How to Enable or Disable Image Sharpening on a per app basis. To set up image sharpening globally for all games, go to the NVIDIA Control Panel > Manage 3D Settings > Global Settings.Like the Freestyle filter, sharpness can be adjusted on a per-game basis, or you can apply it globally for all supported titles. This addition provides an easy one-click method of applying Image Sharpening globally to all DirectX 9, 10, 11, 12, Vulkan and OpenGL games. The Image Sharpening filter that was first released in NVIDIA Freestyle has now been added to the NVIDIA Control Panel.