Most TVs and monitors render white at around 150-200 nit. As a result, real world lights intensities are magnitudes of order brighter than the brightest TV, even today. ![]() Then as rendering matured games started to use real world intensities for light and materials based on how real world lights emit and materials absorb and reflect light, but in order to do that properly, you need more steps than 256 to be able to represent those large light intensity values, thus the High Dynamic Ranges (HDR) term. Old games used to do it's light calculations in a Limited Dynamic Range of about 256 light intensity steps. HDR, engine doing light calculations resembling real world values and then tonemapping it to the displays capabilities: ![]() ![]() Click to expand.It can be a bit of a confusing term as it tend to be used in two separate ways.
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |