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AW		 1<?xml version="1.0" encoding="UTF-8"?>
2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd">
3<!-- saved from url=(0013)about:internet -->
4<?xml-stylesheet type="text/xsl" href="mathml.xsl"?><html xmlns="http://www.w3.org/1999/xhtml" xmlns:pref="http://www.w3.org/2002/Math/preference" pref:renderer="mathplayer-dl"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><link rel="stylesheet" type="text/css" href="opengl-man.css" /><title>glVertexAttrib - OpenGL 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="glVertexAttrib"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glVertexAttrib — Specifies the value of a generic vertex attribute</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib1f</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLfloat  </td><td><var class="pdparam">v0</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib1s</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLshort  </td><td><var class="pdparam">v0</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib1d</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v0</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI1i</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLint  </td><td><var class="pdparam">v0</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI1ui</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLuint  </td><td><var class="pdparam">v0</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib2f</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLfloat  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLfloat  </td><td><var class="pdparam">v1</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib2s</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLshort  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLshort  </td><td><var class="pdparam">v1</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib2d</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v1</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI2i</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLint  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLint  </td><td><var class="pdparam">v1</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI2ui</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLuint  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLuint  </td><td><var class="pdparam">v1</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib3f</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLfloat  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLfloat  </td><td><var class="pdparam">v1</var>, </td></tr><tr><td> </td><td>GLfloat  </td><td><var class="pdparam">v2</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib3s</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLshort  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLshort  </td><td><var class="pdparam">v1</var>, </td></tr><tr><td> </td><td>GLshort  </td><td><var class="pdparam">v2</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib3d</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v1</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v2</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI3i</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLint  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLint  </td><td><var class="pdparam">v1</var>, </td></tr><tr><td> </td><td>GLint  </td><td><var class="pdparam">v2</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI3ui</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLuint  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLuint  </td><td><var class="pdparam">v1</var>, </td></tr><tr><td> </td><td>GLuint  </td><td><var class="pdparam">v2</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4f</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLfloat  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLfloat  </td><td><var class="pdparam">v1</var>, </td></tr><tr><td> </td><td>GLfloat  </td><td><var class="pdparam">v2</var>, </td></tr><tr><td> </td><td>GLfloat  </td><td><var class="pdparam">v3</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4s</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLshort  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLshort  </td><td><var class="pdparam">v1</var>, </td></tr><tr><td> </td><td>GLshort  </td><td><var class="pdparam">v2</var>, </td></tr><tr><td> </td><td>GLshort  </td><td><var class="pdparam">v3</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4d</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v1</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v2</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v3</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4Nub</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLubyte  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLubyte  </td><td><var class="pdparam">v1</var>, </td></tr><tr><td> </td><td>GLubyte  </td><td><var class="pdparam">v2</var>, </td></tr><tr><td> </td><td>GLubyte  </td><td><var class="pdparam">v3</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI4i</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLint  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLint  </td><td><var class="pdparam">v1</var>, </td></tr><tr><td> </td><td>GLint  </td><td><var class="pdparam">v2</var>, </td></tr><tr><td> </td><td>GLint  </td><td><var class="pdparam">v3</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI4ui</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLuint  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLuint  </td><td><var class="pdparam">v1</var>, </td></tr><tr><td> </td><td>GLuint  </td><td><var class="pdparam">v2</var>, </td></tr><tr><td> </td><td>GLuint  </td><td><var class="pdparam">v3</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribL1d</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v0</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribL2d</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v1</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribL3d</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v1</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v2</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribL4d</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v0</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v1</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v2</var>, </td></tr><tr><td> </td><td>GLdouble  </td><td><var class="pdparam">v3</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>index</code></em></span></dt><dd><p>Specifies the index of the generic vertex
