It's completely true. The term to google is "Parallax Occlusion Mapping," which was used for several extremely impressive (for the time) GPU demos in 2004. ED

It's completely true. The term to google is "Parallax Occlusion Mapping," which was used for several extremely impressive (for the time) GPU demos in 2004. EDIT: https://developer.amd.com/wordpress/media/2012/10/I3D2006-Tatarchuk-POM.pdf https://developer.amd.com/wordpress/media/2012/10/I3D2006-Ta...