GLAPI/glGetFragDataLocation
| Core in version | 4.6 | |
|---|---|---|
| Core since version | 3.0 | |
glGetFragDataLocation: query the bindings of color numbers to user-defined varying out variables
Function Definition
GLint glGetFragDataLocation(GLuint program, const char * name);
- 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
glLinkProgram, glBindFragDataLocation, glBindFragDataLocationIndexed, glGetFragDataIndex, glGetProgramResource, glGetProgramResourceLocation
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/.