5 attribute to be modified.</p></dd><dt><span class="term">
6 <em class="parameter"><code>v0</code></em>,
7 <em class="parameter"><code>v1</code></em>,
8 <em class="parameter"><code>v2</code></em>,
9 <em class="parameter"><code>v3</code></em>
10 </span></dt><dd><p>Specifies the new values to be used for the
11 specified vertex attribute.</p></dd></dl></div></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib1fv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLfloat * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib1sv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLshort * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib1dv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLdouble * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI1iv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLint * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI1uiv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLuint * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib2fv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLfloat * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib2sv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLshort * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib2dv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLdouble * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI2iv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLint * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI2uiv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLuint * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib3fv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLfloat * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib3sv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLshort * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib3dv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLdouble * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI3iv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLint * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI3uiv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLuint * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4fv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLfloat * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4sv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLshort * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4dv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLdouble * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4iv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLint * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4bv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLbyte * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4ubv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLubyte * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4usv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLushort * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4uiv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLuint * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4Nbv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLbyte * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4Nsv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLshort * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4Niv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLint * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4Nubv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLubyte * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4Nusv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLushort * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttrib4Nuiv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLuint * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI4bv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLbyte * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI4ubv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLubyte * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI4sv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLshort * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI4usv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLushort * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI4iv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLint * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribI4uiv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLuint * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribL1dv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLdouble * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribL2dv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLdouble * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribL3dv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLdouble * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribL4dv</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>const GLdouble * </td><td><var class="pdparam">v</var><code>)</code>;</td></tr></table></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="parameters2"></a><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>index</code></em></span></dt><dd><p>Specifies the index of the generic vertex
12 attribute to be modified.</p></dd><dt><span class="term"><em class="parameter"><code>v</code></em></span></dt><dd><p>Specifies a pointer to an array of values to
13 be used for the generic vertex attribute.</p></dd></dl></div></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribP1ui</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLenum  </td><td><var class="pdparam">type</var>, </td></tr><tr><td> </td><td>GLboolean  </td><td><var class="pdparam">normalized</var>, </td></tr><tr><td> </td><td>GLuint  </td><td><var class="pdparam">value</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribP2ui</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLenum  </td><td><var class="pdparam">type</var>, </td></tr><tr><td> </td><td>GLboolean  </td><td><var class="pdparam">normalized</var>, </td></tr><tr><td> </td><td>GLuint  </td><td><var class="pdparam">value</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" style="padding-bottom: 1em"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribP3ui</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLenum  </td><td><var class="pdparam">type</var>, </td></tr><tr><td> </td><td>GLboolean  </td><td><var class="pdparam">normalized</var>, </td></tr><tr><td> </td><td>GLuint  </td><td><var class="pdparam">value</var><code>)</code>;</td></tr></table><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr><td><code class="funcdef">void <b class="fsfunc">glVertexAttribP4ui</b>(</code></td><td>GLuint  </td><td><var class="pdparam">index</var>, </td></tr><tr><td> </td><td>GLenum  </td><td><var class="pdparam">type</var>, </td></tr><tr><td> </td><td>GLboolean  </td><td><var class="pdparam">normalized</var>, </td></tr><tr><td> </td><td>GLuint  </td><td><var class="pdparam">value</var><code>)</code>;</td></tr></table></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="parameters3"></a><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>index</code></em></span></dt><dd><p>Specifies the index of the generic vertex
