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<?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="glUniform">
<refmeta>
<refentrytitle>glUniform</refentrytitle>
<manvolnum>3G</manvolnum>
</refmeta>
<refnamediv>
<refdescriptor>glUniform</refdescriptor>
<refname>glUniform1f</refname>
<refname>glUniform2f</refname>
<refname>glUniform3f</refname>
<refname>glUniform4f</refname>
<refname>glUniform1i</refname>
<refname>glUniform2i</refname>
<refname>glUniform3i</refname>
<refname>glUniform4i</refname>
<refname>glUniform1ui</refname>
<refname>glUniform2ui</refname>
<refname>glUniform3ui</refname>
<refname>glUniform4ui</refname>
<refname>glUniform1fv</refname>
<refname>glUniform2fv</refname>
<refname>glUniform3fv</refname>
<refname>glUniform4fv</refname>
<refname>glUniform1iv</refname>
<refname>glUniform2iv</refname>
<refname>glUniform3iv</refname>
<refname>glUniform4iv</refname>
<refname>glUniform1uiv</refname>
<refname>glUniform2uiv</refname>
<refname>glUniform3uiv</refname>
<refname>glUniform4uiv</refname>
<refname>glUniformMatrix2fv</refname>
<refname>glUniformMatrix3fv</refname>
<refname>glUniformMatrix4fv</refname>
<refname>glUniformMatrix2x3fv</refname>
<refname>glUniformMatrix3x2fv</refname>
<refname>glUniformMatrix2x4fv</refname>
<refname>glUniformMatrix4x2fv</refname>
<refname>glUniformMatrix3x4fv</refname>
<refname>glUniformMatrix4x3fv</refname>
<refpurpose>Specify the value of a uniform variable for the current program object</refpurpose>
</refnamediv>
<refsynopsisdiv><title>C Specification</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>glUniform1f</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLfloat <parameter>v0</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform2f</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLfloat <parameter>v0</parameter></paramdef>
<paramdef>GLfloat <parameter>v1</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform3f</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLfloat <parameter>v0</parameter></paramdef>
<paramdef>GLfloat <parameter>v1</parameter></paramdef>
<paramdef>GLfloat <parameter>v2</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform4f</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLfloat <parameter>v0</parameter></paramdef>
<paramdef>GLfloat <parameter>v1</parameter></paramdef>
<paramdef>GLfloat <parameter>v2</parameter></paramdef>
<paramdef>GLfloat <parameter>v3</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform1i</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLint <parameter>v0</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform2i</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLint <parameter>v0</parameter></paramdef>
<paramdef>GLint <parameter>v1</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform3i</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLint <parameter>v0</parameter></paramdef>
<paramdef>GLint <parameter>v1</parameter></paramdef>
<paramdef>GLint <parameter>v2</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform4i</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLint <parameter>v0</parameter></paramdef>
<paramdef>GLint <parameter>v1</parameter></paramdef>
<paramdef>GLint <parameter>v2</parameter></paramdef>
<paramdef>GLint <parameter>v3</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform1ui</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLuint <parameter>v0</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform2ui</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLuint <parameter>v0</parameter></paramdef>
<paramdef>GLuint <parameter>v1</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform3ui</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLuint <parameter>v0</parameter></paramdef>
<paramdef>GLuint <parameter>v1</parameter></paramdef>
<paramdef>GLuint <parameter>v2</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform4ui</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLuint <parameter>v0</parameter></paramdef>
<paramdef>GLuint <parameter>v1</parameter></paramdef>
<paramdef>GLuint <parameter>v2</parameter></paramdef>
<paramdef>GLuint <parameter>v3</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 id="parameters"><title>Parameters</title>
<variablelist>
<varlistentry>
<term><parameter>location</parameter></term>
<listitem>
<para>Specifies the location of the uniform variable
to be modified.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<parameter>v0</parameter>,
<parameter>v1</parameter>,
<parameter>v2</parameter>,
<parameter>v3</parameter>
</term>
<listitem>
<para>Specifies the new values to be used for the
