1 <?xml version=
"1.0" encoding=
"UTF-8"?>
2 <!DOCTYPE book PUBLIC
"-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
3 "http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
4 <refentry id=
"gl_NumSamples">
9 <holder>Khronos Group
</holder>
12 <refentrytitle>gl_NumSamples
</refentrytitle>
13 <manvolnum>3G
</manvolnum>
16 <refname>gl_NumSamples
</refname>
17 <refpurpose>contains the total number of samples in the framebuffer
</refpurpose>
19 <refsynopsisdiv><title>Declaration
</title>
21 <function>in int gl_NumSamples;
</function>
24 <refsect1 id=
"description"><title>Description
</title>
26 <function>gl_NumSamples
</function> is a fragment language input variable that contains
27 the number of samples in the framebuffer, or
1 if rendering to a non-multisample framebuffer.
28 <function>gl_NumSamples
</function> is the sample count of the framebuffer regardless
29 of whether multisample rasterization is enabled or not.
32 <refsect1 id=
"versions"><title>Version Support
</title>
33 <informaltable frame=
"topbot">
34 <tgroup cols=
"3" align=
"left">
35 <colspec colwidth=
"1.1*" />
36 <colspec colwidth=
"1*" align=
"center" />
37 <colspec colwidth=
"1*" align=
"center" />
38 <colspec colwidth=
"1*" align=
"center" />
39 <colspec colwidth=
"1*" align=
"center" />
40 <colspec colwidth=
"1*" align=
"center" />
41 <colspec colwidth=
"1*" align=
"center" />
42 <colspec colwidth=
"1*" align=
"center" />
43 <colspec colwidth=
"1*" align=
"center" />
46 <entry rowsep=
"1" align=
"left"><emphasis role=
"bold">
49 <entry rowsep=
"1" align=
"left"><emphasis role=
"bold">
52 <entry rowsep=
"1" align=
"left"><emphasis role=
"bold">
55 <entry rowsep=
"1" align=
"left"><emphasis role=
"bold">
58 <entry rowsep=
"1" align=
"left"><emphasis role=
"bold">
61 <entry rowsep=
"1" align=
"left"><emphasis role=
"bold">
64 <entry rowsep=
"1" align=
"left"><emphasis role=
"bold">
67 <entry rowsep=
"1" align=
"left"><emphasis role=
"bold">
70 <entry rowsep=
"1" align=
"left"><emphasis role=
"bold">
79 <emphasis>-
</emphasis> <!-- 1.10, OpenGL 2.0 -->
82 <emphasis>-
</emphasis> <!-- 1.20, OpenGL 2.1 -->
85 <emphasis>-
</emphasis> <!-- 1.30, OpenGL 3.0 -->
88 <emphasis>-
</emphasis> <!-- 1.40, OpenGL 3.1 -->
91 <emphasis>-
</emphasis> <!-- 1.50, OpenGL 3.2 -->
94 <emphasis>-
</emphasis> <!-- 3.30, OpenGL 3.3 -->
97 <emphasis>Y
</emphasis> <!-- 4.00, OpenGL 4.0 -->
100 <emphasis>Y
</emphasis> <!-- 4.10, OpenGL 4.1 -->
107 <refsect1 id=
"seealso"><title>See Also
</title>
109 <citerefentry><refentrytitle>gl_SamplePosition
</refentrytitle></citerefentry>,
110 <citerefentry><refentrytitle>gl_SampleID
</refentrytitle></citerefentry>
113 <refsect1 id=
"Copyright"><title>Copyright
</title>
115 Copyright
<trademark class=
"copyright"></trademark> 2011 Khronos Group.
116 This material may be distributed subject to the terms and conditions set forth in
117 the Open Publication License, v
1.0,
8 June
1999.
118 <ulink url=
"http://opencontent.org/openpub/">http://opencontent.org/openpub/
</ulink>.