Mantaflow [Part 1]: Added preprocessed Mantaflow source files

Includes preprocessed Mantaflow source files for both OpenMP and TBB (if OpenMP is not present, TBB files will be used instead).

These files come directly from the Mantaflow repository. Future updates to the core fluid solver will take place by updating the files.

Reviewed By: sergey, mont29

Maniphest Tasks: T59995

Differential Revision: https://developer.blender.org/D3850

1 files changed, 496 insertions, 0 deletions

diff --git a/extern/mantaflow/preprocessed/plugin/apic.cpp b/extern/mantaflow/preprocessed/plugin/apic.cpp
new file mode 100644
index 00000000000..6ff893014c9
--- /dev/null
+++ b/extern/mantaflow/preprocessed/plugin/apic.cpp
@@ -0,0 +1,496 @@
+
+
+// DO NOT EDIT !
+// This file is generated using the MantaFlow preprocessor (prep generate).
+
+// ----------------------------------------------------------------------------
+//
+// MantaFlow fluid solver framework
+// Copyright 2016-2017 Kiwon Um, Nils Thuerey
+//
+// This program is free software, distributed under the terms of the
+// Apache License, Version 2.0
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Affine Particle-In-Cell
+//
+// ----------------------------------------------------------------------------
+
+#include "particle.h"
+#include "grid.h"
+
+namespace Manta {
+
+struct knApicMapLinearVec3ToMACGrid : public KernelBase {
+  knApicMapLinearVec3ToMACGrid(const BasicParticleSystem &p,
+                               MACGrid &mg,
+                               MACGrid &vg,
+                               const ParticleDataImpl<Vec3> &vp,
+                               const ParticleDataImpl<Vec3> &cpx,
+                               const ParticleDataImpl<Vec3> &cpy,
+                               const ParticleDataImpl<Vec3> &cpz,
+                               const ParticleDataImpl<int> *ptype,
+                               const int exclude)
+      : KernelBase(p.size()),
+        p(p),
+        mg(mg),
+        vg(vg),
+        vp(vp),
+        cpx(cpx),
+        cpy(cpy),
+        cpz(cpz),
+        ptype(ptype),
+        exclude(exclude)
+  {
+    runMessage();
+    run();
+  }
+  inline void op(IndexInt idx,
+                 const BasicParticleSystem &p,
+                 MACGrid &mg,
+                 MACGrid &vg,
+                 const ParticleDataImpl<Vec3> &vp,
+                 const ParticleDataImpl<Vec3> &cpx,
+                 const ParticleDataImpl<Vec3> &cpy,
+                 const ParticleDataImpl<Vec3> &cpz,
+                 const ParticleDataImpl<int> *ptype,
+                 const int exclude)
+  {
+    if (!p.isActive(idx) || (ptype && ((*ptype)[idx] & exclude)))
+      return;
+    const IndexInt dX[2] = {0, vg.getStrideX()};
+    const IndexInt dY[2] = {0, vg.getStrideY()};
+    const IndexInt dZ[2] = {0, vg.getStrideZ()};
+
+    const Vec3 &pos = p[idx].pos, &vel = vp[idx];
+    const IndexInt fi = static_cast<IndexInt>(pos.x), fj = static_cast<IndexInt>(pos.y),
+                   fk = static_cast<IndexInt>(pos.z);
+    const IndexInt ci = static_cast<IndexInt>(pos.x - 0.5),
