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++ // Copyright 2009-2021 Intel Corporation
++ // SPDX-License-Identifier: Apache-2.0
++
++ #pragma once
++
++ #include "default.h"
++
++ #define MBLUR_BIN_LBBOX 1
++
++ namespace embree
++ {
++ #if MBLUR_BIN_LBBOX
++
++ /*! A primitive reference stores the bounds of the primitive and its ID. */
++ struct PrimRefMB
++ {
++ typedef LBBox3fa BBox;
++
++ __forceinline PrimRefMB () {}
++
++ __forceinline PrimRefMB (const LBBox3fa& lbounds_i, unsigned int activeTimeSegments, BBox1f time_range, unsigned int totalTimeSegments, unsigned int geomID, unsigned int primID)
++ : lbounds((LBBox3fx)lbounds_i), time_range(time_range)
++ {
++ assert(activeTimeSegments > 0);
++ lbounds.bounds0.lower.a = geomID;
++ lbounds.bounds0.upper.a = primID;
++ lbounds.bounds1.lower.a = activeTimeSegments;
++ lbounds.bounds1.upper.a = totalTimeSegments;
++ }
++
++ __forceinline PrimRefMB (EmptyTy empty, const LBBox3fa& lbounds_i, unsigned int activeTimeSegments, BBox1f time_range, unsigned int totalTimeSegments, size_t id)
++ : lbounds((LBBox3fx)lbounds_i), time_range(time_range)
++ {
++ assert(activeTimeSegments > 0);
++ #if defined(__64BIT__)
++ lbounds.bounds0.lower.a = id & 0xFFFFFFFF;
++ lbounds.bounds0.upper.a = (id >> 32) & 0xFFFFFFFF;
++ #else
++ lbounds.bounds0.lower.a = id;
++ lbounds.bounds0.upper.a = 0;
++ #endif
++ lbounds.bounds1.lower.a = activeTimeSegments;
++ lbounds.bounds1.upper.a = totalTimeSegments;
++ }
++
++ __forceinline PrimRefMB (const LBBox3fa& lbounds_i, unsigned int activeTimeSegments, BBox1f time_range, unsigned int totalTimeSegments, size_t id)
++ : lbounds((LBBox3fx)lbounds_i), time_range(time_range)
++ {
++ assert(activeTimeSegments > 0);
++ #if defined(__64BIT__)
++ lbounds.bounds0.lower.u = id & 0xFFFFFFFF;
++ lbounds.bounds0.upper.u = (id >> 32) & 0xFFFFFFFF;
++ #else
++ lbounds.bounds0.lower.u = id;
++ lbounds.bounds0.upper.u = 0;
++ #endif
++ lbounds.bounds1.lower.a = activeTimeSegments;
++ lbounds.bounds1.upper.a = totalTimeSegments;
++ }
++
++ /*! returns bounds for binning */
++ __forceinline LBBox3fa bounds() const {
++ return lbounds;
++ }
++
++ /*! returns the number of time segments of this primref */
++ __forceinline unsigned size() const {
++ return lbounds.bounds1.lower.a;
++ }
++
++ __forceinline unsigned totalTimeSegments() const {
++ return lbounds.bounds1.upper.a;
++ }
++
++ /* calculate overlapping time segment range */
++ __forceinline range<int> timeSegmentRange(const BBox1f& range) const {
++ return getTimeSegmentRange(range,time_range,float(totalTimeSegments()));
++ }
++
++ /* returns time that corresponds to time step */
++ __forceinline float timeStep(const int i) const {
++ assert(i>=0 && i<=(int)totalTimeSegments());
++ return time_range.lower + time_range.size()*float(i)/float(totalTimeSegments());
++ }
++
++ /*! checks if time range overlaps */
++ __forceinline bool time_range_overlap(const BBox1f& range) const
++ {
++ if (0.9999f*time_range.upper <= range.lower) return false;
++ if (1.0001f*time_range.lower >= range.upper) return false;
++ return true;
++ }
++
++ /*! returns center for binning */
++ __forceinline Vec3fa binCenter() const {
++ return center2(lbounds.interpolate(0.5f));
++ }
++
++ /*! returns bounds and centroid used for binning */
++ __forceinline void binBoundsAndCenter(LBBox3fa& bounds_o, Vec3fa& center_o) const
++ {
++ bounds_o = bounds();
++ center_o = binCenter();
++ }
++
++ /*! returns the geometry ID */
++ __forceinline unsigned geomID() const {
++ return lbounds.bounds0.lower.a;
++ }
++
++ /*! returns the primitive ID */
++ __forceinline unsigned primID() const {
++ return lbounds.bounds0.upper.a;
++ }
++
++ /*! returns an size_t sized ID */
++ __forceinline size_t ID() const {
++ #if defined(__64BIT__)
++ return size_t(lbounds.bounds0.lower.u) + (size_t(lbounds.bounds0.upper.u) << 32);
++ #else
++ return size_t(lbounds.bounds0.lower.u);
++ #endif
++ }
++
++ /*! special function for operator< */
++ __forceinline uint64_t ID64() const {
++ return (((uint64_t)primID()) << 32) + (uint64_t)geomID();
++ }
++
++ /*! allows sorting the primrefs by ID */
++ friend __forceinline bool operator<(const PrimRefMB& p0, const PrimRefMB& p1) {
++ return p0.ID64() < p1.ID64();
++ }
++
++ /*! Outputs primitive reference to a stream. */
