WebGLRenderingContext: validateProgram() 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 inWeb Workers.
TheWebGLRenderingContext.validateProgram() method of theWebGL API validates aWebGLProgram. It checks if it is successfully linked and if it can beused in the current WebGL state.
Syntax
js
validateProgram(program)Parameters
programA
WebGLProgramto validate.
Return value
None (undefined).
Examples
js
const program = gl.createProgram();// Attach pre-existing shadersgl.attachShader(program, vertexShader);gl.attachShader(program, fragmentShader);gl.linkProgram(program);gl.validateProgram(program);if (!gl.getProgramParameter(program, gl.LINK_STATUS)) { const info = gl.getProgramInfoLog(program); throw new Error(`Could not compile WebGL program. \n\n${info}`);}gl.useProgram(program);Specifications
| Specification |
|---|
| WebGL Specification # 5.14.9 |