78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
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// Copyright 2009-2020 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include "accelset.h"
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namespace embree
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{
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/*! User geometry with user defined intersection functions */
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struct UserGeometry : public AccelSet
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{
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/*! type of this geometry */
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static const Geometry::GTypeMask geom_type = Geometry::MTY_USER_GEOMETRY;
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public:
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UserGeometry (Device* device, unsigned int items = 0, unsigned int numTimeSteps = 1);
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virtual void setMask (unsigned mask);
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virtual void setBoundsFunction (RTCBoundsFunction bounds, void* userPtr);
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virtual void setIntersectFunctionN (RTCIntersectFunctionN intersect);
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virtual void setOccludedFunctionN (RTCOccludedFunctionN occluded);
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virtual void build() {}
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virtual void addElementsToCount (GeometryCounts & counts) const;
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};
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namespace isa
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{
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struct UserGeometryISA : public UserGeometry
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{
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UserGeometryISA (Device* device)
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: UserGeometry(device) {}
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PrimInfo createPrimRefArray(mvector<PrimRef>& prims, const range<size_t>& r, size_t k, unsigned int geomID) const
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{
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PrimInfo pinfo(empty);
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for (size_t j=r.begin(); j<r.end(); j++)
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{
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BBox3fa bounds = empty;
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if (!buildBounds(j,&bounds)) continue;
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const PrimRef prim(bounds,geomID,unsigned(j));
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pinfo.add_center2(prim);
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prims[k++] = prim;
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}
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return pinfo;
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}
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PrimInfo createPrimRefArrayMB(mvector<PrimRef>& prims, size_t itime, const range<size_t>& r, size_t k, unsigned int geomID) const
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{
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PrimInfo pinfo(empty);
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for (size_t j=r.begin(); j<r.end(); j++)
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{
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BBox3fa bounds = empty;
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if (!buildBounds(j,itime,bounds)) continue;
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const PrimRef prim(bounds,geomID,unsigned(j));
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pinfo.add_center2(prim);
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prims[k++] = prim;
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}
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return pinfo;
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}
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PrimInfoMB createPrimRefMBArray(mvector<PrimRefMB>& prims, const BBox1f& t0t1, const range<size_t>& r, size_t k, unsigned int geomID) const
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{
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PrimInfoMB pinfo(empty);
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for (size_t j=r.begin(); j<r.end(); j++)
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{
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if (!valid(j, timeSegmentRange(t0t1))) continue;
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const PrimRefMB prim(linearBounds(j,t0t1),this->numTimeSegments(),this->time_range,this->numTimeSegments(),geomID,unsigned(j));
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pinfo.add_primref(prim);
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prims[k++] = prim;
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}
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return pinfo;
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}
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};
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}
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DECLARE_ISA_FUNCTION(UserGeometry*, createUserGeometry, Device*);
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}
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