D3DVERTEXTEXTURESAMPLER
    Vertex texture sampler constants.
    These constants identify the texture samplers used by vertex shaders.
    
      
        | #define | Description | 
      
        | D3DVERTEXTEXTURESAMPLER0 | (D3DDMAPSAMPLER+1) | 
      
        | D3DVERTEXTEXTURESAMPLER1 | (D3DDMAPSAMPLER+2) | 
      
        | D3DVERTEXTEXTURESAMPLER2 | (D3DDMAPSAMPLER+3) | 
      
        | D3DVERTEXTEXTURESAMPLER3 | (D3DDMAPSAMPLER+4) | 
    
D3DDMAPSAMPLER
This is an internal constant used by the texture sampler in the tessellator.
    
      
        | #define | Description | 
      
        | D3DDMAPSAMPLER | 256, which is the maximum number of texture samplers. | 
    
Constant Information
      
        | Header | d3d9types.h | 
      
        | Minimum operating system | Windows 98 |