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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=
"glActiveShaderProgram"></a><div class=
"titlepage"></div><div class=
"refnamediv"><h2>Name
</h2><p>glActiveShaderProgram — set the active program object for a program pipeline 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">glActiveShaderProgram
</b>(
</code></td><td>GLuint
</td><td><var class=
"pdparam">pipeline
</var>,
</td></tr><tr><td> </td><td>GLuint
</td><td><var class=
"pdparam">program
</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>pipeline
</code></em></span></dt><dd><p>
5 Specifies the program pipeline object to set the active program object for.
6 </p></dd><dt><span class=
"term"><em class=
"parameter"><code>program
</code></em></span></dt><dd><p>
7 Specifies the program object to set as the active program pipeline object
<em class=
"parameter"><code>pipeline
</code></em>.
8 </p></dd></dl></div></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"description"></a><h2>Description
</h2><p>
9 <code class=
"function">glActiveShaderProgram
</code> sets the linked program named by
<em class=
"parameter"><code>program
</code></em>
10 to be the active program for the program pipeline object
<em class=
"parameter"><code>pipeline
</code></em>. The active
11 program in the active program pipeline object is the target of calls to
<a href=
"glUniform.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glUniform
</span></span></a>
12 when no program has been made current through a call to
<a href=
"glUseProgram.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glUseProgram
</span></span></a>.
13 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"errors"></a><h2>Errors
</h2><p>
14 <code class=
"constant">GL_INVALID_OPERATION
</code> is generated if
<em class=
"parameter"><code>pipeline
</code></em> is not
15 a name previously returned from a call to
<a href=
"glGenProgramPipelines.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGenProgramPipelines
</span></span></a>
16 or if such a name has been deleted by a call to
17 <a href=
"glDeleteProgramPipelines.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glDeleteProgramPipelines
</span></span></a>.
19 <code class=
"constant">GL_INVALID_OPERATION
</code> is generated if
<em class=
"parameter"><code>program
</code></em> refers
20 to a program object that has not been successfully linked.
21 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"seealso"></a><h2>See Also
</h2><p>
22 <a href=
"glGenProgramPipelines.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGenProgramPipelines
</span></span></a>,
23 <a href=
"glDeleteProgramPipelines.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glDeleteProgramPipelines
</span></span></a>,
24 <a href=
"glIsProgramPipeline.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glIsProgramPipeline
</span></span></a>,
25 <a href=
"glUseProgram.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glUseProgram
</span></span></a>,
26 <a href=
"glUniform.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glUniform
</span></span></a>
27 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"Copyright"></a><h2>Copyright
</h2><p>
28 Copyright
<span class=
"trademark"></span>©
2010 Khronos Group.
29 This material may be distributed subject to the terms and conditions set forth in
30 the Open Publication License, v
1.0,
8 June
1999.
31 <a href=
"http://opencontent.org/openpub/" target=
"_top">http://opencontent.org/openpub/
</a>.
32 </p></div></div></body></html>