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4 Reference Pages
</title><meta name=
"generator" content=
"DocBook XSL Stylesheets V1.69.1" /></head><body><div class=
"refentry" lang=
"en" xml:
lang=
"en"><a id=
"glGetAttachedShaders"></a><div class=
"titlepage"></div><div class=
"refnamediv"><h2>Name
</h2><p>glGetAttachedShaders — Returns the handles of the shader objects attached to a program object
</p></div><div class=
"refsynopsisdiv"><h2>C Specification
</h2><div class=
"funcsynopsis"><table border=
"0" summary=
"Function synopsis" cellspacing=
"0" cellpadding=
"0"><tr><td><code class=
"funcdef">void
<b class=
"fsfunc">glGetAttachedShaders
</b>(
</code></td><td>GLuint
</td><td><var class=
"pdparam">program
</var>,
</td></tr><tr><td> </td><td>GLsizei
</td><td><var class=
"pdparam">maxCount
</var>,
</td></tr><tr><td> </td><td>GLsizei *
</td><td><var class=
"pdparam">count
</var>,
</td></tr><tr><td> </td><td>GLuint *
</td><td><var class=
"pdparam">shaders
</var><code>)
</code>;
</td></tr></table></div></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><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>Specifies the program object to be
5 queried.
</p></dd><dt><span class=
"term"><em class=
"parameter"><code>maxCount
</code></em></span></dt><dd><p>Specifies the size of the array for storing
6 the returned object names.
</p></dd><dt><span class=
"term"><em class=
"parameter"><code>count
</code></em></span></dt><dd><p>Returns the number of names actually returned
7 in
<em class=
"parameter"><code>objects
</code></em>.
</p></dd><dt><span class=
"term"><em class=
"parameter"><code>shaders
</code></em></span></dt><dd><p>Specifies an array that is used to return the
8 names of attached shader objects.
</p></dd></dl></div></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"description"></a><h2>Description
</h2><p><code class=
"function">glGetAttachedShaders
</code> returns the
9 names of the shader objects attached to
10 <em class=
"parameter"><code>program
</code></em>. The names of shader objects that
11 are attached to
<em class=
"parameter"><code>program
</code></em> will be returned
12 in
<em class=
"parameter"><code>shaders.
</code></em> The actual number of shader
13 names written into
<em class=
"parameter"><code>shaders
</code></em> is returned in
14 <em class=
"parameter"><code>count.
</code></em> If no shader objects are attached
15 to
<em class=
"parameter"><code>program
</code></em>,
<em class=
"parameter"><code>count
</code></em>
16 is set to
0. The maximum number of shader names that may be
17 returned in
<em class=
"parameter"><code>shaders
</code></em> is specified by
18 <em class=
"parameter"><code>maxCount
</code></em>.
</p><p>If the number of names actually returned is not required
19 (for instance, if it has just been obtained by calling
20 <a href=
"glGetProgram.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGetProgram
</span></span></a>),
21 a value of
<code class=
"constant">NULL
</code> may be passed for count. If
22 no shader objects are attached to
23 <em class=
"parameter"><code>program
</code></em>, a value of
0 will be returned in
24 <em class=
"parameter"><code>count
</code></em>. The actual number of attached
25 shaders can be obtained by calling
26 <a href=
"glGetProgram.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGetProgram
</span></span></a>
27 with the value
<code class=
"constant">GL_ATTACHED_SHADERS
</code>.
</p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"errors"></a><h2>Errors
</h2><p><code class=
"constant">GL_INVALID_VALUE
</code> is generated if
28 <em class=
"parameter"><code>program
</code></em> is not a value generated by
29 OpenGL.
</p><p><code class=
"constant">GL_INVALID_OPERATION
</code> is generated if
30 <em class=
"parameter"><code>program
</code></em> is not a program object.
</p><p><code class=
"constant">GL_INVALID_VALUE
</code> is generated if
31 <em class=
"parameter"><code>maxCount
</code></em> is less than
0.
</p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"associatedgets"></a><h2>Associated Gets
</h2><p><a href=
"glGetProgram.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGetProgram
</span></span></a>
32 with argument
<code class=
"constant">GL_ATTACHED_SHADERS
</code></p><p><a href=
"glIsProgram.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glIsProgram
</span></span></a></p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"seealso"></a><h2>See Also
</h2><p><a href=
"glAttachShader.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glAttachShader
</span></span></a>,
33 <a href=
"glDetachShader.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glDetachShader
</span></span></a></p>.
34 </div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"Copyright"></a><h2>Copyright
</h2><p>
35 Copyright
<span class=
"trademark"></span>©
2003-
2005 3Dlabs Inc. Ltd.
36 This material may be distributed subject to the terms and conditions set forth in
37 the Open Publication License, v
1.0,
8 June
1999.
38 <a href=
"http://opencontent.org/openpub/" target=
"_top">http://opencontent.org/openpub/
</a>.
39 </p></div></div></body></html>
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