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13.5. Only use trilinear filtering if necessary

Trilinear filtering is useful to avoid artifacts on large flat surfaces that extend away from the viewer. For example floors, walls and airport runways.

Trilinear filtering has a large bandwidth cost, so avoid using it unless it makes a significant visual difference.

Trilinear filtering is likely to have very little visual impact if your application runs on a small screen. If this is the case consider if it is worth the extra computations and bandwidth.

Note

If your application is bandwidth bound, disabling trilinear filtering is a useful performance-quality trade-off.

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