glGetFragDataLocation - query the bindings of color numbers to user-defined varying out variables

GLint glGetFragDataLocation(GLuint program, 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. 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.

GL_INVALID_OPERATION is generated if program is not the name of a program object.

OpenGL Version
Function / Feature Name 2.0 2.1 3.0 3.1 3.2 3.3 4.0 4.1 4.2 4.3 4.4 4.5
glGetFragDataLocation - -

glCreateProgram(), glBindFragDataLocation()

Copyright © 2010-2014 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.

Copyright © 2010-2014 Khronos Group

05/21/2022 [FIXME: source]