CE_PointGrid.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * NAME: CE_PointGrid.h ( CE Library, C++)
 *
 * COMMENTS: GPU Uniform Radius Neighbor Search.
 */

#ifndef __CE_PointGrid__
#define __CE_PointGrid__

#include "CE_API.h"

#include <UT/UT_Error.h>
#include <UT/UT_String.h>

#ifdef CE_ENABLED

template <typename T>
class CE_API CE_PointGridT
{
public:
    CE_PointGridT(int npts, const cl::Buffer &P, const cl::Buffer &pscale,
                      const cl::Buffer &phase, const cl::Buffer &piece):
                      myNpts(npts),
                      myP(P),
                      myPscale(pscale),
                      myPhase(phase),
                      myPiece(piece) {}

    UT_ErrorSeverity findNeighbors(float radscale, int srcphase, int dstphase, cl::Buffer &neighboroffsets, cl::Buffer &neighbors,
                                   UT_String &errmsg);
    UT_ErrorSeverity deterministicP2G(
            const cl::Buffer &v,
            const cl::Buffer &density,
            const cl::Buffer &C,
            const int numtiles,
            const cl::Buffer &tilestartsxyz,
            const cl::Buffer &mass_vdb,
            const cl::Buffer &vel_vdb,
            const cl_float *xformtoworld,
            const cl::Buffer &dx,
            const cl::Buffer &gridscale,
            UT_String &errmsg);

private:
    const int myNpts;
    const cl::Buffer myP;
    const cl::Buffer myPscale;
    const cl::Buffer myPhase;
    const cl::Buffer myPiece;
};

#else

class CE_API CE_PointGrid
{
};

#endif
#endif