88 lines
3.5 KiB
C++
88 lines
3.5 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) 2008-2025 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 PHYSX_SNIPPET_DEFORMABLE_VOLUME_H
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#define PHYSX_SNIPPET_DEFORMABLE_VOLUME_H
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#include "PxPhysicsAPI.h"
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#include "cudamanager/PxCudaContextManager.h"
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#include "cudamanager/PxCudaContext.h"
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#include "extensions/PxCudaHelpersExt.h"
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class DeformableVolume
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{
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public:
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DeformableVolume() :
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mPositionsInvMass(NULL),
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mDeformableVolume(NULL),
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mCudaContextManager(NULL)
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{ }
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DeformableVolume(physx::PxDeformableVolume* deformableVolume, physx::PxCudaContextManager* cudaContextManager) :
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mDeformableVolume(deformableVolume),
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mCudaContextManager(cudaContextManager)
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{
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mPositionsInvMass = PX_EXT_PINNED_MEMORY_ALLOC(physx::PxVec4, *cudaContextManager, deformableVolume->getCollisionMesh()->getNbVertices());
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}
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~DeformableVolume()
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{
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}
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void release()
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{
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if (mDeformableVolume)
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mDeformableVolume->release();
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PX_EXT_PINNED_MEMORY_FREE(*mCudaContextManager, mPositionsInvMass);
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}
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void copyDeformedVerticesFromGPUAsync(CUstream stream)
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{
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physx::PxTetrahedronMesh* tetMesh = mDeformableVolume->getCollisionMesh();
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physx::PxScopedCudaLock _lock(*mCudaContextManager);
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mCudaContextManager->getCudaContext()->memcpyDtoHAsync(mPositionsInvMass, reinterpret_cast<CUdeviceptr>(mDeformableVolume->getPositionInvMassBufferD()), tetMesh->getNbVertices() * sizeof(physx::PxVec4), stream);
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}
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void copyDeformedVerticesFromGPU()
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{
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physx::PxTetrahedronMesh* tetMesh = mDeformableVolume->getCollisionMesh();
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physx::PxScopedCudaLock _lock(*mCudaContextManager);
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mCudaContextManager->getCudaContext()->memcpyDtoH(mPositionsInvMass, reinterpret_cast<CUdeviceptr>(mDeformableVolume->getPositionInvMassBufferD()), tetMesh->getNbVertices() * sizeof(physx::PxVec4));
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}
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physx::PxVec4* mPositionsInvMass;
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physx::PxDeformableVolume* mDeformableVolume;
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physx::PxCudaContextManager* mCudaContextManager;
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};
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#endif // PHYSX_SNIPPET_DEFORMABLE_VOLUME_H
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