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SSAO, SSAO with ComputeShaders, NVidia HBAO+


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Successfully implemented Nvidia hbao+, it slower than ssao in twice almost, but has better quality, see screenshots (final bluring disabled to compare performance only AO algorithms)
current ssao:

nvidia hbao+:

ssao took about 0.43 ms, hbao took about 0.76 ms, moreover I tried implement ssao with using ComputeShader (new stuff in DX11) and I got 0.36 ms for my ssao implementation and I think that it not final result, but quality will be the same as for current ssao.

Now I think - worth it spent some time to optimize ssao algorithm with ComputeShaders or not. Maybe I should remove ssao compeltely and use only Nvidia HBAO ?

for current moment I can swith algoritms in runtime via gui:

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