413 lines
16 KiB
C++
413 lines
16 KiB
C++
// Copyright 2009-2021 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include "primitive.h"
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namespace embree
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{
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template<int M>
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struct PointMi
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{
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/* Virtual interface to query information about the line segment type */
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struct Type : public PrimitiveType
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{
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const char* name() const;
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size_t sizeActive(const char* This) const;
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size_t sizeTotal(const char* This) const;
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size_t getBytes(const char* This) const;
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};
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static Type type;
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public:
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/* primitive supports multiple time segments */
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static const bool singleTimeSegment = false;
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/* Returns maximum number of stored line segments */
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static __forceinline size_t max_size()
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{
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return M;
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}
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/* Returns required number of primitive blocks for N line segments */
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static __forceinline size_t blocks(size_t N)
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{
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return (N + max_size() - 1) / max_size();
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}
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/* Returns required number of bytes for N line segments */
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static __forceinline size_t bytes(size_t N)
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{
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return blocks(N) * sizeof(PointMi);
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}
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public:
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/* Default constructor */
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__forceinline PointMi() {}
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/* Construction from vertices and IDs */
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__forceinline PointMi(const vuint<M>& geomIDs, const vuint<M>& primIDs, Geometry::GType gtype, uint32_t numPrimitives)
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: gtype((unsigned char)gtype),
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numPrimitives(numPrimitives),
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sharedGeomID(geomIDs[0]),
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primIDs(primIDs)
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{
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assert(all(vuint<M>(geomID()) == geomIDs));
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}
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/* Returns a mask that tells which line segments are valid */
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__forceinline vbool<M> valid() const {
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return vint<M>(step) < vint<M>(numPrimitives);
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}
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/* Returns if the specified line segment is valid */
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__forceinline bool valid(const size_t i) const
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{
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assert(i < M);
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return i < numPrimitives;
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}
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/* Returns the number of stored line segments */
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__forceinline size_t size() const {
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return numPrimitives;
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}
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__forceinline unsigned int geomID(unsigned int i = 0) const {
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return sharedGeomID;
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}
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__forceinline vuint<M>& primID() {
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return primIDs;
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}
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__forceinline const vuint<M>& primID() const {
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return primIDs;
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}
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__forceinline unsigned int primID(const size_t i) const {
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assert(i < M);
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return primIDs[i];
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}
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/* gather the line segments */
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__forceinline void gather(Vec4vf<M>& p0, const Points* geom) const;
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__forceinline void gather(Vec4vf<M>& p0, Vec3vf<M>& n0, const Points* geom) const;
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__forceinline void gatheri(Vec4vf<M>& p0, const Points* geom, const int itime) const;
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__forceinline void gatheri(Vec4vf<M>& p0, Vec3vf<M>& n0, const Points* geom, const int itime) const;
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__forceinline void gather(Vec4vf<M>& p0, const Points* geom, float time) const;
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__forceinline void gather(Vec4vf<M>& p0, Vec3vf<M>& n0, const Points* geom, float time) const;
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/* Calculate the bounds of the line segments */
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__forceinline const BBox3fa bounds(const Scene* scene, size_t itime = 0) const
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{
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BBox3fa bounds = empty;
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for (size_t i = 0; i < M && valid(i); i++) {
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const Points* geom = scene->get<Points>(geomID(i));
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bounds.extend(geom->bounds(primID(i),itime));
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}
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return bounds;
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}
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/* Calculate the linear bounds of the primitive */
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__forceinline LBBox3fa linearBounds(const Scene* scene, size_t itime) {
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return LBBox3fa(bounds(scene, itime + 0), bounds(scene, itime + 1));
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}
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__forceinline LBBox3fa linearBounds(const Scene* const scene, size_t itime, size_t numTimeSteps)
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{
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LBBox3fa allBounds = empty;
