diff options
| author | Bryan Galdrikian <[email protected]> | 2018-05-31 11:36:08 -0700 |
|---|---|---|
| committer | Bryan Galdrikian <[email protected]> | 2018-05-31 11:36:08 -0700 |
| commit | 7115f60b91b5717d90f643fd692010905c7004db (patch) | |
| tree | effd68c6978751c517d54c2f2bb5bb6e7dc93e18 /sdk/common/NvBlastFixedBitmap.h | |
| parent | Updating BlastTool zip (diff) | |
| download | blast-1.1.3_rc1.tar.xz blast-1.1.3_rc1.zip | |
Blast 1.1.3. See docs/release_notes.txt.v1.1.3_rc1
Diffstat (limited to 'sdk/common/NvBlastFixedBitmap.h')
| -rwxr-xr-x[-rw-r--r--] | sdk/common/NvBlastFixedBitmap.h | 272 |
1 files changed, 136 insertions, 136 deletions
diff --git a/sdk/common/NvBlastFixedBitmap.h b/sdk/common/NvBlastFixedBitmap.h index b6c00f8..122c467 100644..100755 --- 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 <cstring> - -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<SomeClass>::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 <cstring>
+
+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<SomeClass>::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
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