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| 1452 | chris | 1 | <?xml version="1.0" encoding="UTF-8"?> |
| 2 | <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN" |
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| 3 | "http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd"> |
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| 4 | <refentry id="glVertex"> |
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| 5 | <refmeta> |
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| 6 | <refmetainfo> |
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| 7 | <copyright> |
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| 8 | <year>1991-2006</year> |
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| 9 | <holder>Silicon Graphics, Inc.</holder> |
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| 10 | </copyright> |
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| 11 | </refmetainfo> |
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| 12 | <refentrytitle>glVertex</refentrytitle> |
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| 13 | <manvolnum>3G</manvolnum> |
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| 14 | </refmeta> |
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| 15 | <refnamediv> |
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| 16 | <refname>glVertex</refname> |
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| 17 | <refpurpose>specify a vertex</refpurpose> |
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| 18 | </refnamediv> |
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| 19 | <refsynopsisdiv><title>C Specification</title> |
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| 20 | <funcsynopsis> |
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| 21 | <funcprototype> |
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| 22 | <funcdef>void <function>glVertex2s</function></funcdef> |
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| 23 | <paramdef>GLshort <parameter>x</parameter></paramdef> |
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| 24 | <paramdef>GLshort <parameter>y</parameter></paramdef> |
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| 25 | </funcprototype> |
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| 26 | </funcsynopsis> |
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| 27 | <funcsynopsis> |
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| 28 | <funcprototype> |
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| 29 | <funcdef>void <function>glVertex2i</function></funcdef> |
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| 30 | <paramdef>GLint <parameter>x</parameter></paramdef> |
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| 31 | <paramdef>GLint <parameter>y</parameter></paramdef> |
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| 32 | </funcprototype> |
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| 33 | </funcsynopsis> |
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| 34 | <funcsynopsis> |
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| 35 | <funcprototype> |
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| 36 | <funcdef>void <function>glVertex2f</function></funcdef> |
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| 37 | <paramdef>GLfloat <parameter>x</parameter></paramdef> |
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| 38 | <paramdef>GLfloat <parameter>y</parameter></paramdef> |
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| 39 | </funcprototype> |
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| 40 | </funcsynopsis> |
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| 41 | <funcsynopsis> |
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| 42 | <funcprototype> |
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| 43 | <funcdef>void <function>glVertex2d</function></funcdef> |
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| 44 | <paramdef>GLdouble <parameter>x</parameter></paramdef> |
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| 45 | <paramdef>GLdouble <parameter>y</parameter></paramdef> |
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| 46 | </funcprototype> |
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| 47 | </funcsynopsis> |
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| 48 | <funcsynopsis> |
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| 49 | <funcprototype> |
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| 50 | <funcdef>void <function>glVertex3s</function></funcdef> |
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| 51 | <paramdef>GLshort <parameter>x</parameter></paramdef> |
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| 52 | <paramdef>GLshort <parameter>y</parameter></paramdef> |
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| 53 | <paramdef>GLshort <parameter>z</parameter></paramdef> |
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| 54 | </funcprototype> |
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| 55 | </funcsynopsis> |
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| 56 | <funcsynopsis> |
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| 57 | <funcprototype> |
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| 58 | <funcdef>void <function>glVertex3i</function></funcdef> |
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| 59 | <paramdef>GLint <parameter>x</parameter></paramdef> |
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| 60 | <paramdef>GLint <parameter>y</parameter></paramdef> |
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| 61 | <paramdef>GLint <parameter>z</parameter></paramdef> |
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| 62 | </funcprototype> |
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| 63 | </funcsynopsis> |
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| 64 | <funcsynopsis> |
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| 65 | <funcprototype> |
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| 66 | <funcdef>void <function>glVertex3f</function></funcdef> |
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| 67 | <paramdef>GLfloat <parameter>x</parameter></paramdef> |
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| 68 | <paramdef>GLfloat <parameter>y</parameter></paramdef> |
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| 69 | <paramdef>GLfloat <parameter>z</parameter></paramdef> |
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| 70 | </funcprototype> |
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| 71 | </funcsynopsis> |
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| 72 | <funcsynopsis> |
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| 73 | <funcprototype> |
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| 74 | <funcdef>void <function>glVertex3d</function></funcdef> |
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| 75 | <paramdef>GLdouble <parameter>x</parameter></paramdef> |
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| 76 | <paramdef>GLdouble <parameter>y</parameter></paramdef> |
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| 77 | <paramdef>GLdouble <parameter>z</parameter></paramdef> |
