mirror of
https://github.com/Ryujinx/Opentk.git
synced 2024-12-25 17:55:31 +00:00
217 lines
11 KiB
XML
217 lines
11 KiB
XML
<!DOCTYPE refentry [ <!ENTITY % mathent SYSTEM "math.ent"> %mathent; ]>
|
|
|
|
<!-- Converted by db4-upgrade version 1.1 -->
|
|
|
|
<refentry xmlns="http://docbook.org/ns/docbook" version="5.0" xml:id="glGetProgramResourceIndex">
|
|
<info>
|
|
<copyright>
|
|
<year>2013</year>
|
|
<holder>Khronos Group</holder>
|
|
</copyright>
|
|
</info>
|
|
<refmeta>
|
|
<refentrytitle>glGetProgramResourceIndex</refentrytitle>
|
|
<manvolnum>3G</manvolnum>
|
|
</refmeta>
|
|
<refnamediv>
|
|
<refname>glGetProgramResourceIndex</refname>
|
|
<refpurpose>query the index of a named resource within a program</refpurpose>
|
|
</refnamediv>
|
|
<refsynopsisdiv><title>C Specification</title>
|
|
<funcsynopsis>
|
|
<funcprototype>
|
|
<funcdef>GLuint <function>glGetProgramResourceIndex</function></funcdef>
|
|
<paramdef>GLuint <parameter>program</parameter></paramdef>
|
|
<paramdef>GLenum <parameter>programInterface</parameter></paramdef>
|
|
<paramdef>const char * <parameter>name</parameter></paramdef>
|
|
</funcprototype>
|
|
</funcsynopsis>
|
|
</refsynopsisdiv>
|
|
<refsect1 xml:id="parameters"><title>Parameters</title>
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term><parameter>program</parameter></term>
|
|
<listitem>
|
|
<para>
|
|
The name of a program object whose resources to query.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><parameter>programInterface</parameter></term>
|
|
<listitem>
|
|
<para>
|
|
A token identifying the interface within <parameter>program</parameter> containing the resource named <parameter>name</parameter>.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><parameter>name</parameter></term>
|
|
<listitem>
|
|
<para>
|
|
The name of the resource to query the index of.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</refsect1>
|
|
<refsect1 xml:id="description"><title>Description</title>
|
|
<para>
|
|
<function>glGetProgramResourceIndex</function> returns the unsigned
|
|
integer index assigned to a resource named <parameter>name</parameter> in
|
|
the interface type <parameter>programInterface</parameter> of program object <parameter>program</parameter>.
|
|
</para>
|
|
<para>
|
|
<parameter>program</parameter> must be the name of an existing program object. <parameter>programInterface</parameter>
|
|
is the name of the interface within <parameter>program</parameter> which contains the resource named
|
|
<parameter>name</parameter>and must be one of the following
|
|
values:
|
|
</para>
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term><constant>GL_UNIFORM</constant></term>
|
|
<listitem>
|
|
<para>
|
|
The query is targeted at the set of active uniforms within <parameter>program</parameter>.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><constant>GL_UNIFORM_BLOCK</constant></term>
|
|
<listitem>
|
|
<para>
|
|
The query is targeted at the set of active uniform blocks within <parameter>program</parameter>.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><constant>GL_PROGRAM_INPUT</constant></term>
|
|
<listitem>
|
|
<para>
|
|
The query is targeted at the set of active input variables used by the first shader stage of <parameter>program</parameter>.
|
|
If <parameter>program</parameter> contains multiple shader stages then input variables from any stage other than the first
|
|
will not be enumerated.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><constant>GL_PROGRAM_OUTPUT</constant></term>
|
|
<listitem>
|
|
<para>
|
|
The query is targeted at the set of active output variables produced by the last shader stage of <parameter>program</parameter>.
