feat(physics): wire physx sdk into build
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engine/third_party/physx/source/gpusimulationcontroller/include/PxgIsosurfaceExtraction.h
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engine/third_party/physx/source/gpusimulationcontroller/include/PxgIsosurfaceExtraction.h
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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) 2008-2025 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 PXG_ISOSURFACE_EXTRACTION_H
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#define PXG_ISOSURFACE_EXTRACTION_H
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#include "foundation/PxSimpleTypes.h"
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#include "foundation/PxVec4.h"
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#include "PxSparseGridParams.h"
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#include "foundation/PxArray.h"
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#include "PxIsosurfaceExtraction.h"
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#include "PxgSparseGridStandalone.h"
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#include "PxgAlgorithms.h"
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#include "PxgIsosurfaceData.h"
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#include "PxgKernelLauncher.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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class PxgSharedIsosurfaceExtractor
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{
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public:
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bool mEnabled;
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PxIsosurfaceParams mIsosurfaceParams;
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PxGpuScan mScan;
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PxgKernelLauncher mKernelLauncher;
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PxU32* mNumVerticesNumIndices;
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bool mOwnsOutputGPUBuffers;
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PxVec4* mVertices;
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PxVec4* mNormals;
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PxU32* mTriIndices;
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//public:
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PxgSharedIsosurfaceExtractor() : mEnabled(true), mKernelLauncher(), mNumVerticesNumIndices(NULL), mOwnsOutputGPUBuffers(false),
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mVertices(NULL), mNormals(NULL), mTriIndices(NULL)
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{}
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virtual ~PxgSharedIsosurfaceExtractor() {}
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template<typename DenseOrSparseGpuDataPackage>
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void extractIso(DenseOrSparseGpuDataPackage& mData, PxVec4* deviceParticlePos, const PxU32 numParticles, CUstream stream, PxU32* phases, PxU32 validPhaseMask,
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PxU32* activeIndices = NULL, PxVec4* anisotropy1 = NULL, PxVec4* anisotropy2 = NULL, PxVec4* anisotropy3 = NULL, PxReal anisotropyFactor = 1.0f);
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template<typename DenseOrSparseGpuDataPackage>
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void meshFromDensity(DenseOrSparseGpuDataPackage& mData, CUstream stream);
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};
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/**
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\brief GPU based isosurface extractor operating on a sparse grid
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*/
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class PxgSparseGridIsosurfaceExtractor : public PxSparseGridIsosurfaceExtractor, public PxUserAllocated
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{
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protected:
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PxgSharedIsosurfaceExtractor mShared;
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PxSparseIsosurfaceExtractionData mData;
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PxSparseGridBuilder mSparseGrid;
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void paramsToMCData();
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virtual void setMaxVerticesAndTriangles(PxU32 maxIsosurfaceVertices, PxU32 maxIsosurfaceTriangles);
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virtual void releaseGPUBuffers();
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virtual void allocateGPUBuffers();
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public:
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PxgSparseGridIsosurfaceExtractor() : mShared()
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{}
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PxgSparseGridIsosurfaceExtractor(PxgKernelLauncher& cudaContextManager, const PxSparseGridParams sparseGridParams,
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const PxIsosurfaceParams& isosurfaceParams, PxU32 maxNumParticles, PxU32 maxNumVertices, PxU32 maxNumTriangles) : mShared()
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{
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initialize(cudaContextManager, sparseGridParams, isosurfaceParams, maxNumParticles, maxNumVertices, maxNumTriangles);
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}
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virtual void setResultBufferDevice(PxVec4* vertices, PxU32* triIndices, PxVec4* normals);
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virtual ~PxgSparseGridIsosurfaceExtractor() { }
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void initialize(PxgKernelLauncher& cudaContextManager, const PxSparseGridParams sparseGridParams,
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const PxIsosurfaceParams& isosurfaceParams, PxU32 maxNumParticles, PxU32 maxNumVertices, PxU32 maxNumTriangles);
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virtual void release();
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virtual void setIsosurfaceParams(const PxIsosurfaceParams& params)
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{
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mShared.mIsosurfaceParams = params;
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paramsToMCData();
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}
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virtual void clearDensity(CUstream stream);
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virtual PxU32 getMaxParticles() const
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{
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return mSparseGrid.getMaxParticles();
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}
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virtual PxU32 getMaxVertices() const
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{
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return mData.maxVerts;
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}
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virtual PxU32 getMaxTriangles() const
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{
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return mData.maxTriIds / 3;
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}
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virtual void setMaxParticles(PxU32 maxParticles);
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virtual void extractIsosurface(PxVec4* deviceParticlePos, const PxU32 numParticles, CUstream stream, PxU32* phases = NULL, PxU32 validPhaseMask = PxParticlePhaseFlag::eParticlePhaseFluid,
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PxU32* activeIndices = NULL, PxVec4* anisotropy1 = NULL, PxVec4* anisotropy2 = NULL, PxVec4* anisotropy3 = NULL, PxReal anisotropyFactor = 1.0f);
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virtual void setResultBufferHost(PxVec4* vertices, PxU32* triIndices, PxVec4* normals);
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virtual PxIsosurfaceParams getIsosurfaceParams() const
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{
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return mShared.mIsosurfaceParams;
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}
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virtual PxU32 getNumVertices() const
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{
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if (!mShared.mNumVerticesNumIndices)
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return 0;
