glGetFragDataLocation — query the bindings of color numbers to user-defined varying out variables
|const char * name|
The name of the program containing varying out variable whose binding to query
The name of the user-defined varying out variable whose binding to query
glGetFragDataLocation retrieves the assigned color number binding for the user-defined varying out variable
name for 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.
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/.