D. 1 Cg 关键字列表

以下是Cg(NVIDIA C for graphics)保留字列表。标有星号的话是不区分大小写的。

除了 ??这个名单上的话，任何以两个的下划线作为前缀（例如，__ newType）的标识符被保留。注意，矩阵(matrix)和向量类型(vector types)（如half2x3或float4）不在该列表中，因为它们可以被用作标识符。不过，我们建议你把矩阵和向量类型的保留字，从而避免混淆

asm*              explicit           pixelfragment*       templateasm_fragment      extern             pixelshader*         texture*auto              FALSE              private              texture1Dbool              fixed              protected            texture2Dbreak             float*             public               texture3Dcase              for                register             textureCUBEcatch             friend             reinterpret_cast     textureRECTchar              get                return               thisclass             goto               row_major            throwcolumn_major      half               sampler              TRUEcompile           if                 sampler_state        tryconst             in                 sampler1D            typedefconst_cast        inline             sampler2D            typeidcontinue          inout              sampler3D            typenamedecl*             int                samplerCUBE          uniformdefault           interface          shared               uniondelete            long               short                unsigneddiscard           matrix*            signed               usingdo                mutable            sizeof               vector*double            namespace          static               vertexfragment*dword*            new                static_cast          vertexshader*dynamic_cast      operator           string*              virtualelse              out                struct               voidemit              packed             switch               volatileenum              pass*              technique*           while

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Cg关键字(keywords)