glGetFragDataIndex - query the bindings of color indices to user-defined varying out variables
Contents
C Specification
GLintglGetFragDataIndex(GLuintprogram,constchar*name);
Copyright
Copyright © 2010-2014 Khronos Group
[FIXME: source] 11/18/2024 GLGETFRAGDATAINDEX(3G)
Description
glGetFragDataIndex returns the index of the fragment color to which the variable name was bound when the
program object program was last linked. If name is not a varying out variable of program, or if an error
occurs, -1 will be returned.
Errors
GL_INVALID_OPERATION is generated if program is not the name of a program object.
Name
glGetFragDataIndex - query the bindings of color indices to user-defined varying out variables
Notes
glGetFragDataIndex is available only if the GL version is 3.3 or greater.
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 index to query
See Also
glCreateProgram(), glBindFragDataLocation(), glBindFragDataLocationIndexed(), glGetFragDataLocation()
Version Support
┌────────────────────┬───────────────────────────────────────────────────────────────────────┐
│ │ OpenGLVersion │
├────────────────────┼─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┤
│ Function │ 2.0 │ 2.1 │ 3.0 │ 3.1 │ 3.2 │ 3.3 │ 4.0 │ 4.1 │ 4.2 │ 4.3 │ 4.4 │ 4.5 │
│ / │ │ │ │ │ │ │ │ │ │ │ │ │
│ Feature │ │ │ │ │ │ │ │ │ │ │ │ │
│ Name │ │ │ │ │ │ │ │ │ │ │ │ │
├────────────────────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┤
│ glGetFragDataIndex │ - │ - │ - │ - │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │ ✔ │
└────────────────────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┘
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