Software vertex processing provides a guaranteed set of vertex processing capabilities, including an unbounded number of lights and full support for programmable vertex shaders.

软件顶点处理提供可保证的顶点处理能力集，包括无限制的光源数量和对可编程的顶点着色器的完全支持。

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The programmable GPU permits developers to write vertex shaders and fragment shaders running on it, to replace the fixed function pipeline, and to employ custom rendering algorithms.

可编程图形处理器允许用户编写运行在其上的顶点着色程序与片断着色程序，取代内置的固定功能渲染流水线，实现定制的渲染算法。

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