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| 78 | </funcprototype> |
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| 79 | </funcsynopsis> |
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| 80 | <funcsynopsis> |
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| 81 | <funcprototype> |
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| 82 | <funcdef>void <function>glVertex4s</function></funcdef> |
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| 83 | <paramdef>GLshort <parameter>x</parameter></paramdef> |
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| 84 | <paramdef>GLshort <parameter>y</parameter></paramdef> |
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| 85 | <paramdef>GLshort <parameter>z</parameter></paramdef> |
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| 86 | <paramdef>GLshort <parameter>w</parameter></paramdef> |
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| 87 | </funcprototype> |
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| 88 | </funcsynopsis> |
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| 89 | <funcsynopsis> |
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| 90 | <funcprototype> |
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| 91 | <funcdef>void <function>glVertex4i</function></funcdef> |
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| 92 | <paramdef>GLint <parameter>x</parameter></paramdef> |
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| 93 | <paramdef>GLint <parameter>y</parameter></paramdef> |
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| 94 | <paramdef>GLint <parameter>z</parameter></paramdef> |
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| 95 | <paramdef>GLint <parameter>w</parameter></paramdef> |
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| 96 | </funcprototype> |
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| 97 | </funcsynopsis> |
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| 98 | <funcsynopsis> |
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| 99 | <funcprototype> |
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| 100 | <funcdef>void <function>glVertex4f</function></funcdef> |
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| 101 | <paramdef>GLfloat <parameter>x</parameter></paramdef> |
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| 102 | <paramdef>GLfloat <parameter>y</parameter></paramdef> |
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| 103 | <paramdef>GLfloat <parameter>z</parameter></paramdef> |
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| 104 | <paramdef>GLfloat <parameter>w</parameter></paramdef> |
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| 105 | </funcprototype> |
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| 106 | </funcsynopsis> |
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| 107 | <funcsynopsis> |
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| 108 | <funcprototype> |
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| 109 | <funcdef>void <function>glVertex4d</function></funcdef> |
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| 110 | <paramdef>GLdouble <parameter>x</parameter></paramdef> |
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| 111 | <paramdef>GLdouble <parameter>y</parameter></paramdef> |
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| 112 | <paramdef>GLdouble <parameter>z</parameter></paramdef> |
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| 113 | <paramdef>GLdouble <parameter>w</parameter></paramdef> |
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| 114 | </funcprototype> |
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| 115 | </funcsynopsis> |
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| 116 | </refsynopsisdiv> |
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| 117 | <refsect1 id="parameters"><title>Parameters</title> |
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| 118 | <variablelist> |
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| 119 | <varlistentry> |
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| 120 | <term><parameter>x</parameter></term> |
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| 121 | <term><parameter>y</parameter></term> |
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| 122 | <term><parameter>z</parameter></term> |
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| 123 | <term><parameter>w</parameter></term> |
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| 124 | <listitem> |
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| 125 | <para> |
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| 126 | Specify <emphasis>x</emphasis>, <emphasis>y</emphasis>, <emphasis>z</emphasis>, and <emphasis>w</emphasis> coordinates of a vertex. |
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| 127 | Not all parameters are present in all forms of the command. |
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| 128 | </para> |
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| 129 | </listitem> |
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| 130 | </varlistentry> |
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| 131 | </variablelist> |
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| 132 | </refsect1> |
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| 133 | <refsynopsisdiv><title>C Specification</title> |
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| 134 | <funcsynopsis> |
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| 135 | <funcprototype> |
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| 136 | <funcdef>void <function>glVertex2sv</function></funcdef> |
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| 137 | <paramdef>const GLshort * <parameter>v</parameter></paramdef> |
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| 138 | </funcprototype> |
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| 139 | </funcsynopsis> |
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| 140 | <funcsynopsis> |
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| 141 | <funcprototype> |
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| 142 | <funcdef>void <function>glVertex2iv</function></funcdef> |
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| 143 | <paramdef>const GLint * <parameter>v</parameter></paramdef> |
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| 144 | </funcprototype> |
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| 145 | </funcsynopsis> |
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| 146 | <funcsynopsis> |
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| 147 | <funcprototype> |
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| 148 | <funcdef>void <function>glVertex2fv</function></funcdef> |
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| 149 | <paramdef>const GLfloat * <parameter>v</parameter></paramdef> |
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| 150 | </funcprototype> |
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| 151 | </funcsynopsis> |
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| 152 | <funcsynopsis> |
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| 153 | <funcprototype> |
