NAME

       glGetFragDataLocation - query the bindings of color numbers to user-defined varying out variables

C SPECIFICATION

       GLint glGetFragDataLocation(GLuint program, const char * name);

PARAMETERS

       program
           The name of the program containing varying out variable whose binding to query

       name
           The name of the user-defined varying out variable whose binding to query

DESCRIPTION

       glGetFragDataLocation retrieves the assigned color number binding for the user-defined varying out
       variable name for program program.  program must have previously been linked.  name must be a
       null-terminated string. If name is not the name of an active user-defined varying out fragment shader
       variable within program, -1 will be returned.

ERRORS

       GL_INVALID_OPERATION is generated if program is not the name of a program object.

VERSION SUPPORT

       ┌───────────────────────┬───────────────────────────────────────────────────────────────────────┐
       │                       │                OpenGL Version                                         │
       ├───────────────────────┼─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┤
       │ Function              │ 2.0 │ 2.1 │ 3.0 │ 3.1 │ 3.2 │ 3.3 │ 4.0 │ 4.1 │ 4.2 │ 4.3 │ 4.4 │ 4.5 │
       │ /                     │     │     │     │     │     │     │     │     │     │     │     │     │
       │ Feature               │     │     │     │     │     │     │     │     │     │     │     │     │
       │ Name                  │     │     │     │     │     │     │     │     │     │     │     │     │
       ├───────────────────────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┤
       │ glGetFragDataLocation │  -  │  -  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │  ✔  │
       └───────────────────────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┘

SEE ALSO

       glCreateProgram(), glBindFragDataLocation()

COPYRIGHT

       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.  http://opencontent.org/openpub/.

COPYRIGHT

       Copyright © 2010-2014 Khronos Group

[FIXME: source]                                    01/03/2018                           GLGETFRAGDATALOCATIO(3G)