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authorsotech117 <michael_foiani@brown.edu>2024-04-09 03:14:17 -0400
committersotech117 <michael_foiani@brown.edu>2024-04-09 03:14:17 -0400
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treededb9a65c1698202ad485378b4186b667008abe5 /glew/auto/EGL-Registry/sdk/docs/man/docbook4/eglGetConfigs.xml
parent818324678bd5dca790c57048e5012d2937a4b5e5 (diff)
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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
+ "http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
+<refentry xml:base="" id="eglGetConfigs">
+ <refentryinfo>
+ <copyright>
+ <year>2003-2014</year>
+ <holder>The Khronos Group Inc.</holder>
+ </copyright>
+ </refentryinfo>
+ <refmeta>
+ <refentrytitle>eglGetConfigs</refentrytitle>
+ <manvolnum>3G</manvolnum>
+ </refmeta>
+ <refnamediv>
+ <refname>eglGetConfigs</refname>
+ <refpurpose>
+ return a list of all <acronym>EGL</acronym> frame buffer configurations
+ for a display
+ </refpurpose>
+ </refnamediv>
+ <refsynopsisdiv>
+ <title>C Specification</title>
+ <funcsynopsis>
+ <funcprototype>
+ <funcdef>EGLBoolean <function>eglGetConfigs</function></funcdef>
+ <paramdef>EGLDisplay <parameter>display</parameter></paramdef>
+ <paramdef>EGLConfig * <parameter>configs</parameter></paramdef>
+ <paramdef>EGLint <parameter>config_size</parameter></paramdef>
+ <paramdef>EGLint * <parameter>num_config</parameter></paramdef>
+ </funcprototype>
+ </funcsynopsis>
+ </refsynopsisdiv>
+ <refsect1 id="parameters"><title>Parameters</title>
+ <variablelist>
+ <varlistentry>
+ <term><parameter>display</parameter></term>
+ <listitem><para>Specifies the EGL display connection.</para></listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><parameter>configs</parameter></term>
+ <listitem><para>Returns a list of configs.</para></listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><parameter>config_size</parameter></term>
+ <listitem><para>Specifies the size of the list of configs.
+ </para></listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><parameter>num_config</parameter></term>
+ <listitem><para>Returns the number of configs returned.
+ </para></listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+ <refsect1 id="description"><title>Description</title>
+ <para>
+ <function>eglGetConfigs</function> returns a list of all
+ EGL frame buffer configurations that are available for the specified
+ display.
+ The items in the list can be used in any EGL function that requires
+ an EGL frame buffer configuration.
+ </para>
+ <para>
+ <parameter>configs</parameter> does not return values, if it is specified
+ as
+ <constant>NULL</constant>. This is useful for querying just the
+ number of all frame buffer configurations.
+ </para>
+ <para>
+ Use
+ <citerefentry><refentrytitle>eglGetConfigAttrib</refentrytitle></citerefentry>
+ to retrieve individual attribute values of a frame buffer configuration.
+ </para>
+ </refsect1>
+ <refsect1 id="errors"><title>Errors</title>
+ <para>
+ <constant>EGL_FALSE</constant> is returned on failure,
+ <constant>EGL_TRUE</constant> otherwise.
+ <parameter>configs</parameter> and <parameter>num_config</parameter>
+ are not modified when
+ <constant>EGL_FALSE</constant> is returned.
+ </para>
+ <para>
+ <constant>EGL_BAD_DISPLAY</constant> is generated if
+ <parameter>display</parameter> is not an EGL display connection.
+ </para>
+ <para>
+ <constant>EGL_NOT_INITIALIZED</constant> is generated if
+ <parameter>display</parameter> has not been initialized.
+ </para>
+ <para>
+ <constant>EGL_BAD_PARAMETER</constant> is generated if
+ <parameter>num_config</parameter> is <constant>NULL</constant>.
+ </para>
+ </refsect1>
+ <refsect1 id="seealso"><title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>eglCreateContext</refentrytitle></citerefentry>,
+ <citerefentry><refentrytitle>eglCreatePbufferSurface</refentrytitle></citerefentry>,
+ <citerefentry><refentrytitle>eglCreatePixmapSurface</refentrytitle></citerefentry>,
+ <citerefentry><refentrytitle>eglCreateWindowSurface</refentrytitle></citerefentry>,
+ <citerefentry><refentrytitle>eglChooseConfig</refentrytitle></citerefentry>,
+ <citerefentry><refentrytitle>eglGetConfigAttrib</refentrytitle></citerefentry>
+ </para>
+ </refsect1>
+ <refsect3 id="Copyright"><title></title>
+ <!-- Content included from copyright.inc.xsl -->
+ <imageobject>
+ <imagedata fileref="KhronosLogo.jpg" format="jpg" />
+ </imageobject>
+ <para />
+ </refsect3>
+</refentry>