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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#ifndef QUANTIZER_H
#define QUANTIZER_H
#include "foundation/Px.h"
namespace physx
{
//////////////////////////////////////////////////////////////////////////
// K-means quantization class
// see http://en.wikipedia.org/wiki/K-means_clustering
// implementation from John Ratcliff http://codesuppository.blogspot.ch/2010/12/k-means-clustering-algorithm.html
class Quantizer
{
public:
// quantize the input vertices
virtual const PxVec3* kmeansQuantize3D(PxU32 vcount,
const PxVec3 *vertices,
PxU32 stride,
bool denormalizeResults,
PxU32 maxVertices,
PxU32 &outVertsCount) = 0;
// returns the denormalized scale
virtual const PxVec3& getDenormalizeScale(void) const = 0;
// returns the denormalized center
virtual const PxVec3& getDenormalizeCenter(void) const = 0;
// release internal data
virtual void release(void) = 0;
protected:
virtual ~Quantizer(void)
{
}
};
// creates the quantizer class
Quantizer * createQuantizer(void);
}
#endif
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