HRESULT  SetSamplerState(                         DWORD   Sampler,    //指定纹理采样属性的纹理层ID（0~7）

                 D3DSAMPLERSTATETYPE   Type,                //纹理过滤类型

                  DWORD   Value               //设置纹理采样属性值

);

第二个参数D3DSAMPLERSTATETYPE  Type取值：

D3DSAMP_MAGFILTER           //处理放大过滤

D3DSAMP_MINFILTER                      //处理缩小过滤

D3DSAMP_MIPFILTER                      //多纹理过滤

D3DSAMP_MIPMAPLODBIAS           //多级纹理级数偏移值，初始值为0

D3DSAMP_MAXMIPLEVEL                //最大多纹理级别，初始值为0

D3DSAMP_MAXANISOTROPY           //各向异性，初始为1

第三个参数Value取值：

D3DTEXF_NONE                     //不使用特殊的采样方式

D3DTEXF_POINT                                               //最近点采样

D3DTEXF_LINEAR                                             //线性纹理采样

D3DTEXF_ANISOTROPIC                                 //各向异性纹理采样

 Default Values

     默认值

     Sampler State                          Default Value

     采样器声明                               默认数值

     * ADDRESSU                           D3DTADDRESS_WRAP

     * ADDRESSV                           D3DTADDRESS_WRAP

     * ADDRESSW                          D3DTADDRESS_WRAP

     * BORDERCOLOR                  0x00000000

     * MAGFILTER                          D3DTEXF_POINT

     * MINFILTER                            D3DTEXF_POINT

     * MIPFILTER                            D3DTEXF_NONE

     * MIPMAPLODBIAS                  0.0f

     * MAXMIPLEVEL