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for (size_t i = 0; i < M && valid(i); i++) {
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const Points* geom = scene->get<Points>(geomID(i));
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allBounds.extend(geom->linearBounds(primID(i), itime, numTimeSteps));
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}
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return allBounds;
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}
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__forceinline LBBox3fa linearBounds(const Scene* const scene, const BBox1f time_range)
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{
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LBBox3fa allBounds = empty;
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for (size_t i = 0; i < M && valid(i); i++) {
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const Points* geom = scene->get<Points>(geomID((unsigned int)i));
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allBounds.extend(geom->linearBounds(primID(i), time_range));
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}
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return allBounds;
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}
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/* Fill line segment from line segment list */
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template<typename PrimRefT>
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__forceinline void fill(const PrimRefT* prims, size_t& begin, size_t end, Scene* scene)
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{
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Geometry::GType gty = scene->get(prims[begin].geomID())->getType();
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vuint<M> geomID, primID;
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vuint<M> v0;
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const PrimRefT* prim = &prims[begin];
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int numPrimitives = 0;
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for (size_t i = 0; i < M; i++) {
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if (begin < end) {
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geomID[i] = prim->geomID();
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primID[i] = prim->primID();
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begin++;
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numPrimitives++;
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} else {
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assert(i);
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if (i > 0) {
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geomID[i] = geomID[i - 1];
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primID[i] = primID[i - 1];
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}
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}
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if (begin < end)
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prim = &prims[begin]; // FIXME: remove this line
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}
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new (this) PointMi(geomID, primID, gty, numPrimitives); // FIXME: use non temporal store
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}
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template<typename BVH, typename Allocator>
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__forceinline static typename BVH::NodeRef createLeaf(BVH* bvh,
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const PrimRef* prims,
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const range<size_t>& set,
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const Allocator& alloc)
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{
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size_t start = set.begin();
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size_t items = PointMi::blocks(set.size());
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size_t numbytes = PointMi::bytes(set.size());
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PointMi* accel = (PointMi*)alloc.malloc1(numbytes, M * sizeof(float));
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for (size_t i = 0; i < items; i++) {
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accel[i].fill(prims, start, set.end(), bvh->scene);
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}
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return bvh->encodeLeaf((char*)accel, items);
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};
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__forceinline LBBox3fa fillMB(const PrimRef* prims, size_t& begin, size_t end, Scene* scene, size_t itime)
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{
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fill(prims, begin, end, scene);
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return linearBounds(scene, itime);
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}
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__forceinline LBBox3fa fillMB(
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const PrimRefMB* prims, size_t& begin, size_t end, Scene* scene, const BBox1f time_range)
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{
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fill(prims, begin, end, scene);
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return linearBounds(scene, time_range);
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}
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template<typename BVH, typename SetMB, typename Allocator>
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__forceinline static typename BVH::NodeRecordMB4D createLeafMB(BVH* bvh, const SetMB& prims, const Allocator& alloc)
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{
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size_t start = prims.object_range.begin();
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size_t end = prims.object_range.end();
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size_t items = PointMi::blocks(prims.object_range.size());
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size_t numbytes = PointMi::bytes(prims.object_range.size());
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PointMi* accel = (PointMi*)alloc.malloc1(numbytes, M * sizeof(float));
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const typename BVH::NodeRef node = bvh->encodeLeaf((char*)accel, items);
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LBBox3fa bounds = empty;
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for (size_t i = 0; i < items; i++)
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bounds.extend(accel[i].fillMB(prims.prims->data(), start, end, bvh->scene, prims.time_range));
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return typename BVH::NodeRecordMB4D(node, bounds, prims.time_range);
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};
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/*! output operator */
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friend __forceinline embree_ostream operator<<(embree_ostream cout, const PointMi& line)
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{
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return cout << "Line" << M << "i {" << line.v0 << ", " << line.geomID() << ", " << line.primID() << "}";
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}
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public:
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unsigned char gtype;
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unsigned char numPrimitives;
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unsigned int sharedGeomID;
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private:
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vuint<M> primIDs; // primitive ID
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};