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| 154 | <funcdef>void <function>glVertex2dv</function></funcdef> |
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| 155 | <paramdef>const GLdouble * <parameter>v</parameter></paramdef> |
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| 156 | </funcprototype> |
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| 157 | </funcsynopsis> |
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| 158 | <funcsynopsis> |
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| 159 | <funcprototype> |
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| 160 | <funcdef>void <function>glVertex3sv</function></funcdef> |
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| 161 | <paramdef>const GLshort * <parameter>v</parameter></paramdef> |
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| 162 | </funcprototype> |
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| 163 | </funcsynopsis> |
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| 164 | <funcsynopsis> |
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| 165 | <funcprototype> |
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| 166 | <funcdef>void <function>glVertex3iv</function></funcdef> |
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| 167 | <paramdef>const GLint * <parameter>v</parameter></paramdef> |
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| 168 | </funcprototype> |
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| 169 | </funcsynopsis> |
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| 170 | <funcsynopsis> |
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| 171 | <funcprototype> |
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| 172 | <funcdef>void <function>glVertex3fv</function></funcdef> |
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| 173 | <paramdef>const GLfloat * <parameter>v</parameter></paramdef> |
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| 174 | </funcprototype> |
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| 175 | </funcsynopsis> |
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| 176 | <funcsynopsis> |
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| 177 | <funcprototype> |
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| 178 | <funcdef>void <function>glVertex3dv</function></funcdef> |
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| 179 | <paramdef>const GLdouble * <parameter>v</parameter></paramdef> |
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| 180 | </funcprototype> |
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| 181 | </funcsynopsis> |
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| 182 | <funcsynopsis> |
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| 183 | <funcprototype> |
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| 184 | <funcdef>void <function>glVertex4sv</function></funcdef> |
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| 185 | <paramdef>const GLshort * <parameter>v</parameter></paramdef> |
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| 186 | </funcprototype> |
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| 187 | </funcsynopsis> |
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| 188 | <funcsynopsis> |
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| 189 | <funcprototype> |
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| 190 | <funcdef>void <function>glVertex4iv</function></funcdef> |
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| 191 | <paramdef>const GLint * <parameter>v</parameter></paramdef> |
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| 192 | </funcprototype> |
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| 193 | </funcsynopsis> |
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| 194 | <funcsynopsis> |
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| 195 | <funcprototype> |
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| 196 | <funcdef>void <function>glVertex4fv</function></funcdef> |
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| 197 | <paramdef>const GLfloat * <parameter>v</parameter></paramdef> |
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| 198 | </funcprototype> |
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| 199 | </funcsynopsis> |
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| 200 | <funcsynopsis> |
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| 201 | <funcprototype> |
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| 202 | <funcdef>void <function>glVertex4dv</function></funcdef> |
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| 203 | <paramdef>const GLdouble * <parameter>v</parameter></paramdef> |
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| 204 | </funcprototype> |
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| 205 | </funcsynopsis> |
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| 206 | </refsynopsisdiv> |
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| 207 | <refsect1 id="parameters2"><title>Parameters</title> |
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| 208 | <variablelist> |
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| 209 | <varlistentry> |
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| 210 | <term><parameter>v</parameter></term> |
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| 211 | <listitem> |
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| 212 | <para> |
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| 213 | Specifies a pointer to an array of two, three, or four elements. |
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| 214 | The elements of a two-element array are |
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| 215 | <inlineequation><mml:math><mml:mi mathvariant="italic">x</mml:mi></mml:math></inlineequation> |
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| 216 | and |
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| 217 | <inlineequation><mml:math><mml:mi mathvariant="italic">y</mml:mi></mml:math></inlineequation>; |
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| 218 | of a three-element array, |
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| 219 | <inlineequation><mml:math><mml:mi mathvariant="italic">x</mml:mi></mml:math></inlineequation>, |
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| 220 | <inlineequation><mml:math><mml:mi mathvariant="italic">y</mml:mi></mml:math></inlineequation>, |
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| 221 | and |
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| 222 | <inlineequation><mml:math><mml:mi mathvariant="italic">z</mml:mi></mml:math></inlineequation>; |
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| 223 | and of a four-element array, |
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| 224 | <inlineequation><mml:math><mml:mi mathvariant="italic">x</mml:mi></mml:math></inlineequation>, |
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| 225 | <inlineequation><mml:math><mml:mi mathvariant="italic">y</mml:mi></mml:math></inlineequation>, |
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| 226 | <inlineequation><mml:math><mml:mi mathvariant="italic">z</mml:mi></mml:math></inlineequation>, |