++ friend __forceinline embree_ostream operator<<(embree_ostream cout, const PrimRefMB& ref) {
++ return cout << "{ time_range = " << ref.time_range << ", bounds = " << ref.bounds() << ", geomID = " << ref.geomID() << ", primID = " << ref.primID() << ", active_segments = " << ref.size() << ", total_segments = " << ref.totalTimeSegments() << " }";
++ }
++
++ public:
++ LBBox3fx lbounds;
++ BBox1f time_range; // entire geometry time range
++ };
++
++ #else
++
++ /*! A primitive reference stores the bounds of the primitive and its ID. */
++ struct __aligned(16) PrimRefMB
++ {
++ typedef BBox3fa BBox;
++
++ __forceinline PrimRefMB () {}
++
++ __forceinline PrimRefMB (const LBBox3fa& bounds, unsigned int activeTimeSegments, BBox1f time_range, unsigned int totalTimeSegments, unsigned int geomID, unsigned int primID)
++ : bbox(bounds.interpolate(0.5f)), _activeTimeSegments(activeTimeSegments), _totalTimeSegments(totalTimeSegments), time_range(time_range)
++ {
++ assert(activeTimeSegments > 0);
++ bbox.lower.a = geomID;
++ bbox.upper.a = primID;
++ }
++
++ __forceinline PrimRefMB (EmptyTy empty, const LBBox3fa& bounds, unsigned int activeTimeSegments, BBox1f time_range, unsigned int totalTimeSegments, size_t id)
++ : bbox(bounds.interpolate(0.5f)), _activeTimeSegments(activeTimeSegments), _totalTimeSegments(totalTimeSegments), time_range(time_range)
++ {
++ assert(activeTimeSegments > 0);
++ #if defined(__64BIT__)
++ bbox.lower.u = id & 0xFFFFFFFF;
++ bbox.upper.u = (id >> 32) & 0xFFFFFFFF;
++ #else
++ bbox.lower.u = id;
++ bbox.upper.u = 0;
++ #endif
++ }
++
++ /*! returns bounds for binning */
++ __forceinline BBox3fa bounds() const {
++ return bbox;
++ }
++
++ /*! returns the number of time segments of this primref */
++ __forceinline unsigned int size() const {
++ return _activeTimeSegments;
++ }
++
++ __forceinline unsigned int totalTimeSegments() const {
++ return _totalTimeSegments;
++ }
++
++ /* calculate overlapping time segment range */
++ __forceinline range<int> timeSegmentRange(const BBox1f& range) const {
++ return getTimeSegmentRange(range,time_range,float(_totalTimeSegments));
++ }
++
++ /* returns time that corresponds to time step */
++ __forceinline float timeStep(const int i) const {
++ assert(i>=0 && i<=(int)_totalTimeSegments);
++ return time_range.lower + time_range.size()*float(i)/float(_totalTimeSegments);
++ }
++
++ /*! checks if time range overlaps */
++ __forceinline bool time_range_overlap(const BBox1f& range) const
++ {
++ if (0.9999f*time_range.upper <= range.lower) return false;
++ if (1.0001f*time_range.lower >= range.upper) return false;
++ return true;
++ }
++
++ /*! returns center for binning */
++ __forceinline Vec3fa binCenter() const {
++ return center2(bounds());
++ }
++
++ /*! returns bounds and centroid used for binning */
++ __forceinline void binBoundsAndCenter(BBox3fa& bounds_o, Vec3fa& center_o) const
++ {
++ bounds_o = bounds();
++ center_o = center2(bounds());
++ }
++
++ /*! returns the geometry ID */
++ __forceinline unsigned int geomID() const {
++ return bbox.lower.a;
++ }
++
++ /*! returns the primitive ID */
++ __forceinline unsigned int primID() const {
++ return bbox.upper.a;
++ }
++
++ /*! returns an size_t sized ID */
++ __forceinline size_t ID() const {
++ #if defined(__64BIT__)
++ return size_t(bbox.lower.u) + (size_t(bbox.upper.u) << 32);
++ #else
++ return size_t(bbox.lower.u);
++ #endif
++ }
++
++ /*! special function for operator< */
++ __forceinline uint64_t ID64() const {
++ return (((uint64_t)primID()) << 32) + (uint64_t)geomID();
++ }
++
++ /*! allows sorting the primrefs by ID */
++ friend __forceinline bool operator<(const PrimRefMB& p0, const PrimRefMB& p1) {
++ return p0.ID64() < p1.ID64();
++ }
++
++ /*! Outputs primitive reference to a stream. */
++ friend __forceinline embree_ostream operator<<(embree_ostream cout, const PrimRefMB& ref) {
++ return cout << "{ bounds = " << ref.bounds() << ", geomID = " << ref.geomID() << ", primID = " << ref.primID() << ", active_segments = " << ref.size() << ", total_segments = " << ref.totalTimeSegments() << " }";
++ }
++
++ public:
++ BBox3fa bbox; // bounds, geomID, primID
++ unsigned int _activeTimeSegments;
++ unsigned int _totalTimeSegments;
++ BBox1f time_range; // entire geometry time range
++ };
++
++ #endif
++ }