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baryon

macrumors 68040
Original poster
Oct 3, 2009
3,903
2,972
2019 16 inch MacBook Pro with "Intel UHD Graphics 630 1536 MB" integrated graphics and "AMD Radeon Pro 5500M 8 GB" discreet graphics.

I usually only use discreet graphics (I turn off auto graphics switching) so I didn't notice this until now, but when I use integrated graphics, YouTube videos will be glitchy. The glitches look like little squares that fall vertically downwards from time to time.

I assume this has something to do with h.264 video decoding, which I believe is done by the GPU.

Here's a recording of the glitch:
I wonder if there is something wrong with my hardware, or what may be causing this?
 
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