图形学书籍 Real-Time Rendering 3.7 The Geometry Shader 几何着色器(根据谷歌翻译修改)
3.7TheGeometryShader几何着色器Thegeometryshadercanturnprimitivesintootherprimitives,somethingthetessellationstagecannotdo.Forexample,atrianglemeshcouldbetransformedtoawireframeviewbyhavingeachtrianglecreat