Commit | Line | Data |
---|---|---|
7faf1d71 AW |
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" pref:renderer="mathplayer-dl"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><link rel="stylesheet" type="text/css" href="opengl-man.css" /><title>glGetFragDataIndex</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /></head><body><div class="refentry" title="glGetFragDataIndex"><a id="glGetFragDataIndex"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glGetFragDataIndex — query the bindings of color indices to user-defined varying out variables</p></div><div class="refsynopsisdiv" title="C Specification"><h2>C Specification</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">GLint <b class="fsfunc">glGetFragDataIndex</b>(</code></td><td>GLuint <var class="pdparam">program</var>, </td></tr><tr><td> </td><td>const char * <var class="pdparam">name</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Parameters"><a id="parameters"></a><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>program</code></em></span></dt><dd><p> | |
5 | The name of the program containing varying out variable whose binding to query | |
6 | </p></dd><dt><span class="term"><em class="parameter"><code>name</code></em></span></dt><dd><p> | |
7 | The name of the user-defined varying out variable whose index to query | |
8 | </p></dd></dl></div></div><div class="refsect1" title="Description"><a id="description"></a><h2>Description</h2><p> | |
9 | <code class="function">glGetFragDataIndex</code> returns the index of the fragment color to which the variable <em class="parameter"><code>name</code></em> | |
10 | was bound when the program object <em class="parameter"><code>program</code></em> was last linked. If <em class="parameter"><code>name</code></em> is not a varying out | |
11 | variable of <em class="parameter"><code>program</code></em>, or if an error occurs, -1 will be returned. | |
12 | </p></div><div class="refsect1" title="Notes"><a id="notes"></a><h2>Notes</h2><p> | |
13 | <code class="function">glGetFragDataIndex</code> is available only if the GL version is 3.3 or greater. | |
14 | </p></div><div class="refsect1" title="Errors"><a id="errors"></a><h2>Errors</h2><p> | |
15 | <code class="constant">GL_INVALID_OPERATION</code> is generated if <em class="parameter"><code>program</code></em> is not the name of a program object. | |
16 | </p></div><div class="refsect1" title="See Also"><a id="seealso"></a><h2>See Also</h2><p> | |
17 | <a class="citerefentry" href="glCreateProgram.xml"><span class="citerefentry"><span class="refentrytitle">glCreateProgram</span></span></a>, | |
18 | <a class="citerefentry" href="glBindFragDataLocation.xml"><span class="citerefentry"><span class="refentrytitle">glBindFragDataLocation</span></span></a>, | |
19 | <a class="citerefentry" href="glBindFragDataLocationIndexed.xml"><span class="citerefentry"><span class="refentrytitle">glBindFragDataLocationIndexed</span></span></a>, | |
20 | <a class="citerefentry" href="glGetFragDataLocation.xml"><span class="citerefentry"><span class="refentrytitle">glGetFragDataLocation</span></span></a> | |
21 | </p></div><div class="refsect1" title="Copyright"><a id="Copyright"></a><h2>Copyright</h2><p> | |
22 | Copyright <span class="trademark"></span>© 2010 Khronos Group. | |
23 | This material may be distributed subject to the terms and conditions set forth in | |
24 | the Open Publication License, v 1.0, 8 June 1999. | |
25 | <a class="ulink" href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>. | |
26 | </p></div></div></body></html> |