glGetFragDataLocation.3G - Man Page
query the bindings of color numbers to user-defined varying out variables
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.
Version Support
| 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 | - | - | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
See Also
Copyright
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. http://opencontent.org/openpub/.
Copyright
Copyright © 2010-2014 Khronos Group
Referenced By
glBindFragDataLocation.3G(3), glBindFragDataLocationIndexed.3G(3), glGetFragDataIndex.3G(3).