135 lines
4.4 KiB
C++
135 lines
4.4 KiB
C++
// 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) 2008-2023 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 PX_PARTICLE_NEIGHBORHOOD_PROVIDER_H
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#define PX_PARTICLE_NEIGHBORHOOD_PROVIDER_H
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/** \addtogroup extensions
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@{
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*/
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#include "cudamanager/PxCudaContext.h"
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#include "cudamanager/PxCudaContextManager.h"
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#include "foundation/PxSimpleTypes.h"
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#include "foundation/PxVec4.h"
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#include "PxParticleSystem.h"
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#include "foundation/PxArray.h"
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#include "PxParticleGpu.h"
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#if !PX_DOXYGEN
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namespace physx
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{
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#endif
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#if PX_SUPPORT_GPU_PHYSX
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/**
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\brief Computes neighborhood information for a point cloud
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*/
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class PxParticleNeighborhoodProvider
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{
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public:
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/**
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\brief Schedules the compuation of neighborhood information on the specified cuda stream
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\param[in] deviceParticlePos A gpu pointer containing the particle positions
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\param[in] numParticles The number of particles
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\param[in] stream The stream on which the cuda call gets scheduled
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\param[in] devicePhases An optional gpu pointer with particle phases
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\param[in] validPhaseMask An optional phase mask to define which particles should be included into the neighborhood computation
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\param[in] deviceActiveIndices An optional device pointer containing all indices of particles that are currently active
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*/
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virtual void buildNeighborhood(PxVec4* deviceParticlePos, const PxU32 numParticles, CUstream stream, PxU32* devicePhases = NULL,
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PxU32 validPhaseMask = PxParticlePhaseFlag::eParticlePhaseFluid, const PxU32* deviceActiveIndices = NULL) = 0;
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/**
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\brief Gets the maximal number of particles
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\return The maximal number of particles
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*/
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virtual PxU32 getMaxParticles() const = 0;
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/**
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\brief Sets the maximal number of particles
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\param[in] maxParticles The maximal number of particles
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*/
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virtual void setMaxParticles(PxU32 maxParticles) = 0;
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/**
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\brief Gets the maximal number of grid cells
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\return The maximal number of grid cells
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*/
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virtual PxU32 getMaxGridCells() const = 0;
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/**
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\brief Gets the cell size
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\return The cell size
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*/
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virtual PxReal getCellSize() const = 0;
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/**
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\brief Gets the number of grid cells in use
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\return The number of grid cells in use
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*/
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virtual PxU32 getNumGridCellsInUse() const = 0;
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/**
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\brief Sets the maximal number of particles
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\param[in] maxGridCells The maximal number of grid cells
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\param[in] cellSize The cell size. Should be equal to 2*contactOffset for PBD particle systems.
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*/
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virtual void setCellProperties(PxU32 maxGridCells, PxReal cellSize) = 0;
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/**
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\brief Releases the instance and its data
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*/
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virtual void release() = 0;
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/**
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\brief Destructor
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*/
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virtual ~PxParticleNeighborhoodProvider() {}
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};
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#endif
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#if !PX_DOXYGEN
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} // namespace physx
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#endif
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/** @} */
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#endif
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