A variant of DirectX 12’s Sampler Feedback but tailored for Switch’s texture unit. Version 5515 allows a shader to request which mipmap levels were actually sampled, enabling texture streaming decisions without CPU readback.
: Allows "to-the-metal" programming, similar to how libgcm functioned on PlayStation consoles. nvn api version 5515 exclusive
The term attached to version 5515 is not marketing hyperbole; it implies technical restrictions. Unlike universal versions (e.g., 5500 or 5520), version 5515 is not backwards compatible or forward portable. It is locked to a specific set of hardware revisions and system software versions. A variant of DirectX 12’s Sampler Feedback but