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。
Only one vertex processing flag may be set for a device at any one time.
一次只能为设备设置一个顶点处理标识。
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。
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。
CPU has too many vertices to process, for things that do vertex processing on the CPU. This could be skinned meshes, cloth simulation, particles etc.
CPU处理太多的顶点——针对CPU处理顶点的情况。这可能是蒙皮网格、衣服模拟、粒子等。
In addition, the following table lists the values that are set for members of the D3DCAPS9 structure for a device in software vertex processing mode.
此外，下表列出设备在软件顶点处理模式中需设置的D3DCAPS9结构的成员的值。
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。
If tessellation or geometry shaders are active, then a limited form of primitive assembly is executed before these Vertex Processing stages.
如果启用了细分或几何着色器，那么一个限制级的图元组装过程就会在那些顶点处理阶段之前执行。
If tessellation or geometry shaders are active, then a limited form of primitive assembly is executed before these Vertex Processing stages.
如果启用了细分或几何着色器，那么一个限制级的图元组装过程就会在那些顶点处理阶段之前执行。
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