struct generator_normalmap_params 
{
    float kTextureSize;
    float kCntrst;
    float lightness_x;
    float lightness_y;
    float lightness_z;

    generator_normalmap_params()
    {
        kTextureSize = 1000.0f;
        kCntrst = 0.5f;
        lightness_x = 0.3f;
        lightness_y = 0.5f;
        lightness_z = 0.11f;


    }
};
        

class generator_normalmap
{
    ID3DXEffect* m_pEff;

public:

    generator_normalmap(IDirect3DDevice9* const _device) throw(std::runtime_error);
    virtual ~generator_normalmap();

    void DoDrawQuad(IDirect3DDevice9* const pdevice);

    IDirect3DTexture9* Generate(
                IDirect3DDevice9* const pdevice, 
                IDirect3DTexture9* const srcTexture, 
                const generator_normalmap_params* params);
     
};