It has been suggested that the PlayStation Shader Language is very similar to the HLSL standard in DirectX 12, with just subtle differences that could be eliminated mostly through preprocessor macros. Sony's own PlayStation Shader Language (PSSL) was introduced to the PlayStation 4. This can be a familiar way to work if the developers are used to platforms like Direct3D 12.Īnother key area of the game is its programmable pixel shaders. Most developers start with Gnmx, which wraps around Gnm, and in turn manages the more esoteric GPU details. The PlayStation 4 features two graphics APIs, a low-level API named Gnm and a high-level API named Gnmx. The native operating system of the PlayStation 4 is Orbis OS, which is a fork of FreeBSD version 9.0 which was released on January 12, 2012. The operating system is Orbis OS, based on FreeBSD 9. The PlayStation 4 system software is the updatable firmware and operating system of the PlayStation 4.
Monolithic with dynamically loadable modules
