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| '''DirectX 9''' is a version of [[Microsoft DirectX|DirectX]] that was introduced in December 2002. The most important change was the implementation of ''High Level Shading Language'' (HLSL) which made it easier for developers to create 3D graphics and effects. Previously, developers had to write shaders in a form of assembly language. Another new feature is an API which offers ''Patch-Meshes'', common ''Polygon-Meshes'' together with improved realtime-animation capabilities.
| | DirectX 9 是 2002 年 12 月推出的 [[Microsoft DirectX|DirectX]] 版本。最重要的变化是高级着色语言（''High Level Shading Language''，HLSL）的实现，这使开发人员可以更轻松地创建 3D 图形和效果。以前，开发人员必须以汇编语言的形式编写着色器。另一个新功能是一个 API，它提供 ''Patch-Meshes''、常见的 ''Polygon-Mesh'' 以及改进的实时动画功能。 |
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| ==Versions== | | ==Versions== |