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return mShared.mNumVerticesNumIndices[0];
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}
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virtual PxU32 getNumTriangles() const
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{
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if (!mShared.mNumVerticesNumIndices)
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return 0;
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return mShared.mNumVerticesNumIndices[1] / 3;
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}
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virtual void setEnabled(bool enabled)
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{
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mShared.mEnabled = enabled;
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}
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virtual bool isEnabled() const
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{
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return mShared.mEnabled;
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}
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virtual PxSparseGridParams getSparseGridParams() const
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{
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return mSparseGrid.getGridParameters();
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}
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virtual void setSparseGridParams(const PxSparseGridParams& params)
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{
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mSparseGrid.setGridParameters(params);
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}
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};
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/**
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\brief GPU based isosurface extractor operating on a dense grid
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*/
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class PxgDenseGridIsosurfaceExtractor : public PxIsosurfaceExtractor, public PxUserAllocated
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{
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protected:
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PxgSharedIsosurfaceExtractor mShared;
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PxIsosurfaceExtractionData mData;
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PxU32 mMaxParticles; //For compatibility with sparse grid isosurface extractor. There is no upper particle limit on the dense grid extractor.
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void paramsToMCData();
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virtual void setMaxVerticesAndTriangles(PxU32 maxIsosurfaceVertices, PxU32 maxIsosurfaceTriangles);
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virtual void releaseGPUBuffers();
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virtual void allocateGPUBuffers();
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public:
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PxgDenseGridIsosurfaceExtractor() : mShared()
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{}
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PxgDenseGridIsosurfaceExtractor(PxgKernelLauncher& cudaContextManager, const PxBounds3& worldBounds,
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PxReal cellSize, const PxIsosurfaceParams& isosurfaceParams, PxU32 maxNumParticles, PxU32 maxNumVertices, PxU32 maxNumTriangles) : mShared()
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{
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initialize(cudaContextManager, worldBounds, cellSize, isosurfaceParams, maxNumParticles, maxNumVertices, maxNumTriangles);
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}
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virtual void setResultBufferDevice(PxVec4* vertices, PxU32* triIndices, PxVec4* normals);
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virtual ~PxgDenseGridIsosurfaceExtractor() { }
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void initialize(PxgKernelLauncher& cudaContextManager, const PxBounds3& worldBounds,
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PxReal cellSize, const PxIsosurfaceParams& isosurfaceParams, PxU32 maxNumParticles, PxU32 maxNumVertices, PxU32 maxNumTriangles);
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virtual void release();
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virtual void setIsosurfaceParams(const PxIsosurfaceParams& params)
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{
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mShared.mIsosurfaceParams = params;
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paramsToMCData();
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}
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virtual void clearDensity(CUstream stream);
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virtual PxU32 getMaxParticles() const
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{
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return mMaxParticles;
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}
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virtual PxU32 getMaxVertices() const
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{
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return mData.maxVerts;
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}
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virtual PxU32 getMaxTriangles() const
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{
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return mData.maxTriIds / 3;
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}
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virtual void setMaxParticles(PxU32 maxParticles)
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{
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//No need to resize internal buffers on the dense grid isosurface;
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mMaxParticles = maxParticles;
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}
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virtual void extractIsosurface(PxVec4* deviceParticlePos, const PxU32 numParticles, CUstream stream, PxU32* phases = NULL, PxU32 validPhaseMask = PxParticlePhaseFlag::eParticlePhaseFluid,
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PxU32* activeIndices = NULL, PxVec4* anisotropy1 = NULL, PxVec4* anisotropy2 = NULL, PxVec4* anisotropy3 = NULL, PxReal anisotropyFactor = 1.0f);
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virtual void setResultBufferHost(PxVec4* vertices, PxU32* triIndices, PxVec4* normals);
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virtual PxIsosurfaceParams getIsosurfaceParams() const
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{
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return mShared.mIsosurfaceParams;
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}
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virtual PxU32 getNumVertices() const
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{
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if (!mShared.mNumVerticesNumIndices)
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return 0;
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return mShared.mNumVerticesNumIndices[0];
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}
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virtual PxU32 getNumTriangles() const
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{
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if (!mShared.mNumVerticesNumIndices)
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return 0;
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return mShared.mNumVerticesNumIndices[1] / 3;
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}
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virtual void setEnabled(bool enabled)
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{
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mShared.mEnabled = enabled;
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}
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virtual bool isEnabled() const
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{
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return mShared.mEnabled;
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}
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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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#endif
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