156 lines
3.6 KiB
C++
156 lines
3.6 KiB
C++
// This code contains NVIDIA Confidential Information and is disclosed to you
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// under a form of NVIDIA software license agreement provided separately to you.
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//
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// Notice
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// NVIDIA Corporation and its licensors retain all intellectual property and
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// proprietary rights in and to this software and related documentation and
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// any modifications thereto. Any use, reproduction, disclosure, or
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// distribution of this software and related documentation without an express
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// license agreement from NVIDIA Corporation is strictly prohibited.
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//
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// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
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// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
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// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
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// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// Information and code furnished is believed to be accurate and reliable.
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// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
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// information or for any infringement of patents or other rights of third parties that may
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// result from its use. No license is granted by implication or otherwise under any patent
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// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
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// This code supersedes and replaces all information previously supplied.
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// NVIDIA Corporation products are not authorized for use as critical
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// components in life support devices or systems without express written approval of
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// NVIDIA Corporation.
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//
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// Copyright (c) 2008-2020 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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#pragma once
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#include "NvCloth/Callbacks.h"
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namespace nv
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{
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namespace cloth
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{
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template <class T>
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struct Range
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{
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/** \brief Construct an empty range.
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*/
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Range();
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/** \brief Construct a range (array like container) using existing memory.
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Range doesn't take ownership of this memory.
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Interface works similar to std::vector.
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@param begin start of the memory
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@param end end of the memory range, point to one element past the last valid element.
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*/
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Range(T* begin, T* end);
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template <typename S>
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Range(const Range<S>& other);
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uint32_t size() const;
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bool empty() const;
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void popFront();
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void popBack();
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T* begin() const;
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T* end() const;
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T& front() const;
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T& back() const;
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T& operator[](uint32_t i) const;
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private:
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T* mBegin;
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T* mEnd; // past last element (like std::vector::end())
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};
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template <typename T>
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Range<T>::Range()
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: mBegin(0), mEnd(0)
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{
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}
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template <typename T>
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Range<T>::Range(T* begin, T* end)
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: mBegin(begin), mEnd(end)
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{
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}
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template <typename T>
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template <typename S>
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Range<T>::Range(const Range<S>& other)
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: mBegin(other.begin()), mEnd(other.end())
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{
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}
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template <typename T>
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uint32_t Range<T>::size() const
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{
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return uint32_t(mEnd - mBegin);
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}
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template <typename T>
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bool Range<T>::empty() const
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{
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return mBegin >= mEnd;
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}
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template <typename T>
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void Range<T>::popFront()
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{
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NV_CLOTH_ASSERT(mBegin < mEnd);
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++mBegin;
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}
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template <typename T>
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void Range<T>::popBack()
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{
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NV_CLOTH_ASSERT(mBegin < mEnd);
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--mEnd;
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}
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template <typename T>
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T* Range<T>::begin() const
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{
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return mBegin;
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}
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template <typename T>
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T* Range<T>::end() const
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{
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return mEnd;
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}
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template <typename T>
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T& Range<T>::front() const
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{
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NV_CLOTH_ASSERT(mBegin < mEnd);
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return *mBegin;
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}
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template <typename T>
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T& Range<T>::back() const
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{
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NV_CLOTH_ASSERT(mBegin < mEnd);
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return mEnd[-1];
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}
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template <typename T>
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T& Range<T>::operator[](uint32_t i) const
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{
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NV_CLOTH_ASSERT(mBegin + i < mEnd);
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return mBegin[i];
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}
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} // namespace cloth
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} // namespace nv
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