query the bindings of color numbers to user-defined varying out variables
Signature
Parameters
| Variables | Description |
|---|---|
| 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.
See Also
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.
http://opencontent.org/openpub/
.