trusty (3) glGetFragDataIndex.3G.gz

Provided by: opengl-4-man-doc_1.0~svn22917-1_all bug

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 © 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