WebGLRenderingContext.useProgram

The WebGLRenderingContext.useProgram() method of the WebGL API sets the specified WebGLProgram as part the current rendering state.

Syntax

void gl.useProgram(program);

Parameters

program

A WebGLProgram to use.

Return value

None.

Examples

var program = gl.createProgram();

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

gl.linkProgram(program);
gl.useProgram(program);

Specifications

Specification	Status	Comment
WebGL 1.0 The definition of 'useProgram' in that specification.	Recommendation	Initial definition.
OpenGL ES 2.0 The definition of 'glUseProgram' in that specification.	Standard	Man page of the OpenGL API.

Browser compatibility

See also

• WebGLRenderingContext.createProgram()
• WebGLRenderingContext.deleteProgram()
• WebGLRenderingContext.isProgram()
• WebGLRenderingContext.linkProgram()
• WebGLRenderingContext.validateProgram()
• WebGLRenderingContext.getProgramParameter()
• WebGLRenderingContext.getProgramInfoLog()