There's a good chance you will need to blow these images up to notice the difference, especially if you are a newcomer to ambient occlusion. Put simply, ambient occlusion is a game rendering realistic lighting based on the actual geometry in the room -- if a lighting source would be blocked, we wouldn't expect to see every inch of nooks and crannies. For a visual demonstration, you can take a look at this (thanks to website GamingScan ): It's the early part of 2019, which means GDC is right arou...