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正义羊-JRJSheep

创建页面，内容为“'''DirectX 9''' is a version of 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-anima……”