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WebGLRenderingContext.attachShader()

The WebGLRenderingContext.attachShader() method of the WebGL API attaches either a fragment or vertex WebGLShader to a WebGLProgram.

Syntax

void gl.attachShader(program, shader);

Parameters

program
A WebGLProgram.
shader
A fragment or vertex WebGLShader.

Examples

The following code attaches pre-existing shaders to a WebGLProgram.

var program = gl.createProgram();

// Attach pre-existing shaders
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);

gl.linkProgram(program);

if ( !gl.getProgramParameter( program, gl.LINK_STATUS) ) {
  var info = gl.getProgramInfoLog(program);
  throw 'Could not compile WebGL program. \n\n' + info;
}

Specifications

Specification Status Comment
WebGL 1.0
The definition of 'attachShader' in that specification.
Recommendation Initial definition.
OpenGL ES 2.0
The definition of 'glAttachShader' in that specification.
Standard OpenGL man page.

Browser compatibility

FeatureChromeFirefoxEdgeInternet ExplorerOperaSafari
Basic Support94.01211125.1
FeatureAndroidChrome for AndroidEdge mobileFirefox for AndroidIE mobileOpera AndroidiOS Safari
Basic Support(Yes)25(Yes)(Yes)11128.1

See also

Document Tags and Contributors

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 Contributors to this page: fscholz, nmve, teoli, LiebeU, gregtatum
 Last updated by: fscholz,