WebGLRenderingContext: attachShader() method
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Note: This feature is available in Web Workers.
The WebGLRenderingContext.attachShader() method of the WebGL API attaches either a fragment or
vertex WebGLShader
to a WebGLProgram
.
Syntax
js
attachShader(program, shader)
Parameters
program
-
A
WebGLProgram
. shader
-
A fragment or vertex
WebGLShader
.
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 `Could not compile WebGL program. \n\n${info}`;
}
Specifications
Specification |
---|
WebGL Specification # 5.14.9 |
Browser compatibility
BCD tables only load in the browser
See also
WebGLProgram
WebGLShader
WebGLRenderingContext.compileShader()
WebGLRenderingContext.createProgram()
WebGLRenderingContext.createShader()
WebGLRenderingContext.deleteProgram()
WebGLRenderingContext.deleteShader()
WebGLRenderingContext.detachShader()
WebGLRenderingContext.getAttachedShaders()
WebGLRenderingContext.getProgramParameter()
WebGLRenderingContext.getProgramInfoLog()
WebGLRenderingContext.getShaderParameter()
WebGLRenderingContext.getShaderPrecisionFormat()
WebGLRenderingContext.getShaderInfoLog()
WebGLRenderingContext.getShaderSource()
WebGLRenderingContext.isProgram()
WebGLRenderingContext.isShader()
WebGLRenderingContext.linkProgram()
WebGLRenderingContext.shaderSource()
WebGLRenderingContext.useProgram()
WebGLRenderingContext.validateProgram()