263 lines
8.5 KiB
C++
263 lines
8.5 KiB
C++
// 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 "default.h"
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#define MBLUR_BIN_LBBOX 1
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namespace embree
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{
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#if MBLUR_BIN_LBBOX
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/*! A primitive reference stores the bounds of the primitive and its ID. */
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struct PrimRefMB
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{
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typedef LBBox3fa BBox;
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__forceinline PrimRefMB () {}
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__forceinline PrimRefMB (const LBBox3fa& lbounds_i, unsigned int activeTimeSegments, BBox1f time_range, unsigned int totalTimeSegments, unsigned int geomID, unsigned int primID)
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: lbounds((LBBox3fx)lbounds_i), time_range(time_range)
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{
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assert(activeTimeSegments > 0);
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lbounds.bounds0.lower.a = geomID;
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lbounds.bounds0.upper.a = primID;
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lbounds.bounds1.lower.a = activeTimeSegments;
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lbounds.bounds1.upper.a = totalTimeSegments;
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}
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__forceinline PrimRefMB (EmptyTy empty, const LBBox3fa& lbounds_i, unsigned int activeTimeSegments, BBox1f time_range, unsigned int totalTimeSegments, size_t id)
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: lbounds((LBBox3fx)lbounds_i), time_range(time_range)
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{
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assert(activeTimeSegments > 0);
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#if defined(__X86_64__)
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lbounds.bounds0.lower.a = id & 0xFFFFFFFF;
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lbounds.bounds0.upper.a = (id >> 32) & 0xFFFFFFFF;
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#else
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lbounds.bounds0.lower.a = id;
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lbounds.bounds0.upper.a = 0;
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#endif
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lbounds.bounds1.lower.a = activeTimeSegments;
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lbounds.bounds1.upper.a = totalTimeSegments;
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}
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__forceinline PrimRefMB (const LBBox3fa& lbounds_i, unsigned int activeTimeSegments, BBox1f time_range, unsigned int totalTimeSegments, size_t id)
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: lbounds((LBBox3fx)lbounds_i), time_range(time_range)
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{
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assert(activeTimeSegments > 0);
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#if defined(__X86_64__)
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lbounds.bounds0.lower.u = id & 0xFFFFFFFF;
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lbounds.bounds0.upper.u = (id >> 32) & 0xFFFFFFFF;
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#else
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lbounds.bounds0.lower.u = id;
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lbounds.bounds0.upper.u = 0;
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#endif
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lbounds.bounds1.lower.a = activeTimeSegments;
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lbounds.bounds1.upper.a = totalTimeSegments;
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}
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/*! returns bounds for binning */
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__forceinline LBBox3fa bounds() const {
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return lbounds;
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}
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/*! returns the number of time segments of this primref */
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__forceinline unsigned size() const {
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return lbounds.bounds1.lower.a;
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}
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__forceinline unsigned totalTimeSegments() const {
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return lbounds.bounds1.upper.a;
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}
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/* calculate overlapping time segment range */
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__forceinline range<int> timeSegmentRange(const BBox1f& range) const {
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return getTimeSegmentRange(range,time_range,float(totalTimeSegments()));
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}
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/* returns time that corresponds to time step */
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__forceinline float timeStep(const int i) const {
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assert(i>=0 && i<=(int)totalTimeSegments());
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return time_range.lower + time_range.size()*float(i)/float(totalTimeSegments());
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}
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/*! checks if time range overlaps */
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__forceinline bool time_range_overlap(const BBox1f& range) const
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{
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if (0.9999f*time_range.upper <= range.lower) return false;
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if (1.0001f*time_range.lower >= range.upper) return false;
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return true;
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}
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/*! returns center for binning */
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__forceinline Vec3fa binCenter() const {
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return center2(lbounds.interpolate(0.5f));
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}
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/*! returns bounds and centroid used for binning */
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__forceinline void binBoundsAndCenter(LBBox3fa& bounds_o, Vec3fa& center_o) const
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{
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bounds_o = bounds();
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center_o = binCenter();
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}
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/*! returns the geometry ID */
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__forceinline unsigned geomID() const {
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return lbounds.bounds0.lower.a;
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}
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/*! returns the primitive ID */
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__forceinline unsigned primID() const {
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return lbounds.bounds0.upper.a;
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}
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/*! returns an size_t sized ID */
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__forceinline size_t ID() const {
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#if defined(__X86_64__)
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return size_t(lbounds.bounds0.lower.u) + (size_t(lbounds.bounds0.upper.u) << 32);
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#else
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return size_t(lbounds.bounds0.lower.u);
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#endif
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}
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/*! special function for operator< */
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__forceinline uint64_t ID64() const {
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return (((uint64_t)primID()) << 32) + (uint64_t)geomID();
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}
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/*! allows sorting the primrefs by ID */
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friend __forceinline bool operator<(const PrimRefMB& p0, const PrimRefMB& p1) {
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return p0.ID64() < p1.ID64();
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}
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/*! Outputs primitive reference to a stream. */
