virtualx-engine/thirdparty/embree/kernels/geometry/primitive.h

// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0

#pragma once

#include "../common/default.h"
#include "../common/scene.h"
#include "../../common/simd/simd.h"
#include "../common/primref.h"
#include "../common/primref_mb.h"

namespace embree
{
  struct PrimitiveType
  {
    /*! returns name of this primitive type */
    virtual const char* name() const = 0;
    
    /*! Returns the number of stored active primitives in a block. */
    virtual size_t sizeActive(const char* This) const = 0;

    /*! Returns the number of stored active and inactive primitives in a block. */
    virtual size_t sizeTotal(const char* This) const = 0;

    /*! Returns the number of bytes of block. */
    virtual size_t getBytes(const char* This) const = 0;
  };
  
  template<typename Primitive>
  struct PrimitivePointQuery1
  {
    static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, const Primitive& prim)
    {
      bool changed = false;
      for (size_t i = 0; i < Primitive::max_size(); i++)
      {
        if (!prim.valid(i)) break;
        STAT3(point_query.trav_prims,1,1,1);
        AccelSet* accel = (AccelSet*)context->scene->get(prim.geomID(i));
        context->geomID = prim.geomID(i);
        context->primID = prim.primID(i);
        changed |= accel->pointQuery(query, context);
      }
      return changed;
    }
    
    static __forceinline void pointQueryNoop(PointQuery* query, PointQueryContext* context, const Primitive& prim) { }
  };
}