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authorchai <chaifix@163.com>2019-03-19 23:06:27 +0800
committerchai <chaifix@163.com>2019-03-19 23:06:27 +0800
commit1497dccd63a84b7ee2b229b1ad9c5c02718f2a78 (patch)
treef8d1bff50da13e126d08c7345653e002e293202d /Source/3rdParty/Box2D/Common/b2StackAllocator.cpp
parent5e2a973516e0729b225da9de0b03015dc5854ac4 (diff)
*rename
Diffstat (limited to 'Source/3rdParty/Box2D/Common/b2StackAllocator.cpp')
-rw-r--r--Source/3rdParty/Box2D/Common/b2StackAllocator.cpp83
1 files changed, 0 insertions, 83 deletions
diff --git a/Source/3rdParty/Box2D/Common/b2StackAllocator.cpp b/Source/3rdParty/Box2D/Common/b2StackAllocator.cpp
deleted file mode 100644
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--- a/Source/3rdParty/Box2D/Common/b2StackAllocator.cpp
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
-* Copyright (c) 2006-2009 Erin Catto http://www.box2d.org
-*
-* This software is provided 'as-is', without any express or implied
-* warranty. In no event will the authors be held liable for any damages
-* arising from the use of this software.
-* Permission is granted to anyone to use this software for any purpose,
-* including commercial applications, and to alter it and redistribute it
-* freely, subject to the following restrictions:
-* 1. The origin of this software must not be misrepresented; you must not
-* claim that you wrote the original software. If you use this software
-* in a product, an acknowledgment in the product documentation would be
-* appreciated but is not required.
-* 2. Altered source versions must be plainly marked as such, and must not be
-* misrepresented as being the original software.
-* 3. This notice may not be removed or altered from any source distribution.
-*/
-
-#include "Box2D/Common/b2StackAllocator.h"
-#include "Box2D/Common/b2Math.h"
-
-b2StackAllocator::b2StackAllocator()
-{
- m_index = 0;
- m_allocation = 0;
- m_maxAllocation = 0;
- m_entryCount = 0;
-}
-
-b2StackAllocator::~b2StackAllocator()
-{
- b2Assert(m_index == 0);
- b2Assert(m_entryCount == 0);
-}
-
-void* b2StackAllocator::Allocate(int32 size)
-{
- b2Assert(m_entryCount < b2_maxStackEntries);
-
- b2StackEntry* entry = m_entries + m_entryCount;
- entry->size = size;
- if (m_index + size > b2_stackSize)
- {
- entry->data = (char*)b2Alloc(size);
- entry->usedMalloc = true;
- }
- else
- {
- entry->data = m_data + m_index;
- entry->usedMalloc = false;
- m_index += size;
- }
-
- m_allocation += size;
- m_maxAllocation = b2Max(m_maxAllocation, m_allocation);
- ++m_entryCount;
-
- return entry->data;
-}
-
-void b2StackAllocator::Free(void* p)
-{
- b2Assert(m_entryCount > 0);
- b2StackEntry* entry = m_entries + m_entryCount - 1;
- b2Assert(p == entry->data);
- if (entry->usedMalloc)
- {
- b2Free(p);
- }
- else
- {
- m_index -= entry->size;
- }
- m_allocation -= entry->size;
- --m_entryCount;
-
- p = nullptr;
-}
-
-int32 b2StackAllocator::GetMaxAllocation() const
-{
- return m_maxAllocation;
-}