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template<>
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__forceinline void PointMi<4>::gather(Vec4vf4& p0, const Points* geom) const
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{
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const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0)));
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const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1)));
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const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2)));
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const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3)));
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transpose(a0, a1, a2, a3, p0.x, p0.y, p0.z, p0.w);
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}
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template<>
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__forceinline void PointMi<4>::gather(Vec4vf4& p0, Vec3vf4& n0, const Points* geom) const
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{
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const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0)));
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const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1)));
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const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2)));
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const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3)));
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transpose(a0, a1, a2, a3, p0.x, p0.y, p0.z, p0.w);
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const vfloat4 b0 = vfloat4(geom->normal(primID(0)));
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const vfloat4 b1 = vfloat4(geom->normal(primID(1)));
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const vfloat4 b2 = vfloat4(geom->normal(primID(2)));
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const vfloat4 b3 = vfloat4(geom->normal(primID(3)));
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transpose(b0, b1, b2, b3, n0.x, n0.y, n0.z);
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}
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template<>
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__forceinline void PointMi<4>::gatheri(Vec4vf4& p0, const Points* geom, const int itime) const
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{
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const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0), itime));
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const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1), itime));
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const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2), itime));
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const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3), itime));
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transpose(a0, a1, a2, a3, p0.x, p0.y, p0.z, p0.w);
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}
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template<>
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__forceinline void PointMi<4>::gatheri(Vec4vf4& p0, Vec3vf4& n0, const Points* geom, const int itime) const
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{
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const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0), itime));
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const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1), itime));
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const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2), itime));
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const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3), itime));
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transpose(a0, a1, a2, a3, p0.x, p0.y, p0.z, p0.w);
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const vfloat4 b0 = vfloat4(geom->normal(primID(0), itime));
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const vfloat4 b1 = vfloat4(geom->normal(primID(1), itime));
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const vfloat4 b2 = vfloat4(geom->normal(primID(2), itime));
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const vfloat4 b3 = vfloat4(geom->normal(primID(3), itime));
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transpose(b0, b1, b2, b3, n0.x, n0.y, n0.z);
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}
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template<>
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__forceinline void PointMi<4>::gather(Vec4vf4& p0, const Points* geom, float time) const
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{
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float ftime;
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const int itime = geom->timeSegment(time, ftime);
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Vec4vf4 a0; gatheri(a0, geom, itime);
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Vec4vf4 b0; gatheri(b0, geom, itime + 1);
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p0 = lerp(a0, b0, vfloat4(ftime));
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}
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template<>
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__forceinline void PointMi<4>::gather(Vec4vf4& p0, Vec3vf4& n0, const Points* geom, float time) const
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{
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float ftime;
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const int itime = geom->timeSegment(time, ftime);
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Vec4vf4 a0, b0;
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Vec3vf4 norm0, norm1;
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gatheri(a0, norm0, geom, itime);
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gatheri(b0, norm1, geom, itime + 1);
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p0 = lerp(a0, b0, vfloat4(ftime));
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n0 = lerp(norm0, norm1, vfloat4(ftime));
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}
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#if defined(__AVX__)
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template<>
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__forceinline void PointMi<8>::gather(Vec4vf8& p0, const Points* geom) const
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{
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const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0)));
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const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1)));
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const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2)));
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const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3)));
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const vfloat4 a4 = vfloat4::loadu(geom->vertexPtr(primID(4)));
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const vfloat4 a5 = vfloat4::loadu(geom->vertexPtr(primID(5)));
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const vfloat4 a6 = vfloat4::loadu(geom->vertexPtr(primID(6)));
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const vfloat4 a7 = vfloat4::loadu(geom->vertexPtr(primID(7)));
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transpose(a0, a1, a2, a3, a4, a5, a6, a7, p0.x, p0.y, p0.z, p0.w);
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}
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template<>
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__forceinline void PointMi<8>::gather(Vec4vf8& p0, Vec3vf8& n0, const Points* geom) const
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{
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const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0)));
