97 lines
4.0 KiB
C++
97 lines
4.0 KiB
C++
// Filename: pvector.h
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// Created by: drose (05Jun01)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#ifndef PVECTOR_H
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#define PVECTOR_H
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#include <vector>
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#include "dtoolbase.h"
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#include "pallocator.h"
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#include "register_type.h"
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#ifndef USE_STL_ALLOCATOR
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// If we're not using custom allocators, just use the standard class
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// definition.
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#define pvector vector
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#else
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////////////////////////////////////////////////////////////////////
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// Class : pvector
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// Description : This is our own Panda specialization on the default
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// STL vector. Its main purpose is to call the hooks
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// for MemoryUsage to properly track STL-allocated
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// memory.
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////////////////////////////////////////////////////////////////////
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template<class Type>
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class pvector : public vector<Type, pallocator_array<Type> > {
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public:
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typedef pallocator_array<Type> allocator;
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typedef vector<Type, allocator> base_class;
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typedef TYPENAME base_class::size_type size_type;
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pvector(TypeHandle type_handle = pvector_type_handle) : base_class(allocator(type_handle)) { }
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pvector(const pvector<Type> ©) : base_class(copy) { }
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pvector(size_type n, TypeHandle type_handle = pvector_type_handle) : base_class(n, Type(), allocator(type_handle)) { }
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pvector(size_type n, const Type &value, TypeHandle type_handle = pvector_type_handle) : base_class(n, value, allocator(type_handle)) { }
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pvector(const Type *begin, const Type *end, TypeHandle type_handle = pvector_type_handle) : base_class(begin, end, allocator(type_handle)) { }
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};
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#endif // USE_STL_ALLOCATOR
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#if defined(HAVE_EIGEN) && defined(_WIN32) && !defined(CPPPARSER)
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#include <Eigen/StdVector>
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////////////////////////////////////////////////////////////////////
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// Class : epvector
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// Description : Unfortunately, on Windows, std::vector can't be used
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// for classes with explicitly alignment requirements,
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// due to a minor mistake in the template definition
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// (one of the vector methods receives a concrete
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// object, which the compiler flags as an error, even if
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// the method is never called).
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//
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// As a workaround, Eigen provides their own
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// specialization of vector, using their own aligned
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// allocator. We define that here as epvector, which is
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// meant to be a drop-in replacement for pvector for
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// classes that include a linmath object that requires
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// alignment. Unfortunately, this means we can't use
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// the Panda allocator, so memory allocated for this
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// vector class won't be tracked as part of Panda's
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// memory tracking system. Them's the breaks, kids.
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////////////////////////////////////////////////////////////////////
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template<class Type>
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class epvector : public vector<Type, Eigen::aligned_allocator<Type> > {
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public:
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typedef Eigen::aligned_allocator<Type> allocator;
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typedef vector<Type, allocator> base_class;
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typedef TYPENAME base_class::size_type size_type;
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epvector(TypeHandle type_handle = pvector_type_handle) : base_class(allocator()) { }
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epvector(const epvector<Type> ©) : base_class(copy) { }
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epvector(size_type n, TypeHandle type_handle = pvector_type_handle) : base_class(n, Type(), allocator()) { }
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epvector(size_type n, const Type &value, TypeHandle type_handle = pvector_type_handle) : base_class(n, value, allocator()) { }
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epvector(const Type *begin, const Type *end, TypeHandle type_handle = pvector_type_handle) : base_class(begin, end, allocator()) { }
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};
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#else // HAVE_EIGEN
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#define epvector pvector
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#endif // HAVE_EIGEN
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#endif
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