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friend __forceinline embree_ostream operator<<(embree_ostream cout, const PrimRefMB& ref) {
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return cout << "{ time_range = " << ref.time_range << ", bounds = " << ref.bounds() << ", geomID = " << ref.geomID() << ", primID = " << ref.primID() << ", active_segments = " << ref.size() << ", total_segments = " << ref.totalTimeSegments() << " }";
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}
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public:
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LBBox3fx lbounds;
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BBox1f time_range; // entire geometry time range
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};
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#else
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/*! A primitive reference stores the bounds of the primitive and its ID. */
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struct __aligned(16) PrimRefMB
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{
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typedef BBox3fa BBox;
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__forceinline PrimRefMB () {}
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__forceinline PrimRefMB (const LBBox3fa& bounds, unsigned int activeTimeSegments, BBox1f time_range, unsigned int totalTimeSegments, unsigned int geomID, unsigned int primID)
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: bbox(bounds.interpolate(0.5f)), _activeTimeSegments(activeTimeSegments), _totalTimeSegments(totalTimeSegments), time_range(time_range)
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{
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assert(activeTimeSegments > 0);
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bbox.lower.a = geomID;
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bbox.upper.a = primID;
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}
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__forceinline PrimRefMB (EmptyTy empty, const LBBox3fa& bounds, unsigned int activeTimeSegments, BBox1f time_range, unsigned int totalTimeSegments, size_t id)
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: bbox(bounds.interpolate(0.5f)), _activeTimeSegments(activeTimeSegments), _totalTimeSegments(totalTimeSegments), time_range(time_range)
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{
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assert(activeTimeSegments > 0);
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#if defined(__X86_64__)
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bbox.lower.u = id & 0xFFFFFFFF;
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bbox.upper.u = (id >> 32) & 0xFFFFFFFF;
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#else
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bbox.lower.u = id;
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bbox.upper.u = 0;
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#endif
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}
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/*! returns bounds for binning */
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__forceinline BBox3fa bounds() const {
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return bbox;
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}
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/*! returns the number of time segments of this primref */
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__forceinline unsigned int size() const {
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return _activeTimeSegments;
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}
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__forceinline unsigned int totalTimeSegments() const {
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return _totalTimeSegments;
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}
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/* calculate overlapping time segment range */
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__forceinline range<int> timeSegmentRange(const BBox1f& range) const {
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return getTimeSegmentRange(range,time_range,float(_totalTimeSegments));
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}
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/* returns time that corresponds to time step */
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__forceinline float timeStep(const int i) const {
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assert(i>=0 && i<=(int)_totalTimeSegments);
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return time_range.lower + time_range.size()*float(i)/float(_totalTimeSegments);
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}
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/*! checks if time range overlaps */
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__forceinline bool time_range_overlap(const BBox1f& range) const
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{
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if (0.9999f*time_range.upper <= range.lower) return false;
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if (1.0001f*time_range.lower >= range.upper) return false;
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return true;
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}
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/*! returns center for binning */
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__forceinline Vec3fa binCenter() const {
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return center2(bounds());
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}
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/*! returns bounds and centroid used for binning */
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__forceinline void binBoundsAndCenter(BBox3fa& bounds_o, Vec3fa& center_o) const
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{
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bounds_o = bounds();
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center_o = center2(bounds());
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}
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/*! returns the geometry ID */
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__forceinline unsigned int geomID() const {
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return bbox.lower.a;
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}
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/*! returns the primitive ID */
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__forceinline unsigned int primID() const {
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return bbox.upper.a;
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}
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/*! returns an size_t sized ID */
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__forceinline size_t ID() const {
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#if defined(__X86_64__)
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return size_t(bbox.lower.u) + (size_t(bbox.upper.u) << 32);
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#else
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return size_t(bbox.lower.u);
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#endif
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}
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/*! special function for operator< */
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__forceinline uint64_t ID64() const {
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return (((uint64_t)primID()) << 32) + (uint64_t)geomID();
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}
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/*! allows sorting the primrefs by ID */
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friend __forceinline bool operator<(const PrimRefMB& p0, const PrimRefMB& p1) {
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return p0.ID64() < p1.ID64();
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}
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/*! Outputs primitive reference to a stream. */
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friend __forceinline embree_ostream operator<<(embree_ostream cout, const PrimRefMB& ref) {
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return cout << "{ bounds = " << ref.bounds() << ", geomID = " << ref.geomID() << ", primID = " << ref.primID() << ", active_segments = " << ref.size() << ", total_segments = " << ref.totalTimeSegments() << " }";
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}
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public:
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BBox3fa bbox; // bounds, geomID, primID
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unsigned int _activeTimeSegments;
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unsigned int _totalTimeSegments;
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BBox1f time_range; // entire geometry time range
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};
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#endif
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}
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