I've been toying around with different post-process AA shaders recently and wondering if there's anything that's "free" - at least perceptibly.
So far, the most efficient AA shader I've seen on ReShade is
LXAA
, which is a superb FXAA fork developed by Germán Rebord. It costs my piss-poor Intel UHD 620 a mere 0.4 - 0.6 ms of frametime on default settings (while SweetFX's FXAA 3.9 eats up 4.5 - 5.2 ms of frametime).
There's also
Fast Adaptive AA
, which is developed by the very same person and costs me 0.8 - 1.2 ms. It's similar to LXAA quality-wise, but its handling of complex edges (like very small geometric shapes, checkerboard patterns, UI elements and text in general) leaves little-to-no artifacts than both FXAA 3.9 and LXAA.
FYI all tests were done on Unigine Heaven benchmark (medium settings, 720p) in DX11 mode.
...and yes, I know about Marty's amazing SMAA fork, which eats up a mere 2.1 ms - but only on DX11 and Vulkan workloads. From my testing LXAA and FAAA were just as fast on DX9 as they are on DX11 and Vulkan.
Do you know any other AA shaders that *do* work and cost less than 1ms on trash hardware?