Noisy Portals

[leandrooliveira]

Hi YAFU. Thanks for your answer. I agree with you, but I think, Portals will be more efficient in some cases. For example, take a look on the example scene test made by moony:

Blender 2.8 Cycles rendering with portals

Portals is definitely working in 2.8. I created a very difficult scene for a path tracer (a camera obscura). The only light in this scene is the environment HDRI that is leaking through the very small pinhole window on the right. This is the difference between portals and no portals - 500 samples: [untitled] [untitled2]