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const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1)));
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const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2)));
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const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3)));
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const vfloat4 a4 = vfloat4::loadu(geom->vertexPtr(primID(4)));
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const vfloat4 a5 = vfloat4::loadu(geom->vertexPtr(primID(5)));
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const vfloat4 a6 = vfloat4::loadu(geom->vertexPtr(primID(6)));
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const vfloat4 a7 = vfloat4::loadu(geom->vertexPtr(primID(7)));
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transpose(a0, a1, a2, a3, a4, a5, a6, a7, p0.x, p0.y, p0.z, p0.w);
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const vfloat4 b0 = vfloat4(geom->normal(primID(0)));
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const vfloat4 b1 = vfloat4(geom->normal(primID(1)));
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const vfloat4 b2 = vfloat4(geom->normal(primID(2)));
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const vfloat4 b3 = vfloat4(geom->normal(primID(3)));
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const vfloat4 b4 = vfloat4(geom->normal(primID(4)));
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const vfloat4 b5 = vfloat4(geom->normal(primID(5)));
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const vfloat4 b6 = vfloat4(geom->normal(primID(6)));
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const vfloat4 b7 = vfloat4(geom->normal(primID(7)));
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transpose(b0, b1, b2, b3, b4, b5, b6, b7, n0.x, n0.y, n0.z);
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}
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template<>
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__forceinline void PointMi<8>::gatheri(Vec4vf8& p0, const Points* geom, const int itime) const
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{
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const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0), itime));
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const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1), itime));
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const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2), itime));
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const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3), itime));
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const vfloat4 a4 = vfloat4::loadu(geom->vertexPtr(primID(4), itime));
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const vfloat4 a5 = vfloat4::loadu(geom->vertexPtr(primID(5), itime));
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const vfloat4 a6 = vfloat4::loadu(geom->vertexPtr(primID(6), itime));
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const vfloat4 a7 = vfloat4::loadu(geom->vertexPtr(primID(7), itime));
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transpose(a0, a1, a2, a3, a4, a5, a6, a7, p0.x, p0.y, p0.z, p0.w);
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}
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template<>
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__forceinline void PointMi<8>::gatheri(Vec4vf8& p0, Vec3vf8& n0, const Points* geom, const int itime) const
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{
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const vfloat4 a0 = vfloat4::loadu(geom->vertexPtr(primID(0), itime));
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const vfloat4 a1 = vfloat4::loadu(geom->vertexPtr(primID(1), itime));
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const vfloat4 a2 = vfloat4::loadu(geom->vertexPtr(primID(2), itime));
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const vfloat4 a3 = vfloat4::loadu(geom->vertexPtr(primID(3), itime));
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const vfloat4 a4 = vfloat4::loadu(geom->vertexPtr(primID(4), itime));
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const vfloat4 a5 = vfloat4::loadu(geom->vertexPtr(primID(5), itime));
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const vfloat4 a6 = vfloat4::loadu(geom->vertexPtr(primID(6), itime));
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const vfloat4 a7 = vfloat4::loadu(geom->vertexPtr(primID(7), itime));
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transpose(a0, a1, a2, a3, a4, a5, a6, a7, p0.x, p0.y, p0.z, p0.w);
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const vfloat4 b0 = vfloat4(geom->normal(primID(0), itime));
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const vfloat4 b1 = vfloat4(geom->normal(primID(1), itime));
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const vfloat4 b2 = vfloat4(geom->normal(primID(2), itime));
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const vfloat4 b3 = vfloat4(geom->normal(primID(3), itime));
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const vfloat4 b4 = vfloat4(geom->normal(primID(4), itime));
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const vfloat4 b5 = vfloat4(geom->normal(primID(5), itime));
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const vfloat4 b6 = vfloat4(geom->normal(primID(6), itime));
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const vfloat4 b7 = vfloat4(geom->normal(primID(7), itime));
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transpose(b0, b1, b2, b3, b4, b5, b6, b7, n0.x, n0.y, n0.z);
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}
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template<>
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__forceinline void PointMi<8>::gather(Vec4vf8& p0, const Points* geom, float time) const
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{
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float ftime;
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const int itime = geom->timeSegment(time, ftime);
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Vec4vf8 a0;
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gatheri(a0, geom, itime);
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Vec4vf8 b0;
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gatheri(b0, geom, itime + 1);
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p0 = lerp(a0, b0, vfloat8(ftime));
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}
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template<>
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__forceinline void PointMi<8>::gather(Vec4vf8& p0, Vec3vf8& n0, const Points* geom, float time) const
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{
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float ftime;
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const int itime = geom->timeSegment(time, ftime);
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Vec4vf8 a0, b0;
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Vec3vf8 norm0, norm1;
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gatheri(a0, norm0, geom, itime);
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gatheri(b0, norm1, geom, itime + 1);
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p0 = lerp(a0, b0, vfloat8(ftime));
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n0 = lerp(norm0, norm1, vfloat8(ftime));
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}
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#endif
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template<int M>
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typename PointMi<M>::Type PointMi<M>::type;
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typedef PointMi<4> Point4i;
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typedef PointMi<8> Point8i;
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} // namespace embree
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