This can be used to add or remove levels of detail dynamically from a single base mesh, create mathematical meshes based on a point (for complex particle systems) and other similar tasks.Įach resulting primitive gets scanline converted and each pixel the span covers gets passed through the This can add new points, take them away or move them as required. Geometry Shader - Takes each transformed primitive (triangle, etc) and can perform calculations on it. Can be used to work out complex **vertex lighting calcs as a setup for the next stage and/or warp the points around (wobble, scale, etc).Įach resulting primitive gets passed to the Vertex Shader - Takes a single point and can adjust it. DirectX 10 and OpenGL 3 introduced the Geometry Shader as a third type.
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