WebGL2RenderingContext: getFragDataLocation() method
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
WebGLProgram
to 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
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See also
WebGLRenderingContext.createProgram()
WebGLRenderingContext.deleteProgram()
WebGLRenderingContext.isProgram()
WebGLRenderingContext.linkProgram()
WebGLRenderingContext.useProgram()
WebGLRenderingContext.validateProgram()
WebGLRenderingContext.getProgramParameter()
WebGLRenderingContext.getProgramInfoLog()