Put the summary of the bug you're having here

What I expected to happen was...:

I would be able to see snow through stained glass panes
What actually happened was...:

Snow wasn't appearing when I was looking through stained glass panes, but it was appearing when I looked through normal glass panes

Steps to Reproduce:
1. Have it snow
2. Place stained glass panes in front of your face
3. See that the snow is not appearing
4. Do the same but with regular glass panes. Snow appears through it