mirror of
https://github.com/Ryujinx/Opentk.git
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292 lines
14 KiB
XML
292 lines
14 KiB
XML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
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"http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
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<refentry id="glVertex">
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<refmeta>
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<refmetainfo>
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<copyright>
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<year>1991-2006</year>
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<holder>Silicon Graphics, Inc.</holder>
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</copyright>
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</refmetainfo>
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<refentrytitle>glVertex</refentrytitle>
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<manvolnum>3G</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>glVertex</refname>
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<refpurpose>specify a vertex</refpurpose>
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</refnamediv>
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<refsynopsisdiv><title>C Specification</title>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex2s</function></funcdef>
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<paramdef>GLshort <parameter>x</parameter></paramdef>
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<paramdef>GLshort <parameter>y</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex2i</function></funcdef>
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<paramdef>GLint <parameter>x</parameter></paramdef>
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<paramdef>GLint <parameter>y</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex2f</function></funcdef>
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<paramdef>GLfloat <parameter>x</parameter></paramdef>
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<paramdef>GLfloat <parameter>y</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex2d</function></funcdef>
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<paramdef>GLdouble <parameter>x</parameter></paramdef>
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<paramdef>GLdouble <parameter>y</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex3s</function></funcdef>
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<paramdef>GLshort <parameter>x</parameter></paramdef>
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<paramdef>GLshort <parameter>y</parameter></paramdef>
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<paramdef>GLshort <parameter>z</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex3i</function></funcdef>
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<paramdef>GLint <parameter>x</parameter></paramdef>
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<paramdef>GLint <parameter>y</parameter></paramdef>
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<paramdef>GLint <parameter>z</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex3f</function></funcdef>
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<paramdef>GLfloat <parameter>x</parameter></paramdef>
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<paramdef>GLfloat <parameter>y</parameter></paramdef>
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<paramdef>GLfloat <parameter>z</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex3d</function></funcdef>
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<paramdef>GLdouble <parameter>x</parameter></paramdef>
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<paramdef>GLdouble <parameter>y</parameter></paramdef>
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<paramdef>GLdouble <parameter>z</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex4s</function></funcdef>
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<paramdef>GLshort <parameter>x</parameter></paramdef>
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<paramdef>GLshort <parameter>y</parameter></paramdef>
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<paramdef>GLshort <parameter>z</parameter></paramdef>
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<paramdef>GLshort <parameter>w</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex4i</function></funcdef>
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<paramdef>GLint <parameter>x</parameter></paramdef>
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<paramdef>GLint <parameter>y</parameter></paramdef>
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<paramdef>GLint <parameter>z</parameter></paramdef>
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<paramdef>GLint <parameter>w</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex4f</function></funcdef>
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<paramdef>GLfloat <parameter>x</parameter></paramdef>
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<paramdef>GLfloat <parameter>y</parameter></paramdef>
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<paramdef>GLfloat <parameter>z</parameter></paramdef>
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<paramdef>GLfloat <parameter>w</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex4d</function></funcdef>
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<paramdef>GLdouble <parameter>x</parameter></paramdef>
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<paramdef>GLdouble <parameter>y</parameter></paramdef>
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<paramdef>GLdouble <parameter>z</parameter></paramdef>
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<paramdef>GLdouble <parameter>w</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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</refsynopsisdiv>
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<refsect1 id="parameters"><title>Parameters</title>
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<variablelist>
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<varlistentry>
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<term><parameter>x</parameter></term>
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<term><parameter>y</parameter></term>
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<term><parameter>z</parameter></term>
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<term><parameter>w</parameter></term>
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<listitem>
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<para>
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Specify <emphasis>x</emphasis>, <emphasis>y</emphasis>, <emphasis>z</emphasis>, and <emphasis>w</emphasis> coordinates of a vertex.
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Not all parameters are present in all forms of the command.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsynopsisdiv><title>C Specification</title>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex2sv</function></funcdef>
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<paramdef>const GLshort * <parameter>v</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex2iv</function></funcdef>
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<paramdef>const GLint * <parameter>v</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex2fv</function></funcdef>
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<paramdef>const GLfloat * <parameter>v</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex2dv</function></funcdef>
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<paramdef>const GLdouble * <parameter>v</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex3sv</function></funcdef>
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<paramdef>const GLshort * <parameter>v</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex3iv</function></funcdef>
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<paramdef>const GLint * <parameter>v</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex3fv</function></funcdef>
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<paramdef>const GLfloat * <parameter>v</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex3dv</function></funcdef>
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<paramdef>const GLdouble * <parameter>v</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex4sv</function></funcdef>
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<paramdef>const GLshort * <parameter>v</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex4iv</function></funcdef>
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<paramdef>const GLint * <parameter>v</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex4fv</function></funcdef>
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<paramdef>const GLfloat * <parameter>v</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glVertex4dv</function></funcdef>
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<paramdef>const GLdouble * <parameter>v</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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</refsynopsisdiv>
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<refsect1 id="parameters2"><title>Parameters</title>
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<variablelist>
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<varlistentry>
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<term><parameter>v</parameter></term>
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<listitem>
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<para>
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Specifies a pointer to an array of two, three, or four elements.
