1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>glIsProgram - OpenGL 4 Reference Pages</title>
<link rel="stylesheet" type="text/css" href="opengl-man.css"/>
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1"/>
<script type="text/x-mathjax-config">
MathJax.Hub.Config({
MathML: {
extensions: ["content-mathml.js"]
},
tex2jax: {
inlineMath: [['$','$'], ['\\(','\\)']]
}
});
</script>
<script type="text/javascript" src="https://c328740.ssl.cf1.rackcdn.com/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"/>
</head>
<body>
<header/>
<div class="refentry" id="glIsProgram">
<div class="titlepage"/>
<div class="refnamediv">
<h2>Name</h2>
<p>glIsProgram — Determines if a name corresponds to a program object</p>
</div>
<div class="refsynopsisdiv">
<h2>C Specification</h2>
<div class="funcsynopsis">
<table style="border: 0; cellspacing: 0; cellpadding: 0;" class="funcprototype-table">
<tr>
<td>
<code class="funcdef">GLboolean <strong class="fsfunc">glIsProgram</strong>(</code>
</td>
<td>GLuint <var class="pdparam">program</var><code>)</code>;</td>
</tr>
</table>
<div class="funcprototype-spacer"> </div>
</div>
</div>
<div class="refsect1" id="parameters">
<h2>Parameters</h2>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
<em class="parameter">
<code>program</code>
</em>
</span>
</dt>
<dd>
<p>Specifies a potential program object.</p>
</dd>
</dl>
</div>
</div>
<div class="refsect1" id="description">
<h2>Description</h2>
<p><code class="function">glIsProgram</code> returns
<code class="constant">GL_TRUE</code> if <em class="parameter"><code>program</code></em>
is the name of a program object previously created with
<a class="citerefentry" href="glCreateProgram.xhtml"><span class="citerefentry"><span class="refentrytitle">glCreateProgram</span></span></a>
and not yet deleted with <a class="citerefentry" href="glDeleteProgram.xhtml"><span class="citerefentry"><span class="refentrytitle">glDeleteProgram</span></span></a>.
If <em class="parameter"><code>program</code></em> is zero or a non-zero value that
is not the name of a program object, or if an error occurs,
<code class="function">glIsProgram</code> returns <code class="constant">GL_FALSE</code>.</p>
</div>
<div class="refsect1" id="notes">
<h2>Notes</h2>
<p>No error is generated if <em class="parameter"><code>program</code></em> is
not a valid program object name.</p>
<p>A program object marked for deletion with <a class="citerefentry" href="glDeleteProgram.xhtml"><span class="citerefentry"><span class="refentrytitle">glDeleteProgram</span></span></a>
but still in use as part of current rendering state is still considered
a program object and <code class="function">glIsProgram</code> will return <code class="constant">GL_TRUE</code>.</p>
</div>
<div class="refsect1" id="associatedgets">
<h2>Associated Gets</h2>
<p><a class="citerefentry" href="glGet.xhtml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a>
with the argument <code class="constant">GL_CURRENT_PROGRAM</code></p>
<p><a class="citerefentry" href="glGetActiveAttrib.xhtml"><span class="citerefentry"><span class="refentrytitle">glGetActiveAttrib</span></span></a>
with arguments <em class="parameter"><code>program</code></em> and the index of
an active attribute variable</p>
<p><a class="citerefentry" href="glGetActiveUniform.xhtml"><span class="citerefentry"><span class="refentrytitle">glGetActiveUniform</span></span></a>
with arguments <em class="parameter"><code>program</code></em> and the index of
an active uniform variable</p>
<p><a class="citerefentry" href="glGetAttachedShaders.xhtml"><span class="citerefentry"><span class="refentrytitle">glGetAttachedShaders</span></span></a>
with argument <em class="parameter"><code>program</code></em></p>
<p><a class="citerefentry" href="glGetAttribLocation.xhtml"><span class="citerefentry"><span class="refentrytitle">glGetAttribLocation</span></span></a>
with arguments <em class="parameter"><code>program</code></em> and the name of an
attribute variable</p>
<p><a class="citerefentry" href="glGetProgram.xhtml"><span class="citerefentry"><span class="refentrytitle">glGetProgram</span></span></a>
with arguments <em class="parameter"><code>program</code></em> and the parameter
to be queried</p>
<p><a class="citerefentry" href="glGetProgramInfoLog.xhtml"><span class="citerefentry"><span class="refentrytitle">glGetProgramInfoLog</span></span></a>
with argument <em class="parameter"><code>program</code></em></p>
<p><a class="citerefentry" href="glGetUniform.xhtml"><span class="citerefentry"><span class="refentrytitle">glGetUniform</span></span></a>
