struct OdOpenGLMaterialData { GLfloat m_paAmbient[4]; GLfloat m_paDiffuse[4]; GLfloat m_paSpecular[4]; GLfloat m_fSpecularPower; GLfloat m_paEmission[4]; bool m_bUseDiffuseMat; bool m_bUseAmbientMat; bool m_bUseSpecularMat; GLenum m_nUseChannel; double m_fOpacityPercentage; double m_fDiffuseBlendFactor; OdGiMapper::Tiling m_uTiling, m_vTiling; };