#ifndef FILAMENT_COMMON_SHADING
#define FILAMENT_COMMON_SHADING
/*
// These variables should be in a struct but some GPU drivers ignore the
// precision qualifier on individual struct members
highp float3x3  shading_tangentToWorld;   // TBN matrix
highp float3  shading_position;           // position of the fragment in world space
      float3  shading_view;               // normalized vector from the fragment to the eye
      float3  shading_normal;             // normalized transformed normal, in world space
      float3  shading_geometricNormal;    // normalized geometric normal, in world space
      float3  shading_reflected;          // reflection of view about normal
      float shading_NoV;                  // dot(normal, view), always strictly >= MIN_N_DOT_V

#if defined(MATERIAL_HAS_BENT_NORMAL)
      float3  shading_bentNormal;       // normalized transformed normal, in world space
#endif

#if defined(MATERIAL_HAS_CLEAR_COAT)
      float3  shading_clearCoatNormal;  // normalized clear coat layer normal, in world space
#endif

highp float2 shading_normalizedViewportCoord;
*/

// Worry about that problem later.
struct ShadingParams {
      float3x3  tangentToWorld;   // TBN matrix
      float3  position;           // position of the fragment in world space
      half3  view;                // normalized vector from the fragment to the eye
      half3  normal;              // normalized transformed normal, in world space
      half3  geometricNormal;     // normalized geometric normal, in world space
      half3  reflected;           // reflection of view about normal
      half NoV;                   // dot(normal, view), always strictly >= MIN_N_DOT_V

#if defined(MATERIAL_HAS_BENT_NORMAL)
      half3  bentNormal;          // normalized transformed normal, in world space
#endif

#if defined(MATERIAL_HAS_CLEAR_COAT)
      half3  clearCoatNormal;     // normalized clear coat layer normal, in world space
#endif

      half2 normalizedViewportCoord;

      // These parameters are provided to inject Unity lighting into Filament data.
      half attenuation;
      half3 ambient;
      half4 lightmapUV;

#if defined(USING_BAKERY_VERTEXLMSH)
      half3 ambientSH[3];
#elif defined(USING_BAKERY_VERTEXLMDIR)
      half3 ambientDir;
#endif

};
#endif // FILAMENT_COMMON_SHADING