WebGLRenderingContext.getAttribLocation()

The WebGLRenderingContext.getAttribLocation() method of the WebGL API returns the location of an attribute variable in a given WebGLProgram.

Syntax

GLint gl.getAttribLocation(program, name);

Parameters

program
A WebGLProgram containing the attribute variable.
name
A DOMString specifying the name of the attribute variable whose location to get.

Return value

A GLint number indicating the location of the variable name if found. Returns -1 otherwise.

Examples

gl.getAttribLocation(program, 'vColor');

Specifications

Specification Status Comment
WebGL 1.0
The definition of 'getAttribLocation' in that specification.
Recommendation Initial definition.
OpenGL ES 2.0
The definition of 'glGetAttribLocation' in that specification.
Standard Main page of the OpenGL API.

Browser compatibility

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See also