Tessellation

Tessellation Core in version 4.6 Core since version 4.0 Core ARB extension ARB_tessellation_shader

OpenGL Rendering Pipeline Rendering Pipeline Overview Vertex Specification Vertex Rendering Primitive Vertex Processing Vertex Shader Tessellation Geometry Shader Vertex Post-Processing Transform Feedback Primitive Assembly Face Culling Rasterization Fragment Shader Per-Sample Processing Scissor Test Stencil Test Depth Test Blending Logical Operation Write Mask

Tessellation Shaders are two Shader stages, and a fixed-function stage, that is used to subdivide geometry efficiently.