Fullscreen videos drop frames intermittently with G-Sync and hardware acceleration

Fullscreen videos drop frames intermittently with G-Sync and hardware acceleration
How can this issue be reproduced?

  1. Enable G-Sync and hardware acceleration
  2. Play video from any site
  3. Enlarge view to fullscreen
  4. See intermittent frame drops. Video will play smoothly for a few seconds, then get choppy like a slideshow for a few seconds, and repeat this cycle consistently throughout the video

Expected result:
Frames should remain consistent throughout the video in fullscreen, not only when the video is windowed

Brave Version( check About Brave):
Version 1.12.114 Chromium: 84.0.4147.135 (Official Build) (64-bit)

Additional Information:

  • Other browsers work just fine
  • Running on a 2560x1440p 144hz monitor
  • I realize there is an existing ticket , but it was closed due to no response so I’d like to start the conversation again.

@DrProfSagi @alexgrist

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