14 attribute to be modified.</p></dd><dt><span class="term"><em class="parameter"><code>type</code></em></span></dt><dd><p>Type of packing used on the data. This parameter must be
c7b31271 15 <code class="constant">GL_INT_2_10_10_10_REV</code> or <code class="constant">GL_UNSIGNED_INT_2_10_10_10_REV</code>
7faf1d71
AW		 16 to specify signed or unsigned data, respectively.</p></dd><dt><span class="term"><em class="parameter"><code>normalized</code></em></span></dt><dd><p>If <code class="constant">GL_TRUE</code>, then the values are to be
17 converted to floating point values by normalizing. Otherwise,
18 they are converted directly to floating point values.</p></dd><dt><span class="term">
19 <em class="parameter"><code>value</code></em>
20 </span></dt><dd><p>Specifies the new packed value to be used for the
21 specified vertex attribute.</p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p>The <code class="function">glVertexAttrib</code> family of entry points
22 allows an application to pass generic vertex attributes in
23 numbered locations.</p><p>Generic attributes are defined as four-component values
24 that are organized into an array. The first entry of this array
25 is numbered 0, and the size of the array is specified by the
26 implementation-dependent constant
27 <code class="constant">GL_MAX_VERTEX_ATTRIBS</code>. Individual elements
28 of this array can be modified with a
29 <code class="function">glVertexAttrib</code> call that specifies the
30 index of the element to be modified and a value for that
31 element.</p><p>These commands can be used to specify one, two, three, or
32 all four components of the generic vertex attribute specified by
33 <em class="parameter"><code>index</code></em>. A <code class="function">1</code> in the
34 name of the command indicates that only one value is passed, and
35 it will be used to modify the first component of the generic
36 vertex attribute. The second and third components will be set to
37 0, and the fourth component will be set to 1. Similarly, a
38 <code class="function">2</code> in the name of the command indicates that
39 values are provided for the first two components, the third
40 component will be set to 0, and the fourth component will be set
41 to 1. A <code class="function">3</code> in the name of the command
42 indicates that values are provided for the first three
43 components and the fourth component will be set to 1, whereas a
44 <code class="function">4</code> in the name indicates that values are
45 provided for all four components.</p><p>The letters <code class="function">s</code>,
46 <code class="function">f</code>, <code class="function">i</code>,
47 <code class="function">d</code>, <code class="function">ub</code>,
48 <code class="function">us</code>, and <code class="function">ui</code> indicate
49 whether the arguments are of type short, float, int, double,
50 unsigned byte, unsigned short, or unsigned int. When
51 <code class="function">v</code> is appended to the name, the commands can
52 take a pointer to an array of such values.</p><p>Additional capitalized letters can indicate further alterations
53 to the default behavior of the glVertexAttrib function:</p><p>
54 The commands containing <code class="function">N</code> indicate that
55 the arguments will be passed as fixed-point values that are
56 scaled to a normalized range according to the component
57 conversion rules defined by the OpenGL specification. Signed
58 values are understood to represent fixed-point values in the
59 range [-1,1], and unsigned values are understood to represent
60 fixed-point values in the range [0,1].
61 </p><p>
62 The commands containing <code class="function">I</code> indicate that
63 the arguments are extended to full signed or unsigned integers.
64 </p><p>
65 The commands containing <code class="function">P</code> indicate that
66 the arguments are stored as packed components within a larger
67 natural type.
68 </p><p>
69 The commands containing <code class="function">L</code> indicate that
70 the arguments are full 64-bit quantities and should be passed directly
71 to shader inputs declared as 64-bit double precision types.
72 </p><p>OpenGL Shading Language attribute variables are allowed to
73 be of type mat2, mat3, or mat4. Attributes of these types may be
74 loaded using the <code class="function">glVertexAttrib</code> entry
75 points. Matrices must be loaded into successive generic
76 attribute slots in column major order, with one column of the
77 matrix in each generic attribute slot.</p><p>A user-defined attribute variable declared in a vertex
78 shader can be bound to a generic attribute index by calling
79 <a href="glBindAttribLocation.xml"><span class="citerefentry"><span class="refentrytitle">glBindAttribLocation</span></span></a>.
80 This allows an application to use more descriptive variable
81 names in a vertex shader. A subsequent change to the specified
82 generic vertex attribute will be immediately reflected as a
83 change to the corresponding attribute variable in the vertex
84 shader.</p><p>The binding between a generic vertex attribute index and a
85 user-defined attribute variable in a vertex shader is part of
86 the state of a program object, but the current value of the
87 generic vertex attribute is not. The value of each generic
88 vertex attribute is part of current state, just like standard
89 vertex attributes, and it is maintained even if a different
90 program object is used.</p><p>An application may freely modify generic vertex attributes
91 that are not bound to a named vertex shader attribute variable.
