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 in Web Workers.
The WebGLRenderingContext.validateProgram() method of the WebGL API validates a WebGLProgram. It checks if it is successfully linked and if it can be used in the current WebGL state.
Syntax
js
validateProgram(program) Parameters
program-
A
WebGLProgramto validate.
Return value
None (undefined).
Examples
js
const program = gl.createProgram(); // Attach pre-existing shaders gl.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 |