Unity and UE4 can use Enlighten for GI as someone mentioned below. For voxel GI there is: http://www.sonicether.com/segi/ http://www.sonicether.com/segi/ htt

Unity and UE4 can use Enlighten for GI as someone mentioned below. For voxel GI there is: http://www.sonicether.com/segi/ http://www.sonicether.com/segi/ http://docs.cryengine.com/display/SDKDOC2/Voxel-Based+Global+Illumination http://docs.cryengine.com/display/SDKDOC2/Voxel-Based+Global... https://developer.nvidia.com/vxgi https://developer.nvidia.com/vxgi