136 lines
4.1 KiB
C++
136 lines
4.1 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 PXG_ANISOTROPY_H
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#define PXG_ANISOTROPY_H
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#include "PxAnisotropy.h"
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#include "PxgAnisotropyData.h"
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#include "foundation/PxUserAllocated.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 PxgAnisotropyGenerator : public PxAnisotropyGenerator, public PxUserAllocated
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{
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PxgKernelLauncher mKernelLauncher;
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PxAnisotropyData mAnisotropyDataHost;
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PxAnisotropyData* mAnisotropyDataPerParticleSystemDevice;
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PxU32 mNumParticles;
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bool mDirty;
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bool mOwnsAnisotropyGPUBuffers;
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PxVec4* mAnisotropy1;
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PxVec4* mAnisotropy2;
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PxVec4* mAnisotropy3;
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bool mEnabled;
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void releaseGPUAnisotropyBuffers();
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void allocateGPUAnisotropyBuffers();
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public:
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PxgAnisotropyGenerator(PxgKernelLauncher& cudaContextManager, PxU32 maxNumParticles, PxReal anisotropyScale, PxReal minAnisotropy, PxReal maxAnisotropy);
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virtual ~PxgAnisotropyGenerator() { }
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virtual void setAnisotropyMax(float maxAnisotropy)
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{
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mAnisotropyDataHost.mAnisotropyMax = maxAnisotropy;
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mDirty = true;
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}
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virtual void setAnisotropyMin(float minAnisotropy)
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{
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mAnisotropyDataHost.mAnisotropyMin = minAnisotropy;
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mDirty = true;
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}
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virtual void setAnisotropyScale(float anisotropyScale)
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{
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mAnisotropyDataHost.mAnisotropy = anisotropyScale;
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mDirty = true;
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}
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virtual void release();
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virtual void setResultBufferHost(PxVec4* anisotropy1, PxVec4* anisotropy2, PxVec4* anisotropy3);
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virtual void setResultBufferDevice(PxVec4* anisotropy1, PxVec4* anisotropy2, PxVec4* anisotropy3);
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virtual void generateAnisotropy(PxGpuParticleSystem* gpuParticleSystem, PxU32 numParticles, CUstream stream);
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virtual void generateAnisotropy(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* getAnisotropy1DevicePointer() const
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{
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return mAnisotropyDataHost.mAnisotropy_q1;
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}
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virtual PxVec4* getAnisotropy2DevicePointer() const
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{
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return mAnisotropyDataHost.mAnisotropy_q2;
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}
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virtual PxVec4* getAnisotropy3DevicePointer() const
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{
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return mAnisotropyDataHost.mAnisotropy_q3;
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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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