GitHUB has been releasing source code for GameWorks libraries on GitHUB since 2015. At GDC it was announced that source code for HairWorks
NVIDIA HBAO+ is a technology used for dozens of games such as Tom Clancy’s The Division, Rise of the Tomb Raider, Fallout 4, Assassin’s Creed Syndicate, Tom Clancy’s Rainbow Six Siege, The Witcher 3: Wild Hunt, World of WarCraft: Warlord of Draenor, Call of Duty: Ghosts and many others. Developers can simply integrate HBAO+ into any major game engine. Some of the games built with HBAO+ can be found here.
NVIDIA’s HBAO+ is the most advanced form of Screen Space Ambient Occlusion, providing significantly higher quality and less visual artifacts, for less cost in terms of performance. HBAO+ adds realistic Ambient Occlusion shadowing around objects and surfaces, with higher visual fidelity compared to previous real-time AO techniques. HBAO+ adds to the shadows, which adds definition to items in a scene, dramatically enhancing the image quality. HBAO+ is a super-efficient method of modelling occlusion shadows and HBAO+ will work on NVIDIA GPUs and competitor’s GPUs.
Here is the list of source code for GameWorks libraries available on GitHUB:
WaveWorks is said to be available on GitHUB soon.
Source: GitHUB