Also, the readme says it works only on x86, but what it really means is that, it works only with 32-bit apps (I'm on Windows 7 x64).
It means that this AA algorithm is pure CPU based (no GPU resources were used). FXAA is applied to a frame after it was formed by GPU (MLAA works similarly). The author provided DX9 library but basically it can work with every DX version.
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