77 lines
2.7 KiB
C++
77 lines
2.7 KiB
C++
//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2019 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#ifndef QUANTIZER_H
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#define QUANTIZER_H
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#include "foundation/Px.h"
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namespace physx
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{
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//////////////////////////////////////////////////////////////////////////
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// K-means quantization class
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// see http://en.wikipedia.org/wiki/K-means_clustering
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// implementation from John Ratcliff http://codesuppository.blogspot.ch/2010/12/k-means-clustering-algorithm.html
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class Quantizer
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{
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public:
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// quantize the input vertices
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virtual const PxVec3* kmeansQuantize3D(PxU32 vcount,
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const PxVec3 *vertices,
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PxU32 stride,
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bool denormalizeResults,
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PxU32 maxVertices,
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PxU32 &outVertsCount) = 0;
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// returns the denormalized scale
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virtual const PxVec3& getDenormalizeScale(void) const = 0;
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// returns the denormalized center
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virtual const PxVec3& getDenormalizeCenter(void) const = 0;
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// release internal data
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virtual void release(void) = 0;
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protected:
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virtual ~Quantizer(void)
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{
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}
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};
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// creates the quantizer class
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Quantizer * createQuantizer(void);
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}
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#endif
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