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.
COPYRIGHT
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. m[blue]http://opencontent.org/openpub/m[].