92 These values are simply maintained as part of current state and
93 will not be accessed by the vertex shader. If a generic vertex
94 attribute bound to an attribute variable in a vertex shader is
95 not updated while the vertex shader is executing, the vertex
96 shader will repeatedly use the current value for the generic
97 vertex attribute.</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="notes"></a><h2>Notes</h2><p>Generic vertex attributes can be updated at any time.</p><p>It is possible for an application to bind more than one
98 attribute name to the same generic vertex attribute index. This
99 is referred to as aliasing, and it is allowed only if just one
100 of the aliased attribute variables is active in the vertex
101 shader, or if no path through the vertex shader consumes more
102 than one of the attributes aliased to the same location. OpenGL
103 implementations are not required to do error checking to detect
104 aliasing, they are allowed to assume that aliasing will not
105 occur, and they are allowed to employ optimizations that work
106 only in the absence of aliasing.</p><p>There is no provision for binding standard vertex
107 attributes; therefore, it is not possible to alias generic
108 attributes with standard attributes.</p><p>
109 <code class="function">glVertexAttribL</code> versions are available only if the GL version is 4.1 or higher.
110 </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="errors"></a><h2>Errors</h2><p><code class="constant">GL_INVALID_VALUE</code> is generated if
111 <em class="parameter"><code>index</code></em> is greater than or equal to
112 <code class="constant">GL_MAX_VERTEX_ATTRIBS</code>.</p><p><code class="constant">GL_INVALID_ENUM</code> is generated if
113 <code class="function">glVertexAttribP</code> is used with a
114 <em class="parameter"><code>type</code></em> other than
c7b31271
DH		 115 <code class="constant">GL_INT_2_10_10_10_REV</code> or
116 <code class="constant">GL_UNSIGNED_INT_2_10_10_10_REV</code>.</p><p><code class="constant">GL_INVALID_ENUM</code> is generated if
7faf1d71
AW		 117 <code class="function">glVertexAttribL</code> is used with a
118 <em class="parameter"><code>type</code></em> other than
119 <code class="constant">GL_DOUBLE</code>.</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="associatedgets"></a><h2>Associated Gets</h2><p><a href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a>
120 with the argument <code class="constant">GL_CURRENT_PROGRAM</code></p><p><a href="glGetActiveAttrib.xml"><span class="citerefentry"><span class="refentrytitle">glGetActiveAttrib</span></span></a>
121 with argument <em class="parameter"><code>program</code></em> and the index of an active
122 attribute variable</p><p><a href="glGetAttribLocation.xml"><span class="citerefentry"><span class="refentrytitle">glGetAttribLocation</span></span></a>
123 with argument <em class="parameter"><code>program</code></em> and an attribute
124 variable name</p><p><a href="glGetVertexAttrib.xml"><span class="citerefentry"><span class="refentrytitle">glGetVertexAttrib</span></span></a>
125 with arguments <code class="constant">GL_CURRENT_VERTEX_ATTRIB</code> and
126 <em class="parameter"><code>index</code></em></p></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p><a href="glBindAttribLocation.xml"><span class="citerefentry"><span class="refentrytitle">glBindAttribLocation</span></span></a>,
127 <a href="glVertexAttribPointer.xml"><span class="citerefentry"><span class="refentrytitle">glVertexAttribPointer</span></span></a></p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p>
128 Copyright <span class="trademark"></span>© 2003-2005 3Dlabs Inc. Ltd.
129 Copyright <span class="trademark"></span>© 2010 Khronos Group.
130 This material may be distributed subject to the terms and conditions set forth in
131 the Open Publication License, v 1.0, 8 June 1999.
132 <a href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>.
133 </p></div></div></body></html>
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