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Open Source Computer Vision Library
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97 lines
3.4 KiB
97 lines
3.4 KiB
/* |
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* By downloading, copying, installing or using the software you agree to this license. |
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* If you do not agree to this license, do not download, install, |
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* copy or use the software. |
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* |
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* |
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* License Agreement |
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* For Open Source Computer Vision Library |
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* (3-clause BSD License) |
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* |
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* Copyright (C) 2014-2015, NVIDIA Corporation, all rights reserved. |
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* Third party copyrights are property of their respective owners. |
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* |
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* Redistribution and use in source and binary forms, with or without modification, |
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* are permitted provided that the following conditions are met: |
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* |
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* * Redistributions of source code must retain the above copyright notice, |
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* this list of conditions and the following disclaimer. |
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* |
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* * Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* |
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* * Neither the names of the copyright holders nor the names of the contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* This software is provided by the copyright holders and contributors "as is" and |
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* any express or implied warranties, including, but not limited to, the implied |
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* warranties of merchantability and fitness for a particular purpose are disclaimed. |
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* In no event shall copyright holders or contributors be liable for any direct, |
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* indirect, incidental, special, exemplary, or consequential damages |
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* (including, but not limited to, procurement of substitute goods or services; |
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* loss of use, data, or profits; or business interruption) however caused |
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* and on any theory of liability, whether in contract, strict liability, |
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* or tort (including negligence or otherwise) arising in any way out of |
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* the use of this software, even if advised of the possibility of such damage. |
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*/ |
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#ifndef CAROTENE_SRC_COMMON_HPP |
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#define CAROTENE_SRC_COMMON_HPP |
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#include <cstddef> |
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#include <cstdlib> |
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#include <algorithm> |
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#if defined WITH_NEON && (defined __ARM_NEON__ || defined __ARM_NEON) |
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#define CAROTENE_NEON |
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#endif |
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#ifdef CAROTENE_NEON |
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#include <arm_neon.h> |
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#include "intrinsics.hpp" |
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#endif |
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#include <carotene/functions.hpp> |
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#include "saturate_cast.hpp" |
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namespace CAROTENE_NS { namespace internal { |
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inline void prefetch(const void *ptr, size_t offset = 32*10) |
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{ |
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#if defined __GNUC__ |
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__builtin_prefetch(reinterpret_cast<const char*>(ptr) + offset); |
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#elif defined _MSC_VER && defined CAROTENE_NEON |
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__prefetch(reinterpret_cast<const char*>(ptr) + offset); |
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#else |
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(void)ptr; |
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(void)offset; |
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#endif |
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} |
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template <typename T> |
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inline T *getRowPtr(T *base, ptrdiff_t stride, size_t row) |
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{ |
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char *baseRaw = const_cast<char *>(reinterpret_cast<const char *>(base)); |
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return reinterpret_cast<T *>(baseRaw + ptrdiff_t(row) * stride); |
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} |
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void assertSupportedConfiguration(bool parametersSupported = true); |
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ptrdiff_t borderInterpolate(ptrdiff_t _p, size_t _len, BORDER_MODE borderType, size_t startMargin = 0, size_t endMargin = 0); |
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/*! |
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* Aligns pointer by the certain number of bytes |
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* |
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* This small inline function aligns the pointer by the certain number of bytes by shifting |
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* it forward by 0 or a positive offset. |
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*/ |
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template<typename T> inline T* alignPtr(T* ptr, size_t n=sizeof(T)) |
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{ |
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return (T*)(((size_t)ptr + n-1) & -n); |
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} |
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}} |
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#endif
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