377 lines
14 KiB
C++
377 lines
14 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) 2008-2019 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 PXFOUNDATION_PXFLAGS_H
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#define PXFOUNDATION_PXFLAGS_H
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/** \addtogroup foundation
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@{
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*/
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#include "foundation/Px.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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/**
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\brief Container for bitfield flag variables associated with a specific enum type.
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This allows for type safe manipulation for bitfields.
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<h3>Example</h3>
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// enum that defines each bit...
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struct MyEnum
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{
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enum Enum
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{
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eMAN = 1,
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eBEAR = 2,
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ePIG = 4,
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};
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};
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// implements some convenient global operators.
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PX_FLAGS_OPERATORS(MyEnum::Enum, uint8_t);
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PxFlags<MyEnum::Enum, uint8_t> myFlags;
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myFlags |= MyEnum::eMAN;
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myFlags |= MyEnum::eBEAR | MyEnum::ePIG;
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if(myFlags & MyEnum::eBEAR)
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{
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doSomething();
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}
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*/
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template <typename enumtype, typename storagetype = uint32_t>
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class PxFlags
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{
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public:
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typedef storagetype InternalType;
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PX_CUDA_CALLABLE PX_INLINE explicit PxFlags(const PxEMPTY)
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{
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}
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PX_CUDA_CALLABLE PX_INLINE PxFlags(void);
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PX_CUDA_CALLABLE PX_INLINE PxFlags(enumtype e);
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PX_CUDA_CALLABLE PX_INLINE PxFlags(const PxFlags<enumtype, storagetype>& f);
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PX_CUDA_CALLABLE PX_INLINE explicit PxFlags(storagetype b);
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PX_CUDA_CALLABLE PX_INLINE bool isSet(enumtype e) const;
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& set(enumtype e);
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PX_CUDA_CALLABLE PX_INLINE bool operator==(enumtype e) const;
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PX_CUDA_CALLABLE PX_INLINE bool operator==(const PxFlags<enumtype, storagetype>& f) const;
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PX_CUDA_CALLABLE PX_INLINE bool operator==(bool b) const;
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PX_CUDA_CALLABLE PX_INLINE bool operator!=(enumtype e) const;
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PX_CUDA_CALLABLE PX_INLINE bool operator!=(const PxFlags<enumtype, storagetype>& f) const;
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& operator=(const PxFlags<enumtype, storagetype>& f);
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& operator=(enumtype e);
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& operator|=(enumtype e);
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& operator|=(const PxFlags<enumtype, storagetype>& f);
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> operator|(enumtype e) const;
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> operator|(const PxFlags<enumtype, storagetype>& f) const;
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& operator&=(enumtype e);
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& operator&=(const PxFlags<enumtype, storagetype>& f);
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> operator&(enumtype e) const;
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> operator&(const PxFlags<enumtype, storagetype>& f) const;
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& operator^=(enumtype e);
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& operator^=(const PxFlags<enumtype, storagetype>& f);
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> operator^(enumtype e) const;
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> operator^(const PxFlags<enumtype, storagetype>& f) const;
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> operator~(void) const;
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PX_CUDA_CALLABLE PX_INLINE operator bool(void) const;
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PX_CUDA_CALLABLE PX_INLINE operator uint8_t(void) const;
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PX_CUDA_CALLABLE PX_INLINE operator uint16_t(void) const;
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PX_CUDA_CALLABLE PX_INLINE operator uint32_t(void) const;
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PX_CUDA_CALLABLE PX_INLINE void clear(enumtype e);
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public:
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friend PX_INLINE PxFlags<enumtype, storagetype> operator&(enumtype a, PxFlags<enumtype, storagetype>& b)
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{
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PxFlags<enumtype, storagetype> out;
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out.mBits = a & b.mBits;
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return out;
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}
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private:
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storagetype mBits;
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};
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#if !PX_DOXYGEN
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#define PX_FLAGS_OPERATORS(enumtype, storagetype) \
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> operator|(enumtype a, enumtype b) \
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{ \
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PxFlags<enumtype, storagetype> r(a); \
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r |= b; \
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return r; \
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} \
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> operator&(enumtype a, enumtype b) \
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{ \
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PxFlags<enumtype, storagetype> r(a); \
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r &= b; \
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return r; \
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} \
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> operator~(enumtype a) \
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{ \
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return ~PxFlags<enumtype, storagetype>(a); \
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}
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#define PX_FLAGS_TYPEDEF(x, y) \
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typedef PxFlags<x::Enum, y> x##s; \
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PX_FLAGS_OPERATORS(x::Enum, y)
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>::PxFlags(void)
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{
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mBits = 0;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>::PxFlags(enumtype e)
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{
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mBits = static_cast<storagetype>(e);
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>::PxFlags(const PxFlags<enumtype, storagetype>& f)
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{
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mBits = f.mBits;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>::PxFlags(storagetype b)
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{
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mBits = b;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE bool PxFlags<enumtype, storagetype>::isSet(enumtype e) const
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{
