2D/3D LINE RENDERING USING 3D RASTERIZATION ALGORITHMS

摘要

This patent discloses a system and method to compile a set of display points that define a two dimensional representation of a straight line graphic object using three dimensional rasterization algorithms. In one embodiment, the three-dimensional (3D) graphics accelerator may receive data. Data that defines three vertices (x0, y0, K0), (x1, y1, K1), and (x2, y2, K2) of a triangle primitive. And attribute values ​​K2 = (K0 + K1) / 2, the coordinates (x0, y0), (x1, y1), and (x2, y2) is to form an isosceles triangle primitive. Coordinates (x0, y0), and (x1, y1) define a base of the isosceles triangle primitive. Wherein using three dimensional rasterization algorithms to obtain an isosceles triangle the base line the set of display points that define a two dimensional representation of a primitive is the isosceles triangle primitive may be rendered. ; Graphics Accelerator, 3D, 2D, rasterization algorithms, isosceles triangle