+                   cj = static_cast<IndexInt>(pos.y - 0.5),
+                   ck = static_cast<IndexInt>(pos.z - 0.5);
+    const Real wfi = clamp(pos.x - fi, Real(0), Real(1)),
+               wfj = clamp(pos.y - fj, Real(0), Real(1)),
+               wfk = clamp(pos.z - fk, Real(0), Real(1));
+    const Real wci = clamp(Real(pos.x - ci - 0.5), Real(0), Real(1)),
+               wcj = clamp(Real(pos.y - cj - 0.5), Real(0), Real(1)),
+               wck = clamp(Real(pos.z - ck - 0.5), Real(0), Real(1));
+    // TODO: check index for safety
+    {  // u-face
+      const IndexInt gidx = fi * dX[1] + cj * dY[1] + ck * dZ[1];
+      const Vec3 gpos(fi, cj + 0.5, ck + 0.5);
+      const Real wi[2] = {Real(1) - wfi, wfi};
+      const Real wj[2] = {Real(1) - wcj, wcj};
+      const Real wk[2] = {Real(1) - wck, wck};
+      for (int i = 0; i < 2; ++i)
+        for (int j = 0; j < 2; ++j)
+          for (int k = 0; k < 2; ++k) {
+            const Real w = wi[i] * wj[j] * wk[k];
+            mg[gidx + dX[i] + dY[j] + dZ[k]].x += w;
+            vg[gidx + dX[i] + dY[j] + dZ[k]].x += w * vel.x;
+            vg[gidx + dX[i] + dY[j] + dZ[k]].x += w * dot(cpx[idx], gpos + Vec3(i, j, k) - pos);
+          }
+    }
+    {  // v-face
+      const IndexInt gidx = ci * dX[1] + fj * dY[1] + ck * dZ[1];
+      const Vec3 gpos(ci + 0.5, fj, ck + 0.5);
+      const Real wi[2] = {Real(1) - wci, wci};
+      const Real wj[2] = {Real(1) - wfj, wfj};
+      const Real wk[2] = {Real(1) - wck, wck};
+      for (int i = 0; i < 2; ++i)
+        for (int j = 0; j < 2; ++j)
+          for (int k = 0; k < 2; ++k) {
+            const Real w = wi[i] * wj[j] * wk[k];
+            mg[gidx + dX[i] + dY[j] + dZ[k]].y += w;
+            vg[gidx + dX[i] + dY[j] + dZ[k]].y += w * vel.y;
+            vg[gidx + dX[i] + dY[j] + dZ[k]].y += w * dot(cpy[idx], gpos + Vec3(i, j, k) - pos);
+          }
+    }
+    if (!vg.is3D())
+      return;
+    {  // w-face
+      const IndexInt gidx = ci * dX[1] + cj * dY[1] + fk * dZ[1];
+      const Vec3 gpos(ci + 0.5, cj + 0.5, fk);
+      const Real wi[2] = {Real(1) - wci, wci};
+      const Real wj[2] = {Real(1) - wcj, wcj};
+      const Real wk[2] = {Real(1) - wfk, wfk};
+      for (int i = 0; i < 2; ++i)
+        for (int j = 0; j < 2; ++j)
+          for (int k = 0; k < 2; ++k) {
+            const Real w = wi[i] * wj[j] * wk[k];
+            mg[gidx + dX[i] + dY[j] + dZ[k]].z += w;
+            vg[gidx + dX[i] + dY[j] + dZ[k]].z += w * vel.z;
+            vg[gidx + dX[i] + dY[j] + dZ[k]].z += w * dot(cpz[idx], gpos + Vec3(i, j, k) - pos);
+          }
+    }
+  }
+  inline const BasicParticleSystem &getArg0()
+  {
+    return p;
+  }
+  typedef BasicParticleSystem type0;
+  inline MACGrid &getArg1()
+  {
+    return mg;
+  }
+  typedef MACGrid type1;
+  inline MACGrid &getArg2()
+  {
+    return vg;
+  }
+  typedef MACGrid type2;
+  inline const ParticleDataImpl<Vec3> &getArg3()
+  {
+    return vp;
+  }
+  typedef ParticleDataImpl<Vec3> type3;
+  inline const ParticleDataImpl<Vec3> &getArg4()
+  {
+    return cpx;
+  }
