Fixed-Function Vertex Post-Processing

Atualizado em 2023/10/21
Tempos estimado de leitura: < 5 min

After pre-rasterization shader stages, the following fixed-function operations are applied to vertices
of the resulting primitives:

  • Flat shading (see Flat Shading).
  • Primitive clipping, including client-defined half-spaces (see Primitive Clipping).
  • Shader output attribute clipping (see Clipping Shader Outputs).
  • Perspective division on clip coordinates (see Coordinate Transformations).
  • Viewport mapping, including depth range scaling (see Controlling the Viewport).
  • Front face determination for polygon primitives (see Basic Polygon Rasterization).

Next, rasterization is performed on primitives as described in chapter Rasterization.

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