While doing some post-processing research, I managed to come across this: http://iryoku.com/smaa/
It works extremely well on a sub-pixel level, better than any other type of AA shader I've seen.
And the best news is that it comes as a fully documented open-source project.
Has anyone seen a better looking, cost-efficient AA shader that works on a subpixel level like this one does?
An impressive, open-source AA shader
Author
Taken from their front page:
"Our method shows for the first time how to combine morphological antialiasing (MLAA) with additional multi/supersampling strategies (MSAA, SSAA) for accurate subpixel features, and how to couple it with temporal reprojection"
So SMAA is already a combination of those. Of course, it would probably be easier on the GPU/CPU to just use MSAA, but judging from the comparison charts in their PDF documentation, their method seems to produce even better results.
"Our method shows for the first time how to combine morphological antialiasing (MLAA) with additional multi/supersampling strategies (MSAA, SSAA) for accurate subpixel features, and how to couple it with temporal reprojection"
So SMAA is already a combination of those. Of course, it would probably be easier on the GPU/CPU to just use MSAA, but judging from the comparison charts in their PDF documentation, their method seems to produce even better results.
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