feat(physics): wire physx sdk into build

engine/third_party/physx/source/gpusimulationcontroller/include/PxgAnisotropy.h

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+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//  * Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//  * Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//  * Neither the name of NVIDIA CORPORATION nor the names of its
+//    contributors may be used to endorse or promote products derived
+//    from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Copyright (c) 2008-2025 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
+
+#ifndef PXG_ANISOTROPY_H
+#define PXG_ANISOTROPY_H
+
+
+#include "PxAnisotropy.h"
+#include "PxgAnisotropyData.h"
+#include "foundation/PxUserAllocated.h"
+#include "PxgKernelLauncher.h"
+
+#if !PX_DOXYGEN
+namespace physx
+{
+#endif
+
+#if PX_SUPPORT_GPU_PHYSX		
+
+	class PxgAnisotropyGenerator : public PxAnisotropyGenerator, public PxUserAllocated
+	{
+		PxgKernelLauncher mKernelLauncher;
+		PxAnisotropyData mAnisotropyDataHost;
+		PxAnisotropyData* mAnisotropyDataPerParticleSystemDevice;
+		PxU32 mNumParticles;
+		bool mDirty;
+		bool mOwnsAnisotropyGPUBuffers;
+		PxVec4* mAnisotropy1;
+		PxVec4* mAnisotropy2;
+		PxVec4* mAnisotropy3;
+		bool mEnabled;
+
+		void releaseGPUAnisotropyBuffers();
+
+		void allocateGPUAnisotropyBuffers();
+
+	public:
+
+		PxgAnisotropyGenerator(PxgKernelLauncher& cudaContextManager, PxU32 maxNumParticles, PxReal anisotropyScale, PxReal minAnisotropy, PxReal maxAnisotropy);
+
+		virtual ~PxgAnisotropyGenerator() { }
+
+		virtual void setAnisotropyMax(float maxAnisotropy)
+		{
+			mAnisotropyDataHost.mAnisotropyMax = maxAnisotropy;
+			mDirty = true;
+		}
+
+		virtual void setAnisotropyMin(float minAnisotropy)
+		{
+			mAnisotropyDataHost.mAnisotropyMin = minAnisotropy;
+			mDirty = true;
+		}
+
+		virtual void setAnisotropyScale(float anisotropyScale)
+		{
+			mAnisotropyDataHost.mAnisotropy = anisotropyScale;
+			mDirty = true;
+		}
+
+		virtual void release();
+
+		virtual void setResultBufferHost(PxVec4* anisotropy1, PxVec4* anisotropy2, PxVec4* anisotropy3);
+
+		virtual void setResultBufferDevice(PxVec4* anisotropy1, PxVec4* anisotropy2, PxVec4* anisotropy3);
+
+		virtual void generateAnisotropy(PxGpuParticleSystem* gpuParticleSystem, PxU32 numParticles, CUstream stream);
+
+		virtual void generateAnisotropy(PxVec4* particlePositionsGpu, PxParticleNeighborhoodProvider& neighborhoodProvider, PxU32 numParticles, PxReal particleContactOffset, CUstream stream);
+
+		virtual PxU32 getMaxParticles() const
+		{
+			return mNumParticles;
+		}
+
+		virtual void setMaxParticles(PxU32 maxParticles);
+
+		virtual PxVec4* getAnisotropy1DevicePointer() const
+		{
+			return mAnisotropyDataHost.mAnisotropy_q1;
+		}
+
+		virtual PxVec4* getAnisotropy2DevicePointer() const
+		{
+			return mAnisotropyDataHost.mAnisotropy_q2;
+		}
+
+		virtual PxVec4* getAnisotropy3DevicePointer() const
+		{
+			return mAnisotropyDataHost.mAnisotropy_q3;
+		}
+
+		virtual void setEnabled(bool enabled)
+		{
+			mEnabled = enabled;
+		}
+
+		virtual bool isEnabled() const
+		{
+			return mEnabled;
+		}
+	};
+
+#endif	
+
+#if !PX_DOXYGEN
+} // namespace physx
+#endif
+
+#endif