specified uniform variable.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsynopsisdiv><title>C Specification</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>glUniform1fv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>const GLfloat *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform2fv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>const GLfloat *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform3fv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>const GLfloat *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform4fv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>const GLfloat *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform1iv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>const GLint *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform2iv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>const GLint *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform3iv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>const GLint *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform4iv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>const GLint *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform1uiv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>const GLuint *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform2uiv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>const GLuint *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform3uiv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>const GLuint *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniform4uiv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>const GLuint *<parameter>value</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 id="parameters2"><title>Parameters</title>
<variablelist>
<varlistentry>
<term><parameter>location</parameter></term>
<listitem>
<para>Specifies the location of the uniform value to
be modified.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>count</parameter></term>
<listitem>
<para>Specifies the number of elements that are to
be modified. This should be 1 if the targeted
uniform variable is not an array, and 1 or more if it is
an array.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>value</parameter></term>
<listitem>
<para>Specifies a pointer to an array of
<parameter>count</parameter> values that will be
used to update the specified uniform
variable.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsynopsisdiv><title>C Specification</title>
<funcsynopsis>
<funcprototype>
<funcdef>void <function>glUniformMatrix2fv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>GLboolean <parameter>transpose</parameter></paramdef>
<paramdef>const GLfloat *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniformMatrix3fv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>GLboolean <parameter>transpose</parameter></paramdef>
<paramdef>const GLfloat *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniformMatrix4fv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>GLboolean <parameter>transpose</parameter></paramdef>
<paramdef>const GLfloat *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniformMatrix2x3fv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>GLboolean <parameter>transpose</parameter></paramdef>
<paramdef>const GLfloat *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniformMatrix3x2fv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>GLboolean <parameter>transpose</parameter></paramdef>
<paramdef>const GLfloat *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniformMatrix2x4fv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>GLboolean <parameter>transpose</parameter></paramdef>
<paramdef>const GLfloat *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniformMatrix4x2fv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>GLboolean <parameter>transpose</parameter></paramdef>
<paramdef>const GLfloat *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniformMatrix3x4fv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>GLboolean <parameter>transpose</parameter></paramdef>
<paramdef>const GLfloat *<parameter>value</parameter></paramdef>
</funcprototype>
<funcprototype>
<funcdef>void <function>glUniformMatrix4x3fv</function></funcdef>
<paramdef>GLint <parameter>location</parameter></paramdef>
<paramdef>GLsizei <parameter>count</parameter></paramdef>
<paramdef>GLboolean <parameter>transpose</parameter></paramdef>
<paramdef>const GLfloat *<parameter>value</parameter></paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 id="parameters3"><title>Parameters</title>
<variablelist>
<varlistentry>
<term><parameter>location</parameter></term>
<listitem>
<para>Specifies the location of the uniform value to
be modified.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>count</parameter></term>
<listitem>
<para>Specifies the number of matrices that are to
be modified. This should be 1 if the targeted
uniform variable is not an array of matrices, and 1 or more if it is
an array of matrices.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>transpose</parameter></term>
<listitem>
<para>Specifies whether to transpose the matrix as
the values are loaded into the uniform
variable.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>value</parameter></term>
<listitem>
<para>Specifies a pointer to an array of
<parameter>count</parameter> values that will be
used to update the specified uniform
variable.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 id="description"><title>Description</title>
<para><function>glUniform</function> modifies the value of a
uniform variable or a uniform variable array. The location of
the uniform variable to be modified is specified by
<parameter>location</parameter>, which should be a value
returned by
<citerefentry><refentrytitle>glGetUniformLocation</refentrytitle></citerefentry>.
