Non-PBR Texturing
Non-PBR (Physically Based Rendering) texturing is a traditional approach to creating and applying textures in 3D graphics that does not adhere to physically accurate lighting models. It uses custom or artistic shading techniques, such as diffuse maps, specular maps, and normal maps, without the constraints of real-world material properties like metalness or roughness. This method is common in older games, stylized art, or projects where artistic control over lighting effects is prioritized over realism.
Developers should learn non-PBR texturing when working on stylized or cartoonish art styles, retro game projects, or when targeting older hardware that lacks PBR support. It's also useful for artists who want full creative control over how materials react to light without being bound by physical accuracy, such as in 2.5D games or certain animation pipelines. Understanding non-PBR helps in maintaining legacy projects or optimizing for performance in resource-constrained environments.