High Definition Ambient Occlusion (HDAO)
High Definition Ambient Occlusion or HDAO is a new ambient occlusion technique we’ll see when AMD DirectX 11 graphics cards will be available. Both screenshots come from AMD DX11 SDK but I don’t know if HDAO is a driver feature (like ambient occlusion in ForceWare) or a post processing shader that exploits new functions. Without HDAO, the demo runs at around 188 FPS (2560×1600) and with HDAO the FPS drops under 20!
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