The method through which this is achieved varies though. The goal of anti-aliasing is to remove as much noticeable shimmer, especially from defined edges, as possible. How Anti-Aliasing Works Image-Source: Wikipedia This inherently-geometric manner of rendering results in inherently-geometric artifacts, like visible “stairstepping” on finer details and an appearance of “shimmering” when in motion. The main reason aliasing happens at all is because ultimately, your final in-game resolution is an assembly of a bunch of squares (pixels) slapped together in order to mimic a true-to-life image as closely as possible. While some aliasing is still present, the image as a whole is made much cleaner by the addition of AA- especially in motion.
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Older, more polygonal titles aren’t as prone to visible aliasing as a game made with today’s detail density.Ī screenshot of Elden Ring running at 720p with anti-aliasing set to “High”. Notice the rough, pixelated look of the image, especially where foliage and hair are present.Īs games increase in raw fidelity, aliasing can become a lot more noticeable in places where it wasn’t before, including on particularly detailed surfaces and foliage. Aliasing manifests as a direct result of the source image being too low-resolution to properly reproduce fine details like this, and oftentimes it will be present even when running at full, native resolution, especially on 1080p, 720p, and other common display resolutions.Ī screenshot of Elden Ring running at 720p without anti-aliasing enabled. The most common culprits of aliasing include things like distant staircases, power lines, and especially fencing. EQAA: Enhanced Quality Anti-Aliasing (AMD)įirst up, think of “aliasing” as the presence of unwanted jagged edges and breakdown of fine detail at long distances in video games.CSAA: Coverage Sampling Anti-Aliasing (Nvidia).
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