+  typedef ParticleDataImpl<Vec3> type4;
+  inline const ParticleDataImpl<Vec3> &getArg5()
+  {
+    return cpy;
+  }
+  typedef ParticleDataImpl<Vec3> type5;
+  inline const ParticleDataImpl<Vec3> &getArg6()
+  {
+    return cpz;
+  }
+  typedef ParticleDataImpl<Vec3> type6;
+  inline const ParticleDataImpl<int> *getArg7()
+  {
+    return ptype;
+  }
+  typedef ParticleDataImpl<int> type7;
+  inline const int &getArg8()
+  {
+    return exclude;
+  }
+  typedef int type8;
+  void runMessage()
+  {
+    debMsg("Executing kernel knApicMapLinearVec3ToMACGrid ", 3);
+    debMsg("Kernel range"
+               << " size " << size << " ",
+           4);
+  };
+  void run()
+  {
+    const IndexInt _sz = size;
+    for (IndexInt i = 0; i < _sz; i++)
+      op(i, p, mg, vg, vp, cpx, cpy, cpz, ptype, exclude);
+  }
+  const BasicParticleSystem &p;
+  MACGrid &mg;
+  MACGrid &vg;
+  const ParticleDataImpl<Vec3> &vp;
+  const ParticleDataImpl<Vec3> &cpx;
+  const ParticleDataImpl<Vec3> &cpy;
+  const ParticleDataImpl<Vec3> &cpz;
+  const ParticleDataImpl<int> *ptype;
+  const int exclude;
+};
+
+void apicMapPartsToMAC(const FlagGrid &flags,
+                       MACGrid &vel,
+                       const BasicParticleSystem &parts,
+                       const ParticleDataImpl<Vec3> &partVel,
+                       const ParticleDataImpl<Vec3> &cpx,
+                       const ParticleDataImpl<Vec3> &cpy,
+                       const ParticleDataImpl<Vec3> &cpz,
+                       MACGrid *mass = NULL,
+                       const ParticleDataImpl<int> *ptype = NULL,
+                       const int exclude = 0)
+{
+  // affine map
+  // let's assume that the particle mass is constant, 1.0
+  const bool freeMass = !mass;
+  if (!mass)
+    mass = new MACGrid(flags.getParent());
+  else
+    mass->clear();
+
+  vel.clear();
+  knApicMapLinearVec3ToMACGrid(parts, *mass, vel, partVel, cpx, cpy, cpz, ptype, exclude);
+  mass->stomp(VECTOR_EPSILON);
+  vel.safeDivide(*mass);
+
+  if (freeMass)
+    delete mass;
+}
+static PyObject *_W_0(PyObject *_self, PyObject *_linargs, PyObject *_kwds)
+{
+  try {
+    PbArgs _args(_linargs, _kwds);
+    FluidSolver *parent = _args.obtainParent();
+    bool noTiming = _args.getOpt<bool>("notiming", -1, 0);
+    pbPreparePlugin(parent, "apicMapPartsToMAC", !noTiming);
+    PyObject *_retval = 0;
+    {
+      ArgLocker _lock;
+      const FlagGrid &flags = *_args.getPtr<FlagGrid>("flags", 0, &_lock);
+      MACGrid &vel = *_args.getPtr<MACGrid>("vel", 1, &_lock);
+      const BasicParticleSystem &parts = *_args.getPtr<BasicParticleSystem>("parts", 2, &_lock);
+      const ParticleDataImpl<Vec3> &partVel = *_args.getPtr<ParticleDataImpl<Vec3>>(
+          "partVel", 3, &_lock);
+      const ParticleDataImpl<Vec3> &cpx = *_args.getPtr<ParticleDataImpl<Vec3>>("cpx", 4, &_lock);
+      const ParticleDataImpl<Vec3> &cpy = *_args.getPtr<ParticleDataImpl<Vec3>>("cpy", 5, &_lock);
+      const ParticleDataImpl<Vec3> &cpz = *_args.getPtr<ParticleDataImpl<Vec3>>("cpz", 6, &_lock);
+      MACGrid *mass = _args.getPtrOpt<MACGrid>("mass", 7, NULL, &_lock);
