The filter for textures when the texture is larger than the screen space it is displayed in.
The default value is TAgkApplication.DefaultMagnificationFilter. You can use ifNearest, which will appear blocky, or ifLinear (default), which will look blurry. When the image matches the screen space exactly then both filters will look the same. When there is a slight difference, nearest tends to be sharper, but may flicker as it changes pixel choice.
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