<function>glUniform</function> operates on the program object
that was made part of current state by calling
<citerefentry><refentrytitle>glUseProgram</refentrytitle></citerefentry>.</para>
<para>The commands <function>glUniform{1|2|3|4}{f|i|ui}</function>
are used to change the value of the uniform variable specified
by <parameter>location</parameter> using the values passed as
arguments. The number specified in the command should match the
number of components in the data type of the specified uniform
variable (e.g., <function>1</function> for <code>float</code>, <code>int</code>, <code>unsigned int</code>, <code>bool</code>;
<function>2</function> for <code>vec2</code>, <code>ivec2</code>, <code>uvec2</code>, <code>bvec2</code>, etc.). The suffix
<function>f</function> indicates that floating-point values are
being passed; the suffix <function>i</function> indicates that
integer values are being passed; the suffix <function>ui</function> indicates that
unsigned integer values are being passed, and this type should also match
the data type of the specified uniform variable. The
<function>i</function> variants of this function should be used
to provide values for uniform variables defined as <code>int</code>, <code>ivec2</code>,
<code>ivec3</code>, <code>ivec4</code>, or arrays of these. The
<function>ui</function> variants of this function should be used
to provide values for uniform variables defined as <code>unsigned int</code>, <code>uvec2</code>,
<code>uvec3</code>, <code>uvec4</code>, or arrays of these. The <function>f</function>
variants should be used to provide values for uniform variables
of type <code>float</code>, <code>vec2</code>, <code>vec3</code>, <code>vec4</code>, or arrays of these. Either the
<function>i</function>, <function>ui</function> or <function>f</function> variants
may be used to provide values for uniform variables of type
<code>bool</code>, <code>bvec2</code>, <code>bvec3</code>, <code>bvec4</code>, or arrays of these. The uniform
variable will be set to <code>false</code> if the input value is 0 or 0.0f,
and it will be set to <code>true</code> otherwise.</para>
<para>All active uniform variables defined in a program object
are initialized to 0 when the program object is linked
successfully. They retain the values assigned to them by a call
to <function>glUniform </function> until the next successful
link operation occurs on the program object, when they are once
again initialized to 0.</para>
<para>The commands <function>glUniform{1|2|3|4}{f|i|ui}v</function>
can be used to modify a single uniform variable or a uniform
variable array. These commands pass a count and a pointer to the
values to be loaded into a uniform variable or a uniform
variable array. A count of 1 should be used if modifying the
value of a single uniform variable, and a count of 1 or greater
can be used to modify an entire array or part of an array. When
loading <emphasis>n</emphasis> elements starting at an arbitrary
position <emphasis>m</emphasis> in a uniform variable array,
elements <emphasis>m</emphasis> + <emphasis>n</emphasis> - 1 in
the array will be replaced with the new values. If
<parameter>m</parameter> + <parameter>n</parameter> - 1 is
larger than the size of the uniform variable array, values for
all array elements beyond the end of the array will be ignored.
The number specified in the name of the command indicates the
number of components for each element in
<parameter>value</parameter>, and it should match the number of
components in the data type of the specified uniform variable
(e.g., <function>1</function> for float, int, bool;
<function>2</function> for vec2, ivec2, bvec2, etc.). The data
type specified in the name of the command must match the data
type for the specified uniform variable as described previously
for <function>glUniform{1|2|3|4}{f|i|ui}</function>.</para>
<para>For uniform variable arrays, each element of the array is
considered to be of the type indicated in the name of the
command (e.g., <function>glUniform3f</function> or
<function>glUniform3fv</function> can be used to load a uniform
variable array of type vec3). The number of elements of the
uniform variable array to be modified is specified by
<parameter>count</parameter></para>
<para>The commands
<function>glUniformMatrix{2|3|4|2x3|3x2|2x4|4x2|3x4|4x3}fv</function>
are used to modify a matrix or an array of matrices. The numbers in the
command name are interpreted as the dimensionality of the matrix.
The number <function>2</function> indicates a 2 &#215; 2 matrix
(i.e., 4 values), the number <function>3</function> indicates a
3 &#215; 3 matrix (i.e., 9 values), and the number
<function>4</function> indicates a 4 &#215; 4 matrix (i.e., 16
values). Non-square matrix dimensionality is explicit, with the first
number representing the number of columns and the second number
representing the number of rows. For example,
<function>2x4</function> indicates a 2 &#215; 4 matrix with 2 columns
and 4 rows (i.e., 8 values).
