Software vertex processing capabilities are fixed and cannot be queried at run time.

软件顶点处理能力在运行时时固定的，无法查询。

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Graphics CARDS without hardware vertex processing, common on cheaper laptops, do not appear to work.

显卡如果不具有硬件顶点处理能力(便宜的笔记本电脑通常安装这样的显卡)，就不能正常工作。

youdao

The only requirement is that vertex buffers used for software vertex processing must be allocated in system memory.

唯一的要求是用于软件顶点处理的顶点缓存必须在系统内存中分配。

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