WebGLRenderingContext: attachShader() method

Syntax

js

attachShader(program, shader)

Parameters

program: A WebGLProgram.
shader: A fragment or vertex WebGLShader.

Return value

None (undefined).

Examples

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

js

const 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)) { const info = gl.getProgramInfoLog(program); throw new Error(`Could not compile WebGL program. \n\n${info}`); }