UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36

Example URL:
https://www.shadertoy.com/

Steps to reproduce the problem:
1. Browse to www.shadertoy.com.
2. See that every WebGL window crashes with "Shader error."

1. Browse to any shadertoy.com demo page.
2. See that WebGL capabilities are not detected.

What is the expected behavior?
Being able to see the WebGL demos.

What went wrong?
On the shadertoy.com home page, the small preview windows show "Shader error" and any demo page looks like it's unable to detect WebGL capabilities, telling me that I need a more recent browser.

Does it occur on multiple sites: N/A

Is it a problem with a plugin? No 

Did this work before? No 

Does this work in other browsers? Yes 

Chrome version: 52.0.2743.116  Channel: stable
OS Version: 10.0
Flash Version: Shockwave Flash 22.0 r0

My graphics card is an AMD Radeon HD 7700 mounted on an ASRock Z77 Extreme4 motherboard, with the latest auto-updated drivers.