with arguments <em class="parameter"><code>program</code></em> and the location
of a uniform variable</p>
<p><a class="citerefentry" href="glGetUniformLocation.xhtml"><span class="citerefentry"><span class="refentrytitle">glGetUniformLocation</span></span></a>
with arguments <em class="parameter"><code>program</code></em> and the name of a
uniform variable</p>
</div>
<div class="refsect1" id="versions">
<h2>Version Support</h2>
<div class="informaltable">
<table style="border-collapse: collapse; border-top: 2px solid ; border-bottom: 2px solid ; border-left: 2px solid ; border-right: 2px solid ; ">
<colgroup>
<col style="text-align: left; "/>
<col style="text-align: center; " class="firstvers"/>
<col style="text-align: center; "/>
<col style="text-align: center; "/>
<col style="text-align: center; "/>
<col style="text-align: center; "/>
<col style="text-align: center; "/>
<col style="text-align: center; "/>
<col style="text-align: center; "/>
<col style="text-align: center; "/>
<col style="text-align: center; "/>
<col style="text-align: center; "/>
<col style="text-align: center; " class="lastvers"/>
</colgroup>
<thead>
<tr>
<th style="text-align: left; border-right: 2px solid ; ">
</th>
<th style="text-align: center; border-bottom: 2px solid ; " colspan="12">
<span class="bold"><strong>OpenGL Version</strong></span>
</th>
</tr>
<tr>
<th style="text-align: left; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>Function / Feature Name</strong></span>
</th>
<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>2.0</strong></span>
</th>
<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>2.1</strong></span>
</th>
<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>3.0</strong></span>
</th>
<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>3.1</strong></span>
</th>
<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>3.2</strong></span>
</th>
<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>3.3</strong></span>
</th>
<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>4.0</strong></span>
</th>
<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>4.1</strong></span>
</th>
<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>4.2</strong></span>
</th>
<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>4.3</strong></span>
</th>
<th style="text-align: center; border-right: 2px solid ; border-bottom: 2px solid ; ">
<span class="bold"><strong>4.4</strong></span>
</th>
<th style="text-align: center; border-bottom: 2px solid ; ">
<span class="bold"><strong>4.5</strong></span>
</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: left; border-right: 2px solid ; ">
<code class="function">glIsProgram</code>
</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; border-right: 2px solid ; ">✔</td>
<td style="text-align: center; ">✔</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="refsect1" id="seealso">
<h2>See Also</h2>
<p><a class="citerefentry" href="glAttachShader.xhtml"><span class="citerefentry"><span class="refentrytitle">glAttachShader</span></span></a>,
<a class="citerefentry" href="glBindAttribLocation.xhtml"><span class="citerefentry"><span class="refentrytitle">glBindAttribLocation</span></span></a>,
<a class="citerefentry" href="glCreateProgram.xhtml"><span class="citerefentry"><span class="refentrytitle">glCreateProgram</span></span></a>,
<a class="citerefentry" href="glDeleteProgram.xhtml"><span class="citerefentry"><span class="refentrytitle">glDeleteProgram</span></span></a>,
<a class="citerefentry" href="glDetachShader.xhtml"><span class="citerefentry"><span class="refentrytitle">glDetachShader</span></span></a>,
<a class="citerefentry" href="glLinkProgram.xhtml"><span class="citerefentry"><span class="refentrytitle">glLinkProgram</span></span></a>,
<a class="citerefentry" href="glUniform.xhtml"><span class="citerefentry"><span class="refentrytitle">glUniform</span></span></a>,
<a class="citerefentry" href="glUseProgram.xhtml"><span class="citerefentry"><span class="refentrytitle">glUseProgram</span></span></a>,
<a class="citerefentry" href="glValidateProgram.xhtml"><span class="citerefentry"><span class="refentrytitle">glValidateProgram</span></span></a></p>
</div>
<div class="refsect1" id="Copyright">
<h2>Copyright</h2>
<p>
Copyright <span class="trademark"/>© 2003-2005 3Dlabs Inc. Ltd.
Copyright <span class="trademark"/>© 2010-2014 Khronos Group.
This material may be distributed subject to the terms and conditions set forth in
the Open Publication License, v 1.0, 8 June 1999.
<a class="link" href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>.
</p>
</div>
</div>
<footer/>
</body>
</html>
|