If <parameter>transpose</parameter> is
<constant>GL_FALSE</constant>, each matrix is assumed to be
supplied in column major order. If
<parameter>transpose</parameter> is
<constant>GL_TRUE</constant>, each matrix is assumed to be
supplied in row major order. The <parameter>count</parameter>
argument indicates the number of matrices to be passed. A count
of 1 should be used if modifying the value of a single matrix,
and a count greater than 1 can be used to modify an array of
matrices.</para>
</refsect1>
<refsect1 id="notes"><title>Notes</title>
<para><function>glUniform1i</function> and
<function>glUniform1iv</function> are the only two functions
that may be used to load uniform variables defined as sampler
types. Loading samplers with any other function will result in a
<constant>GL_INVALID_OPERATION</constant> error.</para>
<para>If <parameter>count</parameter> is greater than 1 and the
indicated uniform variable is not an array, a
<constant>GL_INVALID_OPERATION</constant> error is generated and the
specified uniform variable will remain unchanged.</para>
<para>Other than the preceding exceptions, if the type and size
of the uniform variable as defined in the shader do not match
the type and size specified in the name of the command used to
load its value, a <constant>GL_INVALID_OPERATION</constant> error will
be generated and the specified uniform variable will remain
unchanged.</para>
<para>If <parameter>location</parameter> is a value other than
-1 and it does not represent a valid uniform variable location
in the current program object, an error will be generated, and
no changes will be made to the uniform variable storage of the
current program object. If <parameter>location</parameter> is
equal to -1, the data passed in will be silently ignored and the
specified uniform variable will not be changed.</para>
</refsect1>
<refsect1 id="errors"><title>Errors</title>
<para><constant>GL_INVALID_OPERATION</constant> is generated if there
is no current program object.</para>
<para><constant>GL_INVALID_OPERATION</constant> is generated if the
size of the uniform variable declared in the shader does not
match the size indicated by the <function>glUniform</function>
command.</para>
<para><constant>GL_INVALID_OPERATION</constant> is generated if one of
the signed or unsigned integer variants of this function is used to load a uniform
variable of type <code>float</code>, <code>vec2</code>, <code>vec3</code>, <code>vec4</code>, or an array of these,
or if one of the floating-point variants of this function is
used to load a uniform variable of type <code>int</code>, <code>ivec2</code>, <code>ivec3</code>,
<code>ivec4</code>, <code>unsigned int</code>, <code>uvec2</code>, <code>uvec3</code>,
<code>uvec4</code>, or an array of these.</para>
<para><constant>GL_INVALID_OPERATION</constant> is generated if one of
the signed integer variants of this function is used to load a uniform
variable of type <code>unsigned int</code>, <code>uvec2</code>, <code>uvec3</code>,
<code>uvec4</code>, or an array of these.</para>
<para><constant>GL_INVALID_OPERATION</constant> is generated if one of
the unsigned integer variants of this function is used to load a uniform
variable of type <code>int</code>, <code>ivec2</code>, <code>ivec3</code>,
<code>ivec4</code>, or an array of these.</para>
<para><constant>GL_INVALID_OPERATION</constant> is generated if
<parameter>location</parameter> is an invalid uniform location
for the current program object and
<parameter>location</parameter> is not equal to -1.</para>
<para><constant>GL_INVALID_VALUE</constant> is generated if
<parameter>count</parameter> is less than 0.</para>
<para><constant>GL_INVALID_OPERATION</constant> is generated if
<parameter>count</parameter> is greater than 1 and the indicated
uniform variable is not an array variable.</para>
<para><constant>GL_INVALID_OPERATION</constant> is generated if a
sampler is loaded using a command other than
<function>glUniform1i</function> and
<function>glUniform1iv</function>.</para>
</refsect1>
<refsect1 id="associatedgets"><title>Associated Gets</title>
<para><citerefentry><refentrytitle>glGet</refentrytitle></citerefentry>
with the argument <constant>GL_CURRENT_PROGRAM</constant></para>
<para><citerefentry><refentrytitle>glGetActiveUniform</refentrytitle></citerefentry>
with the handle of a program object and the index of an active uniform variable</para>
<para><citerefentry><refentrytitle>glGetUniform</refentrytitle></citerefentry>
with the handle of a program object and the location of a
uniform variable</para>
<para><citerefentry><refentrytitle>glGetUniformLocation</refentrytitle></citerefentry>
with the handle of a program object and the name of a uniform
variable</para>
</refsect1>
<refsect1 id="seealso"><title>See Also</title>
<para><citerefentry><refentrytitle>glLinkProgram</refentrytitle></citerefentry>,
<citerefentry><refentrytitle>glUseProgram</refentrytitle></citerefentry></para>
</refsect1>
<refsect1 id="Copyright"><title>Copyright</title>
<para>
Copyright <trademark class="copyright"></trademark> 2003-2005 3Dlabs Inc. Ltd.
Copyright <trademark class="copyright"></trademark> 2010 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.
<ulink url="http://opencontent.org/openpub/">http://opencontent.org/openpub/</ulink>.
</para>
</refsect1>
</refentry>
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