></span></a>, 296 <a class="citerefentry" href="eglWaitClient.html"><span class="citerefentry"><span class="refentrytitle">eglWaitClient</span></span></a>, 297 <a class="citerefentry" href="eglWaitNative.html"><span class="citerefentry"><span class="refentrytitle">eglWaitNative</span></span></a> 298 </p> 299 </div> 300 <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> 301Copyright © 2003-2014 The Khronos Group Inc. 302Permission is hereby granted, free of charge, to any person obtaining a 303copy of this software and/or associated documentation files (the 304"Materials"), to deal in the Materials without restriction, including 305without limitation the rights to use, copy, modify, merge, publish, 306distribute, sublicense, and/or sell copies of the Materials, and to 307permit persons to whom the Materials are furnished to do so, subject to 308the condition that this copyright notice and permission notice shall be included 309in all copies or substantial portions of the Materials. 310</div> 311 </div> 312 </body> 313</html> 314
