GLGETFRAGDATALOCATIO(3G)

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 / Feature Name | 2.0 | 2.1 | 3.0 | 3.1 | 3.2 | 3.3 | 4.0 | 4.1 | 4.2 | 4.3 | 4.4 | 4.5 | 4.6
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. https://opencontent.org/openpub/.

COPYRIGHT
Copyright © 2010-2014 Khronos Group