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117 lines
5.2 KiB
XML
117 lines
5.2 KiB
XML
<!DOCTYPE refentry [ <!ENTITY % mathent SYSTEM "math.ent"> %mathent; ]>
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<!-- Converted by db4-upgrade version 1.1 -->
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<refentry xmlns="http://docbook.org/ns/docbook" version="5.0" xml:id="glGenTextures">
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<info>
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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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<copyright>
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<year>2010-2014</year>
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<holder>Khronos Group</holder>
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</copyright>
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</info>
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<refmeta>
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<refentrytitle>glGenTextures</refentrytitle>
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<manvolnum>3G</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>glGenTextures</refname>
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<refpurpose>generate texture names</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<title>C Specification</title>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>glGenTextures</function></funcdef>
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<paramdef>GLsizei <parameter>n</parameter></paramdef>
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<paramdef>GLuint * <parameter>textures</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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</refsynopsisdiv>
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<refsect1 xml:id="parameters"><title>Parameters</title>
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<variablelist>
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<varlistentry>
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<term><parameter>n</parameter></term>
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<listitem>
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<para>
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Specifies the number of texture names to be generated.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>textures</parameter></term>
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<listitem>
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<para>
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Specifies an array in which the generated texture names are stored.
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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 xml:id="description"><title>Description</title>
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<para>
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<function>glGenTextures</function> returns <parameter>n</parameter> texture names in <parameter>textures</parameter>.
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There is no guarantee that the names form a contiguous set of integers;
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however, it is guaranteed that none of the returned names was in use
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immediately before the call to <function>glGenTextures</function>.
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</para>
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<para>
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Texture names returned by a call to <function>glGenTextures</function> are not returned by
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subsequent calls, unless they are first deleted with
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<citerefentry><refentrytitle>glDeleteTextures</refentrytitle></citerefentry>.
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</para>
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<para>
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The names returned in <parameter>textures</parameter> are marked as used, for the purposes of <function>glGenTextures</function> only,
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but they acquire state and dimensionality only when they are first bound using <citerefentry><refentrytitle>glBindTexture</refentrytitle></citerefentry>.
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</para>
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</refsect1>
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<refsect1 xml:id="errors"><title>Errors</title>
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<para>
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<constant>GL_INVALID_VALUE</constant> is generated if <parameter>n</parameter> is negative.
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</para>
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</refsect1>
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<refsect1 xml:id="associatedgets"><title>Associated Gets</title>
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<para>
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<citerefentry><refentrytitle>glIsTexture</refentrytitle></citerefentry>
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</para>
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</refsect1>
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<refsect1 xml:id="versions">
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<title>API Version Support</title>
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<informaltable>
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<tgroup cols="4" align="left">
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="apifunchead.xml" xpointer="xpointer(/*/*)"/>
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<tbody>
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<row>
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<entry>glGenTextures</entry>
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="apiversion.xml" xpointer="xpointer(/*/*[@role='es20']/*)"/>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</refsect1>
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<refsect1 xml:id="seealso"><title>See Also</title>
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<para>
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<citerefentry><refentrytitle>glBindTexture</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glCopyTexImage2D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glDeleteTextures</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glGet</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glGetTexParameter</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glTexImage2D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glTexImage3D</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>glTexParameter</refentrytitle></citerefentry>
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</para>
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</refsect1>
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<refsect1 xml:id="Copyright"><title>Copyright</title>
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<para>
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Copyright <trademark class="copyright"/> 1991-2006 Silicon Graphics, Inc.
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Copyright <trademark class="copyright"/> 2010-2014 Khronos Group.
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This document is licensed under the SGI Free Software B License.
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For details, see
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<link xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="http://oss.sgi.com/projects/FreeB/">http://oss.sgi.com/projects/FreeB/</link>.
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</para>
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</refsect1>
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</refentry>
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