10 Graphics Technologies That Will Push The Visuals On PS4 And Xbox 720

6. Irradiance Volume

Lighting has come on like no other graphical effect in the past generation, but Irradiance Volume is the next step in lighting realism. IV is where light sources refract off of coloured objects, altering the colour of the light source. It's also necessary in rendering multiple lights sources crossing over and lighting the same areas. It might not sound essential, but it's the extra touches that will define next generation visuals.