#ifndef __DATA_INC
#define __DATA_INC

#include "globals.cginc"

// From filament: min roughness s.t. MIN_PERCEPTUAL_ROUGHNESS^4 > 0 in target
// precision. Although we use fp32, the higher min roughness gives us a broader
// specular highlight, which is preferable.
#define MIN_PERCEPTUAL_ROUGHNESS 0.045
#define MIN_ROUGHNESS            0.002025

struct Pbr {
  float4 albedo;
  float3 normal;
  float3x3 tbn;
  float smoothness;
  float roughness_perceptual;
  float roughness;
  float metallic;
#if defined(_EMISSIONS) && defined(FORWARD_BASE_PASS)
  float3 emission;
#endif
#if defined(_AMBIENT_OCCLUSION)
  float ao;
#endif
#if defined(_BENT_NORMALS)
  float3 bent_normal;
#endif
#if defined(_CLEARCOAT)
  float cc_roughness;
  float cc_roughness_perceptual;
  float cc_strength;
#endif
};

#endif  // __DATA_INC