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CentOS 7.0 - man page for glgetfragdatalocation (centos section 3g)

GLGETFRAGDATALOCATIO(3G)			    OpenGL Manual			     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.
SEE ALSO
glCreateProgram(), glBindFragDataLocation()
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 GLGETFRAGDATALOCATIO(3G)


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