+      const ParticleDataImpl<int> *ptype = _args.getPtrOpt<ParticleDataImpl<int>>(
+          "ptype", 8, NULL, &_lock);
+      const int exclude = _args.getOpt<int>("exclude", 9, 0, &_lock);
+      _retval = getPyNone();
+      apicMapPartsToMAC(flags, vel, parts, partVel, cpx, cpy, cpz, mass, ptype, exclude);
+      _args.check();
+    }
+    pbFinalizePlugin(parent, "apicMapPartsToMAC", !noTiming);
+    return _retval;
+  }
+  catch (std::exception &e) {
+    pbSetError("apicMapPartsToMAC", e.what());
+    return 0;
+  }
+}
+static const Pb::Register _RP_apicMapPartsToMAC("", "apicMapPartsToMAC", _W_0);
+extern "C" {
+void PbRegister_apicMapPartsToMAC()
+{
+  KEEP_UNUSED(_RP_apicMapPartsToMAC);
+}
+}
+
+struct knApicMapLinearMACGridToVec3 : public KernelBase {
+  knApicMapLinearMACGridToVec3(ParticleDataImpl<Vec3> &vp,
+                               ParticleDataImpl<Vec3> &cpx,
+                               ParticleDataImpl<Vec3> &cpy,
+                               ParticleDataImpl<Vec3> &cpz,
+                               const BasicParticleSystem &p,
+                               const MACGrid &vg,
+                               const FlagGrid &flags,
+                               const ParticleDataImpl<int> *ptype,
+                               const int exclude)
+      : KernelBase(vp.size()),
+        vp(vp),
+        cpx(cpx),
+        cpy(cpy),
+        cpz(cpz),
+        p(p),
+        vg(vg),
+        flags(flags),
+        ptype(ptype),
+        exclude(exclude)
+  {
+    runMessage();
+    run();
+  }
+  inline void op(IndexInt idx,
+                 ParticleDataImpl<Vec3> &vp,
+                 ParticleDataImpl<Vec3> &cpx,
+                 ParticleDataImpl<Vec3> &cpy,
+                 ParticleDataImpl<Vec3> &cpz,
+                 const BasicParticleSystem &p,
+                 const MACGrid &vg,
+                 const FlagGrid &flags,
+                 const ParticleDataImpl<int> *ptype,
+                 const int exclude) const
+  {
+    if (!p.isActive(idx) || (ptype && ((*ptype)[idx] & exclude)))
+      return;
+
+    vp[idx] = cpx[idx] = cpy[idx] = cpz[idx] = Vec3(Real(0));
+    const IndexInt dX[2] = {0, vg.getStrideX()}, dY[2] = {0, vg.getStrideY()},
+                   dZ[2] = {0, vg.getStrideZ()};
+    const Real gw[2] = {-Real(1), Real(1)};
+
+    const Vec3 &pos = p[idx].pos;
+    const IndexInt fi = static_cast<IndexInt>(pos.x), fj = static_cast<IndexInt>(pos.y),
+                   fk = static_cast<IndexInt>(pos.z);
+    const IndexInt ci = static_cast<IndexInt>(pos.x - 0.5),
+                   cj = static_cast<IndexInt>(pos.y - 0.5),
+                   ck = static_cast<IndexInt>(pos.z - 0.5);
+    const Real wfi = clamp(pos.x - fi, Real(0), Real(1)),
+               wfj = clamp(pos.y - fj, Real(0), Real(1)),
+               wfk = clamp(pos.z - fk, Real(0), Real(1));
+    const Real wci = clamp(Real(pos.x - ci - 0.5), Real(0), Real(1)),
+               wcj = clamp(Real(pos.y - cj - 0.5), Real(0), Real(1)),
+               wck = clamp(Real(pos.z - ck - 0.5), Real(0), Real(1));
