保留标识符

除了下面列出的，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

Cg 关键字

下方是Cg(NVIDIA C for graphics)保留字列表，标有星号不区分大小写。

asm*              explicit           pixelfragment*       template

asm_fragment      extern             pixelshader*         texture*

auto              FALSE              private              texture1D

bool              fixed              protected            texture2D

break             float*             public               texture3D

case              for                register             textureCUBE

catch             friend             reinterpret_cast     textureRECT

char              get                return               this

class             goto               row_major            throw

column_major      half               sampler              TRUE

compile           if                 sampler_state        try

const             in                 sampler1D            typedef

const_cast        inline             sampler2D            typeid

continue          inout              sampler3D            typename

decl*             int                samplerCUBE          uniform

default           interface          shared               union

delete            long               short                unsigned

discard           matrix*            signed               using

do                mutable            sizeof               vector*

double            namespace          static               vertexfragment*

dword*            new                static_cast          vertexshader*

dynamic_cast      operator           string*              virtual

else              out                struct               void

emit              packed             switch               volatile

enum              pass*              technique*           while

说明

版权归 NVIDIA公司：http://http.developer.nvidia.com/CgTutorial/cg_tutorial_appendix_d.html