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| 227 | and |
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| 228 | <inlineequation><mml:math><mml:mi mathvariant="italic">w</mml:mi></mml:math></inlineequation>. |
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| 229 | </para> |
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| 230 | </listitem> |
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| 231 | </varlistentry> |
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| 232 | </variablelist> |
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| 233 | </refsect1> |
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| 234 | <refsect1 id="description"><title>Description</title> |
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| 235 | <para> |
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| 236 | <function>glVertex</function> commands are used within <citerefentry><refentrytitle>glBegin</refentrytitle></citerefentry>/<citerefentry><refentrytitle>glEnd</refentrytitle></citerefentry> pairs to specify |
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| 237 | point, line, and polygon vertices. The current color, normal, texture |
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| 238 | coordinates, and fog coordinate are associated with the vertex when <function>glVertex</function> |
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| 239 | is called. |
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| 240 | </para> |
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| 241 | <para> |
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| 242 | When only |
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| 243 | <inlineequation><mml:math><mml:mi mathvariant="italic">x</mml:mi></mml:math></inlineequation> |
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| 244 | and |
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| 245 | <inlineequation><mml:math><mml:mi mathvariant="italic">y</mml:mi></mml:math></inlineequation> |
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| 246 | are specified, |
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| 247 | <inlineequation><mml:math><mml:mi mathvariant="italic">z</mml:mi></mml:math></inlineequation> |
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| 248 | defaults to 0 and |
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| 249 | <inlineequation><mml:math><mml:mi mathvariant="italic">w</mml:mi></mml:math></inlineequation> |
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| 250 | defaults to 1. When |
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| 251 | <inlineequation><mml:math><mml:mi mathvariant="italic">x</mml:mi></mml:math></inlineequation>, |
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| 252 | <inlineequation><mml:math><mml:mi mathvariant="italic">y</mml:mi></mml:math></inlineequation>, |
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| 253 | and |
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| 254 | <inlineequation><mml:math><mml:mi mathvariant="italic">z</mml:mi></mml:math></inlineequation> |
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| 255 | are specified, |
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| 256 | <inlineequation><mml:math><mml:mi mathvariant="italic">w</mml:mi></mml:math></inlineequation> |
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| 257 | defaults to 1. |
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| 258 | </para> |
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| 259 | </refsect1> |
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| 260 | <refsect1 id="notes"><title>Notes</title> |
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| 261 | <para> |
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| 262 | Invoking <function>glVertex</function> outside of a <citerefentry><refentrytitle>glBegin</refentrytitle></citerefentry>/<citerefentry><refentrytitle>glEnd</refentrytitle></citerefentry> pair |
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| 263 | results in undefined behavior. |
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| 264 | </para> |
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| 265 | </refsect1> |
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| 266 | <refsect1 id="seealso"><title>See Also</title> |
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| 267 | <para> |
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| 268 | <citerefentry><refentrytitle>glBegin</refentrytitle></citerefentry>, |
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| 269 | <citerefentry><refentrytitle>glCallList</refentrytitle></citerefentry>, |
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| 270 | <citerefentry><refentrytitle>glColor</refentrytitle></citerefentry>, |
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| 271 | <citerefentry><refentrytitle>glEdgeFlag</refentrytitle></citerefentry>, |
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| 272 | <citerefentry><refentrytitle>glEvalCoord</refentrytitle></citerefentry>, |
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| 273 | <citerefentry><refentrytitle>glFogCoord</refentrytitle></citerefentry>, |
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| 274 | <citerefentry><refentrytitle>glIndex</refentrytitle></citerefentry>, |
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| 275 | <citerefentry><refentrytitle>glMaterial</refentrytitle></citerefentry>, |
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| 276 | <citerefentry><refentrytitle>glMultiTexCoord</refentrytitle></citerefentry>, |
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| 277 | <citerefentry><refentrytitle>glNormal</refentrytitle></citerefentry>, |
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| 278 | <citerefentry><refentrytitle>glRect</refentrytitle></citerefentry>, |
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| 279 | <citerefentry><refentrytitle>glTexCoord</refentrytitle></citerefentry>, |
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| 280 | <citerefentry><refentrytitle>glVertexPointer</refentrytitle></citerefentry> |
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| 281 | </para> |
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| 282 | </refsect1> |
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| 283 | <refsect1 id="Copyright"><title>Copyright</title> |
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| 284 | <para> |
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| 285 | Copyright <trademark class="copyright"></trademark> 1991-2006 |
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| 286 | Silicon Graphics, Inc. This document is licensed under the SGI |
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| 287 | Free Software B License. For details, see |
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| 288 | <ulink url="http://oss.sgi.com/projects/FreeB/">http://oss.sgi.com/projects/FreeB/</ulink>. |
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| 289 | </para> |
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| 290 | </refsect1> |
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| 291 | </refentry> |