+    // TODO: check index for safety
+    {  // u
+      const IndexInt gidx = fi * dX[1] + cj * dY[1] + ck * dZ[1];
+      const Real wx[2] = {Real(1) - wfi, wfi};
+      const Real wy[2] = {Real(1) - wcj, wcj};
+      const Real wz[2] = {Real(1) - wck, wck};
+      for (int i = 0; i < 2; ++i)
+        for (int j = 0; j < 2; ++j)
+          for (int k = 0; k < 2; ++k) {
+            const IndexInt vidx = gidx + dX[i] + dY[j] + dZ[k];
+            Real vgx = vg[vidx].x;
+            vp[idx].x += wx[i] * wy[j] * wz[k] * vgx;
+            cpx[idx].x += gw[i] * wy[j] * wz[k] * vgx;
+            cpx[idx].y += wx[i] * gw[j] * wz[k] * vgx;
+            cpx[idx].z += wx[i] * wy[j] * gw[k] * vgx;
+          }
+    }
+    {  // v
+      const IndexInt gidx = ci * dX[1] + fj * dY[1] + ck * dZ[1];
+      const Real wx[2] = {Real(1) - wci, wci};
+      const Real wy[2] = {Real(1) - wfj, wfj};
+      const Real wz[2] = {Real(1) - wck, wck};
+      for (int i = 0; i < 2; ++i)
+        for (int j = 0; j < 2; ++j)
+          for (int k = 0; k < 2; ++k) {
+            const IndexInt vidx = gidx + dX[i] + dY[j] + dZ[k];
+            Real vgy = vg[vidx].y;
+            vp[idx].y += wx[i] * wy[j] * wz[k] * vgy;
+            cpy[idx].x += gw[i] * wy[j] * wz[k] * vgy;
+            cpy[idx].y += wx[i] * gw[j] * wz[k] * vgy;
+            cpy[idx].z += wx[i] * wy[j] * gw[k] * vgy;
+          }
+    }
+    if (!vg.is3D())
+      return;
+    {  // w
+      const IndexInt gidx = ci * dX[1] + cj * dY[1] + fk * dZ[1];
+      const Real wx[2] = {Real(1) - wci, wci};
+      const Real wy[2] = {Real(1) - wcj, wcj};
+      const Real wz[2] = {Real(1) - wfk, wfk};
+      for (int i = 0; i < 2; ++i)
+        for (int j = 0; j < 2; ++j)
+          for (int k = 0; k < 2; ++k) {
+            const IndexInt vidx = gidx + dX[i] + dY[j] + dZ[k];
+            Real vgz = vg[vidx].z;
+            vp[idx].z += wx[i] * wy[j] * wz[k] * vgz;
+            cpz[idx].x += gw[i] * wy[j] * wz[k] * vgz;
+            cpz[idx].y += wx[i] * gw[j] * wz[k] * vgz;
+            cpz[idx].z += wx[i] * wy[j] * gw[k] * vgz;
+          }
+    }
+  }
+  inline ParticleDataImpl<Vec3> &getArg0()
+  {
+    return vp;
+  }
+  typedef ParticleDataImpl<Vec3> type0;
+  inline ParticleDataImpl<Vec3> &getArg1()
+  {
+    return cpx;
+  }
+  typedef ParticleDataImpl<Vec3> type1;
+  inline ParticleDataImpl<Vec3> &getArg2()
+  {
+    return cpy;
+  }
+  typedef ParticleDataImpl<Vec3> type2;
+  inline ParticleDataImpl<Vec3> &getArg3()
+  {
+    return cpz;
+  }
+  typedef ParticleDataImpl<Vec3> type3;
+  inline const BasicParticleSystem &getArg4()
+  {
+    return p;
+  }
+  typedef BasicParticleSystem type4;
+  inline const MACGrid &getArg5()
+  {
+    return vg;
+  }
+  typedef MACGrid type5;
+  inline const FlagGrid &getArg6()
+  {
+    return flags;
+  }
+  typedef FlagGrid type6;
+  inline const ParticleDataImpl<int> *getArg7()
+  {
+    return ptype;
+  }
+  typedef ParticleDataImpl<int> type7;
+  inline const int &getArg8()
+  {
+    return exclude;
+  }
+  typedef int type8;
+  void runMessage()
+  {
