Opentk/Source/Bind/Specifications/Docs/ES30/glRenderbufferStorageMultisample.xml
2014-03-28 20:06:55 +01:00

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<!DOCTYPE refentry [ <!ENTITY % mathent SYSTEM "math.ent"> %mathent; ]>
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<refentry xmlns="http://docbook.org/ns/docbook" version="5.0" xml:id="glRenderbufferStorageMultisample">
<info>
<copyright>
<year>2010-2014</year>
<holder>Khronos Group</holder>
</copyright>
</info>
<refmeta>
<refentrytitle>glRenderbufferStorageMultisample</refentrytitle>
<manvolnum>3G</manvolnum>
</refmeta>
<refnamediv>
<refname>glRenderbufferStorageMultisample</refname>
<refpurpose>establish data storage, format, dimensions and sample count of a renderbuffer object's image</refpurpose>
</refnamediv>
<refsynopsisdiv><title>C Specification</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>glRenderbufferStorageMultisample</function></funcdef>
<paramdef>GLenum <parameter>target</parameter></paramdef>
<paramdef>GLsizei <parameter>samples</parameter></paramdef>
<paramdef>GLenum <parameter>internalformat</parameter></paramdef>
<paramdef>GLsizei <parameter>width</parameter></paramdef>
<paramdef>GLsizei <parameter>height</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 xml:id="parameters"><title>Parameters</title>
<variablelist>
<varlistentry>
<term><parameter>target</parameter></term>
<listitem>
<para>
Specifies a binding to which the target of the allocation and must be <constant>GL_RENDERBUFFER</constant>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>samples</parameter></term>
<listitem>
<para>
Specifies the number of samples to be used for the renderbuffer object's storage.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>internalformat</parameter></term>
<listitem>
<para>
Specifies the internal format to use for the renderbuffer object's image.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>width</parameter></term>
<listitem>
<para>
Specifies the width of the renderbuffer, in pixels.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>height</parameter></term>
<listitem>
<para>
Specifies the height of the renderbuffer, in pixels.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 xml:id="description"><title>Description</title>
<para>
<function>glRenderbufferStorageMultisample</function> establishes the data storage, format, dimensions and number of
samples of a renderbuffer object's image.
</para>
<para>
The target of the operation, specified by <parameter>target</parameter> must be <constant>GL_RENDERBUFFER</constant>.
<parameter>internalformat</parameter> specifies the internal format to be used for the renderbuffer object's storage and
must be a color-renderable, depth-renderable, or stencil-renderable format, as shown in Table 1 below.
<parameter>width</parameter> and <parameter>height</parameter> are the dimensions, in pixels, of the renderbuffer.
Both <parameter>width</parameter> and <parameter>height</parameter> must be less than or equal to the value of
<constant>GL_MAX_RENDERBUFFER_SIZE</constant>. <parameter>samples</parameter> specifies the number of samples to be used
for the renderbuffer object's image. If <parameter>internalformat</parameter> is a signed or unsigned integer format then
<parameter>samples</parameter> must be 0. Otherwise, <parameter>samples</parameter> must be must be less than or equal to
the maximum number of samples supported for <parameter>internalformat</parameter>.
(see <citerefentry><refentrytitle>glGetInternalformativ</refentrytitle></citerefentry>).
</para>
<para>
Upon success, <function>glRenderbufferStorageMultisample</function> deletes any existing data store for the renderbuffer
image and the contents of the data store after calling <function>glRenderbufferStorageMultisample</function> are undefined.
</para>
<para>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="renderbufferformattable.xml"/>
</para>
</refsect1>
<refsect1 xml:id="notes"><title>Notes</title>
<para>
Since different implementations may support different sample counts for multisample
rendering, the actual number of samples allocated for the renderbuffer image is
implementation-dependent. However, the resulting value for <constant>GL_RENDERBUFFER_SAMPLES</constant>
is guaranteed to be greater than or equal to <parameter>samples</parameter> and no more than the
next larger sample count supported by the implementation.
</para>
</refsect1>
<refsect1 xml:id="errors"><title>Errors</title>
<para>
<constant>GL_INVALID_ENUM</constant> is generated if <parameter>target</parameter> is not <constant>GL_RENDERBUFFER</constant>.
</para>
<para>
<constant>GL_INVALID_VALUE</constant> is generated if <parameter>samples</parameter> is greater than the maximum number of samples
supported for <parameter>internalformat</parameter>.
</para>
<para>
<constant>GL_INVALID_ENUM</constant> is generated if <parameter>internalformat</parameter> is not a color-renderable, depth-renderable,
or stencil-renderable format.
</para>
<para>
<constant>GL_INVALID_OPERATION</constant> is generated if <parameter>internalformat</parameter> is a signed or unsigned integer format
and <parameter>samples</parameter> is greater than 0.
</para>
<para>
<constant>GL_INVALID_VALUE</constant> is generated if either of <parameter>width</parameter> or <parameter>height</parameter> is negative,
or greater than the value of <constant>GL_MAX_RENDERBUFFER_SIZE</constant>.
</para>
<para>
<constant>GL_OUT_OF_MEMORY</constant> is generated if the GL is unable to create a data store of the requested size.
</para>
</refsect1>
<refsect1 xml:id="versions">
<title>API Version Support</title>
<informaltable>
<tgroup cols="3" align="left">
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="apifunchead.xml" xpointer="xpointer(/*/*)"/>
<tbody>
<row>
<entry>glRenderbufferStorageMultisample</entry>
<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="apiversion.xml" xpointer="xpointer(/*/*[@role='es30']/*)"/>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 xml:id="seealso"><title>See Also</title>
<para>
<citerefentry><refentrytitle>glGenRenderbuffers</refentrytitle></citerefentry>,
<citerefentry><refentrytitle>glGetInternalformativ</refentrytitle></citerefentry>,
<citerefentry><refentrytitle>glBindRenderbuffer</refentrytitle></citerefentry>,
<citerefentry><refentrytitle>glRenderbufferStorage</refentrytitle></citerefentry>,
<citerefentry><refentrytitle>glFramebufferRenderbuffer</refentrytitle></citerefentry>,
<citerefentry><refentrytitle>glDeleteRenderbuffers</refentrytitle></citerefentry>
</para>
</refsect1>
<refsect1 xml:id="Copyright"><title>Copyright</title>
<para>
Copyright <trademark class="copyright"/> 2010-2014 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>