File: differential_geometry.h

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embree 4.3.3%2Bdfsg-1
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// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0

#pragma once

#include "../../../include/embree4/rtcore.h"
#include "../math/vec.h"

namespace embree {

struct DifferentialGeometry
{
  unsigned int instIDs[RTC_MAX_INSTANCE_LEVEL_COUNT];
  unsigned int geomID;
  unsigned int primID;
  float u,v;
  Vec3fa P;
  Vec3fa Ng;
  Vec3fa Ns;
  Vec3fa Tx; //direction along hair
  Vec3fa Ty;
  float eps;
};

} // namespace embree