The teleprompter on Trump’s right... the one in the line of fire ... is the one I notice being intact. Okay.... I see both and they both look the same, Fwiw.
FWIW and iirc-the glass is a pancake with an internal layer that the digital signal of the text sends across the material in the middle layer. The glass on either side is not bullet proof, but optically high quality. Again, this was 8 years ago iirc.