AMD has announced their TressFX 4.1/Unreal Engine integration and TressFX 4.1/Radeon Cauldron framework implementation. The TressFX library is AMD’s hair/fur rendering and simulation technology. TressFX is designed to use the GPU to simulate and render high quality realistic hair and fur. New in TressFX 4.1 is source code for DirectX 12 and Vulkan.