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.
validateProgram(program)programA WebGLProgram to validate.
None (undefined).
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);