RetroPie – Disabling RetroArch Bilinear Filtering

Symptom

Emulator graphics are blurry, even when running at the native resolution of your display.

Cause

RetroArch has hardware bilinear filtering enabled.

Solution

From a booted RetroPie:

  1. Select RetroPie in the game system selector menu.
  2. Select RetroArch
  3. Select Settings
  4. Select Video
  5. Set HW Bilinear Filtering to “OFF
  6. Go back to the main RetroArch menu.
  7. Select Configuration
  8. Set Save Configuration on Exit to “OFF
  9. Select Quit RetroArch
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