esl primary code

esl primary code

namespace  esl  {

    class shader {
    public:
        virtual int query() = 0;
        virtual void deletethis() = 0;
    };

    class surface : public shader {
    public:
        virtual int query()
        {
            return default_surface_query;
        }
    };

    template < typename T > class ptr {
    public:

    };

    void ei_declare_shader( ei_shader_type shader_type, 
                            const ei_string shader_name,
                             )
    {
        va_list                        args;
        int                            para;
        static_parameter_container    spcon;
        dynamic_parameter_container    dpcon;
        parameter_container            *cpcon = NULL;
        ei_string                    str;
        float                        fval;

        va_start( args, shader_name );

        while(1)
        {
            para = va_arg( args, int );

            if( para == ei_end )
                break;

            switch( para )
            {
            case ei_static:
                cpcon = &spcon; 
                break;
            case ei_dynamic:
                cpcon = &dpcon;
                break;
            case ei_float:
                str = va_arg( args, ei_string );
                fval = va_arg( args, float );
                cpcon->add_float( str, fval );
                break;
            case ei_int:
                break;
            case ei_bool:
                break;
            case ei_color:
                break;
            case ei_point:
                break;
            case ei_vector:
                break;
            case ei_normal:
                break;
            case ei_matrix:
                break;
            }
        }

        va_end( args );
    }

    void ei_shader( const ei_string named_shader,
                    const ei_string shader_name,
                     )
    {
        va_list            args;
        ei_string        str;
        int                type;
        int                pos;
        ptr<float>        fval;
        shader_instance    *inst;

        va_start( args, shader_name );

        while(1)
        {
            str = va_arg( args, ei_string );

            if( str == ei_end )
                break;

            inst->lookup( str, type, pos );

            switch( type )
            {
            case ei_float:
                fval = va_arg( args, ptr<float> );
                inst->set_float( pos, fval );
                break;
            case ei_int:
                break;
            case ei_bool:
                break;
            case ei_color:
                break;
            case ei_point:
                break;
            case ei_vector:
                break;
            case ei_normal:
                break;
            case ei_matrix:
                break;
            }
        }

        va_end( args );
    }

} ;

posted on 2008-01-20 11:33 Len3d 阅读( ...) 评论( ...) 编辑 收藏

转载于:https://www.cnblogs.com/len3d/archive/2008/01/20/1046056.html