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kkapsner / CanvasBlocker

A Firefox extension to protect from being fingerprinted.
https://canvasblocker.kkapsner.de
Mozilla Public License 2.0
1.12k stars 84 forks source link

CanvasBlocker breaks Tinkercad and causes possible GPU driver issues #680

Closed Blarnix closed 4 months ago

Blarnix commented 7 months ago

Description

Using TinkerCad's 3D editor to design an object, CanvasBlocker seems to cause performance issues in the website, as the FPS of the editor drops significantly, stutters, and causes my other windows and wallpaper on my PC to flicker. Disabling it for the site caused it to run perfectly once more. Possibly related to AMD cards and MSI afterburner, but testing did not change anything. ## Expected Behaviour It should run smoothly with minimal interruption, as functionality should be preferred over blocking in this specific case. ## Steps to Reproduce (for bugs) https://www.tinkercad.com/ 1. create a fresh Firefox profile 2. Open TinkerCad 3. Import or create new object 4. Move around the editor and notice the stuttering/fps drops. ## Context Just trying to edit an object in TinkerCad and it is very difficult to work on. Yes. ## Your Environment

Your Settings

{
    "logLevel": 1,
    "urlSettings": [],
    "hiddenSettings": {},
    "expandStatus": {},
    "displayHiddenSettings": true,
    "whiteList": "octopi.local, 192.168.86.54, octopi, tinkercad.com, 192.168.86.26, localhost",
    "sessionWhiteList": "",
    "blackList": "",
    "blockMode": "fake",
    "protectedCanvasPart": "readout",
    "minFakeSize": 1,
    "maxFakeSize": 0,
    "rng": "nonPersistent",
    "protectedAPIFeatures": {},
    "useCanvasCache": true,
    "ignoreFrequentColors": 0,
    "minColors": 0,
    "fakeAlphaChannel": false,
    "webGLVendor": "",
    "webGLRenderer": "",
    "webGLUnmaskedVendor": "",
    "webGLUnmaskedRenderer": "",
    "persistentRndStorage": "",
    "persistentIncognitoRndStorage": "",
    "storePersistentRnd": false,
    "persistentRndClearIntervalValue": 0,
    "persistentRndClearIntervalUnit": "days",
    "lastPersistentRndClearing": 1703612357375,
    "sharePersistentRndBetweenDomains": false,
    "askOnlyOnce": "individual",
    "askDenyMode": "block",
    "showCanvasWhileAsking": true,
    "showNotifications": true,
    "highlightPageAction": "color",
    "highlightBrowserAction": "color",
    "displayBadge": true,
    "storeNotificationData": false,
    "storeImageForInspection": false,
    "ignoreList": "",
    "ignoredAPIs": {},
    "showCallingFile": false,
    "showCompleteCallingStack": false,
    "enableStackList": false,
    "stackList": "",
    "protectAudio": true,
    "audioFakeRate": "100",
    "audioNoiseLevel": "minimal",
    "useAudioCache": true,
    "audioUseFixedIndices": true,
    "audioFixedIndices": "16",
    "historyLengthThreshold": 2,
    "protectWindow": false,
    "allowWindowNameInFrames": false,
    "protectDOMRect": true,
    "domRectIntegerFactor": 4,
    "protectSVG": true,
    "protectTextMetrics": true,
    "blockDataURLs": true,
    "protectNavigator": false,
    "navigatorDetails": {},
    "protectScreen": true,
    "screenSize": "",
    "fakeMinimalScreenSize": true,
    "displayAdvancedSettings": true,
    "displayDescriptions": true,
    "theme": "dark",
    "dontShowOptionsOnUpdate": false,
    "disruptSessionOnUpdate": false,
    "updatePending": false,
    "isStillDefault": false,
    "storageVersion": 1
}
kkapsner commented 4 months ago

Hm... framerates seem fine for me (Laptop with integrated graphics).

I think the only solution for you is to whitelist this page for the canvas API: image