利用Direct3D多达8层的纹理混合,通过设置Direct3D多层纹理混合操作，把纹理层0和纹理层1相混合，绘制出的三维物体就同时具有大理石地板和景物倒影的纹理颜色。-The use of Direct3D up to 8 layers of texture blending, Direct3D by setting the multi-layer texture blending operation, the texture layer 0 and layer 1 texture mixin