Function Material__preprocess

tutorials/pathtracer/pathtracer_device.cpp:822–845

////////////////////////////////////////////////////////////////////////////////

inline void Material__preprocess(ISPCMaterial** materials, unsigned int materialID, unsigned int numMaterials, BRDF& brdf, const Vec3fa& wo, const DifferentialGeometry& dg, const Medium& medium)
{
  auto id = materialID;
  {
    if (id < numMaterials) // FIXME: workaround for ISPC bug, location reached with empty execution mask
    {
      ISPCMaterial* material = materials[id];

      switch (material->type) {
      case MATERIAL_OBJ  : OBJMaterial__preprocess  ((ISPCOBJMaterial*)  material,brdf,wo,dg,medium); break;
      case MATERIAL_METAL: MetalMaterial__preprocess((ISPCMetalMaterial*)material,brdf,wo,dg,medium); break;
      case MATERIAL_REFLECTIVE_METAL: ReflectiveMetalMaterial__preprocess((ISPCReflectiveMetalMaterial*)material,brdf,wo,dg,medium); break;
      case MATERIAL_VELVET: VelvetMaterial__preprocess((ISPCVelvetMaterial*)material,brdf,wo,dg,medium); break;
      case MATERIAL_DIELECTRIC: DielectricMaterial__preprocess((ISPCDielectricMaterial*)material,brdf,wo,dg,medium); break;
      case MATERIAL_METALLIC_PAINT: MetallicPaintMaterial__preprocess((ISPCMetallicPaintMaterial*)material,brdf,wo,dg,medium); break;
      case MATERIAL_MATTE: MatteMaterial__preprocess((ISPCMatteMaterial*)material,brdf,wo,dg,medium); break;
      case MATERIAL_MIRROR: MirrorMaterial__preprocess((ISPCMirrorMaterial*)material,brdf,wo,dg,medium); break;
      case MATERIAL_THIN_DIELECTRIC: ThinDielectricMaterial__preprocess((ISPCThinDielectricMaterial*)material,brdf,wo,dg,medium); break;
      case MATERIAL_HAIR: HairMaterial__preprocess((ISPCHairMaterial*)material,brdf,wo,dg,medium); break;
      default: break;
      }
    }
  }
}

inline Vec3fa Material__eval(ISPCMaterial** materials, unsigned int materialID, unsigned int numMaterials, const BRDF& brdf, const Vec3fa& wo, const DifferentialGeometry& dg, const Vec3fa& wi)
{