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GLGETFRAGDATAINDEX(3G)			  OpenGL Manual 		   GLGETFRAGDATAINDEX(3G)

NAME
       glGetFragDataIndex - query the bindings of color indices to user-defined varying out
       variables

C SPECIFICATION
       GLint glGetFragDataIndex(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 index to query

DESCRIPTION
       glGetFragDataIndex returns the index of the fragment color to which the variable name was
       bound when the program object program was last linked. If name is not a varying out
       variable of program, or if an error occurs, -1 will be returned.

NOTES
       glGetFragDataIndex is available only if the GL version is 3.3 or greater.

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

SEE ALSO
       glCreateProgram(), glBindFragDataLocation(), glBindFragDataLocationIndexed(),
       glGetFragDataLocation()

COPYRIGHT
       Copyright (C) 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.
       http://opencontent.org/openpub/.

AUTHORS
       opengl.org

opengl.org				    06/10/2014			   GLGETFRAGDATAINDEX(3G)
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