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Miloslav Ciz 2024-06-10 10:07:07 +02:00
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# SSAO
Screen space ambient occlusion (SSAO) is a [screen space](screen_space.md) technique used in 3D [computer graphics](graphics.md) for **[approximating](approximation.md)** [ambient occlusion](ambient_occlusion.md) (basically "dim shadows in corners", which itself is an approximation of true [global illumination](global_illumination.md)) in a way that's easy and not so expensive to implement to run in [real time](real_time.md). The effect however looks ugly many times and is often criticized, see e.g. an excellent article at https://nothings.org/gamedev/ssao/.
Screen space ambient occlusion (SSAO) is a [screen space](screen_space.md) technique used in 3D [computer graphics](graphics.md) for **[approximating](approximation.md)** [ambient occlusion](ambient_occlusion.md) (basically "dim, very soft shadows in corners", which itself is an approximation of true [global illumination](global_illumination.md)) in a way that's easy and not so expensive to implement to run in [real time](real_time.md). The effect is overly used in video games but it very often looks extremely ugly and is often criticized, see e.g. an excellent article at https://nothings.org/gamedev/ssao/.
{ 2023 report: SSAO still sucks. ~drummyfish }