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return (mBits & static_cast<storagetype>(e)) == static_cast<storagetype>(e);
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& PxFlags<enumtype, storagetype>::set(enumtype e)
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{
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mBits = static_cast<storagetype>(e);
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return *this;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE bool PxFlags<enumtype, storagetype>::operator==(enumtype e) const
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{
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return mBits == static_cast<storagetype>(e);
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE bool PxFlags<enumtype, storagetype>::operator==(const PxFlags<enumtype, storagetype>& f) const
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{
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return mBits == f.mBits;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE bool PxFlags<enumtype, storagetype>::operator==(bool b) const
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{
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return bool(*this) == b;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE bool PxFlags<enumtype, storagetype>::operator!=(enumtype e) const
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{
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return mBits != static_cast<storagetype>(e);
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE bool PxFlags<enumtype, storagetype>::operator!=(const PxFlags<enumtype, storagetype>& f) const
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{
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return mBits != f.mBits;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& PxFlags<enumtype, storagetype>::operator=(enumtype e)
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{
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mBits = static_cast<storagetype>(e);
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return *this;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& PxFlags<enumtype, storagetype>::operator=(const PxFlags<enumtype, storagetype>& f)
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{
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mBits = f.mBits;
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return *this;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& PxFlags<enumtype, storagetype>::operator|=(enumtype e)
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{
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mBits |= static_cast<storagetype>(e);
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return *this;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& PxFlags<enumtype, storagetype>::
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operator|=(const PxFlags<enumtype, storagetype>& f)
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{
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mBits |= f.mBits;
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return *this;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> PxFlags<enumtype, storagetype>::operator|(enumtype e) const
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{
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PxFlags<enumtype, storagetype> out(*this);
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out |= e;
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return out;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> PxFlags<enumtype, storagetype>::
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operator|(const PxFlags<enumtype, storagetype>& f) const
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{
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PxFlags<enumtype, storagetype> out(*this);
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out |= f;
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return out;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& PxFlags<enumtype, storagetype>::operator&=(enumtype e)
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{
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mBits &= static_cast<storagetype>(e);
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return *this;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& PxFlags<enumtype, storagetype>::
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operator&=(const PxFlags<enumtype, storagetype>& f)
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{
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mBits &= f.mBits;
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return *this;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> PxFlags<enumtype, storagetype>::operator&(enumtype e) const
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{
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PxFlags<enumtype, storagetype> out = *this;
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out.mBits &= static_cast<storagetype>(e);
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return out;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> PxFlags<enumtype, storagetype>::
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operator&(const PxFlags<enumtype, storagetype>& f) const
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{
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PxFlags<enumtype, storagetype> out = *this;
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out.mBits &= f.mBits;
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return out;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& PxFlags<enumtype, storagetype>::operator^=(enumtype e)
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{
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mBits ^= static_cast<storagetype>(e);
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return *this;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>& PxFlags<enumtype, storagetype>::
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operator^=(const PxFlags<enumtype, storagetype>& f)
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{
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mBits ^= f.mBits;
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return *this;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> PxFlags<enumtype, storagetype>::operator^(enumtype e) const
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{
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PxFlags<enumtype, storagetype> out = *this;
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out.mBits ^= static_cast<storagetype>(e);
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return out;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> PxFlags<enumtype, storagetype>::
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operator^(const PxFlags<enumtype, storagetype>& f) const
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{
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PxFlags<enumtype, storagetype> out = *this;
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out.mBits ^= f.mBits;
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return out;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype> PxFlags<enumtype, storagetype>::operator~(void) const
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{
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PxFlags<enumtype, storagetype> out;
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out.mBits = storagetype(~mBits);
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return out;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>::operator bool(void) const
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{
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return mBits ? true : false;
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>::operator uint8_t(void) const
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{
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return static_cast<uint8_t>(mBits);
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>::operator uint16_t(void) const
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{
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return static_cast<uint16_t>(mBits);
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE PxFlags<enumtype, storagetype>::operator uint32_t(void) const
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{
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return static_cast<uint32_t>(mBits);
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}
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template <typename enumtype, typename storagetype>
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PX_CUDA_CALLABLE PX_INLINE void PxFlags<enumtype, storagetype>::clear(enumtype e)
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{
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mBits &= ~static_cast<storagetype>(e);
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}
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} // namespace physx
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#endif //!PX_DOXYGEN
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/** @} */
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#endif // #ifndef PXFOUNDATION_PXFLAGS_H
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