WebGL2RenderingContext: getFragDataLocation() method
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.
The WebGL2RenderingContext.getFragDataLocation() method
of the WebGL 2 API returns the binding of
color numbers to user-defined varying out variables.
Syntax
js
getFragDataLocation(program, name)
Parameters
program-
A
WebGLProgramto query. name-
A string specifying the name of the user-defined varying out variable.
Return value
A GLint indicating the assigned color number binding, or -1
otherwise.
Examples
js
// program is a linked WebGLProgram
gl.getFragDataLocation(program, "fragColor");
Specifications
| Specification |
|---|
| WebGL 2.0 Specification # 3.7.7 |
Browser compatibility
BCD tables only load in the browser
See also
WebGLRenderingContext.createProgram()WebGLRenderingContext.deleteProgram()WebGLRenderingContext.isProgram()WebGLRenderingContext.linkProgram()WebGLRenderingContext.useProgram()WebGLRenderingContext.validateProgram()WebGLRenderingContext.getProgramParameter()WebGLRenderingContext.getProgramInfoLog()