On some shaders (super sercet settings) my screen goes complety black, but minecraft is working in the background, i can hear my self breaking and placing blocks, and clicking on buttons to change to the next shader, then my screen returns back to normal.

What I expected to happen was...:
It will show that shader.

What actually happened was...:
My screen went black. But minecraft still works.

Steps to Reproduce:
1. ESC
2. click on options
3. click on super secret settings a couple times.

The pictures attached is when my screen was black.