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)