Tim Sweeney on New Tech
He also mentions these features will not make their way into an Unreal 1 or Unreal Tournament patch.The terrain code shown there is running on a GeForce2 on Direct3D at about 25 fps with over 100,000 triangles in view. It's still a work in progress and not fully optimized; the feature set will be targetted at the upcoming standards set by DirectX8/X-Box/NV20.
It's 100% hardware-accelerated, and doesn't support Glide or software rendering anymore. The engine's historical 3dfx centrism is over, guys! All new tech is focused on Direct3D, and will also support OpenGL.
[...]