This shader adds temporal compositing capability to traditional SMAA, making SMAA able to counteract shimmering during motion and increasing its overall ability to fix aliasing. Much like early-generation game engine TAA, TSMAA causes some ghosting and occasional slight flickering in exchange for the improvements. The strength of the temporal compositing blend is configurable, and can be toggled on and off to see the difference it makes to the effect.
Find it here:
github.com/lordbean-git/reshade-shaders
Note: I made an early attempt at a temporal SMAA shader a couple of years back, which still exists in the Deprecated folder of the repository. TSMAA2.fx is the shader to use (the original one is not as effective and does not perform as well).
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