Three rendering related Nintendo patents were published yesterday in Japan.
JP7698754: A ray tracing method that allows per-object reflection control
JP7698755: A ray tracing method that ensures correct reflection near screen edges
JP7698753: A more performant shadow mapping technique
[Update] Another related patent, JP7851339, was published on 2025-08-12. It describes a method to render reflections for partially obscured objects.
[Originally posted on 2025-06-26 Pacific Time]
