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Mouse input lag/delay/sluggishness with Hardware Antialiasing
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Description

Hardware Antialiasing adds a noticable delay to mouse movement and a feeling of sluggishness. With it off, there is a difference in responsiveness when moving your mouse (severely noticable when moving mouse rapidly) and there is less/no feeling of sluggishness.

At face value, the higher the setting, the more intense the delay. This, specifically, may be a placebo effect.

To test if this is attributed to other settings, I did the following:

  1. Set preset quality to Poor, apply.
  2. Enabled all settings to Extreme one by one, starting from top to bottom.
  3. Move my mouse rapidly during each and every set to Extreme, to test for input lag.
  4. Enable Hardware Acceleration
  5. Move my mouse rapidly, I now notice a gameplay affecting input lag.

Details

Severity
Minor
Resolution
Open
Reproducibility
Always
Operating System
Windows 10 x64
Operating System Version
1909 Build 18363.778
Category
Controls
Steps To Reproduce

Game is in fullscreen.
Disable hardware antialiasing to get a feel for the mouse movement without it enabled.
Enable Hardware Antialiasing to the highest level.

  • There is a noticable delay in mouse input from your mouse to the screen. The higher the level, the stronger the effect (unless placebo).

To test if this is attributed to other settings, I did the following:

  1. Set preset quality to Poor, apply.
  2. Enabled all settings to Extreme one by one, starting from top to bottom.
  3. Move my mouse rapidly during each and every set to Extreme, to test for input lag.
  4. Enable Hardware Acceleration
  5. Move my mouse rapidly, I now notice a gameplay affecting input lag.
Additional Information

The higher the detail/level set of Hardware Antialiasing, the higher the effect. This may be placebo.
Foliage Smoothing does not have an effect on the input lag.

Setting all settings to low using the preset, then to extreme with Hardware Antialiasing turned off shows no difference in input lag, meaning this is not tied to other settings.

Event Timeline

Heug0 created this task.May 19 2020, 5:20 AM