diff options
Diffstat (limited to 'sdk/common/NvBlastFixedArray.h')
| -rwxr-xr-x[-rw-r--r--] | sdk/common/NvBlastFixedArray.h | 292 |
1 files changed, 146 insertions, 146 deletions
diff --git a/sdk/common/NvBlastFixedArray.h b/sdk/common/NvBlastFixedArray.h index cfe5ebe..c23ce5a 100644..100755 --- a/sdk/common/NvBlastFixedArray.h +++ b/sdk/common/NvBlastFixedArray.h @@ -1,146 +1,146 @@ -// 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 NVBLASTFIXEDARRAY_H -#define NVBLASTFIXEDARRAY_H - -#include "NvBlastAssert.h" -#include "NvBlastMemory.h" - -namespace Nv -{ -namespace Blast -{ - -/*! -FixedArray is a sequential container which is 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]; - -// placement new on this memory -FixedArray<SomeClass>* arr = new (buf) FixedArray<SomeClass>(); - -// you can get max requiredMemorySize by an array of 'capacity' elements count to use memory left -buf = buf + FixedArray<SomeClass>::requiredMemorySize(capacity); - -buf: - -+------------------------------------------------------------+ -| uint32_t | T[0] | T[1] | T[2] | ... | -+------------------------------------------------------------+ - - -!!!TODO: -- check ctor/dtor of elements calls -*/ -template <class T> -class FixedArray -{ -public: - explicit FixedArray() : m_size(0) - { - } - - static size_t requiredMemorySize(uint32_t capacity) - { - return align16(sizeof(FixedArray<T>)) + align16(capacity * sizeof(T)); - } - - NV_FORCE_INLINE T& pushBack(T& t) - { - new (data() + m_size) T(t); - return data()[m_size++]; - } - - T popBack() - { - NVBLAST_ASSERT(m_size); - T t = data()[m_size - 1]; - data()[--m_size].~T(); - return t; - } - - void clear() - { - for(T* first = data(); first < data() + m_size; ++first) - first->~T(); - m_size = 0; - } - - NV_FORCE_INLINE void forceSize_Unsafe(uint32_t s) - { - m_size = s; - } - - NV_FORCE_INLINE T& operator[](uint32_t idx) - { - NVBLAST_ASSERT(idx < m_size); - return data()[idx]; - } - - NV_FORCE_INLINE const T& operator[](uint32_t idx) const - { - NVBLAST_ASSERT(idx < m_size); - return data()[idx]; - } - - NV_FORCE_INLINE T& at(uint32_t idx) - { - NVBLAST_ASSERT(idx < m_size); - return data()[idx]; - } - - NV_FORCE_INLINE const T& at(uint32_t idx) const - { - NVBLAST_ASSERT(idx < m_size); - return data()[idx]; - } - - NV_FORCE_INLINE uint32_t size() const - { - return m_size; - } - -private: - uint32_t m_size; - - NV_FORCE_INLINE T* data() - { - return (T*)((char*)this + sizeof(FixedArray<T>)); - } - -private: - FixedArray(const FixedArray& that); -}; - -} // namespace Blast -} // namespace Nv - -#endif // ifndef NVBLASTFIXEDARRAY_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 NVBLASTFIXEDARRAY_H
+#define NVBLASTFIXEDARRAY_H
+
+#include "NvBlastAssert.h"
+#include "NvBlastMemory.h"
+
+namespace Nv
+{
+namespace Blast
+{
+
+/*!
+FixedArray is a sequential container which is 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];
+
+// placement new on this memory
+FixedArray<SomeClass>* arr = new (buf) FixedArray<SomeClass>();
+
+// you can get max requiredMemorySize by an array of 'capacity' elements count to use memory left
+buf = buf + FixedArray<SomeClass>::requiredMemorySize(capacity);
+
+buf:
+
++------------------------------------------------------------+
+| uint32_t | T[0] | T[1] | T[2] | ... |
++------------------------------------------------------------+
+
+
+!!!TODO:
+- check ctor/dtor of elements calls
+*/
+template <class T>
+class FixedArray
+{
+public:
+ explicit FixedArray() : m_size(0)
+ {
+ }
+
+ static size_t requiredMemorySize(uint32_t capacity)
+ {
+ return align16(sizeof(FixedArray<T>)) + align16(capacity * sizeof(T));
+ }
+
+ NV_FORCE_INLINE T& pushBack(T& t)
+ {
+ new (data() + m_size) T(t);
+ return data()[m_size++];
+ }
+
+ T popBack()
+ {
+ NVBLAST_ASSERT(m_size);
+ T t = data()[m_size - 1];
+ data()[--m_size].~T();
+ return t;
+ }
+
+ void clear()
+ {
+ for(T* first = data(); first < data() + m_size; ++first)
+ first->~T();
+ m_size = 0;
+ }
+
+ NV_FORCE_INLINE void forceSize_Unsafe(uint32_t s)
+ {
+ m_size = s;
+ }
+
+ NV_FORCE_INLINE T& operator[](uint32_t idx)
+ {
+ NVBLAST_ASSERT(idx < m_size);
+ return data()[idx];
+ }
+
+ NV_FORCE_INLINE const T& operator[](uint32_t idx) const
+ {
+ NVBLAST_ASSERT(idx < m_size);
+ return data()[idx];
+ }
+
+ NV_FORCE_INLINE T& at(uint32_t idx)
+ {
+ NVBLAST_ASSERT(idx < m_size);
+ return data()[idx];
+ }
+
+ NV_FORCE_INLINE const T& at(uint32_t idx) const
+ {
+ NVBLAST_ASSERT(idx < m_size);
+ return data()[idx];
+ }
+
+ NV_FORCE_INLINE uint32_t size() const
+ {
+ return m_size;
+ }
+
+private:
+ uint32_t m_size;
+
+ NV_FORCE_INLINE T* data()
+ {
+ return (T*)((char*)this + sizeof(FixedArray<T>));
+ }
+
+private:
+ FixedArray(const FixedArray& that);
+};
+
+} // namespace Blast
+} // namespace Nv
+
+#endif // ifndef NVBLASTFIXEDARRAY_H
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