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ALT-TAB increasing fps with Vsync on.
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Description

FPS is drastically increased when Alt-tabbing out and going back into the game. This is only happening when v sync is on and full screen mode is enabled.

This is the reason for a lot of the 'FPS drop when firing threads.'

Details

Severity
None
Resolution
Open
Reproducibility
N/A
Operating System
Windows 10 x64
Operating System Version
64 bit
Category
General
Steps To Reproduce
  1. Go to a high particle emitter. e.g. spray a zoomed weapon into a smoke grenade. Measure fps.
  1. Alt-tab out, then come back into the game and do the same again. The FPS will be MUCH higher. At the very least 10fps+ for me on a 980 / 6700k.

Event Timeline

smp1991 created this task.Mar 8 2017, 8:27 AM