From 7115f60b91b5717d90f643fd692010905c7004db Mon Sep 17 00:00:00 2001 From: Bryan Galdrikian Date: Thu, 31 May 2018 11:36:08 -0700 Subject: Blast 1.1.3. See docs/release_notes.txt. --- sdk/common/NvBlastFixedBitmap.h | 272 ++++++++++++++++++++-------------------- 1 file changed, 136 insertions(+), 136 deletions(-) mode change 100644 => 100755 sdk/common/NvBlastFixedBitmap.h (limited to 'sdk/common/NvBlastFixedBitmap.h') diff --git a/sdk/common/NvBlastFixedBitmap.h b/sdk/common/NvBlastFixedBitmap.h old mode 100644 new mode 100755 index b6c00f8..122c467 --- a/sdk/common/NvBlastFixedBitmap.h +++ b/sdk/common/NvBlastFixedBitmap.h @@ -1,136 +1,136 @@ -// This code contains NVIDIA Confidential Information and is disclosed to you -// under a form of NVIDIA software license agreement provided separately to you. -// -// Notice -// NVIDIA Corporation and its licensors retain all intellectual property and -// proprietary rights in and to this software and related documentation and -// any modifications thereto. Any use, reproduction, disclosure, or -// distribution of this software and related documentation without an express -// license agreement from NVIDIA Corporation is strictly prohibited. -// -// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES -// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO -// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT, -// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE. -// -// Information and code furnished is believed to be accurate and reliable. -// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such -// information or for any infringement of patents or other rights of third parties that may -// result from its use. No license is granted by implication or otherwise under any patent -// or patent rights of NVIDIA Corporation. Details are subject to change without notice. -// This code supersedes and replaces all information previously supplied. -// NVIDIA Corporation products are not authorized for use as critical -// components in life support devices or systems without express written approval of -// NVIDIA Corporation. -// -// Copyright (c) 2016-2018 NVIDIA Corporation. All rights reserved. - - -#ifndef NVBLASTFIXEDBITMAP_H -#define NVBLASTFIXEDBITMAP_H - -#include "NvBlastAssert.h" -#include "NvBlastMemory.h" -#include - -namespace Nv -{ -namespace Blast -{ - -/*! -FixedBitmap is a bitset (bitmap) of fixed side, it's intended to be used with placement new on chunk of memory. -It'll use following memory for data layout. As follows: - -// some memory -char ​*buf = new char[64 *​ 1024]; - -const uint32_t bitsCount = 100; - -// placement new on this memory -FixedBitmap* arr = new (buf) FixedBitmap(bitsCount); - -// you can get max requiredMemorySize by an bitMap to use memory left -buf = buf + FixedBitmap::requiredMemorySize(bitsCount); - -buf: - -+------------------------------------------------------------+ -| uint32_t | word0 | word1 | word2 | ... | -+------------------------------------------------------------+ - -*/ -class FixedBitmap -{ -public: - explicit FixedBitmap(uint32_t bitsCount) - { - m_bitsCount = bitsCount; - } - - static uint32_t getWordsCount(uint32_t bitsCount) - { - return (bitsCount + 31) >> 5; - } - - static size_t requiredMemorySize(uint32_t bitsCount) - { - return align16(sizeof(FixedBitmap)) + align16(getWordsCount(bitsCount) * sizeof(uint32_t)); - } - - void clear() - { - memset(data(), 0, getWordsCount(m_bitsCount) * sizeof(uint32_t)); - } - - void fill() - { - const uint32_t wordCount = getWordsCount(m_bitsCount); - uint32_t* mem = data(); - memset(mem, 0xFF, wordCount * sizeof(uint32_t)); - const uint32_t bitsRemainder = m_bitsCount & 31; - if (bitsRemainder > 0) - { - mem[wordCount - 1] &= ~(0xFFFFFFFF << bitsRemainder); - } - } - - int test(uint32_t index) const - { - NVBLAST_ASSERT(index < m_bitsCount); - return data()[index >> 5] & (1 << (index & 31)); - } - - void set(uint32_t index) - { - NVBLAST_ASSERT(index < m_bitsCount); - data()[index >> 5] |= 1 << (index & 31); - } - - void reset(uint32_t index) - { - NVBLAST_ASSERT(index < m_bitsCount); - data()[index >> 5] &= ~(1 << (index & 31)); - } - -private: - uint32_t m_bitsCount; - - NV_FORCE_INLINE uint32_t* data() - { - return (uint32_t*)((char*)this + sizeof(FixedBitmap)); - } - - NV_FORCE_INLINE const uint32_t* data() const - { - return (uint32_t*)((char*)this + sizeof(FixedBitmap)); - } - -private: - FixedBitmap(const FixedBitmap& that); -}; - -} // namespace Blast -} // namespace Nv - -#endif // ifndef NVBLASTFIXEDBITMAP_H +// This code contains NVIDIA Confidential Information and is disclosed to you +// under a form of NVIDIA software license agreement provided separately to you. +// +// Notice +// NVIDIA Corporation and its licensors retain all intellectual property and +// proprietary rights in and to this software and related documentation and +// any modifications thereto. Any use, reproduction, disclosure, or +// distribution of this software and related documentation without an express +// license agreement from NVIDIA Corporation is strictly prohibited. +// +// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES +// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO +// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT, +// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE. +// +// Information and code furnished is believed to be accurate and reliable. +// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such +// information or for any infringement of patents or other rights of third parties that may +// result from its use. No license is granted by implication or otherwise under any patent +// or patent rights of NVIDIA Corporation. Details are subject to change without notice. +// This code supersedes and replaces all information previously supplied. +// NVIDIA Corporation products are not authorized for use as critical +// components in life support devices or systems without express written approval of +// NVIDIA Corporation. +// +// Copyright (c) 2016-2018 NVIDIA Corporation. All rights reserved. + + +#ifndef NVBLASTFIXEDBITMAP_H +#define NVBLASTFIXEDBITMAP_H + +#include "NvBlastAssert.h" +#include "NvBlastMemory.h" +#include + +namespace Nv +{ +namespace Blast +{ + +/*! +FixedBitmap is a bitset (bitmap) of fixed side, it's intended to be used with placement new on chunk of memory. +It'll use following memory for data layout. As follows: + +// some memory +char ​*buf = new char[64 *​ 1024]; + +const uint32_t bitsCount = 100; + +// placement new on this memory +FixedBitmap* arr = new (buf) FixedBitmap(bitsCount); + +// you can get max requiredMemorySize by an bitMap to use memory left +buf = buf + FixedBitmap::requiredMemorySize(bitsCount); + +buf: + ++------------------------------------------------------------+ +| uint32_t | word0 | word1 | word2 | ... | ++------------------------------------------------------------+ + +*/ +class FixedBitmap +{ +public: + explicit FixedBitmap(uint32_t bitsCount) + { + m_bitsCount = bitsCount; + } + + static uint32_t getWordsCount(uint32_t bitsCount) + { + return (bitsCount + 31) >> 5; + } + + static size_t requiredMemorySize(uint32_t bitsCount) + { + return align16(sizeof(FixedBitmap)) + align16(getWordsCount(bitsCount) * sizeof(uint32_t)); + } + + void clear() + { + memset(data(), 0, getWordsCount(m_bitsCount) * sizeof(uint32_t)); + } + + void fill() + { + const uint32_t wordCount = getWordsCount(m_bitsCount); + uint32_t* mem = data(); + memset(mem, 0xFF, wordCount * sizeof(uint32_t)); + const uint32_t bitsRemainder = m_bitsCount & 31; + if (bitsRemainder > 0) + { + mem[wordCount - 1] &= ~(0xFFFFFFFF << bitsRemainder); + } + } + + int test(uint32_t index) const + { + NVBLAST_ASSERT(index < m_bitsCount); + return data()[index >> 5] & (1 << (index & 31)); + } + + void set(uint32_t index) + { + NVBLAST_ASSERT(index < m_bitsCount); + data()[index >> 5] |= 1 << (index & 31); + } + + void reset(uint32_t index) + { + NVBLAST_ASSERT(index < m_bitsCount); + data()[index >> 5] &= ~(1 << (index & 31)); + } + +private: + uint32_t m_bitsCount; + + NV_FORCE_INLINE uint32_t* data() + { + return (uint32_t*)((char*)this + sizeof(FixedBitmap)); + } + + NV_FORCE_INLINE const uint32_t* data() const + { + return (uint32_t*)((char*)this + sizeof(FixedBitmap)); + } + +private: + FixedBitmap(const FixedBitmap& that); +}; + +} // namespace Blast +} // namespace Nv + +#endif // ifndef NVBLASTFIXEDBITMAP_H -- cgit v1.2.3