Opentk/Source/Bind/Specifications/Docs/GL/glGetQueryiv.xml

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<refentry xmlns="http://docbook.org/ns/docbook" version="5.0" xml:id="glGetQueryiv">
    <info>
        <copyright>
            <year>2005</year>
            <holder>Sams Publishing</holder>
        </copyright>
        <copyright>
            <year>2010-2013</year>
            <holder>Khronos Group</holder>
        </copyright>
    </info>
    <refmeta>
        <refentrytitle>glGetQueryiv</refentrytitle>
        <manvolnum>3G</manvolnum>
    </refmeta>
    <refnamediv>
        <refname>glGetQueryiv</refname>
        <refpurpose>return parameters of a query object target</refpurpose>
    </refnamediv>
    <refsynopsisdiv><title>C Specification</title>
        <funcsynopsis>
            <funcprototype>
                <funcdef>void <function>glGetQueryiv</function></funcdef>
                <paramdef>GLenum <parameter>target</parameter></paramdef>
                <paramdef>GLenum <parameter>pname</parameter></paramdef>
                <paramdef>GLint * <parameter>params</parameter></paramdef>
            </funcprototype>
        </funcsynopsis>
    </refsynopsisdiv>
    <refsect1 xml:id="parameters"><title>Parameters</title>
        <variablelist>
        <varlistentry>
            <term><parameter>target</parameter></term>
            <listitem>
                <para>
                    Specifies a query object target.
                    Must be <constant>GL_SAMPLES_PASSED</constant>, <constant>GL_ANY_SAMPLES_PASSED</constant>, <constant>GL_ANY_SAMPLES_PASSED_CONSERVATIVE</constant>
                    <constant>GL_PRIMITIVES_GENERATED</constant>, <constant>GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN</constant>,
                    <constant>GL_TIME_ELAPSED</constant>, or <constant>GL_TIMESTAMP</constant>.
                </para>
            </listitem>
        </varlistentry>
        <varlistentry>
            <term><parameter>pname</parameter></term>
            <listitem>
                <para>
                    Specifies the symbolic name of a query object target parameter.
                    Accepted values are <constant>GL_CURRENT_QUERY</constant> or <constant>GL_QUERY_COUNTER_BITS</constant>.
                </para>
            </listitem>
        </varlistentry>
        <varlistentry>
            <term><parameter>params</parameter></term>
            <listitem>
                <para>
                    Returns the requested data.
                </para>
            </listitem>
        </varlistentry>
        </variablelist>
    </refsect1>
    <refsect1 xml:id="description"><title>Description</title>
        <para>
            <function>glGetQueryiv</function> returns in <parameter>params</parameter> a selected parameter of the query object target
            specified by <parameter>target</parameter>.
        </para>
        <para>
            <parameter>pname</parameter> names a specific query object target parameter.  When <parameter>pname</parameter> is
            <constant>GL_CURRENT_QUERY</constant>, the name of the currently active query for <parameter>target</parameter>,
            or zero if no query is active, will be placed in <parameter>params</parameter>.
            If <parameter>pname</parameter> is <constant>GL_QUERY_COUNTER_BITS</constant>, the implementation-dependent number
            of bits used to hold the result of queries for <parameter>target</parameter> is returned in <parameter>params</parameter>.
        </para>
    </refsect1>
    <refsect1 xml:id="notes"><title>Notes</title>
        <para>
            The target <constant>GL_ANY_SAMPLES_PASSED_CONSERVATIVE</constant> is available only if the GL version is 4.3 or greater.
        </para>
        <para>
            If an error is generated,
            no change is made to the contents of <parameter>params</parameter>.
        </para>
    </refsect1>
    <refsect1 xml:id="errors"><title>Errors</title>
        <para>
            <constant>GL_INVALID_ENUM</constant> is generated if <parameter>target</parameter> or <parameter>pname</parameter> is not an
            accepted value.
        </para>
    </refsect1>
    <refsect1 xml:id="seealso"><title>See Also</title>
        <para>
            <citerefentry><refentrytitle>glGetQueryObject</refentrytitle></citerefentry>,
            <citerefentry><refentrytitle>glIsQuery</refentrytitle></citerefentry>
        </para>
    </refsect1>
    <refsect1 xml:id="Copyright"><title>Copyright</title>
        <para>
            Copyright <trademark class="copyright"/> 2005 Addison-Wesley.
            Copyright <trademark class="copyright"/> 2010-2013 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>