It traces the light ray for the object behind that pixel before finally reaching the light source after hitting the object. NVIDIA’s consumer-grade ray tracing actually follows the light ray behind any given pixel on the screen. As you can probably guess, this requires a lot of computational power, which normal GPUs just don’t have. It goes on to trace the light ray’s path after it gets reflected by an object while taking into account the object’s reflectiveness until it finally reaches another light source.Īnimation companies use supercomputers and advanced software to do this effectively to render movie scenes. Traditionally, ray tracing establishes a light source and calculates each light ray emanating from that light source and how it affects the objects that it hits. While it’s certainly new for gaming, for other mediums of entertainment such as animated movies, ray tracing has been in use for a long time. This technology basically enables the graphics card to do real-time rendering of light rays. NVIDIA’s RTX is a label for their most recent cards that include ray tracing technology, and RTX itself stands for Ray Tracing Texel eXtreme. These were labeled the RTX series, which replaced NVIDIA’s prior GTX series graphics cards. Back in the fall of 2018, NVIDIA launched their first ever GPUs supporting real-time ray tracing under the Turing family microarchitecture.
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