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Troubleshooting & Setup

Enabling WebGL & 3D Map in Google Chrome

ForensicBIM's interactive 3D georeferencing viewer requires WebGL hardware acceleration to render map tiles and 3D building models. If you encounter WebGL initialization errors in Chrome, follow the steps below.

⏳
Testing your browser's WebGL support...
Running quick hardware graphics probe.
1

Verify Hardware Acceleration in Chrome Settings

Chrome must have graphics acceleration enabled to communicate with your computer's GPU.

  1. Open chrome://settings/system in your Chrome address bar.
  2. Ensure "Use graphics acceleration when available" (or "Use hardware acceleration when available") is toggled ON.
  3. Click the Relaunch button that appears next to the toggle to restart Chrome.
chrome://settings/system
2

Fix "BindToCurrentSequence failed" & ANGLE (macOS)

On macOS, Chrome routes WebGL through its ANGLE graphics translator. If Chrome's GPU process experiences an IPC binding failure (e.g. after sleep or display unplugging), it disables WebGL with:

Error: Could not create a WebGL context ... ErrorMessage = BindToCurrentSequence failed: . GL_VENDOR = Disabled

Option A — Switch ANGLE Backend to Metal or OpenGL:

  1. Open chrome://flags/#use-angle in your Chrome address bar.
  2. Change "Choose ANGLE graphics backend" from Default to Metal (or OpenGL).
  3. Click Relaunch at the bottom of the window.
chrome://flags/#use-angle

Option B — Clear Corrupted GPU Shader Cache:

If Chrome's shader cache was corrupted, quit Chrome completely (Cmd + Q) and run this command in Terminal:

rm -rf ~/Library/Caches/Google/Chrome/Default/GPUCache

Option C — Enable "Override software rendering list":

If Chrome temporarily blacklisted your GPU driver:

  1. Open chrome://flags/#ignore-gpu-blocklist in Chrome.
  2. Set Override software rendering list to Enabled and relaunch.
chrome://flags/#ignore-gpu-blocklist
3

Check Extensions & Test in Incognito Mode

Privacy extensions, ad blockers, or fingerprint protection add-ons can block HTML5 Canvas and WebGL context calls.

Test the page in an Incognito window (Cmd + Shift + N on Mac or Ctrl + Shift + N on Windows):

  • If the 3D Map works in Incognito, an active Chrome extension is blocking WebGL. Disable extensions one by one in chrome://extensions to identify the cause.
4

Alternative: Use Safari, Firefox, or Edge

On macOS, Safari uses Apple's native Metal framework directly without Chrome's sandboxed ANGLE bridge, so the 3D Georeferenced Map runs smoothly out-of-the-box.

💡 Tip: If you need to view your model immediately, simply open your ForensicBIM link in Safari while configuring Chrome.
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