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The elements of a two-element array are
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<inlineequation><mml:math><mml:mi mathvariant="italic">x</mml:mi></mml:math></inlineequation>
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and
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<inlineequation><mml:math><mml:mi mathvariant="italic">y</mml:mi></mml:math></inlineequation>;
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of a three-element array,
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<inlineequation><mml:math><mml:mi mathvariant="italic">x</mml:mi></mml:math></inlineequation>,
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<inlineequation><mml:math><mml:mi mathvariant="italic">y</mml:mi></mml:math></inlineequation>,
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and
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<inlineequation><mml:math><mml:mi mathvariant="italic">z</mml:mi></mml:math></inlineequation>;
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and of a four-element array,
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<inlineequation><mml:math><mml:mi mathvariant="italic">x</mml:mi></mml:math></inlineequation>,
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<inlineequation><mml:math><mml:mi mathvariant="italic">y</mml:mi></mml:math></inlineequation>,
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<inlineequation><mml:math><mml:mi mathvariant="italic">z</mml:mi></mml:math></inlineequation>,
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and
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<inlineequation><mml:math><mml:mi mathvariant="italic">w</mml:mi></mml:math></inlineequation>.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 id="description"><title>Description</title>
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<para>
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<function>glVertex</function> commands are used within <citerefentry><refentrytitle>glBegin</refentrytitle></citerefentry>/<citerefentry><refentrytitle>glEnd</refentrytitle></citerefentry> pairs to specify
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point, line, and polygon vertices. The current color, normal, texture
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coordinates, and fog coordinate are associated with the vertex when <function>glVertex</function>
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is called.
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</para>
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<para>
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When only
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<inlineequation><mml:math><mml:mi mathvariant="italic">x</mml:mi></mml:math></inlineequation>
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and
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<inlineequation><mml:math><mml:mi mathvariant="italic">y</mml:mi></mml:math></inlineequation>
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are specified,
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<inlineequation><mml:math><mml:mi mathvariant="italic">z</mml:mi></mml:math></inlineequation>
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defaults to 0 and
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<inlineequation><mml:math><mml:mi mathvariant="italic">w</mml:mi></mml:math></inlineequation>
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defaults to 1. When
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<inlineequation><mml:math><mml:mi mathvariant="italic">x</mml:mi></mml:math></inlineequation>,
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<inlineequation><mml:math><mml:mi mathvariant="italic">y</mml:mi></mml:math></inlineequation>,
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and
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<inlineequation><mml:math><mml:mi mathvariant="italic">z</mml:mi></mml:math></inlineequation>
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are specified,
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<inlineequation><mml:math><mml:mi mathvariant="italic">w</mml:mi></mml:math></inlineequation>
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defaults to 1.
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</para>
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</refsect1>
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<refsect1 id="notes"><title>Notes</title>
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<para>
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Invoking <function>glVertex</function> outside of a <citerefentry><refentrytitle>glBegin</refentrytitle></citerefentry>/<citerefentry><refentrytitle>glEnd</refentrytitle></citerefentry> pair
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results in undefined behavior.
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</para>
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</refsect1>
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<refsect1 id="seealso"><title>See Also</title>
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<para>
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<citerefentry><refentrytitle>glBegin</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glCallList</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glColor</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glEdgeFlag</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glEvalCoord</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glFogCoord</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glIndex</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glMaterial</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glMultiTexCoord</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glNormal</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glRect</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glTexCoord</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glVertexPointer</refentrytitle></citerefentry>
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</para>
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</refsect1>
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<refsect1 id="Copyright"><title>Copyright</title>
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<para>
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Copyright <trademark class="copyright"></trademark> 1991-2006
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Silicon Graphics, Inc. This document is licensed under the SGI
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Free Software B License. For details, see
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<ulink url="http://oss.sgi.com/projects/FreeB/">http://oss.sgi.com/projects/FreeB/</ulink>.
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</para>
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</refsect1>
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</refentry>
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