|
|
If <parameter>program</parameter> contains multiple shader stages then output variables from any stage other than the last
|
|
will not be enumerated.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><constant>GL_VERTEX_SUBROUTINE</constant></term>
|
|
<term><constant>GL_TESS_CONTROL_SUBROUTINE</constant></term>
|
|
<term><constant>GL_TESS_EVALUATION_SUBROUTINE</constant></term>
|
|
<term><constant>GL_GEOMETRY_SUBROUTINE</constant></term>
|
|
<term><constant>GL_FRAGMENT_SUBROUTINE</constant></term>
|
|
<term><constant>GL_COMPUTE_SUBROUTINE</constant></term>
|
|
<listitem>
|
|
<para>
|
|
The query is targeted at the set of active subroutines for the vertex, tessellation control, tessellation evaluation,
|
|
geometry, fragment and compute shader stages of <parameter>program</parameter>, respectively.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><constant>GL_VERTEX_SUBROUTINE_UNIFORM</constant></term>
|
|
<term><constant>GL_TESS_CONTROL_SUBROUTINE_UNIFORM</constant></term>
|
|
<term><constant>GL_TESS_EVALUATION_SUBROUTINE_UNIFORM</constant></term>
|
|
<term><constant>GL_GEOMETRY_SUBROUTINE_UNIFORM</constant></term>
|
|
<term><constant>GL_FRAGMENT_SUBROUTINE_UNIFORM</constant></term>
|
|
<term><constant>GL_COMPUTE_SUBROUTINE_UNIFORM</constant></term>
|
|
<listitem>
|
|
<para>
|
|
The query is targeted at the set of active subroutine uniform variables used by the vertex, tessellation control, tessellation evaluation,
|
|
geometry, fragment and compute shader stages of <parameter>program</parameter>, respectively.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><constant>GL_TRANSFORM_FEEDBACK_VARYING</constant></term>
|
|
<listitem>
|
|
<para>
|
|
The query is targeted at the set of output variables from the last non-fragment stage of <parameter>program</parameter> that would be
|
|
captured if transform feedback were active.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><constant>GL_TRANSFORM_FEEDBACK_BUFFER</constant></term>
|
|
<listitem>
|
|
<para>
|
|
The query is targeted at the set of active buffer binding points to which output variables in the
|
|
<constant>GL_TRANSFORM_FEEDBACK_VARYING</constant> interface are written.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><constant>GL_BUFFER_VARIABLE</constant></term>
|
|
<listitem>
|
|
<para>
|
|
The query is targeted at the set of active buffer variables used by <parameter>program</parameter>.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
<varlistentry>
|
|
<term><constant>GL_SHADER_STORAGE_BLOCK</constant></term>
|
|
<listitem>
|
|
<para>
|
|
The query is targeted at the set of active shader storage blocks used by <parameter>program</parameter>.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
<para>
|
|
If <parameter>name</parameter> exactly matches the name string of one of the active resources
|
|
for <parameter>programInterface</parameter>, the index of the matched resource is returned.
|
|
Additionally, if <parameter>name</parameter> would exactly match the name string of an active
|
|
resource if "[0]" were appended to <parameter>name</parameter>, the index of the matched
|
|
resource is returned. Otherwise, <parameter>name</parameter> is considered not to be the name
|
|
of an active resource, and <constant>GL_INVALID_INDEX</constant> is returned.
|
|
</para>
|
|
<para>
|
|
For the interface <constant>GL_TRANSFORM_FEEDBACK_VARYING</constant>, the value <constant>GL_INVALID_INDEX</constant>
|
|
should be returned when querying the index assigned to the special names
|
|
<code>gl_NextBuffer</code>, <code>gl_SkipComponents1</code>, <code>gl_SkipComponents2</code>,
|
|
<code>gl_SkipComponents3</code>, or <code>gl_SkipComponents4</code>.
|
|
</para>
|
|
</refsect1>
|
|
<refsect1 xml:id="errors"><title>Errors</title>
|
|
<para>
|
|
<constant>GL_INVALID_ENUM</constant> is generated if <parameter>programInterface</parameter>
|
|
is not one of the accepted interface types.
|
|
</para>
|
|
<para>
|
|
<constant>GL_INVALID_ENUM</constant> is generated if <parameter>programInterface</parameter> is
|
|
<constant>GL_ATOMIC_COUNTER_BUFFER</constant> or <constant>GL_TRANSFORM_FEEDBACK_BUFFER</constant>, since active atomic
|
|
counter and transform feedback buffer resources are not assigned name strings.
|
|
</para>
|
|
<para>
|
|
Although not an error, <constant>GL_INVALID_INDEX</constant> is returned if <parameter>name</parameter>
|
|
is not the name of a resource within the interface identified by <parameter>programInterface</parameter>.
|
|
</para>
|
|
</refsect1>
|
|
<refsect1 xml:id="seealso"><title>See Also</title>
|
|
<para>
|
|
<citerefentry><refentrytitle>glGetProgramResourceName</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glGetGetProgramResource</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glGetProgramResourceLocation</refentrytitle></citerefentry>,
|
|
<citerefentry><refentrytitle>glGetProgramResourceLocationIndex</refentrytitle></citerefentry>.
|
|
</para>
|
|
</refsect1>
|
|
<refsect1 xml:id="Copyright"><title>Copyright</title>
|
|
<para>
|
|
Copyright <trademark class="copyright"/> 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>
|