SSAO uses a separable depth aware blur to improve performance #6870
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mvaligursky
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performance
willeastcott
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Aug 2, 2024
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Based on the fantastic performance investigation done here: #6684, thanks @querielo !
A large kernel blur is split into separable vertical & horizontal blur.
Only box filtering is currently supported, Gaussian filtering has not been added yet due to higher cost to get similar quality in SSAO case.
Performance data: