129 lines
4.0 KiB
C
129 lines
4.0 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) 2008-2025 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_SMOOTHING_H
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#define PXG_SMOOTHING_H
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#include "foundation/PxSimpleTypes.h"
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#include "foundation/PxVec4.h"
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#include "foundation/PxArray.h"
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#include "PxSmoothing.h"
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#include "PxgKernelWrangler.h"
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#include "PxgAnisotropyData.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 PxgSmoothedPositionGenerator : public PxSmoothedPositionGenerator, public PxUserAllocated
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{
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private:
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PxgKernelLauncher mKernelLauncher;
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PxSmoothedPositionData mPositionSmoothingDataHost;
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PxSmoothedPositionData* mPositionSmoothingDataPerParticleSystemDevice;
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PxU32 mNumParticles;
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bool mDirty;
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bool mOwnsSmoothedPositionGPUBuffers;
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PxVec4* mSmoothedPositions;
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bool mEnabled;
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void releaseGPUSmoothedPositionBuffers();
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void allocateGPUSmoothedPositionBuffers();
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public:
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PxgSmoothedPositionGenerator(PxgKernelLauncher& cudaContextManager, PxU32 maxNumParticles, PxReal smoothingStrenght);
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virtual ~PxgSmoothedPositionGenerator() { }
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virtual void setSmoothing(float smoothingStrenght)
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{
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mPositionSmoothingDataHost.mSmoothing = smoothingStrenght;
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mDirty = true;
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}
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virtual void release();
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//Replaces the former readData method
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virtual void setResultBufferHost(PxVec4* smoothedPositions)
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{
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mSmoothedPositions = smoothedPositions;
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allocateGPUSmoothedPositionBuffers();
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mDirty = true;
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}
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virtual void setResultBufferDevice(PxVec4* smoothedPositions)
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{
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if (mOwnsSmoothedPositionGPUBuffers)
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releaseGPUSmoothedPositionBuffers();
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mPositionSmoothingDataHost.mPositions = smoothedPositions;
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mDirty = true;
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mSmoothedPositions = NULL;
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}
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virtual void generateSmoothedPositions(PxGpuParticleSystem* gpuParticleSystem, PxU32 numParticles, CUstream stream);
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virtual void generateSmoothedPositions(PxVec4* particlePositionsGpu, PxParticleNeighborhoodProvider& neighborhoodProvider, PxU32 numParticles, PxReal particleContactOffset, CUstream stream);
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virtual PxU32 getMaxParticles() const
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{
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return mNumParticles;
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}
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virtual void setMaxParticles(PxU32 maxParticles);
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virtual PxVec4* getSmoothedPositionsDevicePointer() const
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{
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return mPositionSmoothingDataHost.mPositions;
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}
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virtual void setEnabled(bool enabled)
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{
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mEnabled = enabled;
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}
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virtual bool isEnabled() const
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{
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return 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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