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// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "accelset.h"
namespace embree
{
/*! User geometry with user defined intersection functions */
struct UserGeometry : public AccelSet
{
/*! type of this geometry */
static const Geometry::GTypeMask geom_type = Geometry::MTY_USER_GEOMETRY;
public:
UserGeometry (Device* device, unsigned int items = 0, unsigned int numTimeSteps = 1);
virtual void setMask (unsigned mask);
virtual void setBoundsFunction (RTCBoundsFunction bounds, void* userPtr);
virtual void setIntersectFunctionN (RTCIntersectFunctionN intersect);
virtual void setOccludedFunctionN (RTCOccludedFunctionN occluded);
virtual void build() {}
virtual void addElementsToCount (GeometryCounts & counts) const;
};
namespace isa
{
struct UserGeometryISA : public UserGeometry
{
UserGeometryISA (Device* device)
: UserGeometry(device) {}
PrimInfo createPrimRefArray(mvector<PrimRef>& prims, const range<size_t>& r, size_t k, unsigned int geomID) const
{
PrimInfo pinfo(empty);
for (size_t j=r.begin(); j<r.end(); j++)
{
BBox3fa bounds = empty;
if (!buildBounds(j,&bounds)) continue;
const PrimRef prim(bounds,geomID,unsigned(j));
pinfo.add_center2(prim);
prims[k++] = prim;
}
return pinfo;
}
PrimInfo createPrimRefArrayMB(mvector<PrimRef>& prims, size_t itime, const range<size_t>& r, size_t k, unsigned int geomID) const
{
PrimInfo pinfo(empty);
for (size_t j=r.begin(); j<r.end(); j++)
{
BBox3fa bounds = empty;
if (!buildBounds(j,itime,bounds)) continue;
const PrimRef prim(bounds,geomID,unsigned(j));
pinfo.add_center2(prim);
prims[k++] = prim;
}
return pinfo;
}
PrimInfoMB createPrimRefMBArray(mvector<PrimRefMB>& prims, const BBox1f& t0t1, const range<size_t>& r, size_t k, unsigned int geomID) const
{
PrimInfoMB pinfo(empty);
for (size_t j=r.begin(); j<r.end(); j++)
{
if (!valid(j, timeSegmentRange(t0t1))) continue;
const PrimRefMB prim(linearBounds(j,t0t1),this->numTimeSegments(),this->time_range,this->numTimeSegments(),geomID,unsigned(j));
pinfo.add_primref(prim);
prims[k++] = prim;
}
return pinfo;
}
};
}
DECLARE_ISA_FUNCTION(UserGeometry*, createUserGeometry, Device*);
}
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