94 lines
4 KiB
XML
94 lines
4 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
|
|
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
|
|
"http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
|
|
<refentry id="glGetVertexAttribPointerv">
|
|
<refmeta>
|
|
<refentrytitle>glGetVertexAttribPointerv</refentrytitle>
|
|
<manvolnum>3G</manvolnum>
|
|
</refmeta>
|
|
<refnamediv>
|
|
<refname>glGetVertexAttribPointerv</refname>
|
|
<refpurpose>return the address of the specified generic vertex attribute pointer</refpurpose>
|
|
</refnamediv>
|
|
<refsynopsisdiv><title>C Specification</title>
|
|
<funcsynopsis>
|
|
<funcprototype>
|
|
<funcdef>void <function>glGetVertexAttribPointerv</function></funcdef>
|
|
<paramdef>GLuint <parameter>index</parameter></paramdef>
|
|
<paramdef>GLenum <parameter>pname</parameter></paramdef>
|
|
<paramdef>GLvoid **<parameter>pointer</parameter></paramdef>
|
|
</funcprototype>
|
|
</funcsynopsis>
|
|
</refsynopsisdiv>
|
|
<refsect1 id="parameters"><title>Parameters</title>
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term><parameter>index</parameter></term>
|
|
<listitem>
|
|
<para>Specifies the generic vertex attribute
|
|
parameter to be returned.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><parameter>pname</parameter></term>
|
|
<listitem>
|
|
<para>Specifies the symbolic name of the generic
|
|
vertex attribute parameter to be returned. Must be
|
|
<constant>GL_VERTEX_ATTRIB_ARRAY_POINTER</constant>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><parameter>pointer</parameter></term>
|
|
<listitem>
|
|
<para>Returns the pointer value.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</refsect1>
|
|
<refsect1 id="description"><title>Description</title>
|
|
<para><function>glGetVertexAttribPointerv</function> returns
|
|
pointer information. <parameter>index</parameter> is the generic
|
|
vertex attribute to be queried, <parameter>pname</parameter> is
|
|
a symbolic constant indicating the pointer to be returned, and
|
|
<parameter>params</parameter> is a pointer to a location in
|
|
which to place the returned data.</para>
|
|
|
|
<para>If a non-zero named buffer object was bound to the <constant>GL_ARRAY_BUFFER</constant> target
|
|
(see <citerefentry><refentrytitle>glBindBuffer</refentrytitle></citerefentry>) when the desired pointer was previously
|
|
specified, the <parameter>pointer</parameter> returned is a byte offset into the buffer object's data store.
|
|
</para>
|
|
</refsect1>
|
|
<refsect1 id="notes"><title>Notes</title>
|
|
<para><function>glGetVertexAttribPointerv</function>
|
|
is available only if the GL version is 2.0 or greater.</para>
|
|
|
|
<para>The pointer returned is client-side state.</para>
|
|
|
|
<para>The initial value for each pointer is 0.</para>
|
|
</refsect1>
|
|
<refsect1 id="errors"><title>Errors</title>
|
|
<para><constant>GL_INVALID_VALUE</constant>
|
|
is generated if <parameter>index</parameter>
|
|
is greater than or equal to <constant>GL_MAX_VERTEX_ATTRIBS</constant>.</para>
|
|
|
|
<para><constant>GL_INVALID_ENUM</constant>
|
|
is generated if <parameter>pname</parameter>
|
|
is not an accepted value.</para>
|
|
</refsect1>
|
|
<refsect1 id="associatedgets"><title>Associated Gets</title>
|
|
<para><citerefentry><refentrytitle>glGet</refentrytitle></citerefentry>
|
|
with argument <constant>GL_MAX_VERTEX_ATTRIBS</constant></para>
|
|
</refsect1>
|
|
<refsect1 id="seealso"><title>See Also</title>
|
|
<para><citerefentry><refentrytitle>glGetVertexAttrib</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glVertexAttribPointer</refentrytitle></citerefentry></para>
|
|
</refsect1>
|
|
<refsect1 id="Copyright"><title>Copyright</title>
|
|
<para>
|
|
Copyright <trademark class="copyright"></trademark> 2003-2005 3Dlabs Inc. Ltd.
|
|
This material may be distributed subject to the terms and conditions set forth in
|
|
the Open Publication License, v 1.0, 8 June 1999.
|
|
<ulink url="http://opencontent.org/openpub/">http://opencontent.org/openpub/</ulink>.
|
|
</para>
|
|
</refsect1>
|
|
</refentry>
|