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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

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
getAttribLocationChrome Full support 9Edge Full support 12Firefox Full support 4IE Full support 11Opera Full support 12Safari Full support 5.1WebView Android Full support YesChrome Android Full support 25Edge Mobile Full support YesFirefox Android Full support YesOpera Android Full support 12Safari iOS Full support 8.1Samsung Internet Android Full support Yes

Legend

Full support  
Full support

See also

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