+    debMsg("Executing kernel knApicMapLinearMACGridToVec3 ", 3);
+    debMsg("Kernel range"
+               << " size " << size << " ",
+           4);
+  };
+  void operator()(const tbb::blocked_range<IndexInt> &__r) const
+  {
+    for (IndexInt idx = __r.begin(); idx != (IndexInt)__r.end(); idx++)
+      op(idx, vp, cpx, cpy, cpz, p, vg, flags, ptype, exclude);
+  }
+  void run()
+  {
+    tbb::parallel_for(tbb::blocked_range<IndexInt>(0, size), *this);
+  }
+  ParticleDataImpl<Vec3> &vp;
+  ParticleDataImpl<Vec3> &cpx;
+  ParticleDataImpl<Vec3> &cpy;
+  ParticleDataImpl<Vec3> &cpz;
+  const BasicParticleSystem &p;
+  const MACGrid &vg;
+  const FlagGrid &flags;
+  const ParticleDataImpl<int> *ptype;
+  const int exclude;
+};
+
+void apicMapMACGridToParts(ParticleDataImpl<Vec3> &partVel,
+                           ParticleDataImpl<Vec3> &cpx,
+                           ParticleDataImpl<Vec3> &cpy,
+                           ParticleDataImpl<Vec3> &cpz,
+                           const BasicParticleSystem &parts,
+                           const MACGrid &vel,
+                           const FlagGrid &flags,
+                           const ParticleDataImpl<int> *ptype = NULL,
+                           const int exclude = 0)
+{
+  knApicMapLinearMACGridToVec3(partVel, cpx, cpy, cpz, parts, vel, flags, ptype, exclude);
+}
+static PyObject *_W_1(PyObject *_self, PyObject *_linargs, PyObject *_kwds)
+{
+  try {
+    PbArgs _args(_linargs, _kwds);
+    FluidSolver *parent = _args.obtainParent();
+    bool noTiming = _args.getOpt<bool>("notiming", -1, 0);
+    pbPreparePlugin(parent, "apicMapMACGridToParts", !noTiming);
+    PyObject *_retval = 0;
+    {
+      ArgLocker _lock;
+      ParticleDataImpl<Vec3> &partVel = *_args.getPtr<ParticleDataImpl<Vec3>>(
+          "partVel", 0, &_lock);
+      ParticleDataImpl<Vec3> &cpx = *_args.getPtr<ParticleDataImpl<Vec3>>("cpx", 1, &_lock);
+      ParticleDataImpl<Vec3> &cpy = *_args.getPtr<ParticleDataImpl<Vec3>>("cpy", 2, &_lock);
+      ParticleDataImpl<Vec3> &cpz = *_args.getPtr<ParticleDataImpl<Vec3>>("cpz", 3, &_lock);
+      const BasicParticleSystem &parts = *_args.getPtr<BasicParticleSystem>("parts", 4, &_lock);
+      const MACGrid &vel = *_args.getPtr<MACGrid>("vel", 5, &_lock);
+      const FlagGrid &flags = *_args.getPtr<FlagGrid>("flags", 6, &_lock);
+      const ParticleDataImpl<int> *ptype = _args.getPtrOpt<ParticleDataImpl<int>>(
+          "ptype", 7, NULL, &_lock);
+      const int exclude = _args.getOpt<int>("exclude", 8, 0, &_lock);
+      _retval = getPyNone();
+      apicMapMACGridToParts(partVel, cpx, cpy, cpz, parts, vel, flags, ptype, exclude);
+      _args.check();
+    }
+    pbFinalizePlugin(parent, "apicMapMACGridToParts", !noTiming);
+    return _retval;
+  }
+  catch (std::exception &e) {
+    pbSetError("apicMapMACGridToParts", e.what());
+    return 0;
+  }
+}
+static const Pb::Register _RP_apicMapMACGridToParts("", "apicMapMACGridToParts", _W_1);
+extern "C" {
+void PbRegister_apicMapMACGridToParts()
+{
+  KEEP_UNUSED(_RP_apicMapMACGridToParts);
+}
+}
+
+}  // namespace Manta