Glossary ======== .. glossary:: :sorted: MSAA Multi-Sampled Anti-Aliasing. A basic anti-aliasing technique that takes multiple samples of the depth buffer, and uses this information to smooth the edges of polygons. TCL Transform, Clipping, & Lighting. The three stages of preparation in a rasterizing pipeline prior to the actual rasterization of vertices into fragments. NPOT Non-power-of-two. Usually applied to textures which have at least one dimension which is not a power of two. LOD Level of Detail. Also spelled "LoD." The value that determines when the switches between mipmaps occur during texture sampling. GLSL GL Shading Language. The official, common high-level shader language used in GL 2.0 and above.