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<!DOCTYPE refentry [ <!ENTITY % mathent SYSTEM "math.ent"> %mathent; ]>
<refentry xmlns="http://docbook.org/ns/docbook" version="5.0" xml:id="glTransformFeedbackBufferRange">
<info>
<copyright>
<year>2014</year>
<holder>Khronos Group</holder>
</copyright>
</info>
<refmeta>
<refentrytitle>glTransformFeedbackBufferRange</refentrytitle>
<manvolnum>3G</manvolnum>
</refmeta>
<refnamediv>
<refname>glTransformFeedbackBufferRange</refname>
<refpurpose>bind a range within a buffer object to a transform feedback buffer object</refpurpose>
</refnamediv>
<refsynopsisdiv><title>C Specification</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>glTransformFeedbackBufferRange</function></funcdef>
<paramdef>GLuint <parameter>xfb</parameter></paramdef>
<paramdef>GLuint <parameter>index</parameter></paramdef>
<paramdef>GLuint <parameter>buffer</parameter></paramdef>
<paramdef>GLintptr <parameter>offset</parameter></paramdef>
<paramdef>GLsizei <parameter>size</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 xml:id="parameters"><title>Parameters</title>
<variablelist>
<varlistentry>
<term><parameter>xfb</parameter></term>
<listitem>
<para>
Name of the transform feedback buffer object.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>index</parameter></term>
<listitem>
<para>
Index of the binding point within
<parameter>xfb</parameter>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>buffer</parameter></term>
<listitem>
<para>
Name of the buffer object to bind to the specified
binding point.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>offset</parameter></term>
<listitem>
<para>
The starting offset in basic machine units into the
buffer object.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>size</parameter></term>
<listitem>
<para>
The amount of data in basic machine units that can
be read from or written to the buffer object while
used as an indexed target.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 xml:id="description"><title>Description</title>
<para>
<function>glTransformFeedbackBufferRange</function>
binds a range of the buffer object <parameter>buffer</parameter>
represented by <parameter>offset</parameter> and
<parameter>size</parameter> to the binding point at index
<parameter>index</parameter> of the transform feedback object
<parameter>xfb</parameter>.
</para>
<para>
<parameter>offset</parameter> specifies the offset in basic
machine units into the buffer object
<parameter>buffer</parameter> and <parameter>size</parameter>
specifies the amount of data that can be read from the buffer
object while used as an indexed target.
</para>
</refsect1>
<refsect1 xml:id="notes"><title>Notes</title>
<para>
</para>
</refsect1>
<refsect1 xml:id="errors"><title>Errors</title>
<para>
<constant>GL_INVALID_OPERATION</constant> is generated if
<parameter>xfb</parameter> is not the name of an existing
transform feedback object.
</para>
<para>
<constant>GL_INVALID_VALUE</constant> is generated if in
<parameter>buffer</parameter> is not zero or the name of an
existing buffer object.
</para>
<para>
<constant>GL_INVALID_VALUE</constant> is generated if
<parameter>index</parameter> is greater than or equal to the
number of transform feedback buffer binding points (the value of
<constant>GL_TRANSFORM_FEEDBACK_BUFFER_BINDING</constant>).
</para>
<para>
<constant>GL_INVALID_VALUE</constant> is generated if
<parameter>offset</parameter> is negative.
</para>
<para>
<constant>GL_INVALID_VALUE</constant> is generated if
<parameter>buffer</parameter> is non-zero and either
<parameter>size</parameter> is less than or equal to zero, or
<parameter>offset</parameter> + <parameter>size</parameter> is
greater than the value of <constant>GL_BUFFER_SIZE</constant>
for <parameter>buffer</parameter>.
</para>
</refsect1>
<refsect1 xml:id="versions"><title>Version Support</title>
<informaltable>
<tgroup cols="13" align="left">
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="apifunchead.xml" xpointer="xpointer(/*/*)"/>
<tbody>
<row>
<entry><function>glTransformFeedbackBufferRange</function></entry>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="apiversion.xml" xpointer="xpointer(/*/*[@role='45']/*)"/>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 xml:id="seealso"><title>See Also</title>
<para>
<citerefentry><refentrytitle>glBindBufferRange</refentrytitle></citerefentry>,
<citerefentry><refentrytitle>glBindBufferBase</refentrytitle></citerefentry>,
<citerefentry><refentrytitle>glTransformFeedbackBufferBase</refentrytitle></citerefentry>.
</para>
</refsect1>
<refsect1 xml:id="Copyright"><title>Copyright</title>
<para>
Copyright <trademark class="copyright"/> 2014 Khronos Group.
This material may be distributed subject to the terms and conditions set forth in
the Open Publication License, v 1.0, 8 June 1999.
<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://opencontent.org/openpub/">http://opencontent.org/openpub/</link>.
</para>
</refsect1>
</refentry>
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