Disable WebGL API

Disables WebGL support, keeping only basic 2D canvas. That reduces potential exploits via OpenGL and broken drivers but can break many websites requiring OpenGL. Some most common ones are excluded.

Tính đến 05-02-2021. Xem phiên bản mới nhất.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

Bạn sẽ cần cài đặt một tiện ích mở rộng như Tampermonkey hoặc Violentmonkey để cài đặt kịch bản này.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        Disable WebGL API
// @description Disables WebGL support, keeping only basic 2D canvas. That reduces potential exploits via OpenGL and broken drivers but can break many websites requiring OpenGL. Some most common ones are excluded. 
// @namespace   disablewebglapi
// @author      k3abird
// @include     *
// @exclude     https://*.google.com/*
// @exclude     https://github.com/*
// @exclude     https://www.shadertoy.com/*
// @exclude     https://www.youtube.com/*
// @version     1.0
// @run-at      document-start
// ==/UserScript==
(function() {
    console.log("disable-webgl-api: will remove canvas and webGL support");

    const kb_canvas_getContext = HTMLCanvasElement.prototype.getContext;
    HTMLCanvasElement.prototype.getContext = function(name) {
        if (name == "webgl" || name == "experimental-webgl" || name == "webgl2") {
            console.log("disable-webgl-api: disabled "+name)
            return null;
        }
        console.log("disable-webgl-api: allowing context of type "+name)
        return kb_canvas_getContext.apply(this, arguments);
    }
})();