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Showing content from http://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/createProgram below:

WebGLRenderingContext: createProgram() method - Web APIs

WebGLRenderingContext: createProgram() method

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The WebGLRenderingContext.createProgram() method of the WebGL API creates and initializes a WebGLProgram object.

Syntax Parameters

None.

Return value

A WebGLProgram object that is a combination of two compiled WebGLShaders consisting of a vertex shader and a fragment shader (both written in GLSL). These are then linked into a usable program.

Examples Creating a WebGL program
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}`);
}

See WebGLShader for information on creating the vertexShader and fragmentShader in the above example.

Specifications Browser compatibility See also

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