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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>eglGetConfigs</title> 217 <meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /> 218 </head> 219 <body> 220 <div class="refentry"> 221 <a id="eglGetConfigs"></a> 222 <div class="titlepage"></div> 223 <div xmlns="" class="refnamediv"> 224 <h1>eglGetConfigs</h1> 225 <p> 226 return a list of all <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">EGL</acronym> frame buffer configurations 227 for a display 228 </p> 229 </div> 230 <div class="refsynopsisdiv"> 231 <h2>C Specification</h2> 232 <div class="funcsynopsis"> 233 <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"> 234 <tr valign="bottom"> 235 <td> 236 <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">EGLBoolean <strong class="fsfunc">eglGetConfigs</strong>(</code> 237 <td>EGLDisplay <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">display</var>, </td> 238 </td> 239 </tr> 240 <tr valign="top"> 241 <td> </td> 242 <td>EGLConfig * <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">configs</var>, </td> 243 </tr> 244 <tr valign="top"> 245 <td> </td> 246 <td>EGLint <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">config_size</var>, </td> 247 </tr> 248 <tr valign="top"> 249 <td> </td> 250 <td>EGLint * <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">num_config</var><code>)</code></td> 251 </tr> 252 </table> 253 </div> 254 </div> 255 <div class="refsect1"> 256 <a id="parameters"></a> 257 <h2>Parameters</h2> 258 <div class="variablelist"> 259 <dl class="variablelist"> 260 <dt> 261 <span class="term"> 262 <em class="parameter"> 263 <code>display</code> 264 </em> 265 </span> 266 </dt> 267 <dd> 268 <p>Specifies the EGL display connection.</p> 269 </dd> 270 <dt> 271 <span class="term"> 272 <em class="parameter"> 273 <code>configs</code> 274 </em> 275 </span> 276 </dt> 277 <dd> 278 <p>Returns a list of configs.</p> 279 </dd> 280 <dt> 281 <span class="term"> 282 <em class="parameter"> 283 <code>config_size</code> 284 </em> 285 </span> 286 </dt> 287 <dd> 288 <p>Specifies the size of the list of configs. 289 </p> 290 </dd> 291 <dt> 292 <span class="term"> 293 <em class="parameter"> 294 <code>num_config</code> 295 </em> 296 </span> 297 </dt> 298 <dd> 299 <p>Returns the number of configs returned. 300 </p> 301 </dd> 302 </dl> 303 </div> 304 </div> 305 <div class="refsect1"> 306 <a id="description"></a> 307 <h2>Description</h2> 308 <p> 309 <code class="function">eglGetConfigs</code> returns a list of all 310 EGL frame buffer configurations that are available for the specified 311 display. 312 The items in the list can be used in any EGL function that requires 313 an EGL frame buffer configuration. 314 </p> 315 <p> 316 <em class="parameter"><code>configs</code></em> does not return values, if it is specified 317 as 318 <code class="constant">NULL</code>. This is useful for querying just the 319 number of all frame buffer configurations. 320 </p> 321 <p> 322 Use 323 <a class="citerefentry" href="eglGetConfigAttrib.html"><span class="citerefentry"><span class="refentrytitle">eglGetConfigAttrib</span></span></a> 324 to retrieve individual attribute values of a frame buffer configuration. 325 </p> 326 </div> 327 <div class="refsect1"> 328 <a id="errors"></a> 329 <h2>Errors</h2> 330 <p> 331 <code class="constant">EGL_FALSE</code> is returned on failure, 332 <code class="constant">EGL_TRUE</code> otherwise. 333 <em class="parameter"><code>configs</code></em> and <em class="parameter"><code>num_config</code></em> 334 are not modified when 335 <code class="constant">EGL_FALSE</code> is returned. 336 </p> 337 <p> 338 <code class="constant">EGL_BAD_DISPLAY</code> is generated if 339 <em class="parameter"><code>display</code></em> is not an EGL display connection. 340 </p> 341 <p> 342 <code class="constant">EGL_NOT_INITIALIZED</code> is generated if 343 <em class="parameter"><code>display</code></em> has not been initialized. 344 </p> 345 <p> 346 <code class="constant">EGL_BAD_PARAMETER</code> is generated if 347 <em class="parameter"><code>num_config</code></em> is <code class="constant">NULL</code>. 348 </p> 349 </div> 350 <div class="refsect1"> 351 <a id="seealso"></a> 352 <h2>See Also</h2> 353 <p> 354 <a class="citerefentry" href="eglCreateContext.html"><span class="citerefentry"><span class="refentrytitle">eglCreateContext</span></span></a>, 355 <a class="citerefentry" href="eglCreatePbufferSurface.html"><span class="citerefentry"><span class="refentrytitle">eglCreatePbufferSurface</span></span></a>, 356 <a class="citerefentry" href="eglCreatePixmapSurface.html"><span class="citerefentry"><span class="refentrytitle">eglCreatePixmapSurface</span></span></a>, 357 <a class="citerefentry" href="eglCreateWindowSurface.html"><span class="citerefentry"><span class="refentrytitle">eglCreateWindowSurface</span></span></a>, 358 <a class="citerefentry" href="eglChooseConfig.html"><span class="citerefentry"><span class="refentrytitle">eglChooseConfig</span></span></a>, 359 <a class="citerefentry" href="eglGetConfigAttrib.html"><span class="citerefentry"><span class="refentrytitle">eglGetConfigAttrib</span></span></a> 360 </p> 361 </div> 362 <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> 363Copyright © 2003-2014 The Khronos Group Inc. 364Permission is hereby granted, free of charge, to any person obtaining a 365copy of this software and/or associated documentation files (the 366"Materials"), to deal in the Materials without restriction, including 367without limitation the rights to use, copy, modify, merge, publish, 368distribute, sublicense, and/or sell copies of the Materials, and to 369permit persons to whom the Materials are furnished to do so, subject to 370the condition that this copyright notice and permission notice shall be included 371in all copies or substantial portions of the Materials. 372</div> 373 </div> 374 </body> 375</html> 376
