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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) 2008-2026 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 PX_ARRAY_CONVERTER_H
+ #define PX_ARRAY_CONVERTER_H
+
+ #include "cudamanager/PxCudaContext.h"
+ #include "cudamanager/PxCudaContextManager.h"
+
+ #include "foundation/PxSimpleTypes.h"
+ #include "foundation/PxVec4.h"
+
+
+ #if !PX_DOXYGEN
+ namespace physx
+ {
+ #endif
+
+ #if PX_SUPPORT_GPU_PHYSX
+
+ /**
+ \brief Utility class to convert gpu arrays to a different memory layout
+ */
+ class PxArrayConverter
+ {
+ public:
+ /**
+ \brief Helper function to merge two separate PxVec4 arrays into one interleaved PxVec3 array
+ \param[in] verticesD The vertices device memory buffer
+ \param[in] normalsD The normals device memory buffer
+ \param[in] length The number of vertices and normals
+ \param[out] interleavedResultBufferD The resulting interleaved buffer containing 2*length elements with the format vertex0, normal0, vertex1, normal1...
+ \param[in] stream The cuda stream on which the conversion is processed
+ */
+ virtual void interleaveGpuBuffers(const PxVec4* verticesD, const PxVec4* normalsD, PxU32 length, PxVec3* interleavedResultBufferD, CUstream stream) = 0;
+
+ /**
+ \brief Destructor
+ */
+ virtual ~PxArrayConverter() {}
+ };
+
+ #endif
+
+ #if !PX_DOXYGEN
+ } // namespace physx
+ #endif
+
+ #endif